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int64 0
731k
| package
stringlengths 2
98
⌀ | name
stringlengths 1
76
| docstring
stringlengths 0
281k
⌀ | code
stringlengths 4
1.07M
⌀ | signature
stringlengths 2
42.8k
⌀ |
|---|---|---|---|---|---|
9,235 | dagster._core.launcher.base | join | null | def join(self, timeout: int = 30) -> None:
pass
| (self, timeout: int = 30) -> NoneType |
9,236 | dagster_docker.docker_run_launcher | launch_run | null | def launch_run(self, context: LaunchRunContext) -> None:
run = context.dagster_run
job_code_origin = check.not_none(context.job_code_origin)
docker_image = self._get_docker_image(job_code_origin)
command = ExecuteRunArgs(
job_origin=job_code_origin,
run_id=run.run_id,
instance_ref=self._instance.get_ref(),
).get_command_args()
self._launch_container_with_command(run, docker_image, command)
| (self, context: dagster._core.launcher.base.LaunchRunContext) -> NoneType |
9,237 | dagster._core.instance | register_instance | null | def register_instance(self, instance: T_DagsterInstance) -> None:
check.invariant(
(
# Backcompat with custom subclasses that don't call super().__init__()
# in their own __init__ implementations
not hasattr(self, "_instance_weakref") or self._instance_weakref is None
),
"Must only call initialize once",
)
# Store a weakref to avoid a circular reference / enable GC
self._instance_weakref = weakref.ref(instance)
| (self, instance: ~T_DagsterInstance) -> NoneType |
9,238 | dagster_docker.docker_run_launcher | resume_run | null | def resume_run(self, context: ResumeRunContext) -> None:
run = context.dagster_run
job_code_origin = check.not_none(context.job_code_origin)
docker_image = self._get_docker_image(job_code_origin)
command = ResumeRunArgs(
job_origin=job_code_origin,
run_id=run.run_id,
instance_ref=self._instance.get_ref(),
).get_command_args()
self._launch_container_with_command(run, docker_image, command)
| (self, context: dagster._core.launcher.base.ResumeRunContext) -> NoneType |
9,239 | dagster_docker.docker_run_launcher | terminate | null | def terminate(self, run_id):
run = self._instance.get_run_by_id(run_id)
if not run:
return False
self._instance.report_run_canceling(run)
container = self._get_container(run)
if not container:
self._instance.report_engine_event(
message="Unable to get docker container to send termination request to.",
dagster_run=run,
cls=self.__class__,
)
return False
container.stop()
return True
| (self, run_id) |
9,240 | dagster_docker.pipes | PipesDockerLogsMessageReader | null | class PipesDockerLogsMessageReader(PipesMessageReader):
@contextmanager
def read_messages(
self,
handler: PipesMessageHandler,
) -> Iterator[PipesParams]:
self._handler = handler
try:
yield {PipesDefaultMessageWriter.STDIO_KEY: PipesDefaultMessageWriter.STDERR}
finally:
self._handler = None
def consume_docker_logs(self, container) -> None:
handler = check.not_none(
self._handler, "Can only consume logs within context manager scope."
)
for log_line in container.logs(stdout=True, stderr=True, stream=True, follow=True):
if isinstance(log_line, bytes):
log_entry = log_line.decode("utf-8")
elif isinstance(log_line, str):
log_entry = log_line
else:
continue
extract_message_or_forward_to_stdout(handler, log_entry)
def no_messages_debug_text(self) -> str:
return "Attempted to read messages by extracting them from docker logs directly."
| (*args, **kwargs) |
9,241 | dagster._core.decorator_utils | __init__ | Initialize self. See help(type(self)) for accurate signature. | def _wrap_with_pre_call_fn(
fn: T_Callable,
pre_call_fn: Callable[[], None],
condition: Optional[Callable[..., bool]] = None,
) -> T_Callable:
@functools.wraps(fn)
def wrapped_with_pre_call_fn(*args, **kwargs):
if condition is None or condition(*args, **kwargs):
pre_call_fn()
return fn(*args, **kwargs)
return cast(T_Callable, wrapped_with_pre_call_fn)
| (self, /, *args, **kwargs) |
9,242 | dagster_docker.pipes | consume_docker_logs | null | def consume_docker_logs(self, container) -> None:
handler = check.not_none(
self._handler, "Can only consume logs within context manager scope."
)
for log_line in container.logs(stdout=True, stderr=True, stream=True, follow=True):
if isinstance(log_line, bytes):
log_entry = log_line.decode("utf-8")
elif isinstance(log_line, str):
log_entry = log_line
else:
continue
extract_message_or_forward_to_stdout(handler, log_entry)
| (self, container) -> NoneType |
9,243 | dagster_docker.pipes | no_messages_debug_text | null | def no_messages_debug_text(self) -> str:
return "Attempted to read messages by extracting them from docker logs directly."
| (self) -> str |
9,244 | dagster._core.pipes.client | on_opened | Hook called when the external process has successfully launched and returned an opened
payload.
By default this is a no-op. Specific message readers can override this to action information
that can only be obtained from the external process.
| def on_opened(self, opened_payload: PipesOpenedData) -> None:
"""Hook called when the external process has successfully launched and returned an opened
payload.
By default this is a no-op. Specific message readers can override this to action information
that can only be obtained from the external process.
"""
| (self, opened_payload: dagster_pipes.PipesOpenedData) -> NoneType |
9,248 | dagster_docker.ops.docker_container_op | execute_docker_container | This function is a utility for executing a Docker container from within a Dagster op.
Args:
image (str): The image to use for the launched Docker container.
entrypoint (Optional[Sequence[str]]): The ENTRYPOINT to run in the launched Docker
container. Default: None.
command (Optional[Sequence[str]]): The CMD to run in the launched Docker container.
Default: None.
networks (Optional[Sequence[str]]): Names of the Docker networks to which to connect the
launched container. Default: None.
registry: (Optional[Mapping[str, str]]): Information for using a non local/public Docker
registry. Can have "url", "username", or "password" keys.
env_vars (Optional[Sequence[str]]): List of environemnt variables to include in the launched
container. ach can be of the form KEY=VALUE or just KEY (in which case the value will be
pulled from the calling environment.
container_kwargs (Optional[Dict[str[Any]]]): key-value pairs that can be passed into
containers.create in the Docker Python API. See
https://docker-py.readthedocs.io/en/stable/containers.html for the full list
of available options.
| null | (context: dagster._core.execution.context.compute.OpExecutionContext, image: str, entrypoint: Optional[Sequence[str]] = None, command: Optional[Sequence[str]] = None, networks: Optional[Sequence[str]] = None, registry: Optional[Mapping[str, str]] = None, env_vars: Optional[Sequence[str]] = None, container_kwargs: Optional[Mapping[str, Any]] = None) |
9,253 | asyncclick.exceptions | Abort | An internal signalling exception that signals Click to abort. | class Abort(RuntimeError):
"""An internal signalling exception that signals Click to abort."""
| null |
9,254 | asyncclick.core | Argument | Arguments are positional parameters to a command. They generally
provide fewer features than options but can have infinite ``nargs``
and are required by default.
All parameters are passed onwards to the constructor of :class:`Parameter`.
| class Argument(Parameter):
"""Arguments are positional parameters to a command. They generally
provide fewer features than options but can have infinite ``nargs``
and are required by default.
All parameters are passed onwards to the constructor of :class:`Parameter`.
"""
param_type_name = "argument"
def __init__(
self,
param_decls: t.Sequence[str],
required: t.Optional[bool] = None,
**attrs: t.Any,
) -> None:
if required is None:
if attrs.get("default") is not None:
required = False
else:
required = attrs.get("nargs", 1) > 0
if "multiple" in attrs:
raise TypeError("__init__() got an unexpected keyword argument 'multiple'.")
super().__init__(param_decls, required=required, **attrs)
if __debug__:
if self.default is not None and self.nargs == -1:
raise TypeError("'default' is not supported for nargs=-1.")
@property
def human_readable_name(self) -> str:
if self.metavar is not None:
return self.metavar
return self.name.upper() # type: ignore
def make_metavar(self) -> str:
if self.metavar is not None:
return self.metavar
var = self.type.get_metavar(self)
if not var:
var = self.name.upper() # type: ignore
if not self.required:
var = f"[{var}]"
if self.nargs != 1:
var += "..."
return var
def _parse_decls(
self, decls: t.Sequence[str], expose_value: bool
) -> t.Tuple[t.Optional[str], t.List[str], t.List[str]]:
if not decls:
if not expose_value:
return None, [], []
raise TypeError("Could not determine name for argument")
if len(decls) == 1:
name = arg = decls[0]
name = name.replace("-", "_").lower()
else:
raise TypeError(
"Arguments take exactly one parameter declaration, got"
f" {len(decls)}."
)
return name, [arg], []
def get_usage_pieces(self, ctx: Context) -> t.List[str]:
return [self.make_metavar()]
def get_error_hint(self, ctx: Context) -> str:
return f"'{self.make_metavar()}'"
def add_to_parser(self, parser: OptionParser, ctx: Context) -> None:
parser.add_argument(dest=self.name, nargs=self.nargs, obj=self)
| (param_decls: Sequence[str], required: Optional[bool] = None, **attrs: Any) -> None |
9,255 | asyncclick.core | __init__ | null | def __init__(
self,
param_decls: t.Sequence[str],
required: t.Optional[bool] = None,
**attrs: t.Any,
) -> None:
if required is None:
if attrs.get("default") is not None:
required = False
else:
required = attrs.get("nargs", 1) > 0
if "multiple" in attrs:
raise TypeError("__init__() got an unexpected keyword argument 'multiple'.")
super().__init__(param_decls, required=required, **attrs)
if __debug__:
if self.default is not None and self.nargs == -1:
raise TypeError("'default' is not supported for nargs=-1.")
| (self, param_decls: Sequence[str], required: Optional[bool] = None, **attrs: Any) -> NoneType |
9,256 | asyncclick.core | __repr__ | null | def __repr__(self) -> str:
return f"<{self.__class__.__name__} {self.name}>"
| (self) -> str |
9,257 | asyncclick.core | _parse_decls | null | def _parse_decls(
self, decls: t.Sequence[str], expose_value: bool
) -> t.Tuple[t.Optional[str], t.List[str], t.List[str]]:
if not decls:
if not expose_value:
return None, [], []
raise TypeError("Could not determine name for argument")
if len(decls) == 1:
name = arg = decls[0]
name = name.replace("-", "_").lower()
else:
raise TypeError(
"Arguments take exactly one parameter declaration, got"
f" {len(decls)}."
)
return name, [arg], []
| (self, decls: Sequence[str], expose_value: bool) -> Tuple[Optional[str], List[str], List[str]] |
9,258 | asyncclick.core | add_to_parser | null | def add_to_parser(self, parser: OptionParser, ctx: Context) -> None:
parser.add_argument(dest=self.name, nargs=self.nargs, obj=self)
| (self, parser: asyncclick.parser.OptionParser, ctx: asyncclick.core.Context) -> NoneType |
9,259 | asyncclick.core | consume_value | null | def consume_value(
self, ctx: Context, opts: t.Mapping[str, t.Any]
) -> t.Tuple[t.Any, ParameterSource]:
value = opts.get(self.name) # type: ignore
source = ParameterSource.COMMANDLINE
if value is None:
value = self.value_from_envvar(ctx)
source = ParameterSource.ENVIRONMENT
if value is None:
value = ctx.lookup_default(self.name) # type: ignore
source = ParameterSource.DEFAULT_MAP
if value is None:
value = self.get_default(ctx)
source = ParameterSource.DEFAULT
return value, source
| (self, ctx: asyncclick.core.Context, opts: Mapping[str, Any]) -> Tuple[Any, asyncclick.core.ParameterSource] |
9,260 | asyncclick.core | get_default | Get the default for the parameter. Tries
:meth:`Context.lookup_default` first, then the local default.
:param ctx: Current context.
:param call: If the default is a callable, call it. Disable to
return the callable instead.
.. versionchanged:: 8.0.2
Type casting is no longer performed when getting a default.
.. versionchanged:: 8.0.1
Type casting can fail in resilient parsing mode. Invalid
defaults will not prevent showing help text.
.. versionchanged:: 8.0
Looks at ``ctx.default_map`` first.
.. versionchanged:: 8.0
Added the ``call`` parameter.
| def get_default(
self, ctx: Context, call: bool = True
) -> t.Optional[t.Union[t.Any, t.Callable[[], t.Any]]]:
"""Get the default for the parameter. Tries
:meth:`Context.lookup_default` first, then the local default.
:param ctx: Current context.
:param call: If the default is a callable, call it. Disable to
return the callable instead.
.. versionchanged:: 8.0.2
Type casting is no longer performed when getting a default.
.. versionchanged:: 8.0.1
Type casting can fail in resilient parsing mode. Invalid
defaults will not prevent showing help text.
.. versionchanged:: 8.0
Looks at ``ctx.default_map`` first.
.. versionchanged:: 8.0
Added the ``call`` parameter.
"""
value = ctx.lookup_default(self.name, call=False) # type: ignore
if value is None:
value = self.default
if call and callable(value):
value = value()
return value
| (self, ctx: asyncclick.core.Context, call: bool = True) -> Union[Any, Callable[[], Any], NoneType] |
9,261 | asyncclick.core | get_error_hint | null | def get_error_hint(self, ctx: Context) -> str:
return f"'{self.make_metavar()}'"
| (self, ctx: asyncclick.core.Context) -> str |
9,262 | asyncclick.core | get_help_record | null | def get_help_record(self, ctx: Context) -> t.Optional[t.Tuple[str, str]]:
pass
| (self, ctx: asyncclick.core.Context) -> Optional[Tuple[str, str]] |
9,263 | asyncclick.core | get_usage_pieces | null | def get_usage_pieces(self, ctx: Context) -> t.List[str]:
return [self.make_metavar()]
| (self, ctx: asyncclick.core.Context) -> List[str] |
9,264 | asyncclick.core | handle_parse_result | null | def value_from_envvar(self, ctx: Context) -> t.Optional[t.Any]:
rv: t.Optional[t.Any] = self.resolve_envvar_value(ctx)
if rv is not None and self.nargs != 1:
rv = self.type.split_envvar_value(rv)
return rv
| (self, ctx: asyncclick.core.Context, opts: Mapping[str, Any], args: List[str]) -> Tuple[Any, List[str]] |
9,265 | asyncclick.core | make_metavar | null | def make_metavar(self) -> str:
if self.metavar is not None:
return self.metavar
var = self.type.get_metavar(self)
if not var:
var = self.name.upper() # type: ignore
if not self.required:
var = f"[{var}]"
if self.nargs != 1:
var += "..."
return var
| (self) -> str |
9,266 | asyncclick.core | process_value | null | def process_value(self, ctx: Context, value: t.Any) -> t.Any:
value = self.type_cast_value(ctx, value)
if self.required and self.value_is_missing(value):
raise MissingParameter(ctx=ctx, param=self)
if self.callback is not None:
value = self.callback(ctx, self, value)
return value
| (self, ctx: asyncclick.core.Context, value: Any) -> Any |
9,267 | asyncclick.core | resolve_envvar_value | null | def resolve_envvar_value(self, ctx: Context) -> t.Optional[str]:
if self.envvar is None:
return None
if isinstance(self.envvar, str):
rv = os.environ.get(self.envvar)
if rv:
return rv
else:
for envvar in self.envvar:
rv = os.environ.get(envvar)
if rv:
return rv
return None
| (self, ctx: asyncclick.core.Context) -> Optional[str] |
9,268 | asyncclick.core | shell_complete | Return a list of completions for the incomplete value. If a
``shell_complete`` function was given during init, it is used.
