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6.09k
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parse_date | (value) | Parse one of the following date formats into a datetime object:
.. sourcecode:: text
Sun, 06 Nov 1994 08:49:37 GMT ; RFC 822, updated by RFC 1123
Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036
Sun Nov 6 08:49:37 1994 ; ANSI C's asctime() format
If parsing fails the return value is `None`.
:param value: a string with a supported date format.
:return: a :class:`datetime.datetime` object.
| Parse one of the following date formats into a datetime object: | def parse_date(value):
"""Parse one of the following date formats into a datetime object:
.. sourcecode:: text
Sun, 06 Nov 1994 08:49:37 GMT ; RFC 822, updated by RFC 1123
Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036
Sun Nov 6 08:49:37 1994 ; ANSI C's asctime() format
If parsing fails the return value is `None`.
:param value: a string with a supported date format.
:return: a :class:`datetime.datetime` object.
"""
if value:
t = parsedate_tz(value.strip())
if t is not None:
try:
year = t[0]
# unfortunately that function does not tell us if two digit
# years were part of the string, or if they were prefixed
# with two zeroes. So what we do is to assume that 69-99
# refer to 1900, and everything below to 2000
if year >= 0 and year <= 68:
year += 2000
elif year >= 69 and year <= 99:
year += 1900
return datetime(*((year,) + t[1:7])) - timedelta(seconds=t[-1] or 0)
except (ValueError, OverflowError):
return None | [
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_dump_date | (d, delim) | Used for `http_date` and `cookie_date`. | Used for `http_date` and `cookie_date`. | def _dump_date(d, delim):
"""Used for `http_date` and `cookie_date`."""
if d is None:
d = gmtime()
elif isinstance(d, datetime):
d = d.utctimetuple()
elif isinstance(d, (integer_types, float)):
d = gmtime(d)
return "%s, %02d%s%s%s%s %02d:%02d:%02d GMT" % (
("Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun")[d.tm_wday],
d.tm_mday,
delim,
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str(d.tm_year),
d.tm_hour,
d.tm_min,
d.tm_sec,
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842,
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cookie_date | (expires=None) | Formats the time to ensure compatibility with Netscape's cookie
standard.
Accepts a floating point number expressed in seconds since the epoch in, a
datetime object or a timetuple. All times in UTC. The :func:`parse_date`
function can be used to parse such a date.
Outputs a string in the format ``Wdy, DD-Mon-YYYY HH:MM:SS GMT``.
:param expires: If provided that date is used, otherwise the current.
| Formats the time to ensure compatibility with Netscape's cookie
standard. | def cookie_date(expires=None):
"""Formats the time to ensure compatibility with Netscape's cookie
standard.
Accepts a floating point number expressed in seconds since the epoch in, a
datetime object or a timetuple. All times in UTC. The :func:`parse_date`
function can be used to parse such a date.
Outputs a string in the format ``Wdy, DD-Mon-YYYY HH:MM:SS GMT``.
:param expires: If provided that date is used, otherwise the current.
"""
return _dump_date(expires, "-") | [
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http_date | (timestamp=None) | Formats the time to match the RFC1123 date format.
Accepts a floating point number expressed in seconds since the epoch in, a
datetime object or a timetuple. All times in UTC. The :func:`parse_date`
function can be used to parse such a date.
Outputs a string in the format ``Wdy, DD Mon YYYY HH:MM:SS GMT``.
:param timestamp: If provided that date is used, otherwise the current.
| Formats the time to match the RFC1123 date format. | def http_date(timestamp=None):
"""Formats the time to match the RFC1123 date format.
Accepts a floating point number expressed in seconds since the epoch in, a
datetime object or a timetuple. All times in UTC. The :func:`parse_date`
function can be used to parse such a date.
Outputs a string in the format ``Wdy, DD Mon YYYY HH:MM:SS GMT``.
:param timestamp: If provided that date is used, otherwise the current.
"""
return _dump_date(timestamp, " ") | [
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parse_age | (value=None) | Parses a base-10 integer count of seconds into a timedelta.
If parsing fails, the return value is `None`.
:param value: a string consisting of an integer represented in base-10
:return: a :class:`datetime.timedelta` object or `None`.
| Parses a base-10 integer count of seconds into a timedelta. | def parse_age(value=None):
"""Parses a base-10 integer count of seconds into a timedelta.
If parsing fails, the return value is `None`.
:param value: a string consisting of an integer represented in base-10
:return: a :class:`datetime.timedelta` object or `None`.
"""
if not value:
return None
try:
seconds = int(value)
except ValueError:
return None
if seconds < 0:
return None
try:
return timedelta(seconds=seconds)
except OverflowError:
return None | [
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dump_age | (age=None) | Formats the duration as a base-10 integer.
:param age: should be an integer number of seconds,
a :class:`datetime.timedelta` object, or,
if the age is unknown, `None` (default).
| Formats the duration as a base-10 integer. | def dump_age(age=None):
"""Formats the duration as a base-10 integer.
:param age: should be an integer number of seconds,
a :class:`datetime.timedelta` object, or,
if the age is unknown, `None` (default).
"""
if age is None:
return
if isinstance(age, timedelta):
# do the equivalent of Python 2.7's timedelta.total_seconds(),
# but disregarding fractional seconds
age = age.seconds + (age.days * 24 * 3600)
age = int(age)
if age < 0:
raise ValueError("age cannot be negative")
return str(age) | [
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is_resource_modified | (
environ, etag=None, data=None, last_modified=None, ignore_if_range=True
) | Convenience method for conditional requests.
:param environ: the WSGI environment of the request to be checked.
:param etag: the etag for the response for comparison.
:param data: or alternatively the data of the response to automatically
generate an etag using :func:`generate_etag`.
:param last_modified: an optional date of the last modification.
:param ignore_if_range: If `False`, `If-Range` header will be taken into
account.
