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# Copyright (c) Microsoft Corporation. All rights reserved. | |
# Licensed under the MIT License. See LICENSE in the project root | |
# for license information. | |
from __future__ import annotations | |
import functools | |
import typing | |
from debugpy import _version | |
# Expose debugpy.server API from subpackage, but do not actually import it unless | |
# and until a member is invoked - we don't want the server package loaded in the | |
# adapter, the tests, or setup.py. | |
# Docstrings for public API members must be formatted according to PEP 8 - no more | |
# than 72 characters per line! - and must be readable when retrieved via help(). | |
Endpoint = typing.Tuple[str, int] | |
def _api(cancelable=False): | |
def apply(f): | |
def wrapper(*args, **kwargs): | |
from debugpy.server import api | |
wrapped = getattr(api, f.__name__) | |
return wrapped(*args, **kwargs) | |
if cancelable: | |
def cancel(*args, **kwargs): | |
from debugpy.server import api | |
wrapped = getattr(api, f.__name__) | |
return wrapped.cancel(*args, **kwargs) | |
wrapper.cancel = cancel | |
return wrapper | |
return apply | |
def log_to(__path: str) -> None: | |
"""Generate detailed debugpy logs in the specified directory. | |
The directory must already exist. Several log files are generated, | |
one for every process involved in the debug session. | |
""" | |
def configure(__properties: dict[str, typing.Any] | None = None, **kwargs) -> None: | |
"""Sets debug configuration properties that cannot be set in the | |
"attach" request, because they must be applied as early as possible | |
in the process being debugged. | |
For example, a "launch" configuration with subprocess debugging | |
disabled can be defined entirely in JSON:: | |
{ | |
"request": "launch", | |
"subProcess": false, | |
... | |
} | |
But the same cannot be done with "attach", because "subProcess" | |
must be known at the point debugpy starts tracing execution. Thus, | |
it is not available in JSON, and must be omitted:: | |
{ | |
"request": "attach", | |
... | |
} | |
and set from within the debugged process instead:: | |
debugpy.configure(subProcess=False) | |
debugpy.listen(...) | |
Properties to set can be passed either as a single dict argument, | |
or as separate keyword arguments:: | |
debugpy.configure({"subProcess": False}) | |
""" | |
def listen( | |
__endpoint: Endpoint | int, *, in_process_debug_adapter: bool = False | |
) -> Endpoint: | |
"""Starts a debug adapter debugging this process, that listens for | |
incoming socket connections from clients on the specified address. | |
`__endpoint` must be either a (host, port) tuple as defined by the | |
standard `socket` module for the `AF_INET` address family, or a port | |
number. If only the port is specified, host is "127.0.0.1". | |
`in_process_debug_adapter`: by default a separate python process is | |
spawned and used to communicate with the client as the debug adapter. | |
By setting the value of `in_process_debug_adapter` to True a new | |
python process is not spawned. Note: the con of setting | |
`in_process_debug_adapter` to True is that subprocesses won't be | |
automatically debugged. | |
Returns the interface and the port on which the debug adapter is | |
actually listening, in the same format as `__endpoint`. This may be | |
different from address if port was 0 in the latter, in which case | |
the adapter will pick some unused ephemeral port to listen on. | |
This function does't wait for a client to connect to the debug | |
adapter that it starts. Use `wait_for_client` to block execution | |
until the client connects. | |
""" | |
def connect(__endpoint: Endpoint | int, *, access_token: str | None = None) -> Endpoint: | |
"""Tells an existing debug adapter instance that is listening on the | |
specified address to debug this process. | |
`__endpoint` must be either a (host, port) tuple as defined by the | |
standard `socket` module for the `AF_INET` address family, or a port | |
number. If only the port is specified, host is "127.0.0.1". | |
`access_token` must be the same value that was passed to the adapter | |
via the `--server-access-token` command-line switch. | |
This function does't wait for a client to connect to the debug | |
adapter that it connects to. Use `wait_for_client` to block | |
execution until the client connects. | |
""" | |
def wait_for_client() -> None: | |
"""If there is a client connected to the debug adapter that is | |
debugging this process, returns immediately. Otherwise, blocks | |
until a client connects to the adapter. | |
While this function is waiting, it can be canceled by calling | |
`wait_for_client.cancel()` from another thread. | |
""" | |
def is_client_connected() -> bool: | |
"""True if a client is connected to the debug adapter that is | |
debugging this process. | |
""" | |
def breakpoint() -> None: | |
"""If a client is connected to the debug adapter that is debugging | |
this process, pauses execution of all threads, and simulates a | |
breakpoint being hit at the line following the call. | |
It is also registered as the default handler for builtins.breakpoint(). | |
""" | |
def debug_this_thread() -> None: | |
"""Makes the debugger aware of the current thread. | |
Must be called on any background thread that is started by means | |
other than the usual Python APIs (i.e. the "threading" module), | |
in order for breakpoints to work on that thread. | |
""" | |
def trace_this_thread(__should_trace: bool): | |
"""Tells the debug adapter to enable or disable tracing on the | |
current thread. | |
When the thread is traced, the debug adapter can detect breakpoints | |
being hit, but execution is slower, especially in functions that | |
have any breakpoints set in them. Disabling tracing when breakpoints | |
are not anticipated to be hit can improve performance. It can also | |
be used to skip breakpoints on a particular thread. | |
Tracing is automatically disabled for all threads when there is no | |
client connected to the debug adapter. | |
""" | |
__version__: str = _version.get_versions()["version"] | |