Otherwise, the :attr:`type`
:meth:`~click.types.ParamType.shell_complete` function is used.
:param ctx: Invocation context for this command.
:param incomplete: Value being completed. May be empty.
.. versionadded:: 8.0
| def shell_complete(self, ctx: Context, incomplete: str) -> t.List["CompletionItem"]:
"""Return a list of completions for the incomplete value. If a
``shell_complete`` function was given during init, it is used.
Otherwise, the :attr:`type`
:meth:`~click.types.ParamType.shell_complete` function is used.
:param ctx: Invocation context for this command.
:param incomplete: Value being completed. May be empty.
.. versionadded:: 8.0
"""
if self._custom_shell_complete is not None:
results = self._custom_shell_complete(ctx, self, incomplete)
if results and isinstance(results[0], str):
from .shell_completion import CompletionItem
results = [CompletionItem(c) for c in results]
return t.cast(t.List["CompletionItem"], results)
return self.type.shell_complete(ctx, self, incomplete)
| (self, ctx: asyncclick.core.Context, incomplete: str) -> List[ForwardRef('CompletionItem')] |
9,269 | asyncclick.core | to_info_dict | Gather information that could be useful for a tool generating
user-facing documentation.
Use :meth:`click.Context.to_info_dict` to traverse the entire
CLI structure.
.. versionadded:: 8.0
| def __init__(
self,
param_decls: t.Optional[t.Sequence[str]] = None,
type: t.Optional[t.Union[types.ParamType, t.Any]] = None,
required: bool = False,
default: t.Optional[t.Union[t.Any, t.Callable[[], t.Any]]] = None,
callback: t.Optional[t.Callable[[Context, "Parameter", t.Any], t.Any]] = None,
nargs: t.Optional[int] = None,
multiple: bool = False,
metavar: t.Optional[str] = None,
expose_value: bool = True,
is_eager: bool = False,
envvar: t.Optional[t.Union[str, t.Sequence[str]]] = None,
shell_complete: t.Optional[
t.Callable[
[Context, "Parameter", str],
t.Union[t.List["CompletionItem"], t.List[str]],
]
] = None,
) -> None:
self.name: t.Optional[str]
self.opts: t.List[str]
self.secondary_opts: t.List[str]
self.name, self.opts, self.secondary_opts = self._parse_decls(
param_decls or (), expose_value
)
self.type: types.ParamType = types.convert_type(type, default)
# Default nargs to what the type tells us if we have that
# information available.
if nargs is None:
if self.type.is_composite:
nargs = self.type.arity
else:
nargs = 1
self.required = required
self.callback = callback
self.nargs = nargs
self.multiple = multiple
self.expose_value = expose_value
self.default = default
self.is_eager = is_eager
self.metavar = metavar
self.envvar = envvar
self._custom_shell_complete = shell_complete
if __debug__:
if self.type.is_composite and nargs != self.type.arity:
raise ValueError(
f"'nargs' must be {self.type.arity} (or None) for"
f" type {self.type!r}, but it was {nargs}."
)
# Skip no default or callable default.
check_default = default if not callable(default) else None
if check_default is not None:
if multiple:
try:
# Only check the first value against nargs.
check_default = next(_check_iter(check_default), None)
except TypeError:
raise ValueError(
"'default' must be a list when 'multiple' is true."
) from None
# Can be None for multiple with empty default.
if nargs != 1 and check_default is not None:
try:
_check_iter(check_default)
except TypeError:
if multiple:
message = (
"'default' must be a list of lists when 'multiple' is"
" true and 'nargs' != 1."
)
else:
message = "'default' must be a list when 'nargs' != 1."
raise ValueError(message) from None
if nargs > 1 and len(check_default) != nargs:
subject = "item length" if multiple else "length"
raise ValueError(
f"'default' {subject} must match nargs={nargs}."
)
| (self) -> Dict[str, Any] |
9,270 | asyncclick.core | type_cast_value | Convert and validate a value against the option's
:attr:`type`, :attr:`multiple`, and :attr:`nargs`.
| def type_cast_value(self, ctx: Context, value: t.Any) -> t.Any:
"""Convert and validate a value against the option's
:attr:`type`, :attr:`multiple`, and :attr:`nargs`.
"""
if value is None:
return () if self.multiple or self.nargs == -1 else None
def check_iter(value: t.Any) -> t.Iterator[t.Any]:
try:
return _check_iter(value)
except TypeError:
# This should only happen when passing in args manually,
# the parser should construct an iterable when parsing
# the command line.
raise BadParameter(
_("Value must be an iterable."), ctx=ctx, param=self
) from None
if self.nargs == 1 or self.type.is_composite:
def convert(value: t.Any) -> t.Any:
return self.type(value, param=self, ctx=ctx)
elif self.nargs == -1:
def convert(value: t.Any) -> t.Any: # t.Tuple[t.Any, ...]
return tuple(self.type(x, self, ctx) for x in check_iter(value))
else: # nargs > 1
def convert(value: t.Any) -> t.Any: # t.Tuple[t.Any, ...]
value = tuple(check_iter(value))
if len(value) != self.nargs:
raise BadParameter(
ngettext(
"Takes {nargs} values but 1 was given.",
"Takes {nargs} values but {len} were given.",
len(value),
).format(nargs=self.nargs, len=len(value)),
ctx=ctx,
param=self,
)
return tuple(self.type(x, self, ctx) for x in value)
if self.multiple:
return tuple(convert(x) for x in check_iter(value))
return convert(value)
| (self, ctx: asyncclick.core.Context, value: Any) -> Any |
9,272 | asyncclick.core | value_is_missing | null | def value_is_missing(self, value: t.Any) -> bool:
if value is None:
return True
if (self.nargs != 1 or self.multiple) and value == ():
return True
return False
| (self, value: Any) -> bool |
9,273 | asyncclick.exceptions | BadArgumentUsage | Raised if an argument is generally supplied but the use of the argument
was incorrect. This is for instance raised if the number of values
for an argument is not correct.
.. versionadded:: 6.0
| class BadArgumentUsage(UsageError):
"""Raised if an argument is generally supplied but the use of the argument
was incorrect. This is for instance raised if the number of values
for an argument is not correct.
.. versionadded:: 6.0
"""
| (message: str, ctx: Optional[ForwardRef('Context')] = None) -> None |
9,274 | asyncclick.exceptions | __init__ | null | def __init__(self, message: str, ctx: t.Optional["Context"] = None) -> None:
super().__init__(message)
self.ctx = ctx
self.cmd: t.Optional["Command"] = self.ctx.command if self.ctx else None
| (self, message: str, ctx: Optional[ForwardRef('Context')] = None) -> None |
9,275 | asyncclick.exceptions | __str__ | null | def __str__(self) -> str:
return self.message
| (self) -> str |
9,276 | asyncclick.exceptions | format_message | null | def format_message(self) -> str:
return self.message
| (self) -> str |
9,277 | asyncclick.exceptions | show | null | def show(self, file: t.Optional[t.IO[t.Any]] = None) -> None:
if file is None:
file = get_text_stderr()
color = None
hint = ""
if (
self.ctx is not None
and self.ctx.command.get_help_option(self.ctx) is not None
):
hint = _("Try '{command} {option}' for help.").format(
command=self.ctx.command_path, option=self.ctx.help_option_names[0]
)
hint = f"{hint}\n"
if self.ctx is not None:
color = self.ctx.color
echo(f"{self.ctx.get_usage()}\n{hint}", file=file, color=color)
echo(
_("Error: {message}").format(message=self.format_message()),
file=file,
color=color,
)
| (self, file: Optional[IO[Any]] = None) -> NoneType |
9,278 | asyncclick.exceptions | BadOptionUsage | Raised if an option is generally supplied but the use of the option
was incorrect. This is for instance raised if the number of arguments
for an option is not correct.
.. versionadded:: 4.0
:param option_name: the name of the option being used incorrectly.
| class BadOptionUsage(UsageError):
"""Raised if an option is generally supplied but the use of the option
was incorrect. This is for instance raised if the number of arguments
for an option is not correct.
.. versionadded:: 4.0
:param option_name: the name of the option being used incorrectly.
"""
def __init__(
self, option_name: str, message: str, ctx: t.Optional["Context"] = None
) -> None:
super().__init__(message, ctx)
self.option_name = option_name
| (option_name: str, message: str, ctx: Optional[ForwardRef('Context')] = None) -> None |
9,279 | asyncclick.exceptions | __init__ | null | def __init__(
self, option_name: str, message: str, ctx: t.Optional["Context"] = None
) -> None:
super().__init__(message, ctx)
self.option_name = option_name
| (self, option_name: str, message: str, ctx: Optional[ForwardRef('Context')] = None) -> None |
9,283 | asyncclick.exceptions | BadParameter | An exception that formats out a standardized error message for a
bad parameter. This is useful when thrown from a callback or type as
Click will attach contextual information to it (for instance, which
parameter it is).
.. versionadded:: 2.0
:param param: the parameter object that caused this error. This can
be left out, and Click will attach this info itself
if possible.
:param param_hint: a string that shows up as parameter name. This
can be used as alternative to `param` in cases
where custom validation should happen. If it is
a string it's used as such, if it's a list then
each item is quoted and separated.
| class BadParameter(UsageError):
"""An exception that formats out a standardized error message for a
bad parameter. This is useful when thrown from a callback or type as
Click will attach contextual information to it (for instance, which
parameter it is).
.. versionadded:: 2.0
:param param: the parameter object that caused this error. This can
be left out, and Click will attach this info itself
if possible.
:param param_hint: a string that shows up as parameter name. This
can be used as alternative to `param` in cases
where custom validation should happen. If it is
a string it's used as such, if it's a list then
each item is quoted and separated.
"""
def __init__(
self,
message: str,
ctx: t.Optional["Context"] = None,
param: t.Optional["Parameter"] = None,
param_hint: t.Optional[str] = None,
) -> None:
super().__init__(message, ctx)
self.param = param
self.param_hint = param_hint
def format_message(self) -> str:
if self.param_hint is not None:
param_hint = self.param_hint
elif self.param is not None:
param_hint = self.param.get_error_hint(self.ctx) # type: ignore
else:
return _("Invalid value: {message}").format(message=self.message)
return _("Invalid value for {param_hint}: {message}").format(
param_hint=_join_param_hints(param_hint), message=self.message
)
| (message: str, ctx: Optional[ForwardRef('Context')] = None, param: Optional[ForwardRef('Parameter')] = None, param_hint: Optional[str] = None) -> None |
9,284 | asyncclick.exceptions | __init__ | null | def __init__(
self,
message: str,
ctx: t.Optional["Context"] = None,
param: t.Optional["Parameter"] = None,
param_hint: t.Optional[str] = None,
) -> None:
super().__init__(message, ctx)
self.param = param
self.param_hint = param_hint
| (self, message: str, ctx: Optional[ForwardRef('Context')] = None, param: Optional[ForwardRef('Parameter')] = None, param_hint: Optional[str] = None) -> None |
9,286 | asyncclick.exceptions | format_message | null | def format_message(self) -> str:
if self.param_hint is not None:
param_hint = self.param_hint
elif self.param is not None:
param_hint = self.param.get_error_hint(self.ctx) # type: ignore
else:
return _("Invalid value: {message}").format(message=self.message)
return _("Invalid value for {param_hint}: {message}").format(
param_hint=_join_param_hints(param_hint), message=self.message
)
| (self) -> str |
9,288 | asyncclick.core | BaseCommand | The base command implements the minimal API contract of commands.
Most code will never use this as it does not implement a lot of useful
functionality but it can act as the direct subclass of alternative
parsing methods that do not depend on the Click parser.
For instance, this can be used to bridge Click and other systems like
argparse or docopt.
Because base commands do not implement a lot of the API that other
parts of Click take for granted, they are not supported for all
operations. For instance, they cannot be used with the decorators
usually and they have no built-in callback system.
.. versionchanged:: 2.0
Added the `context_settings` parameter.
:param name: the name of the command to use unless a group overrides it.
:param context_settings: an optional dictionary with defaults that are
passed to the context object.
| class BaseCommand:
"""The base command implements the minimal API contract of commands.
Most code will never use this as it does not implement a lot of useful
functionality but it can act as the direct subclass of alternative
parsing methods that do not depend on the Click parser.
For instance, this can be used to bridge Click and other systems like
argparse or docopt.
Because base commands do not implement a lot of the API that other
parts of Click take for granted, they are not supported for all
operations. For instance, they cannot be used with the decorators
usually and they have no built-in callback system.
.. versionchanged:: 2.0
Added the `context_settings` parameter.
:param name: the name of the command to use unless a group overrides it.
:param context_settings: an optional dictionary with defaults that are
passed to the context object.
"""
#: The context class to create with :meth:`make_context`.
#:
#: .. versionadded:: 8.0
context_class: t.Type[Context] = Context
#: the default for the :attr:`Context.allow_extra_args` flag.
allow_extra_args = False
#: the default for the :attr:`Context.allow_interspersed_args` flag.
allow_interspersed_args = True
#: the default for the :attr:`Context.ignore_unknown_options` flag.
ignore_unknown_options = False
def __init__(
self,
name: t.Optional[str],
context_settings: t.Optional[t.MutableMapping[str, t.Any]] = None,
) -> None:
#: the name the command thinks it has. Upon registering a command
#: on a :class:`Group` the group will default the command name
#: with this information. You should instead use the
#: :class:`Context`\'s :attr:`~Context.info_name` attribute.
self.name = name
if context_settings is None:
context_settings = {}
#: an optional dictionary with defaults passed to the context.
self.context_settings: t.MutableMapping[str, t.Any] = context_settings
async def to_info_dict(self, ctx: Context) -> t.Dict[str, t.Any]:
"""Gather information that could be useful for a tool generating
user-facing documentation. This traverses the entire structure
below this command.