:return: `True` if the resource was modified, otherwise `False`.
| Convenience method for conditional requests. | def is_resource_modified(
environ, etag=None, data=None, last_modified=None, ignore_if_range=True
):
"""Convenience method for conditional requests.
:param environ: the WSGI environment of the request to be checked.
:param etag: the etag for the response for comparison.
:param data: or alternatively the data of the response to automatically
generate an etag using :func:`generate_etag`.
:param last_modified: an optional date of the last modification.
:param ignore_if_range: If `False`, `If-Range` header will be taken into
account.
:return: `True` if the resource was modified, otherwise `False`.
"""
if etag is None and data is not None:
etag = generate_etag(data)
elif data is not None:
raise TypeError("both data and etag given")
if environ["REQUEST_METHOD"] not in ("GET", "HEAD"):
return False
unmodified = False
if isinstance(last_modified, string_types):
last_modified = parse_date(last_modified)
# ensure that microsecond is zero because the HTTP spec does not transmit
# that either and we might have some false positives. See issue #39
if last_modified is not None:
last_modified = last_modified.replace(microsecond=0)
if_range = None
if not ignore_if_range and "HTTP_RANGE" in environ:
# https://tools.ietf.org/html/rfc7233#section-3.2
# A server MUST ignore an If-Range header field received in a request
# that does not contain a Range header field.
if_range = parse_if_range_header(environ.get("HTTP_IF_RANGE"))
if if_range is not None and if_range.date is not None:
modified_since = if_range.date
else:
modified_since = parse_date(environ.get("HTTP_IF_MODIFIED_SINCE"))
if modified_since and last_modified and last_modified <= modified_since:
unmodified = True
if etag:
etag, _ = unquote_etag(etag)
if if_range is not None and if_range.etag is not None:
unmodified = parse_etags(if_range.etag).contains(etag)
else:
if_none_match = parse_etags(environ.get("HTTP_IF_NONE_MATCH"))
if if_none_match:
# https://tools.ietf.org/html/rfc7232#section-3.2
# "A recipient MUST use the weak comparison function when comparing
# entity-tags for If-None-Match"
unmodified = if_none_match.contains_weak(etag)
# https://tools.ietf.org/html/rfc7232#section-3.1
# "Origin server MUST use the strong comparison function when
# comparing entity-tags for If-Match"
if_match = parse_etags(environ.get("HTTP_IF_MATCH"))
if if_match:
unmodified = not if_match.is_strong(etag)
return not unmodified | [
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981,
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remove_entity_headers | (headers, allowed=("expires", "content-location")) | Remove all entity headers from a list or :class:`Headers` object. This
operation works in-place. `Expires` and `Content-Location` headers are
by default not removed. The reason for this is :rfc:`2616` section
10.3.5 which specifies some entity headers that should be sent.
.. versionchanged:: 0.5
added `allowed` parameter.
:param headers: a list or :class:`Headers` object.
:param allowed: a list of headers that should still be allowed even though
they are entity headers.
| Remove all entity headers from a list or :class:`Headers` object. This
operation works in-place. `Expires` and `Content-Location` headers are
by default not removed. The reason for this is :rfc:`2616` section
10.3.5 which specifies some entity headers that should be sent. | def remove_entity_headers(headers, allowed=("expires", "content-location")):
"""Remove all entity headers from a list or :class:`Headers` object. This
operation works in-place. `Expires` and `Content-Location` headers are
by default not removed. The reason for this is :rfc:`2616` section
10.3.5 which specifies some entity headers that should be sent.
.. versionchanged:: 0.5
added `allowed` parameter.
:param headers: a list or :class:`Headers` object.
:param allowed: a list of headers that should still be allowed even though
they are entity headers.
"""
allowed = set(x.lower() for x in allowed)
headers[:] = [
(key, value)
for key, value in headers
if not is_entity_header(key) or key.lower() in allowed
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1002,
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] | python | en | ['en', 'en', 'en'] | True |
remove_hop_by_hop_headers | (headers) | Remove all HTTP/1.1 "Hop-by-Hop" headers from a list or
:class:`Headers` object. This operation works in-place.
.. versionadded:: 0.5
:param headers: a list or :class:`Headers` object.
| Remove all HTTP/1.1 "Hop-by-Hop" headers from a list or
:class:`Headers` object. This operation works in-place. | def remove_hop_by_hop_headers(headers):
"""Remove all HTTP/1.1 "Hop-by-Hop" headers from a list or
:class:`Headers` object. This operation works in-place.
.. versionadded:: 0.5
:param headers: a list or :class:`Headers` object.
"""
headers[:] = [
(key, value) for key, value in headers if not is_hop_by_hop_header(key)
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is_entity_header | (header) | Check if a header is an entity header.
.. versionadded:: 0.5
:param header: the header to test.
:return: `True` if it's an entity header, `False` otherwise.
| Check if a header is an entity header. | def is_entity_header(header):
"""Check if a header is an entity header.
.. versionadded:: 0.5
:param header: the header to test.
:return: `True` if it's an entity header, `False` otherwise.
"""
return header.lower() in _entity_headers | [
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] | [
1018,
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] | [
1026,
44
] | python | en | ['en', 'en', 'en'] | True |
is_hop_by_hop_header | (header) | Check if a header is an HTTP/1.1 "Hop-by-Hop" header.
.. versionadded:: 0.5
:param header: the header to test.
:return: `True` if it's an HTTP/1.1 "Hop-by-Hop" header, `False` otherwise.
| Check if a header is an HTTP/1.1 "Hop-by-Hop" header. | def is_hop_by_hop_header(header):
"""Check if a header is an HTTP/1.1 "Hop-by-Hop" header.
.. versionadded:: 0.5
:param header: the header to test.
:return: `True` if it's an HTTP/1.1 "Hop-by-Hop" header, `False` otherwise.
"""
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] | [
1029,
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] | [
1037,
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] | python | en | ['en', 'en', 'en'] | True |
parse_cookie | (header, charset="utf-8", errors="replace", cls=None) | Parse a cookie. Either from a string or WSGI environ.
Per default encoding errors are ignored. If you want a different behavior
you can set `errors` to ``'replace'`` or ``'strict'``. In strict mode a
:exc:`HTTPUnicodeError` is raised.
.. versionchanged:: 0.5
This function now returns a :class:`TypeConversionDict` instead of a
regular dict. The `cls` parameter was added.
:param header: the header to be used to parse the cookie. Alternatively
this can be a WSGI environment.
:param charset: the charset for the cookie values.
:param errors: the error behavior for the charset decoding.
:param cls: an optional dict class to use. If this is not specified
or `None` the default :class:`TypeConversionDict` is
used.
| Parse a cookie. Either from a string or WSGI environ. | def parse_cookie(header, charset="utf-8", errors="replace", cls=None):
"""Parse a cookie. Either from a string or WSGI environ.
Per default encoding errors are ignored. If you want a different behavior
you can set `errors` to ``'replace'`` or ``'strict'``. In strict mode a
:exc:`HTTPUnicodeError` is raised.
.. versionchanged:: 0.5
This function now returns a :class:`TypeConversionDict` instead of a
regular dict. The `cls` parameter was added.
:param header: the header to be used to parse the cookie. Alternatively
this can be a WSGI environment.
:param charset: the charset for the cookie values.
:param errors: the error behavior for the charset decoding.
:param cls: an optional dict class to use. If this is not specified
or `None` the default :class:`TypeConversionDict` is
used.
"""
if isinstance(header, dict):
header = header.get("HTTP_COOKIE", "")
elif header is None:
header = ""
# If the value is an unicode string it's mangled through latin1. This
# is done because on PEP 3333 on Python 3 all headers are assumed latin1
# which however is incorrect for cookies, which are sent in page encoding.
# As a result we
if isinstance(header, text_type):
header = header.encode("latin1", "replace")
if cls is None:
cls = TypeConversionDict
def _parse_pairs():
for key, val in _cookie_parse_impl(header):
key = to_unicode(key, charset, errors, allow_none_charset=True)
if not key:
continue
val = to_unicode(val, charset, errors, allow_none_charset=True)
yield try_coerce_native(key), val
return cls(_parse_pairs()) | [
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dump_cookie | (
key,
value="",
max_age=None,
expires=None,
path="/",
domain=None,
secure=False,
httponly=False,
charset="utf-8",
sync_expires=True,
max_size=4093,
samesite=None,
) | Creates a new Set-Cookie header without the ``Set-Cookie`` prefix
The parameters are the same as in the cookie Morsel object in the
Python standard library but it accepts unicode data, too.
On Python 3 the return value of this function will be a unicode
string, on Python 2 it will be a native string. In both cases the
return value is usually restricted to ascii as the vast majority of
values are properly escaped, but that is no guarantee. If a unicode
string is returned it's tunneled through latin1 as required by
PEP 3333.
The return value is not ASCII safe if the key contains unicode
characters. This is technically against the specification but
happens in the wild. It's strongly recommended to not use
non-ASCII values for the keys.
:param max_age: should be a number of seconds, or `None` (default) if
the cookie should last only as long as the client's
browser session. Additionally `timedelta` objects
are accepted, too.
:param expires: should be a `datetime` object or unix timestamp.
:param path: limits the cookie to a given path, per default it will
span the whole domain.
:param domain: Use this if you want to set a cross-domain cookie. For
example, ``domain=".example.com"`` will set a cookie
that is readable by the domain ``www.example.com``,
``foo.example.com`` etc. Otherwise, a cookie will only
be readable by the domain that set it.
:param secure: The cookie will only be available via HTTPS
:param httponly: disallow JavaScript to access the cookie. This is an
extension to the cookie standard and probably not
supported by all browsers.
:param charset: the encoding for unicode values.
:param sync_expires: automatically set expires if max_age is defined
but expires not.
:param max_size: Warn if the final header value exceeds this size. The
default, 4093, should be safely `supported by most browsers
<cookie_>`_. Set to 0 to disable this check.
:param samesite: Limits the scope of the cookie such that it will only
be attached to requests if those requests are "same-site".
.. _`cookie`: http://browsercookielimits.squawky.net/
| Creates a new Set-Cookie header without the ``Set-Cookie`` prefix
The parameters are the same as in the cookie Morsel object in the
Python standard library but it accepts unicode data, too. | def dump_cookie(
key,
value="",
max_age=None,
expires=None,
path="/",
domain=None,
secure=False,
httponly=False,
charset="utf-8",
sync_expires=True,
max_size=4093,
samesite=None,
):
"""Creates a new Set-Cookie header without the ``Set-Cookie`` prefix
The parameters are the same as in the cookie Morsel object in the
Python standard library but it accepts unicode data, too.
On Python 3 the return value of this function will be a unicode
string, on Python 2 it will be a native string. In both cases the
return value is usually restricted to ascii as the vast majority of
values are properly escaped, but that is no guarantee. If a unicode
string is returned it's tunneled through latin1 as required by
PEP 3333.
The return value is not ASCII safe if the key contains unicode
characters. This is technically against the specification but
happens in the wild. It's strongly recommended to not use
non-ASCII values for the keys.
:param max_age: should be a number of seconds, or `None` (default) if
the cookie should last only as long as the client's
browser session. Additionally `timedelta` objects
are accepted, too.
:param expires: should be a `datetime` object or unix timestamp.
:param path: limits the cookie to a given path, per default it will
span the whole domain.