Use :meth:`click.Context.to_info_dict` to traverse the entire
CLI structure.
:param ctx: A :class:`Context` representing this command.
.. versionadded:: 8.0
"""
return {"name": self.name}
def __repr__(self) -> str:
return f"<{self.__class__.__name__} {self.name}>"
def get_usage(self, ctx: Context) -> str:
raise NotImplementedError("Base commands cannot get usage")
def get_help(self, ctx: Context) -> str:
raise NotImplementedError("Base commands cannot get help")
async def make_context(
self,
info_name: t.Optional[str],
args: t.List[str],
parent: t.Optional[Context] = None,
**extra: t.Any,
) -> Context:
"""This function when given an info name and arguments will kick
off the parsing and create a new :class:`Context`. It does not
invoke the actual command callback though.
To quickly customize the context class used without overriding
this method, set the :attr:`context_class` attribute.
:param info_name: the info name for this invocation. Generally this
is the most descriptive name for the script or
command. For the toplevel script it's usually
the name of the script, for commands below it's
the name of the command.
:param args: the arguments to parse as list of strings.
:param parent: the parent context if available.
:param extra: extra keyword arguments forwarded to the context
constructor.
.. versionchanged:: 8.0
Added the :attr:`context_class` attribute.
"""
for key, value in self.context_settings.items():
if key not in extra:
extra[key] = value
ctx = self.context_class(
self, info_name=info_name, parent=parent, **extra # type: ignore
)
async with ctx.scope(cleanup=False):
await self.parse_args(ctx, args)
return ctx
async def parse_args(self, ctx: Context, args: t.List[str]) -> t.List[str]:
"""Given a context and a list of arguments this creates the parser
and parses the arguments, then modifies the context as necessary.
This is automatically invoked by :meth:`make_context`.
"""
raise NotImplementedError("Base commands do not know how to parse arguments.")
async def invoke(self, ctx: Context) -> t.Any:
"""Given a context, this invokes the command. The default
implementation is raising a not implemented error.
"""
raise NotImplementedError("Base commands are not invocable by default")
def shell_complete(self, ctx: Context, incomplete: str) -> t.List["CompletionItem"]:
"""Return a list of completions for the incomplete value. Looks
at the names of chained multi-commands.
Any command could be part of a chained multi-command, so sibling
commands are valid at any point during command completion. Other
command classes will return more completions.
:param ctx: Invocation context for this command.
:param incomplete: Value being completed. May be empty.
.. versionadded:: 8.0
"""
from .shell_completion import CompletionItem
results: t.List["CompletionItem"] = []
while ctx.parent is not None:
ctx = ctx.parent
if isinstance(ctx.command, MultiCommand) and ctx.command.chain:
results.extend(
CompletionItem(name, help=command.get_short_help_str())
for name, command in _complete_visible_commands(ctx, incomplete)
if name not in ctx.protected_args
)
return results
@t.overload
async def main(
self,
args: t.Optional[t.Sequence[str]] = None,
prog_name: t.Optional[str] = None,
complete_var: t.Optional[str] = None,
standalone_mode: "te.Literal[True]" = True,
**extra: t.Any,
) -> "te.NoReturn":
...
@t.overload
async def main(
self,
args: t.Optional[t.Sequence[str]] = None,
prog_name: t.Optional[str] = None,
complete_var: t.Optional[str] = None,
standalone_mode: bool = ...,
**extra: t.Any,
) -> t.Any:
...
async def main(
self,
args: t.Optional[t.Sequence[str]] = None,
prog_name: t.Optional[str] = None,
complete_var: t.Optional[str] = None,
standalone_mode: bool = True,
windows_expand_args: bool = True,
**extra: t.Any,
) -> t.Any:
"""This is the way to invoke a script with all the bells and
whistles as a command line application. This will always terminate
the application after a call. If this is not wanted, ``SystemExit``
needs to be caught.
This method is also available by directly calling the instance of
a :class:`Command`.
:param args: the arguments that should be used for parsing. If not
provided, ``sys.argv[1:]`` is used.
:param prog_name: the program name that should be used. By default
the program name is constructed by taking the file
name from ``sys.argv[0]``.
:param complete_var: the environment variable that controls the
bash completion support. The default is
``"_<prog_name>_COMPLETE"`` with prog_name in
uppercase.
:param standalone_mode: the default behavior is to invoke the script
in standalone mode. Click will then
handle exceptions and convert them into
error messages and the function will never
return but shut down the interpreter. If
this is set to `False` they will be
propagated to the caller and the return
value of this function is the return value
of :meth:`invoke`.
:param windows_expand_args: Expand glob patterns, user dir, and
env vars in command line args on Windows.
:param extra: extra keyword arguments are forwarded to the context
constructor. See :class:`Context` for more information.
.. versionchanged:: 8.0.1
Added the ``windows_expand_args`` parameter to allow
disabling command line arg expansion on Windows.
.. versionchanged:: 8.0
When taking arguments from ``sys.argv`` on Windows, glob
patterns, user dir, and env vars are expanded.
.. versionchanged:: 3.0
Added the ``standalone_mode`` parameter.
"""
if args is None:
args = sys.argv[1:]
if os.name == "nt" and windows_expand_args:
args = _expand_args(args)
else:
args = list(args)
if prog_name is None:
prog_name = _detect_program_name()
# Process shell completion requests and exit early.
await self._main_shell_completion(extra, prog_name, complete_var)
try:
try:
async with await self.make_context(prog_name, args, **extra) as ctx:
rv = await self.invoke(ctx)
if not standalone_mode:
return rv
# it's not safe to `ctx.exit(rv)` here!
# note that `rv` may actually contain data like "1" which
# has obvious effects
# more subtle case: `rv=[None, None]` can come out of
# chained commands which all returned `None` -- so it's not
# even always obvious that `rv` indicates success/failure
# by its truthiness/falsiness
ctx.exit()
except (EOFError, KeyboardInterrupt) as e:
echo(file=sys.stderr)
raise Abort() from e
except ClickException as e:
if not standalone_mode:
raise
e.show()
sys.exit(e.exit_code)
except OSError as e:
if e.errno == errno.EPIPE:
sys.stdout = t.cast(t.TextIO, PacifyFlushWrapper(sys.stdout))
sys.stderr = t.cast(t.TextIO, PacifyFlushWrapper(sys.stderr))
sys.exit(1)
else:
raise
except Exit as e:
if standalone_mode:
sys.exit(e.exit_code)
else:
# in non-standalone mode, return the exit code
# note that this is only reached if `self.invoke` above raises
# an Exit explicitly -- thus bypassing the check there which
# would return its result
# the results of non-standalone execution may therefore be
# somewhat ambiguous: if there are codepaths which lead to
# `ctx.exit(1)` and to `return 1`, the caller won't be able to
# tell the difference between the two
return e.exit_code
except Abort:
if not standalone_mode:
raise
echo(_("Aborted!"), file=sys.stderr)
sys.exit(1)
async def _main_shell_completion(
self,
ctx_args: t.MutableMapping[str, t.Any],
prog_name: str,
complete_var: t.Optional[str] = None,
) -> None:
"""Check if the shell is asking for tab completion, process
that, then exit early. Called from :meth:`main` before the
program is invoked.
:param prog_name: Name of the executable in the shell.
:param complete_var: Name of the environment variable that holds
the completion instruction. Defaults to
``_{PROG_NAME}_COMPLETE``.
.. versionchanged:: 8.2.0
Dots (``.``) in ``prog_name`` are replaced with underscores (``_``).
"""
if complete_var is None:
complete_name = prog_name.replace("-", "_").replace(".", "_")
complete_var = f"_{complete_name}_COMPLETE".upper()
instruction = os.environ.get(complete_var)
if not instruction:
return
from .shell_completion import shell_complete
rv = await shell_complete(self, ctx_args, prog_name, complete_var, instruction)
sys.exit(rv)
def __call__(self, *args: t.Any, _anyio_backend: t.Optional[str] = None, _anyio_backend_options: t.Dict[str, t.Any] = {}, **kwargs: t.Any) -> t.Any:
"""Alias for :meth:`main`."""
main = self.main
opts:t.Dict[str, t.Any] = {}
if _anyio_backend:
opts["backend"] = _anyio_backend
if _anyio_backend_options:
opts["backend_options"] = _anyio_backend_options
return anyio.run(self._main, main, args, kwargs, **opts)
async def _main(self, main:t.Callable[..., t.Awaitable[V]], args: t.List[t.Any], kwargs: t.Dict[str, t.Any]) -> V:
return await main(*args, **kwargs)
| (name: Optional[str], context_settings: Optional[MutableMapping[str, Any]] = None) -> None |
9,289 | asyncclick.core | __call__ | Alias for :meth:`main`. | def __call__(self, *args: t.Any, _anyio_backend: t.Optional[str] = None, _anyio_backend_options: t.Dict[str, t.Any] = {}, **kwargs: t.Any) -> t.Any:
"""Alias for :meth:`main`."""
main = self.main
opts:t.Dict[str, t.Any] = {}
if _anyio_backend:
opts["backend"] = _anyio_backend
if _anyio_backend_options:
opts["backend_options"] = _anyio_backend_options
return anyio.run(self._main, main, args, kwargs, **opts)
| (self, *args: Any, _anyio_backend: Optional[str] = None, _anyio_backend_options: Dict[str, Any] = {}, **kwargs: Any) -> Any |
9,290 | asyncclick.core | __init__ | null | def __init__(
self,
name: t.Optional[str],
context_settings: t.Optional[t.MutableMapping[str, t.Any]] = None,
) -> None:
#: the name the command thinks it has. Upon registering a command
#: on a :class:`Group` the group will default the command name
#: with this information. You should instead use the
#: :class:`Context`\'s :attr:`~Context.info_name` attribute.
self.name = name
if context_settings is None:
context_settings = {}
#: an optional dictionary with defaults passed to the context.
self.context_settings: t.MutableMapping[str, t.Any] = context_settings
| (self, name: Optional[str], context_settings: Optional[MutableMapping[str, Any]] = None) -> NoneType |
9,292 | asyncclick.core | _main | null | def __call__(self, *args: t.Any, _anyio_backend: t.Optional[str] = None, _anyio_backend_options: t.Dict[str, t.Any] = {}, **kwargs: t.Any) -> t.Any:
"""Alias for :meth:`main`."""
main = self.main
opts:t.Dict[str, t.Any] = {}
if _anyio_backend:
opts["backend"] = _anyio_backend
if _anyio_backend_options:
opts["backend_options"] = _anyio_backend_options
return anyio.run(self._main, main, args, kwargs, **opts)
| (self, main: Callable[..., Awaitable[~V]], args: List[Any], kwargs: Dict[str, Any]) -> ~V |
9,293 | asyncclick.core | _main_shell_completion | Check if the shell is asking for tab completion, process
that, then exit early. Called from :meth:`main` before the
program is invoked.
:param prog_name: Name of the executable in the shell.
:param complete_var: Name of the environment variable that holds
the completion instruction. Defaults to
``_{PROG_NAME}_COMPLETE``.
.. versionchanged:: 8.2.0
Dots (``.``) in ``prog_name`` are replaced with underscores (``_``).
| @t.overload
async def main(
self,
args: t.Optional[t.Sequence[str]] = None,
prog_name: t.Optional[str] = None,
complete_var: t.Optional[str] = None,
standalone_mode: bool = ...,
**extra: t.Any,
) -> t.Any:
...
| (self, ctx_args: MutableMapping[str, Any], prog_name: str, complete_var: Optional[str] = None) -> NoneType |
9,294 | asyncclick.core | get_help | null | def get_help(self, ctx: Context) -> str:
raise NotImplementedError("Base commands cannot get help")
| (self, ctx: asyncclick.core.Context) -> str |
9,295 | asyncclick.core | get_usage | null | def get_usage(self, ctx: Context) -> str:
raise NotImplementedError("Base commands cannot get usage")
| (self, ctx: asyncclick.core.Context) -> str |
9,296 | asyncclick.core | invoke | Given a context, this invokes the command. The default
implementation is raising a not implemented error.
| def get_help(self, ctx: Context) -> str:
raise NotImplementedError("Base commands cannot get help")
| (self, ctx: asyncclick.core.Context) -> Any |
9,297 | asyncclick.core | main | This is the way to invoke a script with all the bells and
whistles as a command line application. This will always terminate
the application after a call. If this is not wanted, ``SystemExit``
needs to be caught.
This method is also available by directly calling the instance of
a :class:`Command`.
:param args: the arguments that should be used for parsing. If not
provided, ``sys.argv[1:]`` is used.
:param prog_name: the program name that should be used. By default
the program name is constructed by taking the file
name from ``sys.argv[0]``.
:param complete_var: the environment variable that controls the
bash completion support. The default is
``"_<prog_name>_COMPLETE"`` with prog_name in
uppercase.
:param standalone_mode: the default behavior is to invoke the script
in standalone mode. Click will then
handle exceptions and convert them into
error messages and the function will never
return but shut down the interpreter. If
this is set to `False` they will be
propagated to the caller and the return
value of this function is the return value
of :meth:`invoke`.
:param windows_expand_args: Expand glob patterns, user dir, and
env vars in command line args on Windows.
:param extra: extra keyword arguments are forwarded to the context
constructor. See :class:`Context` for more information.
.. versionchanged:: 8.0.1
Added the ``windows_expand_args`` parameter to allow
disabling command line arg expansion on Windows.
.. versionchanged:: 8.0
When taking arguments from ``sys.argv`` on Windows, glob
patterns, user dir, and env vars are expanded.
.. versionchanged:: 3.0
Added the ``standalone_mode`` parameter.
| @t.overload
async def main(
self,
args: t.Optional[t.Sequence[str]] = None,
prog_name: t.Optional[str] = None,
complete_var: t.Optional[str] = None,
standalone_mode: bool = ...,
**extra: t.Any,
) -> t.Any:
...
| (self, args: Optional[Sequence[str]] = None, prog_name: Optional[str] = None, complete_var: Optional[str] = None, standalone_mode: bool = True, windows_expand_args: bool = True, **extra: Any) -> Any |
9,298 | asyncclick.core | make_context | This function when given an info name and arguments will kick
off the parsing and create a new :class:`Context`. It does not
invoke the actual command callback though.
To quickly customize the context class used without overriding
this method, set the :attr:`context_class` attribute.
:param info_name: the info name for this invocation. Generally this
is the most descriptive name for the script or
command. For the toplevel script it's usually
the name of the script, for commands below it's
the name of the command.
:param args: the arguments to parse as list of strings.
:param parent: the parent context if available.
:param extra: extra keyword arguments forwarded to the context
constructor.