:param domain: Use this if you want to set a cross-domain cookie. For
example, ``domain=".example.com"`` will set a cookie
that is readable by the domain ``www.example.com``,
``foo.example.com`` etc. Otherwise, a cookie will only
be readable by the domain that set it.
:param secure: The cookie will only be available via HTTPS
:param httponly: disallow JavaScript to access the cookie. This is an
extension to the cookie standard and probably not
supported by all browsers.
:param charset: the encoding for unicode values.
:param sync_expires: automatically set expires if max_age is defined
but expires not.
:param max_size: Warn if the final header value exceeds this size. The
default, 4093, should be safely `supported by most browsers
<cookie_>`_. Set to 0 to disable this check.
:param samesite: Limits the scope of the cookie such that it will only
be attached to requests if those requests are "same-site".
.. _`cookie`: http://browsercookielimits.squawky.net/
"""
key = to_bytes(key, charset)
value = to_bytes(value, charset)
if path is not None:
from .urls import iri_to_uri
path = iri_to_uri(path, charset)
domain = _make_cookie_domain(domain)
if isinstance(max_age, timedelta):
max_age = (max_age.days * 60 * 60 * 24) + max_age.seconds
if expires is not None:
if not isinstance(expires, string_types):
expires = cookie_date(expires)
elif max_age is not None and sync_expires:
expires = to_bytes(cookie_date(time() + max_age))
samesite = samesite.title() if samesite else None
if samesite not in ("Strict", "Lax", None):
raise ValueError("invalid SameSite value; must be 'Strict', 'Lax' or None")
buf = [key + b"=" + _cookie_quote(value)]
# XXX: In theory all of these parameters that are not marked with `None`
# should be quoted. Because stdlib did not quote it before I did not
# want to introduce quoting there now.
for k, v, q in (
(b"Domain", domain, True),
(b"Expires", expires, False),
(b"Max-Age", max_age, False),
(b"Secure", secure, None),
(b"HttpOnly", httponly, None),
(b"Path", path, False),
(b"SameSite", samesite, False),
):
if q is None:
if v:
buf.append(k)
continue
if v is None:
continue
tmp = bytearray(k)
if not isinstance(v, (bytes, bytearray)):
v = to_bytes(text_type(v), charset)
if q:
v = _cookie_quote(v)
tmp += b"=" + v
buf.append(bytes(tmp))
# The return value will be an incorrectly encoded latin1 header on
# Python 3 for consistency with the headers object and a bytestring
# on Python 2 because that's how the API makes more sense.
rv = b"; ".join(buf)
if not PY2:
rv = rv.decode("latin1")
# Warn if the final value of the cookie is less than the limit. If the
# cookie is too large, then it may be silently ignored, which can be quite
# hard to debug.
cookie_size = len(rv)
if max_size and cookie_size > max_size:
value_size = len(value)
warnings.warn(
'The "{key}" cookie is too large: the value was {value_size} bytes'
" but the header required {extra_size} extra bytes. The final size"
" was {cookie_size} bytes but the limit is {max_size} bytes."
" Browsers may silently ignore cookies larger than this.".format(
key=key,
value_size=value_size,
extra_size=cookie_size - value_size,
cookie_size=cookie_size,
max_size=max_size,
),
stacklevel=2,
)
return rv | [
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1085,
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1220,
13
] | python | en | ['en', 'en', 'en'] | True |
is_byte_range_valid | (start, stop, length) | Checks if a given byte content range is valid for the given length.
.. versionadded:: 0.7
| Checks if a given byte content range is valid for the given length. | def is_byte_range_valid(start, stop, length):
"""Checks if a given byte content range is valid for the given length.
.. versionadded:: 0.7
"""
if (start is None) != (stop is None):
return False
elif start is None:
return length is None or length >= 0
elif length is None:
return 0 <= start < stop
elif start >= stop:
return False
return 0 <= start < length | [
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OracleGeometryColumns.table_name_col | (cls) |
Return the name of the metadata column used to store the feature table
name.
|
Return the name of the metadata column used to store the feature table
name.
| def table_name_col(cls):
"""
Return the name of the metadata column used to store the feature table
name.
"""
return 'table_name' | [
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34,
27
] | python | en | ['en', 'error', 'th'] | False |
OracleGeometryColumns.geom_col_name | (cls) |
Return the name of the metadata column used to store the feature
geometry column.
|
Return the name of the metadata column used to store the feature
geometry column.
| def geom_col_name(cls):
"""
Return the name of the metadata column used to store the feature
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"""
return 'column_name' | [
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install_editable | (
install_options, # type: List[str]
global_options, # type: Sequence[str]
prefix, # type: Optional[str]
home, # type: Optional[str]
use_user_site, # type: bool
name, # type: str
setup_py_path, # type: str
isolated, # type: bool
build_env, # type: BuildEnvironment
unpacked_source_directory, # type: str
) | Install a package in editable mode. Most arguments are pass-through
to setuptools.
| Install a package in editable mode. Most arguments are pass-through
to setuptools.
| def install_editable(
install_options, # type: List[str]
global_options, # type: Sequence[str]
prefix, # type: Optional[str]
home, # type: Optional[str]
use_user_site, # type: bool
name, # type: str
setup_py_path, # type: str
isolated, # type: bool
build_env, # type: BuildEnvironment
unpacked_source_directory, # type: str
):
# type: (...) -> None
"""Install a package in editable mode. Most arguments are pass-through
to setuptools.
"""
logger.info('Running setup.py develop for %s', name)
args = make_setuptools_develop_args(
setup_py_path,
global_options=global_options,
install_options=install_options,
no_user_config=isolated,
prefix=prefix,
home=home,
use_user_site=use_user_site,
)
with indent_log():
with build_env:
call_subprocess(
args,
cwd=unpacked_source_directory,
) | [
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] | [
13,
0
] | [
46,
13
] | python | en | ['en', 'en', 'en'] | True |
_dnsname_match | (dn, hostname, max_wildcards=1) | Matching according to RFC 6125, section 6.4.3
http://tools.ietf.org/html/rfc6125#section-6.4.3
| Matching according to RFC 6125, section 6.4.3 | def _dnsname_match(dn, hostname, max_wildcards=1):
"""Matching according to RFC 6125, section 6.4.3
http://tools.ietf.org/html/rfc6125#section-6.4.3
"""
pats = []
if not dn:
return False
# Ported from python3-syntax:
# leftmost, *remainder = dn.split(r'.')
parts = dn.split(r".")
leftmost = parts[0]
remainder = parts[1:]
wildcards = leftmost.count("*")
if wildcards > max_wildcards:
# Issue #17980: avoid denials of service by refusing more
# than one wildcard per fragment. A survey of established
# policy among SSL implementations showed it to be a
# reasonable choice.
raise CertificateError(
"too many wildcards in certificate DNS name: " + repr(dn)
)
# speed up common case w/o wildcards
if not wildcards:
return dn.lower() == hostname.lower()
# RFC 6125, section 6.4.3, subitem 1.
# The client SHOULD NOT attempt to match a presented identifier in which
# the wildcard character comprises a label other than the left-most label.
if leftmost == "*":
# When '*' is a fragment by itself, it matches a non-empty dotless
# fragment.
pats.append("[^.]+")
elif leftmost.startswith("xn--") or hostname.startswith("xn--"):
# RFC 6125, section 6.4.3, subitem 3.
# The client SHOULD NOT attempt to match a presented identifier
# where the wildcard character is embedded within an A-label or
# U-label of an internationalized domain name.
pats.append(re.escape(leftmost))
else:
# Otherwise, '*' matches any dotless string, e.g. www*
pats.append(re.escape(leftmost).replace(r"\*", "[^.]*"))
# add the remaining fragments, ignore any wildcards
for frag in remainder:
pats.append(re.escape(frag))
pat = re.compile(r"\A" + r"\.".join(pats) + r"\Z", re.IGNORECASE)
return pat.match(hostname) | [
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] | [
24,
0
] | [
75,
30
] | python | en | ['en', 'en', 'en'] | True |
_ipaddress_match | (ipname, host_ip) | Exact matching of IP addresses.
RFC 6125 explicitly doesn't define an algorithm for this
(section 1.7.2 - "Out of Scope").
| Exact matching of IP addresses. | def _ipaddress_match(ipname, host_ip):
"""Exact matching of IP addresses.
RFC 6125 explicitly doesn't define an algorithm for this
(section 1.7.2 - "Out of Scope").
"""
# OpenSSL may add a trailing newline to a subjectAltName's IP address
# Divergence from upstream: ipaddress can't handle byte str
ip = ipaddress.ip_address(_to_unicode(ipname).rstrip())
return ip == host_ip | [
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] | [
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] | [
93,
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] | python | en | ['en', 'sn', 'en'] | True |
match_hostname | (cert, hostname) | Verify that *cert* (in decoded format as returned by
SSLSocket.getpeercert()) matches the *hostname*. RFC 2818 and RFC 6125
rules are followed, but IP addresses are not accepted for *hostname*.
CertificateError is raised on failure. On success, the function
returns nothing.
| Verify that *cert* (in decoded format as returned by
SSLSocket.getpeercert()) matches the *hostname*. RFC 2818 and RFC 6125
rules are followed, but IP addresses are not accepted for *hostname*. | def match_hostname(cert, hostname):
"""Verify that *cert* (in decoded format as returned by
SSLSocket.getpeercert()) matches the *hostname*. RFC 2818 and RFC 6125
rules are followed, but IP addresses are not accepted for *hostname*.
CertificateError is raised on failure. On success, the function
returns nothing.
"""
if not cert:
raise ValueError(
"empty or no certificate, match_hostname needs a "
"SSL socket or SSL context with either "
"CERT_OPTIONAL or CERT_REQUIRED"
)
try:
# Divergence from upstream: ipaddress can't handle byte str
host_ip = ipaddress.ip_address(_to_unicode(hostname))
except ValueError:
# Not an IP address (common case)
host_ip = None
except UnicodeError:
# Divergence from upstream: Have to deal with ipaddress not taking
# byte strings. addresses should be all ascii, so we consider it not
# an ipaddress in this case
host_ip = None
except AttributeError:
# Divergence from upstream: Make ipaddress library optional
if ipaddress is None:
host_ip = None
else:
raise
dnsnames = []
san = cert.get("subjectAltName", ())
for key, value in san:
if key == "DNS":
if host_ip is None and _dnsname_match(value, hostname):
return
dnsnames.append(value)
elif key == "IP Address":
if host_ip is not None and _ipaddress_match(value, host_ip):
return
dnsnames.append(value)
if not dnsnames:
# The subject is only checked when there is no dNSName entry
# in subjectAltName
for sub in cert.get("subject", ()):
for key, value in sub:
# XXX according to RFC 2818, the most specific Common Name
# must be used.
if key == "commonName":
if _dnsname_match(value, hostname):
return
dnsnames.append(value)
if len(dnsnames) > 1:
raise CertificateError(
"hostname %r "
"doesn't match either of %s" % (hostname, ", ".join(map(repr, dnsnames)))
)
elif len(dnsnames) == 1:
raise CertificateError("hostname %r doesn't match %r" % (hostname, dnsnames[0]))
else:
raise CertificateError(
"no appropriate commonName or subjectAltName fields were found"
) | [
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] | [
96,
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] | [
159,
9
] | python | en | ['en', 'en', 'en'] | True |
vary_on_headers | (*headers) |
A view decorator that adds the specified headers to the Vary header of the
response. Usage:
@vary_on_headers('Cookie', 'Accept-language')
def index(request):
...