.. versionchanged:: 8.0
Added the :attr:`context_class` attribute.
| def get_help(self, ctx: Context) -> str:
raise NotImplementedError("Base commands cannot get help")
| (self, info_name: Optional[str], args: List[str], parent: Optional[asyncclick.core.Context] = None, **extra: Any) -> asyncclick.core.Context |
9,299 | asyncclick.core | parse_args | Given a context and a list of arguments this creates the parser
and parses the arguments, then modifies the context as necessary.
This is automatically invoked by :meth:`make_context`.
| def get_help(self, ctx: Context) -> str:
raise NotImplementedError("Base commands cannot get help")
| (self, ctx: asyncclick.core.Context, args: List[str]) -> List[str] |
9,300 | asyncclick.core | shell_complete | Return a list of completions for the incomplete value. Looks
at the names of chained multi-commands.
Any command could be part of a chained multi-command, so sibling
commands are valid at any point during command completion. Other
command classes will return more completions.
:param ctx: Invocation context for this command.
:param incomplete: Value being completed. May be empty.
.. versionadded:: 8.0
| def shell_complete(self, ctx: Context, incomplete: str) -> t.List["CompletionItem"]:
"""Return a list of completions for the incomplete value. Looks
at the names of chained multi-commands.
Any command could be part of a chained multi-command, so sibling
commands are valid at any point during command completion. Other
command classes will return more completions.
:param ctx: Invocation context for this command.
:param incomplete: Value being completed. May be empty.
.. versionadded:: 8.0
"""
from .shell_completion import CompletionItem
results: t.List["CompletionItem"] = []
while ctx.parent is not None:
ctx = ctx.parent
if isinstance(ctx.command, MultiCommand) and ctx.command.chain:
results.extend(
CompletionItem(name, help=command.get_short_help_str())
for name, command in _complete_visible_commands(ctx, incomplete)
if name not in ctx.protected_args
)
return results
| (self, ctx: asyncclick.core.Context, incomplete: str) -> List[ForwardRef('CompletionItem')] |
9,301 | asyncclick.core | to_info_dict | Gather information that could be useful for a tool generating
user-facing documentation. This traverses the entire structure
below this command.
Use :meth:`click.Context.to_info_dict` to traverse the entire
CLI structure.
:param ctx: A :class:`Context` representing this command.
.. versionadded:: 8.0
| def __init__(
self,
name: t.Optional[str],
context_settings: t.Optional[t.MutableMapping[str, t.Any]] = None,
) -> None:
#: the name the command thinks it has. Upon registering a command
#: on a :class:`Group` the group will default the command name
#: with this information. You should instead use the
#: :class:`Context`\'s :attr:`~Context.info_name` attribute.
self.name = name
if context_settings is None:
context_settings = {}
#: an optional dictionary with defaults passed to the context.
self.context_settings: t.MutableMapping[str, t.Any] = context_settings
| (self, ctx: asyncclick.core.Context) -> Dict[str, Any] |
9,302 | asyncclick.types | Choice | The choice type allows a value to be checked against a fixed set
of supported values. All of these values have to be strings.
You should only pass a list or tuple of choices. Other iterables
(like generators) may lead to surprising results.
The resulting value will always be one of the originally passed choices
regardless of ``case_sensitive`` or any ``ctx.token_normalize_func``
being specified.
See :ref:`choice-opts` for an example.
:param case_sensitive: Set to false to make choices case
insensitive. Defaults to true.
| class Choice(ParamType):
"""The choice type allows a value to be checked against a fixed set
of supported values. All of these values have to be strings.
You should only pass a list or tuple of choices. Other iterables
(like generators) may lead to surprising results.
The resulting value will always be one of the originally passed choices
regardless of ``case_sensitive`` or any ``ctx.token_normalize_func``
being specified.
See :ref:`choice-opts` for an example.
:param case_sensitive: Set to false to make choices case
insensitive. Defaults to true.
"""
name = "choice"
def __init__(self, choices: t.Sequence[str], case_sensitive: bool = True) -> None:
self.choices = choices
self.case_sensitive = case_sensitive
async def to_info_dict(self) -> t.Dict[str, t.Any]:
info_dict = await super().to_info_dict()
info_dict["choices"] = self.choices
info_dict["case_sensitive"] = self.case_sensitive
return info_dict
def get_metavar(self, param: "Parameter") -> str:
choices_str = "|".join(self.choices)
# Use curly braces to indicate a required argument.
if param.required and param.param_type_name == "argument":
return f"{{{choices_str}}}"
# Use square braces to indicate an option or optional argument.
return f"[{choices_str}]"
def get_missing_message(self, param: "Parameter") -> str:
return _("Choose from:\n\t{choices}").format(choices=",\n\t".join(self.choices))
def convert(
self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"]
) -> t.Any:
# Match through normalization and case sensitivity
# first do token_normalize_func, then lowercase
# preserve original `value` to produce an accurate message in
# `self.fail`
normed_value = value
normed_choices = {choice: choice for choice in self.choices}
if ctx is not None and ctx.token_normalize_func is not None:
normed_value = ctx.token_normalize_func(value)
normed_choices = {
ctx.token_normalize_func(normed_choice): original
for normed_choice, original in normed_choices.items()
}
if not self.case_sensitive:
normed_value = normed_value.casefold()
normed_choices = {
normed_choice.casefold(): original
for normed_choice, original in normed_choices.items()
}
if normed_value in normed_choices:
return normed_choices[normed_value]
choices_str = ", ".join(map(repr, self.choices))
self.fail(
ngettext(
"{value!r} is not {choice}.",
"{value!r} is not one of {choices}.",
len(self.choices),
).format(value=value, choice=choices_str, choices=choices_str),
param,
ctx,
)
def __repr__(self) -> str:
return f"Choice({list(self.choices)})"
def shell_complete(
self, ctx: "Context", param: "Parameter", incomplete: str
) -> t.List["CompletionItem"]:
"""Complete choices that start with the incomplete value.
:param ctx: Invocation context for this command.
:param param: The parameter that is requesting completion.
:param incomplete: Value being completed. May be empty.
.. versionadded:: 8.0
"""
from .shell_completion import CompletionItem
str_choices = map(str, self.choices)
if self.case_sensitive:
matched = (c for c in str_choices if c.startswith(incomplete))
else:
incomplete = incomplete.lower()
matched = (c for c in str_choices if c.lower().startswith(incomplete))
return [CompletionItem(c) for c in matched]
| (choices: Sequence[str], case_sensitive: bool = True) -> None |
9,303 | asyncclick.types | __call__ | null | def __call__(
self,
value: t.Any,
param: t.Optional["Parameter"] = None,
ctx: t.Optional["Context"] = None,
) -> t.Any:
if value is not None:
return self.convert(value, param, ctx)
| (self, value: Any, param: Optional[ForwardRef('Parameter')] = None, ctx: Optional[ForwardRef('Context')] = None) -> Any |
9,304 | asyncclick.types | __init__ | null | def __init__(self, choices: t.Sequence[str], case_sensitive: bool = True) -> None:
self.choices = choices
self.case_sensitive = case_sensitive
| (self, choices: Sequence[str], case_sensitive: bool = True) -> NoneType |
9,305 | asyncclick.types | __repr__ | null | def __repr__(self) -> str:
return f"Choice({list(self.choices)})"
| (self) -> str |
9,306 | asyncclick.types | convert | null | def convert(
self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"]
) -> t.Any:
# Match through normalization and case sensitivity
# first do token_normalize_func, then lowercase
# preserve original `value` to produce an accurate message in
# `self.fail`
normed_value = value
normed_choices = {choice: choice for choice in self.choices}
if ctx is not None and ctx.token_normalize_func is not None:
normed_value = ctx.token_normalize_func(value)
normed_choices = {
ctx.token_normalize_func(normed_choice): original
for normed_choice, original in normed_choices.items()
}
if not self.case_sensitive:
normed_value = normed_value.casefold()
normed_choices = {
normed_choice.casefold(): original
for normed_choice, original in normed_choices.items()
}
if normed_value in normed_choices:
return normed_choices[normed_value]
choices_str = ", ".join(map(repr, self.choices))
self.fail(
ngettext(
"{value!r} is not {choice}.",
"{value!r} is not one of {choices}.",
len(self.choices),
).format(value=value, choice=choices_str, choices=choices_str),
param,
ctx,
)
| (self, value: Any, param: Optional[ForwardRef('Parameter')], ctx: Optional[ForwardRef('Context')]) -> Any |
9,307 | asyncclick.types | fail | Helper method to fail with an invalid value message. | def fail(
self,
message: str,
param: t.Optional["Parameter"] = None,
ctx: t.Optional["Context"] = None,
) -> "t.NoReturn":
"""Helper method to fail with an invalid value message."""
raise BadParameter(message, ctx=ctx, param=param)
| (self, message: str, param: Optional[ForwardRef('Parameter')] = None, ctx: Optional[ForwardRef('Context')] = None) -> 't.NoReturn' |
9,308 | asyncclick.types | get_metavar | null | def get_metavar(self, param: "Parameter") -> str:
choices_str = "|".join(self.choices)
# Use curly braces to indicate a required argument.
if param.required and param.param_type_name == "argument":
return f"{{{choices_str}}}"
# Use square braces to indicate an option or optional argument.
return f"[{choices_str}]"
| (self, param: 'Parameter') -> str |
9,309 | asyncclick.types | get_missing_message | null | def get_missing_message(self, param: "Parameter") -> str:
return _("Choose from:\n\t{choices}").format(choices=",\n\t".join(self.choices))
| (self, param: 'Parameter') -> str |
9,310 | asyncclick.types | shell_complete | Complete choices that start with the incomplete value.
:param ctx: Invocation context for this command.
:param param: The parameter that is requesting completion.
:param incomplete: Value being completed. May be empty.
.. versionadded:: 8.0
| def shell_complete(
self, ctx: "Context", param: "Parameter", incomplete: str
) -> t.List["CompletionItem"]:
"""Complete choices that start with the incomplete value.
:param ctx: Invocation context for this command.
:param param: The parameter that is requesting completion.
:param incomplete: Value being completed. May be empty.
.. versionadded:: 8.0
"""
from .shell_completion import CompletionItem
str_choices = map(str, self.choices)
if self.case_sensitive:
matched = (c for c in str_choices if c.startswith(incomplete))
else:
incomplete = incomplete.lower()
matched = (c for c in str_choices if c.lower().startswith(incomplete))
return [CompletionItem(c) for c in matched]
| (self, ctx: 'Context', param: 'Parameter', incomplete: str) -> List[ForwardRef('CompletionItem')] |
9,311 | asyncclick.types | split_envvar_value | Given a value from an environment variable this splits it up
into small chunks depending on the defined envvar list splitter.
If the splitter is set to `None`, which means that whitespace splits,
then leading and trailing whitespace is ignored. Otherwise, leading
and trailing splitters usually lead to empty items being included.
| def split_envvar_value(self, rv: str) -> t.Sequence[str]:
"""Given a value from an environment variable this splits it up
into small chunks depending on the defined envvar list splitter.
If the splitter is set to `None`, which means that whitespace splits,
then leading and trailing whitespace is ignored. Otherwise, leading
and trailing splitters usually lead to empty items being included.
"""
return (rv or "").split(self.envvar_list_splitter)
| (self, rv: str) -> Sequence[str] |
9,313 | asyncclick.exceptions | ClickException | An exception that Click can handle and show to the user. | class ClickException(Exception):
"""An exception that Click can handle and show to the user."""
#: The exit code for this exception.
exit_code = 1
def __init__(self, message: str) -> None:
super().__init__(message)
self.message = message
def format_message(self) -> str:
return self.message
def __str__(self) -> str:
return self.message
def show(self, file: t.Optional[t.IO[t.Any]] = None) -> None:
if file is None:
file = get_text_stderr()
echo(_("Error: {message}").format(message=self.format_message()), file=file)
| (message: str) -> None |
9,314 | asyncclick.exceptions | __init__ | null | def __init__(self, message: str) -> None:
super().__init__(message)
self.message = message
| (self, message: str) -> NoneType |
9,317 | asyncclick.exceptions | show | null | def show(self, file: t.Optional[t.IO[t.Any]] = None) -> None:
if file is None:
file = get_text_stderr()
echo(_("Error: {message}").format(message=self.format_message()), file=file)
| (self, file: Optional[IO[Any]] = None) -> NoneType |
9,318 | asyncclick.core | Command | Commands are the basic building block of command line interfaces in
Click. A basic command handles command line parsing and might dispatch
more parsing to commands nested below it.
:param name: the name of the command to use unless a group overrides it.
:param context_settings: an optional dictionary with defaults that are
passed to the context object.
:param callback: the callback to invoke. This is optional.
:param params: the parameters to register with this command. This can
be either :class:`Option` or :class:`Argument` objects.
:param help: the help string to use for this command.
:param epilog: like the help string but it's printed at the end of the
help page after everything else.
:param short_help: the short help to use for this command. This is
shown on the command listing of the parent command.
:param add_help_option: by default each command registers a ``--help``
option. This can be disabled by this parameter.
:param no_args_is_help: this controls what happens if no arguments are
provided. This option is disabled by default.
If enabled this will add ``--help`` as argument
if no arguments are passed
:param hidden: hide this command from help outputs.
:param deprecated: issues a message indicating that
the command is deprecated.
.. versionchanged:: 8.1
``help``, ``epilog``, and ``short_help`` are stored unprocessed,
all formatting is done when outputting help text, not at init,
and is done even if not using the ``@command`` decorator.
.. versionchanged:: 8.0
Added a ``repr`` showing the command name.
.. versionchanged:: 7.1
Added the ``no_args_is_help`` parameter.
.. versionchanged:: 2.0
Added the ``context_settings`` parameter.
| class Command(BaseCommand):
"""Commands are the basic building block of command line interfaces in
Click. A basic command handles command line parsing and might dispatch
more parsing to commands nested below it.
:param name: the name of the command to use unless a group overrides it.
:param context_settings: an optional dictionary with defaults that are
passed to the context object.
:param callback: the callback to invoke. This is optional.
:param params: the parameters to register with this command. This can
be either :class:`Option` or :class:`Argument` objects.
:param help: the help string to use for this command.
:param epilog: like the help string but it's printed at the end of the
help page after everything else.
:param short_help: the short help to use for this command. This is
shown on the command listing of the parent command.
:param add_help_option: by default each command registers a ``--help``
option. This can be disabled by this parameter.
:param no_args_is_help: this controls what happens if no arguments are
provided. This option is disabled by default.
If enabled this will add ``--help`` as argument
if no arguments are passed
:param hidden: hide this command from help outputs.
:param deprecated: issues a message indicating that
the command is deprecated.
.. versionchanged:: 8.1
``help``, ``epilog``, and ``short_help`` are stored unprocessed,
all formatting is done when outputting help text, not at init,
and is done even if not using the ``@command`` decorator.
.. versionchanged:: 8.0
Added a ``repr`` showing the command name.
.. versionchanged:: 7.1
Added the ``no_args_is_help`` parameter.
.. versionchanged:: 2.0
Added the ``context_settings`` parameter.
"""
def __init__(
self,
name: t.Optional[str],
context_settings: t.Optional[t.MutableMapping[str, t.Any]] = None,
callback: t.Optional[t.Callable[..., t.Any]] = None,
params: t.Optional[t.List["Parameter"]] = None,
help: t.Optional[str] = None,
epilog: t.Optional[str] = None,
short_help: t.Optional[str] = None,
options_metavar: t.Optional[str] = "[OPTIONS]",
add_help_option: bool = True,
no_args_is_help: bool = False,
hidden: bool = False,
deprecated: bool = False,
) -> None:
super().__init__(name, context_settings)
#: the callback to execute when the command fires. This might be
#: `None` in which case nothing happens.
self.callback = callback
#: the list of parameters for this command in the order they
#: should show up in the help page and execute. Eager parameters
#: will automatically be handled before non eager ones.
self.params: t.List["Parameter"] = params or []
self.help = help
self.epilog = epilog
self.options_metavar = options_metavar
self.short_help = short_help
self.add_help_option = add_help_option
self.no_args_is_help = no_args_is_help
self.hidden = hidden
self.deprecated = deprecated
async def to_info_dict(self, ctx: Context) -> t.Dict[str, t.Any]:
info_dict = await super().to_info_dict(ctx)
info_dict.update(
params=[await param.to_info_dict() for param in self.get_params(ctx)],
help=self.help,
epilog=self.epilog,
short_help=self.short_help,
hidden=self.hidden,
deprecated=self.deprecated,
)
return info_dict
def get_usage(self, ctx: Context) -> str:
"""Formats the usage line into a string and returns it.
Calls :meth:`format_usage` internally.
"""
formatter = ctx.make_formatter()
self.format_usage(ctx, formatter)
return formatter.getvalue().rstrip("\n")
def get_params(self, ctx: Context) -> t.List["Parameter"]:
rv = self.params
help_option = self.get_help_option(ctx)
if help_option is not None:
rv = [*rv, help_option]
return rv
def format_usage(self, ctx: Context, formatter: HelpFormatter) -> None:
"""Writes the usage line into the formatter.
This is a low-level method called by :meth:`get_usage`.
"""
pieces = self.collect_usage_pieces(ctx)
formatter.write_usage(ctx.command_path, " ".join(pieces))
def collect_usage_pieces(self, ctx: Context) -> t.List[str]:
"""Returns all the pieces that go into the usage line and returns
it as a list of strings.
"""
rv = [self.options_metavar] if self.options_metavar else []
for param in self.get_params(ctx):
rv.extend(param.get_usage_pieces(ctx))
return rv
def get_help_option_names(self, ctx: Context) -> t.List[str]:
"""Returns the names for the help option."""
all_names = set(ctx.help_option_names)
for param in self.params:
all_names.difference_update(param.opts)
all_names.difference_update(param.secondary_opts)
return list(all_names)
def get_help_option(self, ctx: Context) -> t.Optional["Option"]:
"""Returns the help option object."""
help_options = self.get_help_option_names(ctx)
if not help_options or not self.add_help_option:
return None
def show_help(ctx: Context, param: "Parameter", value: str) -> None:
if value and not ctx.resilient_parsing:
echo(ctx.get_help(), color=ctx.color)
ctx.exit()
return Option(
help_options,
is_flag=True,
is_eager=True,
expose_value=False,
callback=show_help,
help=_("Show this message and exit."),
)
def make_parser(self, ctx: Context) -> OptionParser:
"""Creates the underlying option parser for this command."""
parser = OptionParser(ctx)
for param in self.get_params(ctx):
param.add_to_parser(parser, ctx)
return parser
def get_help(self, ctx: Context) -> str:
"""Formats the help into a string and returns it.
Calls :meth:`format_help` internally.
"""
formatter = ctx.make_formatter()
self.format_help(ctx, formatter)
return formatter.getvalue().rstrip("\n")
def get_short_help_str(self, limit: int = 45) -> str:
"""Gets short help for the command or makes it by shortening the
long help string.
"""
if self.short_help:
text = inspect.cleandoc(self.short_help)
elif self.help:
text = make_default_short_help(self.help, limit)
else:
text = ""
if self.deprecated:
text = _("(Deprecated) {text}").format(text=text)
return text.strip()
def format_help(self, ctx: Context, formatter: HelpFormatter) -> None:
"""Writes the help into the formatter if it exists.
This is a low-level method called by :meth:`get_help`.
This calls the following methods:
- :meth:`format_usage`
- :meth:`format_help_text`
- :meth:`format_options`
- :meth:`format_epilog`
"""
self.format_usage(ctx, formatter)
self.format_help_text(ctx, formatter)
self.format_options(ctx, formatter)
self.format_epilog(ctx, formatter)
def format_help_text(self, ctx: Context, formatter: HelpFormatter) -> None:
"""Writes the help text to the formatter if it exists."""
if self.help is not None:
# truncate the help text to the first form feed
text = inspect.cleandoc(self.help).partition("\f")[0]
else:
text = ""
if self.deprecated:
text = _("(Deprecated) {text}").format(text=text)
if text:
formatter.write_paragraph()
with formatter.indentation():
formatter.write_text(text)
def format_options(self, ctx: Context, formatter: HelpFormatter) -> None:
"""Writes all the options into the formatter if they exist."""
opts = []
for param in self.get_params(ctx):
rv = param.get_help_record(ctx)
if rv is not None:
opts.append(rv)
if opts:
with formatter.section(_("Options")):
formatter.write_dl(opts)
def format_epilog(self, ctx: Context, formatter: HelpFormatter) -> None:
"""Writes the epilog into the formatter if it exists."""
if self.epilog:
epilog = inspect.cleandoc(self.epilog)
formatter.write_paragraph()
with formatter.indentation():
formatter.write_text(epilog)
async def parse_args(self, ctx: Context, args: t.List[str]) -> t.List[str]:
if not args and self.no_args_is_help and not ctx.resilient_parsing:
echo(ctx.get_help(), color=ctx.color)
ctx.exit()
parser = self.make_parser(ctx)
opts, args, param_order = await parser.parse_args(args=args)
for param in iter_params_for_processing(param_order, self.get_params(ctx)):
value, args = await param.handle_parse_result(ctx, opts, args)
if args and not ctx.allow_extra_args and not ctx.resilient_parsing:
ctx.fail(
ngettext(
"Got unexpected extra argument ({args})",
"Got unexpected extra arguments ({args})",
len(args),
).format(args=" ".join(map(str, args)))
)
ctx.args = args
ctx._opt_prefixes.update(parser._opt_prefixes)
return args
async def invoke(self, ctx: Context) -> t.Any:
"""Given a context, this invokes the attached callback (if it exists)
in the right way.
"""
if self.deprecated:
message = _(
"DeprecationWarning: The command {name!r} is deprecated."
).format(name=self.name)
echo(style(message, fg="red"), err=True)
if self.callback is not None:
return await ctx.invoke(self.callback, **ctx.params)
def shell_complete(self, ctx: Context, incomplete: str) -> t.List["CompletionItem"]:
"""Return a list of completions for the incomplete value. Looks
at the names of options and chained multi-commands.
:param ctx: Invocation context for this command.
:param incomplete: Value being completed. May be empty.
.. versionadded:: 8.0
"""
from .shell_completion import CompletionItem
results: t.List["CompletionItem"] = []
if incomplete and not incomplete[0].isalnum():
for param in self.get_params(ctx):
if (
not isinstance(param, Option)
or param.hidden
or (
not param.multiple
and ctx.get_parameter_source(param.name) # type: ignore
is ParameterSource.COMMANDLINE
)
):
continue
results.extend(
CompletionItem(name, help=param.help)
for name in [*param.opts, *param.secondary_opts]
if name.startswith(incomplete)
)
results.extend(super().shell_complete(ctx, incomplete))
return results
| (name: Optional[str], context_settings: Optional[MutableMapping[str, Any]] = None, callback: Optional[Callable[..., Any]] = None, params: Optional[List[ForwardRef('Parameter')]] = None, help: Optional[str] = None, epilog: Optional[str] = None, short_help: Optional[str] = None, options_metavar: Optional[str] = '[OPTIONS]', add_help_option: bool = True, no_args_is_help: bool = False, hidden: bool = False, deprecated: bool = False) -> None |
9,320 | asyncclick.core | __init__ | null | def __init__(
self,
name: t.Optional[str],
context_settings: t.Optional[t.MutableMapping[str, t.Any]] = None,
callback: t.Optional[t.Callable[..., t.Any]] = None,
params: t.Optional[t.List["Parameter"]] = None,
help: t.Optional[str] = None,
epilog: t.Optional[str] = None,
short_help: t.Optional[str] = None,
options_metavar: t.Optional[str] = "[OPTIONS]",
add_help_option: bool = True,
no_args_is_help: bool = False,
hidden: bool = False,
deprecated: bool = False,
) -> None:
super().__init__(name, context_settings)
#: the callback to execute when the command fires. This might be
#: `None` in which case nothing happens.
self.callback = callback
#: the list of parameters for this command in the order they
#: should show up in the help page and execute. Eager parameters
#: will automatically be handled before non eager ones.
self.params: t.List["Parameter"] = params or []
self.help = help
self.epilog = epilog
self.options_metavar = options_metavar
self.short_help = short_help
self.add_help_option = add_help_option
self.no_args_is_help = no_args_is_help
self.hidden = hidden
self.deprecated = deprecated
| (self, name: Optional[str], context_settings: Optional[MutableMapping[str, Any]] = None, callback: Optional[Callable[..., Any]] = None, params: Optional[List[asyncclick.core.Parameter]] = None, help: Optional[str] = None, epilog: Optional[str] = None, short_help: Optional[str] = None, options_metavar: Optional[str] = '[OPTIONS]', add_help_option: bool = True, no_args_is_help: bool = False, hidden: bool = False, deprecated: bool = False) -> NoneType |
9,324 | asyncclick.core | collect_usage_pieces | Returns all the pieces that go into the usage line and returns
it as a list of strings.
| def collect_usage_pieces(self, ctx: Context) -> t.List[str]:
"""Returns all the pieces that go into the usage line and returns
it as a list of strings.
"""
rv = [self.options_metavar] if self.options_metavar else []
for param in self.get_params(ctx):
rv.extend(param.get_usage_pieces(ctx))
return rv
| (self, ctx: asyncclick.core.Context) -> List[str] |
9,325 | asyncclick.core | format_epilog | Writes the epilog into the formatter if it exists. | def format_epilog(self, ctx: Context, formatter: HelpFormatter) -> None:
"""Writes the epilog into the formatter if it exists."""
if self.epilog:
epilog = inspect.cleandoc(self.epilog)
formatter.write_paragraph()
with formatter.indentation():
formatter.write_text(epilog)
| (self, ctx: asyncclick.core.Context, formatter: asyncclick.formatting.HelpFormatter) -> NoneType |
9,326 | asyncclick.core | format_help | Writes the help into the formatter if it exists.
This is a low-level method called by :meth:`get_help`.
This calls the following methods:
- :meth:`format_usage`
- :meth:`format_help_text`
- :meth:`format_options`
- :meth:`format_epilog`
| def format_help(self, ctx: Context, formatter: HelpFormatter) -> None:
"""Writes the help into the formatter if it exists.
This is a low-level method called by :meth:`get_help`.
This calls the following methods:
- :meth:`format_usage`
- :meth:`format_help_text`
- :meth:`format_options`
- :meth:`format_epilog`
"""
self.format_usage(ctx, formatter)
self.format_help_text(ctx, formatter)
self.format_options(ctx, formatter)
self.format_epilog(ctx, formatter)
| (self, ctx: asyncclick.core.Context, formatter: asyncclick.formatting.HelpFormatter) -> NoneType |
9,327 | asyncclick.core | format_help_text | Writes the help text to the formatter if it exists. | def format_help_text(self, ctx: Context, formatter: HelpFormatter) -> None:
"""Writes the help text to the formatter if it exists."""
if self.help is not None:
# truncate the help text to the first form feed
text = inspect.cleandoc(self.help).partition("\f")[0]
else:
text = ""
if self.deprecated:
text = _("(Deprecated) {text}").format(text=text)
if text:
formatter.write_paragraph()
with formatter.indentation():
formatter.write_text(text)
| (self, ctx: asyncclick.core.Context, formatter: asyncclick.formatting.HelpFormatter) -> NoneType |
9,328 | asyncclick.core | format_options | Writes all the options into the formatter if they exist. | def format_options(self, ctx: Context, formatter: HelpFormatter) -> None:
"""Writes all the options into the formatter if they exist."""
opts = []
for param in self.get_params(ctx):
rv = param.get_help_record(ctx)
if rv is not None:
opts.append(rv)
if opts:
with formatter.section(_("Options")):
formatter.write_dl(opts)
| (self, ctx: asyncclick.core.Context, formatter: asyncclick.formatting.HelpFormatter) -> NoneType |
9,329 | asyncclick.core | format_usage | Writes the usage line into the formatter.
This is a low-level method called by :meth:`get_usage`.
| def format_usage(self, ctx: Context, formatter: HelpFormatter) -> None:
"""Writes the usage line into the formatter.
This is a low-level method called by :meth:`get_usage`.
"""
pieces = self.collect_usage_pieces(ctx)
formatter.write_usage(ctx.command_path, " ".join(pieces))
| (self, ctx: asyncclick.core.Context, formatter: asyncclick.formatting.HelpFormatter) -> NoneType |
9,330 | asyncclick.core | get_help | Formats the help into a string and returns it.
Calls :meth:`format_help` internally.
| def get_help(self, ctx: Context) -> str:
"""Formats the help into a string and returns it.
Calls :meth:`format_help` internally.