Note that the header names are not case-sensitive.
|
A view decorator that adds the specified headers to the Vary header of the
response. Usage: | def vary_on_headers(*headers):
"""
A view decorator that adds the specified headers to the Vary header of the
response. Usage:
@vary_on_headers('Cookie', 'Accept-language')
def index(request):
...
Note that the header names are not case-sensitive.
"""
def decorator(func):
@wraps(func)
def inner_func(*args, **kwargs):
response = func(*args, **kwargs)
patch_vary_headers(response, headers)
return response
return inner_func
return decorator | [
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23,
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] | python | en | ['en', 'error', 'th'] | False |
vary_on_cookie | (func) |
A view decorator that adds "Cookie" to the Vary header of a response. This
indicates that a page's contents depends on cookies. Usage:
@vary_on_cookie
def index(request):
...
|
A view decorator that adds "Cookie" to the Vary header of a response. This
indicates that a page's contents depends on cookies. Usage: | def vary_on_cookie(func):
"""
A view decorator that adds "Cookie" to the Vary header of a response. This
indicates that a page's contents depends on cookies. Usage:
@vary_on_cookie
def index(request):
...
"""
@wraps(func)
def inner_func(*args, **kwargs):
response = func(*args, **kwargs)
patch_vary_headers(response, ('Cookie',))
return response
return inner_func | [
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command_btc | (bot, user, channel, args) | Display current BTC exchange rates from mtgox.
Usage: btc [<currencycode>...]. | Display current BTC exchange rates from mtgox.
Usage: btc [<currencycode>...]. | def command_btc(bot, user, channel, args):
"""Display current BTC exchange rates from mtgox.
Usage: btc [<currencycode>...]."""
currencies = ["EUR"]
if args:
currencies = args.split()
return bot.say(channel, get_coin_value(bot, "BTC", currencies)) | [
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_SendRecv | () | Communicate with the Developer Shell server socket. | Communicate with the Developer Shell server socket. | def _SendRecv():
"""Communicate with the Developer Shell server socket."""
port = int(os.getenv(DEVSHELL_ENV, 0))
if port == 0:
raise NoDevshellServer()
sock = socket.socket()
sock.connect(('localhost', port))
data = CREDENTIAL_INFO_REQUEST_JSON
msg = '{0}\n{1}'.format(len(data), data)
sock.sendall(_helpers._to_bytes(msg, encoding='utf-8'))
header = sock.recv(6).decode()
if '\n' not in header:
raise CommunicationError('saw no newline in the first 6 bytes')
len_str, json_str = header.split('\n', 1)
to_read = int(len_str) - len(json_str)
if to_read > 0:
json_str += sock.recv(to_read, socket.MSG_WAITALL).decode()
return CredentialInfoResponse(json_str) | [
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93,
43
] | python | en | ['en', 'no', 'en'] | True |
CredentialInfoResponse.__init__ | (self, json_string) | Initialize the response data from JSON PBLite array. | Initialize the response data from JSON PBLite array. | def __init__(self, json_string):
"""Initialize the response data from JSON PBLite array."""
pbl = json.loads(json_string)
if not isinstance(pbl, list):
raise ValueError('Not a list: ' + str(pbl))
pbl_len = len(pbl)
self.user_email = pbl[0] if pbl_len > 0 else None
self.project_id = pbl[1] if pbl_len > 1 else None
self.access_token = pbl[2] if pbl_len > 2 else None
self.expires_in = pbl[3] if pbl_len > 3 else None | [
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59,
4
] | [
68,
57
] | python | en | ['en', 'en', 'en'] | True |
DevshellCredentials._refresh | (self, http) | Refreshes the access token.
Args:
http: unused HTTP object
| Refreshes the access token. | def _refresh(self, http):
"""Refreshes the access token.
Args:
http: unused HTTP object
"""
self.devshell_response = _SendRecv()
self.access_token = self.devshell_response.access_token
expires_in = self.devshell_response.expires_in
if expires_in is not None:
delta = datetime.timedelta(seconds=expires_in)
self.token_expiry = client._UTCNOW() + delta
else:
self.token_expiry = None | [
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120,
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133,
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] | python | en | ['en', 'en', 'en'] | True |
hello_monkey | () | Respond to incoming calls with a simple text message. | Respond to incoming calls with a simple text message. | def hello_monkey():
"""Respond to incoming calls with a simple text message."""
resp = MessagingResponse()
msg = Message()\
.body("Hello, Mobile Monkey")\
.media("https://demo.twilio.com/owl.png")
resp.append(msg)
return str(resp)
if __name__ == "__main__":
app.run(debug=True) | [
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] | python | en | ['en', 'en', 'en'] | True |
Config.from_envvar | (self, variable_name, silent=False) | Loads a configuration from an environment variable pointing to
a configuration file. This is basically just a shortcut with nicer
error messages for this line of code::
app.config.from_pyfile(os.environ['YOURAPPLICATION_SETTINGS'])
:param variable_name: name of the environment variable
:param silent: set to ``True`` if you want silent failure for missing
files.
:return: bool. ``True`` if able to load config, ``False`` otherwise.
| Loads a configuration from an environment variable pointing to
a configuration file. This is basically just a shortcut with nicer
error messages for this line of code:: | def from_envvar(self, variable_name, silent=False):
"""Loads a configuration from an environment variable pointing to
a configuration file. This is basically just a shortcut with nicer
error messages for this line of code::
app.config.from_pyfile(os.environ['YOURAPPLICATION_SETTINGS'])
:param variable_name: name of the environment variable
:param silent: set to ``True`` if you want silent failure for missing
files.
:return: bool. ``True`` if able to load config, ``False`` otherwise.