"""
formatter = ctx.make_formatter()
self.format_help(ctx, formatter)
return formatter.getvalue().rstrip("\n")
| (self, ctx: asyncclick.core.Context) -> str |
9,331 | asyncclick.core | get_help_option | Returns the help option object. | def get_help_option(self, ctx: Context) -> t.Optional["Option"]:
"""Returns the help option object."""
help_options = self.get_help_option_names(ctx)
if not help_options or not self.add_help_option:
return None
def show_help(ctx: Context, param: "Parameter", value: str) -> None:
if value and not ctx.resilient_parsing:
echo(ctx.get_help(), color=ctx.color)
ctx.exit()
return Option(
help_options,
is_flag=True,
is_eager=True,
expose_value=False,
callback=show_help,
help=_("Show this message and exit."),
)
| (self, ctx: asyncclick.core.Context) -> Optional[asyncclick.core.Option] |
9,332 | asyncclick.core | get_help_option_names | Returns the names for the help option. | def get_help_option_names(self, ctx: Context) -> t.List[str]:
"""Returns the names for the help option."""
all_names = set(ctx.help_option_names)
for param in self.params:
all_names.difference_update(param.opts)
all_names.difference_update(param.secondary_opts)
return list(all_names)
| (self, ctx: asyncclick.core.Context) -> List[str] |
9,333 | asyncclick.core | get_params | null | def get_params(self, ctx: Context) -> t.List["Parameter"]:
rv = self.params
help_option = self.get_help_option(ctx)
if help_option is not None:
rv = [*rv, help_option]
return rv
| (self, ctx: asyncclick.core.Context) -> List[asyncclick.core.Parameter] |
9,334 | asyncclick.core | get_short_help_str | Gets short help for the command or makes it by shortening the
long help string.
| def get_short_help_str(self, limit: int = 45) -> str:
"""Gets short help for the command or makes it by shortening the
long help string.
"""
if self.short_help:
text = inspect.cleandoc(self.short_help)
elif self.help:
text = make_default_short_help(self.help, limit)
else:
text = ""
if self.deprecated:
text = _("(Deprecated) {text}").format(text=text)
return text.strip()
| (self, limit: int = 45) -> str |
9,335 | asyncclick.core | get_usage | Formats the usage line into a string and returns it.
Calls :meth:`format_usage` internally.
| def get_usage(self, ctx: Context) -> str:
"""Formats the usage line into a string and returns it.
Calls :meth:`format_usage` internally.
"""
formatter = ctx.make_formatter()
self.format_usage(ctx, formatter)
return formatter.getvalue().rstrip("\n")
| (self, ctx: asyncclick.core.Context) -> str |
9,336 | asyncclick.core | invoke | Given a context, this invokes the attached callback (if it exists)
in the right way.
| def format_epilog(self, ctx: Context, formatter: HelpFormatter) -> None:
"""Writes the epilog into the formatter if it exists."""
if self.epilog:
epilog = inspect.cleandoc(self.epilog)
formatter.write_paragraph()
with formatter.indentation():
formatter.write_text(epilog)
| (self, ctx: asyncclick.core.Context) -> Any |
9,339 | asyncclick.core | make_parser | Creates the underlying option parser for this command. | def make_parser(self, ctx: Context) -> OptionParser:
"""Creates the underlying option parser for this command."""
parser = OptionParser(ctx)
for param in self.get_params(ctx):
param.add_to_parser(parser, ctx)
return parser
| (self, ctx: asyncclick.core.Context) -> asyncclick.parser.OptionParser |
9,340 | asyncclick.core | parse_args | null | def format_epilog(self, ctx: Context, formatter: HelpFormatter) -> None:
"""Writes the epilog into the formatter if it exists."""
if self.epilog:
epilog = inspect.cleandoc(self.epilog)
formatter.write_paragraph()
with formatter.indentation():
formatter.write_text(epilog)
| (self, ctx: asyncclick.core.Context, args: List[str]) -> List[str] |
9,341 | asyncclick.core | shell_complete | Return a list of completions for the incomplete value. Looks
at the names of options and chained multi-commands.
:param ctx: Invocation context for this command.
:param incomplete: Value being completed. May be empty.
.. versionadded:: 8.0
| def shell_complete(self, ctx: Context, incomplete: str) -> t.List["CompletionItem"]:
"""Return a list of completions for the incomplete value. Looks
at the names of options and chained multi-commands.
:param ctx: Invocation context for this command.
:param incomplete: Value being completed. May be empty.
.. versionadded:: 8.0
"""
from .shell_completion import CompletionItem
results: t.List["CompletionItem"] = []
if incomplete and not incomplete[0].isalnum():
for param in self.get_params(ctx):
if (
not isinstance(param, Option)
or param.hidden
or (
not param.multiple
and ctx.get_parameter_source(param.name) # type: ignore
is ParameterSource.COMMANDLINE
)
):
continue
results.extend(
CompletionItem(name, help=param.help)
for name in [*param.opts, *param.secondary_opts]
if name.startswith(incomplete)
)
results.extend(super().shell_complete(ctx, incomplete))
return results
| (self, ctx: asyncclick.core.Context, incomplete: str) -> List[ForwardRef('CompletionItem')] |
9,343 | asyncclick.core | CommandCollection | A command collection is a multi command that merges multiple multi
commands together into one. This is a straightforward implementation
that accepts a list of different multi commands as sources and
provides all the commands for each of them.
See :class:`MultiCommand` and :class:`Command` for the description of
``name`` and ``attrs``.
| class CommandCollection(MultiCommand):
"""A command collection is a multi command that merges multiple multi
commands together into one. This is a straightforward implementation
that accepts a list of different multi commands as sources and
provides all the commands for each of them.
See :class:`MultiCommand` and :class:`Command` for the description of
``name`` and ``attrs``.
"""
def __init__(
self,
name: t.Optional[str] = None,
sources: t.Optional[t.List[MultiCommand]] = None,
**attrs: t.Any,
) -> None:
super().__init__(name, **attrs)
#: The list of registered multi commands.
self.sources: t.List[MultiCommand] = sources or []
def add_source(self, multi_cmd: MultiCommand) -> None:
"""Adds a new multi command to the chain dispatcher."""
self.sources.append(multi_cmd)
def get_command(self, ctx: Context, cmd_name: str) -> t.Optional[Command]:
for source in self.sources:
rv = source.get_command(ctx, cmd_name)
if rv is not None:
if self.chain:
_check_multicommand(self, cmd_name, rv)
return rv
return None
def list_commands(self, ctx: Context) -> t.List[str]:
rv: t.Set[str] = set()
for source in self.sources:
rv.update(source.list_commands(ctx))
return sorted(rv)
| (name: Optional[str] = None, sources: Optional[List[asyncclick.core.MultiCommand]] = None, **attrs: Any) -> None |
9,345 | asyncclick.core | __init__ | null | def __init__(
self,
name: t.Optional[str] = None,
sources: t.Optional[t.List[MultiCommand]] = None,
**attrs: t.Any,
) -> None:
super().__init__(name, **attrs)
#: The list of registered multi commands.
self.sources: t.List[MultiCommand] = sources or []
| (self, name: Optional[str] = None, sources: Optional[List[asyncclick.core.MultiCommand]] = None, **attrs: Any) -> NoneType |
9,349 | asyncclick.core | add_source | Adds a new multi command to the chain dispatcher. | def add_source(self, multi_cmd: MultiCommand) -> None:
"""Adds a new multi command to the chain dispatcher."""
self.sources.append(multi_cmd)
| (self, multi_cmd: asyncclick.core.MultiCommand) -> NoneType |
9,350 | asyncclick.core | collect_usage_pieces | null | def collect_usage_pieces(self, ctx: Context) -> t.List[str]:
rv = super().collect_usage_pieces(ctx)
rv.append(self.subcommand_metavar)
return rv
| (self, ctx: asyncclick.core.Context) -> List[str] |
9,351 | asyncclick.core | format_commands | Extra format methods for multi methods that adds all the commands
after the options.
| def format_commands(self, ctx: Context, formatter: HelpFormatter) -> None:
"""Extra format methods for multi methods that adds all the commands
after the options.
"""
commands = []
for subcommand in self.list_commands(ctx):
cmd = self.get_command(ctx, subcommand)
# What is this, the tool lied about a command. Ignore it
if cmd is None:
continue
if cmd.hidden:
continue
commands.append((subcommand, cmd))
# allow for 3 times the default spacing
if len(commands):
limit = formatter.width - 6 - max(len(cmd[0]) for cmd in commands)
rows = []
for subcommand, cmd in commands:
help = cmd.get_short_help_str(limit)
rows.append((subcommand, help))
if rows:
with formatter.section(_("Commands")):
formatter.write_dl(rows)
| (self, ctx: asyncclick.core.Context, formatter: asyncclick.formatting.HelpFormatter) -> NoneType |
9,355 | asyncclick.core | format_options | null | def format_options(self, ctx: Context, formatter: HelpFormatter) -> None:
super().format_options(ctx, formatter)
self.format_commands(ctx, formatter)
| (self, ctx: asyncclick.core.Context, formatter: asyncclick.formatting.HelpFormatter) -> NoneType |
9,357 | asyncclick.core | get_command | null | def get_command(self, ctx: Context, cmd_name: str) -> t.Optional[Command]:
for source in self.sources:
rv = source.get_command(ctx, cmd_name)
if rv is not None:
if self.chain:
_check_multicommand(self, cmd_name, rv)
return rv
return None
| (self, ctx: asyncclick.core.Context, cmd_name: str) -> Optional[asyncclick.core.Command] |
9,364 | asyncclick.core | invoke | null | def format_commands(self, ctx: Context, formatter: HelpFormatter) -> None:
"""Extra format methods for multi methods that adds all the commands
after the options.
"""
commands = []
for subcommand in self.list_commands(ctx):
cmd = self.get_command(ctx, subcommand)
# What is this, the tool lied about a command. Ignore it
if cmd is None:
continue
if cmd.hidden:
continue
commands.append((subcommand, cmd))
# allow for 3 times the default spacing
if len(commands):
limit = formatter.width - 6 - max(len(cmd[0]) for cmd in commands)
rows = []
for subcommand, cmd in commands:
help = cmd.get_short_help_str(limit)
rows.append((subcommand, help))
if rows:
with formatter.section(_("Commands")):
formatter.write_dl(rows)
| (self, ctx: asyncclick.core.Context) -> Any |
9,365 | asyncclick.core | list_commands | null | def list_commands(self, ctx: Context) -> t.List[str]:
rv: t.Set[str] = set()
for source in self.sources:
rv.update(source.list_commands(ctx))
return sorted(rv)
| (self, ctx: asyncclick.core.Context) -> List[str] |
9,371 | asyncclick.core | result_callback | Adds a result callback to the command. By default if a
result callback is already registered this will chain them but
this can be disabled with the `replace` parameter. The result
callback is invoked with the return value of the subcommand
(or the list of return values from all subcommands if chaining
is enabled) as well as the parameters as they would be passed
to the main callback.
Example::
@click.group()
@click.option('-i', '--input', default=23)
def cli(input):
return 42
@cli.result_callback()
def process_result(result, input):
return result + input
:param replace: if set to `True` an already existing result
callback will be removed.
.. versionchanged:: 8.0
Renamed from ``resultcallback``.
.. versionadded:: 3.0
| def result_callback(self, replace: bool = False) -> t.Callable[[F], F]:
"""Adds a result callback to the command. By default if a
result callback is already registered this will chain them but
this can be disabled with the `replace` parameter. The result
callback is invoked with the return value of the subcommand
(or the list of return values from all subcommands if chaining
is enabled) as well as the parameters as they would be passed
to the main callback.
Example::
@click.group()
@click.option('-i', '--input', default=23)
def cli(input):
return 42
@cli.result_callback()
def process_result(result, input):
return result + input
:param replace: if set to `True` an already existing result
callback will be removed.
.. versionchanged:: 8.0
Renamed from ``resultcallback``.
.. versionadded:: 3.0
"""
def decorator(f: F) -> F:
old_callback = self._result_callback
if old_callback is None or replace:
self._result_callback = f
return f
def function(__value, *args, **kwargs): # type: ignore
inner = old_callback(__value, *args, **kwargs)
return f(inner, *args, **kwargs)
self._result_callback = rv = update_wrapper(t.cast(F, function), f)
return rv
return decorator
| (self, replace: bool = False) -> Callable[[~F], ~F] |
9,372 | asyncclick.core | shell_complete | Return a list of completions for the incomplete value. Looks
at the names of options, subcommands, and chained
multi-commands.
:param ctx: Invocation context for this command.
:param incomplete: Value being completed. May be empty.
.. versionadded:: 8.0
| def shell_complete(self, ctx: Context, incomplete: str) -> t.List["CompletionItem"]:
"""Return a list of completions for the incomplete value. Looks
at the names of options, subcommands, and chained
multi-commands.
:param ctx: Invocation context for this command.
:param incomplete: Value being completed. May be empty.
.. versionadded:: 8.0
"""
from .shell_completion import CompletionItem
results = [
CompletionItem(name, help=command.get_short_help_str())
for name, command in _complete_visible_commands(ctx, incomplete)
]
results.extend(super().shell_complete(ctx, incomplete))
return results
| (self, ctx: asyncclick.core.Context, incomplete: str) -> List[ForwardRef('CompletionItem')] |
9,373 | asyncclick.core | to_info_dict | null | def __init__(
self,
name: t.Optional[str] = None,
invoke_without_command: bool = False,
no_args_is_help: t.Optional[bool] = None,
subcommand_metavar: t.Optional[str] = None,
chain: bool = False,
result_callback: t.Optional[t.Callable[..., t.Any]] = None,
**attrs: t.Any,
) -> None:
super().__init__(name, **attrs)
if no_args_is_help is None:
no_args_is_help = not invoke_without_command
self.no_args_is_help = no_args_is_help
self.invoke_without_command = invoke_without_command
if subcommand_metavar is None:
if chain:
subcommand_metavar = "COMMAND1 [ARGS]... [COMMAND2 [ARGS]...]..."
else:
subcommand_metavar = "COMMAND [ARGS]..."
self.subcommand_metavar = subcommand_metavar
self.chain = chain
# The result callback that is stored. This can be set or
# overridden with the :func:`result_callback` decorator.
self._result_callback = result_callback
if self.chain:
for param in self.params:
if isinstance(param, Argument) and not param.required:
raise RuntimeError(
"Multi commands in chain mode cannot have"
" optional arguments."
)
| (self, ctx: asyncclick.core.Context) -> Dict[str, Any] |
9,374 | asyncclick.core | Context | The context is a special internal object that holds state relevant
for the script execution at every single level. It's normally invisible
to commands unless they opt-in to getting access to it.
The context is useful as it can pass internal objects around and can
control special execution features such as reading data from
environment variables.
A context can be used as async context manager in which case it will
close any managed contexts, and call :meth:`close` on teardown.
:param command: the command class for this context.
:param parent: the parent context.
:param info_name: the info name for this invocation. Generally this
is the most descriptive name for the script or
command. For the toplevel script it is usually
the name of the script, for commands below it it's
the name of the script.
:param obj: an arbitrary object of user data.
:param auto_envvar_prefix: the prefix to use for automatic environment
variables. If this is `None` then reading
from environment variables is disabled. This
does not affect manually set environment
variables which are always read.
:param default_map: a dictionary (like object) with default values
for parameters.
:param terminal_width: the width of the terminal. The default is
inherit from parent context. If no context
defines the terminal width then auto
detection will be applied.
:param max_content_width: the maximum width for content rendered by
Click (this currently only affects help
pages). This defaults to 80 characters if
not overridden. In other words: even if the
terminal is larger than that, Click will not
format things wider than 80 characters by
default. In addition to that, formatters might
add some safety mapping on the right.
:param resilient_parsing: if this flag is enabled then Click will
parse without any interactivity or callback
invocation. Default values will also be
ignored. This is useful for implementing
things such as completion support.
:param allow_extra_args: if this is set to `True` then extra arguments
at the end will not raise an error and will be
kept on the context. The default is to inherit
from the command.
:param allow_interspersed_args: if this is set to `False` then options
and arguments cannot be mixed. The
default is to inherit from the command.
:param ignore_unknown_options: instructs click to ignore options it does
not know and keeps them for later
processing.
:param help_option_names: optionally a list of strings that define how
the default help parameter is named. The
default is ``['--help']``.
:param token_normalize_func: an optional function that is used to
normalize tokens (options, choices,
etc.). This for instance can be used to
implement case insensitive behavior.
:param color: controls if the terminal supports ANSI colors or not. The
default is autodetection. This is only needed if ANSI
codes are used in texts that Click prints which is by
default not the case. This for instance would affect
help output.
:param show_default: Show the default value for commands. If this
value is not set, it defaults to the value from the parent
context. ``Command.show_default`` overrides this default for the
specific command.
.. versionchanged:: 8.1
The ``show_default`` parameter is overridden by
``Command.show_default``, instead of the other way around.
.. versionchanged:: 8.0
The ``show_default`` parameter defaults to the value from the
parent context.
.. versionchanged:: 7.1
Added the ``show_default`` parameter.
.. versionchanged:: 4.0
Added the ``color``, ``ignore_unknown_options``, and
``max_content_width`` parameters.
.. versionchanged:: 3.0
Added the ``allow_extra_args`` and ``allow_interspersed_args``
parameters.
.. versionchanged:: 2.0
Added the ``resilient_parsing``, ``help_option_names``, and
``token_normalize_func`` parameters.
| class Context:
"""The context is a special internal object that holds state relevant
for the script execution at every single level. It's normally invisible
to commands unless they opt-in to getting access to it.
The context is useful as it can pass internal objects around and can
control special execution features such as reading data from
environment variables.
A context can be used as async context manager in which case it will
close any managed contexts, and call :meth:`close` on teardown.
:param command: the command class for this context.
:param parent: the parent context.
:param info_name: the info name for this invocation. Generally this
is the most descriptive name for the script or
command. For the toplevel script it is usually
the name of the script, for commands below it it's
the name of the script.
:param obj: an arbitrary object of user data.
:param auto_envvar_prefix: the prefix to use for automatic environment
variables. If this is `None` then reading
from environment variables is disabled. This
does not affect manually set environment
variables which are always read.
:param default_map: a dictionary (like object) with default values
for parameters.
:param terminal_width: the width of the terminal. The default is
inherit from parent context. If no context
defines the terminal width then auto
detection will be applied.
:param max_content_width: the maximum width for content rendered by
Click (this currently only affects help
pages). This defaults to 80 characters if
not overridden. In other words: even if the
terminal is larger than that, Click will not
format things wider than 80 characters by
default. In addition to that, formatters might
add some safety mapping on the right.
:param resilient_parsing: if this flag is enabled then Click will
parse without any interactivity or callback
invocation. Default values will also be
ignored. This is useful for implementing
things such as completion support.
:param allow_extra_args: if this is set to `True` then extra arguments
at the end will not raise an error and will be
kept on the context. The default is to inherit
from the command.
:param allow_interspersed_args: if this is set to `False` then options
and arguments cannot be mixed. The
default is to inherit from the command.
:param ignore_unknown_options: instructs click to ignore options it does
not know and keeps them for later
processing.
:param help_option_names: optionally a list of strings that define how
the default help parameter is named. The
default is ``['--help']``.
:param token_normalize_func: an optional function that is used to
normalize tokens (options, choices,
etc.). This for instance can be used to
implement case insensitive behavior.
:param color: controls if the terminal supports ANSI colors or not. The
default is autodetection. This is only needed if ANSI
codes are used in texts that Click prints which is by
default not the case. This for instance would affect
help output.
:param show_default: Show the default value for commands. If this
value is not set, it defaults to the value from the parent
context. ``Command.show_default`` overrides this default for the
specific command.
.. versionchanged:: 8.1
The ``show_default`` parameter is overridden by
``Command.show_default``, instead of the other way around.
.. versionchanged:: 8.0
The ``show_default`` parameter defaults to the value from the
parent context.
.. versionchanged:: 7.1
Added the ``show_default`` parameter.
.. versionchanged:: 4.0
Added the ``color``, ``ignore_unknown_options``, and
``max_content_width`` parameters.
.. versionchanged:: 3.0
Added the ``allow_extra_args`` and ``allow_interspersed_args``
parameters.
.. versionchanged:: 2.0
Added the ``resilient_parsing``, ``help_option_names``, and
``token_normalize_func`` parameters.
"""
#: The formatter class to create with :meth:`make_formatter`.
#:
#: .. versionadded:: 8.0
formatter_class: t.Type["HelpFormatter"] = HelpFormatter
_async_mgr: t.Optional[AsyncExitStack] = None
def __init__(
self,
command: "Command",
parent: t.Optional["Context"] = None,
info_name: t.Optional[str] = None,
obj: t.Optional[t.Any] = None,
auto_envvar_prefix: t.Optional[str] = None,
default_map: t.Optional[t.MutableMapping[str, t.Any]] = None,
terminal_width: t.Optional[int] = None,
max_content_width: t.Optional[int] = None,
resilient_parsing: bool = False,
allow_extra_args: t.Optional[bool] = None,
allow_interspersed_args: t.Optional[bool] = None,
ignore_unknown_options: t.Optional[bool] = None,
help_option_names: t.Optional[t.List[str]] = None,
token_normalize_func: t.Optional[t.Callable[[str], str]] = None,
color: t.Optional[bool] = None,
show_default: t.Optional[bool] = None,
) -> None:
#: the parent context or `None` if none exists.
self.parent = parent
#: the :class:`Command` for this context.
self.command = command
#: the descriptive information name
self.info_name = info_name
#: Map of parameter names to their parsed values. Parameters
#: with ``expose_value=False`` are not stored.
self.params: t.Dict[str, t.Any] = {}
#: the leftover arguments.
self.args: t.List[str] = []
#: protected arguments. These are arguments that are prepended
#: to `args` when certain parsing scenarios are encountered but
#: must be never propagated to another arguments. This is used
#: to implement nested parsing.
self.protected_args: t.List[str] = []
#: the collected prefixes of the command's options.
self._opt_prefixes: t.Set[str] = set(parent._opt_prefixes) if parent else set()
if obj is None and parent is not None:
obj = parent.obj
#: the user object stored.
self.obj: t.Any = obj
self._meta: t.Dict[str, t.Any] = getattr(parent, "meta", {})
#: A dictionary (-like object) with defaults for parameters.
if (
default_map is None
and info_name is not None
and parent is not None
and parent.default_map is not None
):
default_map = parent.default_map.get(info_name)
self.default_map: t.Optional[t.MutableMapping[str, t.Any]] = default_map
#: This flag indicates if a subcommand is going to be executed. A
#: group callback can use this information to figure out if it's
#: being executed directly or because the execution flow passes
#: onwards to a subcommand. By default it's None, but it can be
#: the name of the subcommand to execute.
#:
#: If chaining is enabled this will be set to ``'*'`` in case
#: any commands are executed. It is however not possible to
#: figure out which ones. If you require this knowledge you
#: should use a :func:`result_callback`.
self.invoked_subcommand: t.Optional[str] = None
if terminal_width is None and parent is not None:
terminal_width = parent.terminal_width
#: The width of the terminal (None is autodetection).
self.terminal_width: t.Optional[int] = terminal_width
if max_content_width is None and parent is not None:
max_content_width = parent.max_content_width
#: The maximum width of formatted content (None implies a sensible
#: default which is 80 for most things).
self.max_content_width: t.Optional[int] = max_content_width
if allow_extra_args is None:
allow_extra_args = command.allow_extra_args
#: Indicates if the context allows extra args or if it should
#: fail on parsing.
#:
#: .. versionadded:: 3.0
self.allow_extra_args = allow_extra_args
if allow_interspersed_args is None:
allow_interspersed_args = command.allow_interspersed_args
#: Indicates if the context allows mixing of arguments and
#: options or not.
#:
#: .. versionadded:: 3.0
self.allow_interspersed_args: bool = allow_interspersed_args
if ignore_unknown_options is None:
ignore_unknown_options = command.ignore_unknown_options
#: Instructs click to ignore options that a command does not
#: understand and will store it on the context for later
#: processing. This is primarily useful for situations where you
#: want to call into external programs. Generally this pattern is
#: strongly discouraged because it's not possibly to losslessly
#: forward all arguments.
#:
#: .. versionadded:: 4.0
self.ignore_unknown_options: bool = ignore_unknown_options
if help_option_names is None:
if parent is not None:
help_option_names = parent.help_option_names
else:
help_option_names = ["--help"]
#: The names for the help options.
self.help_option_names: t.List[str] = help_option_names
if token_normalize_func is None and parent is not None:
token_normalize_func = parent.token_normalize_func
#: An optional normalization function for tokens. This is
#: options, choices, commands etc.
self.token_normalize_func: t.Optional[
t.Callable[[str], str]
] = token_normalize_func
#: Indicates if resilient parsing is enabled. In that case Click
#: will do its best to not cause any failures and default values
#: will be ignored. Useful for completion.
self.resilient_parsing: bool = resilient_parsing
# If there is no envvar prefix yet, but the parent has one and
# the command on this level has a name, we can expand the envvar
# prefix automatically.
if auto_envvar_prefix is None:
if (
parent is not None
and parent.auto_envvar_prefix is not None
and self.info_name is not None
):
auto_envvar_prefix = (
f"{parent.auto_envvar_prefix}_{self.info_name.upper()}"
)
else:
auto_envvar_prefix = auto_envvar_prefix.upper()
if auto_envvar_prefix is not None:
auto_envvar_prefix = auto_envvar_prefix.replace("-", "_")
self.auto_envvar_prefix: t.Optional[str] = auto_envvar_prefix
if color is None and parent is not None:
color = parent.color
#: Controls if styling output is wanted or not.
self.color: t.Optional[bool] = color
if show_default is None and parent is not None:
show_default = parent.show_default
#: Show option default values when formatting help text.
self.show_default: t.Optional[bool] = show_default
self._close_callbacks: t.List[t.Callable[[], t.Any]] = []
self._depth = 0
self._parameter_source: t.Dict[str, ParameterSource] = {}
self._exit_stack = ExitStack()
async def to_info_dict(self) -> t.Dict[str, t.Any]:
"""Gather information that could be useful for a tool generating
user-facing documentation. This traverses the entire CLI
structure.
.. code-block:: python
with Context(cli) as ctx:
info = ctx.to_info_dict()
.. versionadded:: 8.0
"""
return {
"command": await self.command.to_info_dict(self),
"info_name": self.info_name,
"allow_extra_args": self.allow_extra_args,
"allow_interspersed_args": self.allow_interspersed_args,
"ignore_unknown_options": self.ignore_unknown_options,
"auto_envvar_prefix": self.auto_envvar_prefix,
}
async def __aenter__(self) -> "Context":
if self._async_mgr is None:
self._async_mgr = AsyncExitStack()
self._ctx_mgr = await self._async_mgr.__aenter__()
self._depth += 1
push_context(self)
return self
async def __aexit__(
self,
exc_type: t.Optional[t.Type[BaseException]],
exc_value: t.Optional[BaseException],
tb: t.Optional[TracebackType],
) -> None:
self._depth -= 1
if self._depth == 0:
await t.cast(t.AsyncContextManager[t.Any], self._async_mgr).__aexit__(exc_type, exc_value, tb)
self.close()
pop_context()
@asynccontextmanager
async def scope(self, cleanup: bool = True) -> t.AsyncIterator["Context"]:
"""This helper method can be used with the context object to promote
it to the current thread local (see :func:`get_current_context`).
The default behavior of this is to invoke the cleanup functions which
can be disabled by setting `cleanup` to `False`. The cleanup
functions are typically used for things such as closing file handles.
If the cleanup is intended the context object can also be directly
used as a context manager.
Example usage::
async with ctx.scope():
assert get_current_context() is ctx
This is equivalent::
async with ctx:
assert get_current_context() is ctx
.. versionadded:: 5.0
:param cleanup: controls if the cleanup functions should be run or
not. The default is to run these functions. In
some situations the context only wants to be
temporarily pushed in which case this can be disabled.
Nested pushes automatically defer the cleanup.
"""
if not cleanup:
self._depth += 1
try:
async with self as rv:
yield rv
finally:
if not cleanup:
self._depth -= 1
@property
def meta(self) -> t.Dict[str, t.Any]:
"""This is a dictionary which is shared with all the contexts
that are nested. It exists so that click utilities can store some
state here if they need to. It is however the responsibility of
that code to manage this dictionary well.
The keys are supposed to be unique dotted strings. For instance
module paths are a good choice for it. What is stored in there is
irrelevant for the operation of click. However what is important is
that code that places data here adheres to the general semantics of
the system.
Example usage::
LANG_KEY = f'{__name__}.lang'
def set_language(value):
ctx = get_current_context()
ctx.meta[LANG_KEY] = value
def get_language():
return get_current_context().meta.get(LANG_KEY, 'en_US')
.. versionadded:: 5.0
"""
return self._meta
def make_formatter(self) -> HelpFormatter:
"""Creates the :class:`~click.HelpFormatter` for the help and
usage output.
To quickly customize the formatter class used without overriding
this method, set the :attr:`formatter_class` attribute.
.. versionchanged:: 8.0
Added the :attr:`formatter_class` attribute.
"""
return self.formatter_class(
width=self.terminal_width, max_width=self.max_content_width
)
def with_resource(self, context_manager: t.ContextManager[V]) -> V:
"""Register a resource as if it were used in a ``with``
statement. The resource will be cleaned up when the context is
popped.
Uses :meth:`contextlib.ExitStack.enter_context`. It calls the
resource's ``__enter__()`` method and returns the result. When
the context is popped, it closes the stack, which calls the
resource's ``__exit__()`` method.
To register a cleanup function for something that isn't a
context manager, use :meth:`call_on_close`. Or use something
from :mod:`contextlib` to turn it into a context manager first.
.. code-block:: python
@click.group()
@click.option("--name")
@click.pass_context
def cli(ctx):
ctx.obj = ctx.with_resource(connect_db(name))
:param context_manager: The context manager to enter.
:return: Whatever ``context_manager.__enter__()`` returns.