"""
rv = os.environ.get(variable_name)
if not rv:
if silent:
return False
raise RuntimeError('The environment variable %r is not set '
'and as such configuration could not be '
'loaded. Set this variable and make it '
'point to a configuration file' %
variable_name)
return self.from_pyfile(rv, silent=silent) | [
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108,
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] | python | en | ['en', 'en', 'en'] | True |
Config.from_pyfile | (self, filename, silent=False) | Updates the values in the config from a Python file. This function
behaves as if the file was imported as module with the
:meth:`from_object` function.
:param filename: the filename of the config. This can either be an
absolute filename or a filename relative to the
root path.
:param silent: set to ``True`` if you want silent failure for missing
files.
.. versionadded:: 0.7
`silent` parameter.
| Updates the values in the config from a Python file. This function
behaves as if the file was imported as module with the
:meth:`from_object` function. | def from_pyfile(self, filename, silent=False):
"""Updates the values in the config from a Python file. This function
behaves as if the file was imported as module with the
:meth:`from_object` function.
:param filename: the filename of the config. This can either be an
absolute filename or a filename relative to the
root path.
:param silent: set to ``True`` if you want silent failure for missing
files.
.. versionadded:: 0.7
`silent` parameter.
"""
filename = os.path.join(self.root_path, filename)
d = types.ModuleType('config')
d.__file__ = filename
try:
with open(filename, mode='rb') as config_file:
exec(compile(config_file.read(), filename, 'exec'), d.__dict__)
except IOError as e:
if silent and e.errno in (errno.ENOENT, errno.EISDIR):
return False
e.strerror = 'Unable to load configuration file (%s)' % e.strerror
raise
self.from_object(d)
return True | [
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] | [
136,
19
] | python | en | ['en', 'en', 'en'] | True |
Config.from_object | (self, obj) | Updates the values from the given object. An object can be of one
of the following two types:
- a string: in this case the object with that name will be imported
- an actual object reference: that object is used directly
Objects are usually either modules or classes. :meth:`from_object`
loads only the uppercase attributes of the module/class. A ``dict``
object will not work with :meth:`from_object` because the keys of a
``dict`` are not attributes of the ``dict`` class.
Example of module-based configuration::
app.config.from_object('yourapplication.default_config')
from yourapplication import default_config
app.config.from_object(default_config)
You should not use this function to load the actual configuration but
rather configuration defaults. The actual config should be loaded
with :meth:`from_pyfile` and ideally from a location not within the
package because the package might be installed system wide.
See :ref:`config-dev-prod` for an example of class-based configuration
using :meth:`from_object`.
:param obj: an import name or object
| Updates the values from the given object. An object can be of one
of the following two types: | def from_object(self, obj):
"""Updates the values from the given object. An object can be of one
of the following two types:
- a string: in this case the object with that name will be imported
- an actual object reference: that object is used directly
Objects are usually either modules or classes. :meth:`from_object`
loads only the uppercase attributes of the module/class. A ``dict``
object will not work with :meth:`from_object` because the keys of a
``dict`` are not attributes of the ``dict`` class.
Example of module-based configuration::
app.config.from_object('yourapplication.default_config')
from yourapplication import default_config
app.config.from_object(default_config)
You should not use this function to load the actual configuration but
rather configuration defaults. The actual config should be loaded
with :meth:`from_pyfile` and ideally from a location not within the
package because the package might be installed system wide.
See :ref:`config-dev-prod` for an example of class-based configuration
using :meth:`from_object`.
:param obj: an import name or object
"""
if isinstance(obj, string_types):
obj = import_string(obj)
for key in dir(obj):
if key.isupper():
self[key] = getattr(obj, key) | [
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170,
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] | python | en | ['en', 'en', 'en'] | True |
Config.from_json | (self, filename, silent=False) | Updates the values in the config from a JSON file. This function
behaves as if the JSON object was a dictionary and passed to the
:meth:`from_mapping` function.
:param filename: the filename of the JSON file. This can either be an
absolute filename or a filename relative to the
root path.
:param silent: set to ``True`` if you want silent failure for missing
files.
.. versionadded:: 0.11
| Updates the values in the config from a JSON file. This function
behaves as if the JSON object was a dictionary and passed to the
:meth:`from_mapping` function. | def from_json(self, filename, silent=False):
"""Updates the values in the config from a JSON file. This function
behaves as if the JSON object was a dictionary and passed to the
:meth:`from_mapping` function.
:param filename: the filename of the JSON file. This can either be an
absolute filename or a filename relative to the
root path.
:param silent: set to ``True`` if you want silent failure for missing
files.
.. versionadded:: 0.11
"""
filename = os.path.join(self.root_path, filename)
try:
with open(filename) as json_file:
obj = json.loads(json_file.read())
except IOError as e:
if silent and e.errno in (errno.ENOENT, errno.EISDIR):
return False
e.strerror = 'Unable to load configuration file (%s)' % e.strerror
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return self.from_mapping(obj) | [
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] | python | en | ['en', 'en', 'en'] | True |
Config.from_mapping | (self, *mapping, **kwargs) | Updates the config like :meth:`update` ignoring items with non-upper
keys.
.. versionadded:: 0.11
| Updates the config like :meth:`update` ignoring items with non-upper
keys. | def from_mapping(self, *mapping, **kwargs):
"""Updates the config like :meth:`update` ignoring items with non-upper
keys.
.. versionadded:: 0.11
"""
mappings = []
if len(mapping) == 1:
if hasattr(mapping[0], 'items'):
mappings.append(mapping[0].items())
else:
mappings.append(mapping[0])
elif len(mapping) > 1:
raise TypeError(
'expected at most 1 positional argument, got %d' % len(mapping)
)
mappings.append(kwargs.items())
for mapping in mappings:
for (key, value) in mapping:
if key.isupper():
self[key] = value
return True | [
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] | python | en | ['en', 'en', 'en'] | True |
Config.get_namespace | (self, namespace, lowercase=True, trim_namespace=True) | Returns a dictionary containing a subset of configuration options
that match the specified namespace/prefix. Example usage::
app.config['IMAGE_STORE_TYPE'] = 'fs'
app.config['IMAGE_STORE_PATH'] = '/var/app/images'
app.config['IMAGE_STORE_BASE_URL'] = 'http://img.website.com'
image_store_config = app.config.get_namespace('IMAGE_STORE_')
The resulting dictionary `image_store_config` would look like::
{
'type': 'fs',
'path': '/var/app/images',
'base_url': 'http://img.website.com'
}
This is often useful when configuration options map directly to
keyword arguments in functions or class constructors.