.. versionadded:: 8.0
"""
return self._ctx_mgr.enter_context(context_manager)
def with_async_resource(self, context_manager: t.AsyncContextManager[V]) -> "t.Awaitable[V]":
"""Register a resource as if it were used in an ``async with``
statement. The resource will be cleaned up when the context is
popped.
Uses :meth:`contextlib.ExitStack.enter_context`. It calls the
resource's ``__enter__()`` method and returns the result. When
the context is popped, it closes the stack, which calls the
resource's ``__exit__()`` method.
To register a cleanup function for something that isn't a
context manager, use :meth:`call_on_close`. Or use something
from :mod:`contextlib` to turn it into a context manager first.
.. code-block:: python
@click.group()
@click.option("--name")
@click.pass_context
def cli(ctx):
ctx.obj = ctx.with_resource(connect_db(name))
:param context_manager: The context manager to enter.
:return: Whatever ``context_manager.__enter__()`` returns.
.. versionadded:: 8.0
"""
return self._ctx_mgr.enter_async_context(context_manager)
def call_on_close(self, f: t.Callable[..., t.Any]) -> t.Callable[..., t.Any]:
"""Register a function to be called when the context tears down.
This can be used to close resources opened during the script
execution. Resources that support Python's context manager
protocol which would be used in a ``with`` statement should be
registered with :meth:`with_resource` instead.
:param f: The function to execute on teardown.
"""
return self._exit_stack.callback(f)
def close(self) -> None:
"""Invoke all close callbacks registered with
:meth:`call_on_close`, and exit all context managers entered
with :meth:`with_resource`.
"""
self._exit_stack.close()
# In case the context is reused, create a new exit stack.
self._exit_stack = ExitStack()
@property
def command_path(self) -> str:
"""The computed command path. This is used for the ``usage``
information on the help page. It's automatically created by
combining the info names of the chain of contexts to the root.
"""
rv = ""
if self.info_name is not None:
rv = self.info_name
if self.parent is not None:
parent_command_path = [self.parent.command_path]
if isinstance(self.parent.command, Command):
for param in self.parent.command.get_params(self):
parent_command_path.extend(param.get_usage_pieces(self))
rv = f"{' '.join(parent_command_path)} {rv}"
return rv.lstrip()
def find_root(self) -> "Context":
"""Finds the outermost context."""
node = self
while node.parent is not None:
node = node.parent
return node
def find_object(self, object_type: t.Type[V]) -> t.Optional[V]:
"""Finds the closest object of a given type."""
node: t.Optional["Context"] = self
while node is not None:
if isinstance(node.obj, object_type):
return node.obj
node = node.parent
return None
def ensure_object(self, object_type: t.Type[V]) -> V:
"""Like :meth:`find_object` but sets the innermost object to a
new instance of `object_type` if it does not exist.
"""
rv = self.find_object(object_type)
if rv is None:
self.obj = rv = object_type()
return rv
@t.overload
def lookup_default(
self, name: str, call: "te.Literal[True]" = True
) -> t.Optional[t.Any]:
...
@t.overload
def lookup_default(
self, name: str, call: "te.Literal[False]" = ...
) -> t.Optional[t.Union[t.Any, t.Callable[[], t.Any]]]:
...
def lookup_default(self, name: str, call: bool = True) -> t.Optional[t.Any]:
"""Get the default for a parameter from :attr:`default_map`.
:param name: Name of the parameter.
:param call: If the default is a callable, call it. Disable to
return the callable instead.
.. versionchanged:: 8.0
Added the ``call`` parameter.
"""
if self.default_map is not None:
value = self.default_map.get(name)
if call and callable(value):
return value()
return value
return None
def fail(self, message: str) -> "te.NoReturn":
"""Aborts the execution of the program with a specific error
message.
:param message: the error message to fail with.
"""
raise UsageError(message, self)
def abort(self) -> "te.NoReturn":
"""Aborts the script."""
raise Abort()
def exit(self, code: int = 0) -> "te.NoReturn":
"""Exits the application with a given exit code."""
raise Exit(code)
def get_usage(self) -> str:
"""Helper method to get formatted usage string for the current
context and command.
"""
return self.command.get_usage(self)
def get_help(self) -> str:
"""Helper method to get formatted help page for the current
context and command.
"""
return self.command.get_help(self)
def _make_sub_context(self, command: "Command") -> "Context":
"""Create a new context of the same type as this context, but
for a new command.
:meta private:
"""
return type(self)(command, info_name=command.name, parent=self)
@t.overload
async def invoke(
__self, # noqa: B902
__callback: "t.Callable[..., V]",
*args: t.Any,
**kwargs: t.Any,
) -> V:
...
@t.overload
async def invoke(
__self, # noqa: B902
__callback: "Command",
*args: t.Any,
**kwargs: t.Any,
) -> t.Any:
...
async def invoke(
__self, # noqa: B902
__callback: t.Union["Command", "t.Callable[..., V]"],
*args: t.Any,
**kwargs: t.Any,
) -> t.Union[t.Any, V]:
"""Invokes a command callback in exactly the way it expects. There
are two ways to invoke this method:
1. the first argument can be a callback and all other arguments and
keyword arguments are forwarded directly to the function.
2. the first argument is a click command object. In that case all
arguments are forwarded as well but proper click parameters
(options and click arguments) must be keyword arguments and Click
will fill in defaults.
Note that before Click 3.2 keyword arguments were not properly filled
in against the intention of this code and no context was created. For
more information about this change and why it was done in a bugfix
release see :ref:`upgrade-to-3.2`.
.. versionchanged:: 8.0
All ``kwargs`` are tracked in :attr:`params` so they will be
passed if :meth:`forward` is called at multiple levels.
"""
if isinstance(__callback, Command):
other_cmd = __callback
if other_cmd.callback is None:
raise TypeError(
"The given command does not have a callback that can be invoked."
)
else:
__callback = t.cast("t.Callable[..., V]", other_cmd.callback)
ctx = __self._make_sub_context(other_cmd)
for param in other_cmd.params:
if param.name not in kwargs and param.expose_value:
kwargs[param.name] = param.type_cast_value( # type: ignore
ctx, param.get_default(ctx)
)
# Track all kwargs as params, so that forward() will pass
# them on in subsequent calls.
ctx.params.update(kwargs)
else:
ctx = __self
with augment_usage_errors(__self):
async with ctx:
rv = __callback(*args, **kwargs)
if iscoroutine(rv):
rv = await rv
return rv
async def forward(
__self, __cmd: "Command", *args: t.Any, **kwargs: t.Any # noqa: B902
) -> t.Any:
"""Similar to :meth:`invoke` but fills in default keyword
arguments from the current context if the other command expects
it. This cannot invoke callbacks directly, only other commands.
.. versionchanged:: 8.0
All ``kwargs`` are tracked in :attr:`params` so they will be
passed if ``forward`` is called at multiple levels.
"""
# Can only forward to other commands, not direct callbacks.
if not isinstance(__cmd, Command):
raise TypeError("Callback is not a command.")
for param in __self.params:
if param not in kwargs:
kwargs[param] = __self.params[param]
return await __self.invoke(__cmd, *args, **kwargs)
def set_parameter_source(self, name: str, source: ParameterSource) -> None:
"""Set the source of a parameter. This indicates the location
from which the value of the parameter was obtained.
:param name: The name of the parameter.
:param source: A member of :class:`~click.core.ParameterSource`.
"""
self._parameter_source[name] = source
def get_parameter_source(self, name: str) -> t.Optional[ParameterSource]:
"""Get the source of a parameter. This indicates the location
from which the value of the parameter was obtained.
This can be useful for determining when a user specified a value
on the command line that is the same as the default value. It
will be :attr:`~click.core.ParameterSource.DEFAULT` only if the
value was actually taken from the default.
:param name: The name of the parameter.
:rtype: ParameterSource
.. versionchanged:: 8.0
Returns ``None`` if the parameter was not provided from any
source.
"""
return self._parameter_source.get(name)
| (command: 'Command', parent: Optional[ForwardRef('Context')] = None, info_name: Optional[str] = None, obj: Optional[Any] = None, auto_envvar_prefix: Optional[str] = None, default_map: Optional[MutableMapping[str, Any]] = None, terminal_width: Optional[int] = None, max_content_width: Optional[int] = None, resilient_parsing: bool = False, allow_extra_args: Optional[bool] = None, allow_interspersed_args: Optional[bool] = None, ignore_unknown_options: Optional[bool] = None, help_option_names: Optional[List[str]] = None, token_normalize_func: Optional[Callable[[str], str]] = None, color: Optional[bool] = None, show_default: Optional[bool] = None) -> None |
9,375 | asyncclick.core | __aenter__ | null | def __init__(
self,
command: "Command",
parent: t.Optional["Context"] = None,
info_name: t.Optional[str] = None,
obj: t.Optional[t.Any] = None,
auto_envvar_prefix: t.Optional[str] = None,
default_map: t.Optional[t.MutableMapping[str, t.Any]] = None,
terminal_width: t.Optional[int] = None,
max_content_width: t.Optional[int] = None,
resilient_parsing: bool = False,
allow_extra_args: t.Optional[bool] = None,
allow_interspersed_args: t.Optional[bool] = None,
ignore_unknown_options: t.Optional[bool] = None,
help_option_names: t.Optional[t.List[str]] = None,
token_normalize_func: t.Optional[t.Callable[[str], str]] = None,
color: t.Optional[bool] = None,
show_default: t.Optional[bool] = None,
) -> None:
#: the parent context or `None` if none exists.
self.parent = parent
#: the :class:`Command` for this context.
self.command = command
#: the descriptive information name
self.info_name = info_name
#: Map of parameter names to their parsed values. Parameters
#: with ``expose_value=False`` are not stored.
self.params: t.Dict[str, t.Any] = {}
#: the leftover arguments.
self.args: t.List[str] = []
#: protected arguments. These are arguments that are prepended
#: to `args` when certain parsing scenarios are encountered but
#: must be never propagated to another arguments. This is used
#: to implement nested parsing.
self.protected_args: t.List[str] = []
#: the collected prefixes of the command's options.
self._opt_prefixes: t.Set[str] = set(parent._opt_prefixes) if parent else set()
if obj is None and parent is not None:
obj = parent.obj
#: the user object stored.
self.obj: t.Any = obj
self._meta: t.Dict[str, t.Any] = getattr(parent, "meta", {})
#: A dictionary (-like object) with defaults for parameters.
if (
default_map is None
and info_name is not None
and parent is not None
and parent.default_map is not None
):
default_map = parent.default_map.get(info_name)
self.default_map: t.Optional[t.MutableMapping[str, t.Any]] = default_map
#: This flag indicates if a subcommand is going to be executed. A
#: group callback can use this information to figure out if it's
#: being executed directly or because the execution flow passes
#: onwards to a subcommand. By default it's None, but it can be
#: the name of the subcommand to execute.
#:
#: If chaining is enabled this will be set to ``'*'`` in case
#: any commands are executed. It is however not possible to
#: figure out which ones. If you require this knowledge you
#: should use a :func:`result_callback`.
self.invoked_subcommand: t.Optional[str] = None
if terminal_width is None and parent is not None:
terminal_width = parent.terminal_width
#: The width of the terminal (None is autodetection).
self.terminal_width: t.Optional[int] = terminal_width
if max_content_width is None and parent is not None:
max_content_width = parent.max_content_width
#: The maximum width of formatted content (None implies a sensible
#: default which is 80 for most things).
self.max_content_width: t.Optional[int] = max_content_width
if allow_extra_args is None:
allow_extra_args = command.allow_extra_args
#: Indicates if the context allows extra args or if it should
#: fail on parsing.
#:
#: .. versionadded:: 3.0
self.allow_extra_args = allow_extra_args
if allow_interspersed_args is None:
allow_interspersed_args = command.allow_interspersed_args
#: Indicates if the context allows mixing of arguments and
#: options or not.
#:
#: .. versionadded:: 3.0
self.allow_interspersed_args: bool = allow_interspersed_args
if ignore_unknown_options is None:
ignore_unknown_options = command.ignore_unknown_options
#: Instructs click to ignore options that a command does not
#: understand and will store it on the context for later
#: processing. This is primarily useful for situations where you
#: want to call into external programs. Generally this pattern is
#: strongly discouraged because it's not possibly to losslessly
#: forward all arguments.
#:
#: .. versionadded:: 4.0
self.ignore_unknown_options: bool = ignore_unknown_options
if help_option_names is None:
if parent is not None:
help_option_names = parent.help_option_names
else:
help_option_names = ["--help"]
#: The names for the help options.
self.help_option_names: t.List[str] = help_option_names
if token_normalize_func is None and parent is not None:
token_normalize_func = parent.token_normalize_func
#: An optional normalization function for tokens. This is
#: options, choices, commands etc.
self.token_normalize_func: t.Optional[
t.Callable[[str], str]
] = token_normalize_func
#: Indicates if resilient parsing is enabled. In that case Click
#: will do its best to not cause any failures and default values
#: will be ignored. Useful for completion.
self.resilient_parsing: bool = resilient_parsing
# If there is no envvar prefix yet, but the parent has one and
# the command on this level has a name, we can expand the envvar
# prefix automatically.
if auto_envvar_prefix is None:
if (
parent is not None
and parent.auto_envvar_prefix is not None
and self.info_name is not None
):
auto_envvar_prefix = (
f"{parent.auto_envvar_prefix}_{self.info_name.upper()}"
)
else:
auto_envvar_prefix = auto_envvar_prefix.upper()
if auto_envvar_prefix is not None:
auto_envvar_prefix = auto_envvar_prefix.replace("-", "_")
self.auto_envvar_prefix: t.Optional[str] = auto_envvar_prefix
if color is None and parent is not None:
color = parent.color
#: Controls if styling output is wanted or not.
self.color: t.Optional[bool] = color
if show_default is None and parent is not None:
show_default = parent.show_default
#: Show option default values when formatting help text.
self.show_default: t.Optional[bool] = show_default
self._close_callbacks: t.List[t.Callable[[], t.Any]] = []
self._depth = 0
self._parameter_source: t.Dict[str, ParameterSource] = {}
self._exit_stack = ExitStack()
| (self) -> asyncclick.core.Context |
9,378 | asyncclick.core | _make_sub_context | Create a new context of the same type as this context, but
for a new command.
:meta private:
| def _make_sub_context(self, command: "Command") -> "Context":
"""Create a new context of the same type as this context, but
for a new command.
:meta private:
"""
return type(self)(command, info_name=command.name, parent=self)
| (self, command: asyncclick.core.Command) -> asyncclick.core.Context |
9,379 | asyncclick.core | abort | Aborts the script. | def abort(self) -> "te.NoReturn":
"""Aborts the script."""
raise Abort()
| (self) -> 'te.NoReturn' |
Subsets and Splits