:param namespace: a configuration namespace
:param lowercase: a flag indicating if the keys of the resulting
dictionary should be lowercase
:param trim_namespace: a flag indicating if the keys of the resulting
dictionary should not include the namespace
.. versionadded:: 0.11
| Returns a dictionary containing a subset of configuration options
that match the specified namespace/prefix. Example usage:: | def get_namespace(self, namespace, lowercase=True, trim_namespace=True):
"""Returns a dictionary containing a subset of configuration options
that match the specified namespace/prefix. Example usage::
app.config['IMAGE_STORE_TYPE'] = 'fs'
app.config['IMAGE_STORE_PATH'] = '/var/app/images'
app.config['IMAGE_STORE_BASE_URL'] = 'http://img.website.com'
image_store_config = app.config.get_namespace('IMAGE_STORE_')
The resulting dictionary `image_store_config` would look like::
{
'type': 'fs',
'path': '/var/app/images',
'base_url': 'http://img.website.com'
}
This is often useful when configuration options map directly to
keyword arguments in functions or class constructors.
:param namespace: a configuration namespace
:param lowercase: a flag indicating if the keys of the resulting
dictionary should be lowercase
:param trim_namespace: a flag indicating if the keys of the resulting
dictionary should not include the namespace
.. versionadded:: 0.11
"""
rv = {}
for k, v in iteritems(self):
if not k.startswith(namespace):
continue
if trim_namespace:
key = k[len(namespace):]
else:
key = k
if lowercase:
key = key.lower()
rv[key] = v
return rv | [
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] | python | en | ['en', 'en', 'en'] | True |
get_capability_token | () | Respond to incoming requests. | Respond to incoming requests. | def get_capability_token():
"""Respond to incoming requests."""
# Find these values at twilio.com/console
# To set up environmental variables, see http://twil.io/secure
account_sid = os.environ['TWILIO_ACCOUNT_SID']
auth_token = os.environ['TWILIO_AUTH_TOKEN']
capability = ClientCapabilityToken(account_sid, auth_token)
# Twilio Application Sid
application_sid = 'APXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX'
capability.allow_client_outgoing(application_sid)
capability.allow_client_incoming('joey')
token = capability.to_jwt()
return Response(token, mimetype='application/jwt') | [
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] | python | en | ['en', 'en', 'en'] | True |
Composable.as_string | (self, context) |
Return the string value of the object.
:param context: the context to evaluate the string into.
:type context: `connection` or `cursor`
The method is automatically invoked by `~cursor.execute()`,
`~cursor.executemany()`, `~cursor.copy_expert()` if a `!Composable` is
passed instead of the query string.
|
Return the string value of the object. | def as_string(self, context):
"""
Return the string value of the object.
:param context: the context to evaluate the string into.
:type context: `connection` or `cursor`
The method is automatically invoked by `~cursor.execute()`,
`~cursor.executemany()`, `~cursor.copy_expert()` if a `!Composable` is
passed instead of the query string.
"""
raise NotImplementedError | [
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65,
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] | python | en | ['en', 'error', 'th'] | False |
Composed.seq | (self) | The list of the content of the `!Composed`. | The list of the content of the `!Composed`. | def seq(self):
"""The list of the content of the `!Composed`."""
return list(self._wrapped) | [
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116,
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] | python | en | ['en', 'en', 'en'] | True |
Composed.join | (self, joiner) |
Return a new `!Composed` interposing the *joiner* with the `!Composed` items.
The *joiner* must be a `SQL` or a string which will be interpreted as
an `SQL`.
Example::
>>> fields = sql.Identifier('foo') + sql.Identifier('bar') # a Composed
>>> print(fields.join(', ').as_string(conn))
"foo", "bar"
|
Return a new `!Composed` interposing the *joiner* with the `!Composed` items. | def join(self, joiner):
"""
Return a new `!Composed` interposing the *joiner* with the `!Composed` items.
The *joiner* must be a `SQL` or a string which will be interpreted as
an `SQL`.
Example::
>>> fields = sql.Identifier('foo') + sql.Identifier('bar') # a Composed
>>> print(fields.join(', ').as_string(conn))
"foo", "bar"
"""
if isinstance(joiner, str):
joiner = SQL(joiner)
elif not isinstance(joiner, SQL):
raise TypeError(
"Composed.join() argument must be a string or an SQL")
return joiner.join(self) | [
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135,
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] | [
155,
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] | python | en | ['en', 'error', 'th'] | False |
SQL.string | (self) | The string wrapped by the `!SQL` object. | The string wrapped by the `!SQL` object. | def string(self):
"""The string wrapped by the `!SQL` object."""
return self._wrapped | [
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SQL.format | (self, *args, **kwargs) |
Merge `Composable` objects into a template.
:param `Composable` args: parameters to replace to numbered
(``{0}``, ``{1}``) or auto-numbered (``{}``) placeholders
:param `Composable` kwargs: parameters to replace to named (``{name}``)
placeholders
:return: the union of the `!SQL` string with placeholders replaced
:rtype: `Composed`
The method is similar to the Python `str.format()` method: the string
template supports auto-numbered (``{}``), numbered (``{0}``,
``{1}``...), and named placeholders (``{name}``), with positional
arguments replacing the numbered placeholders and keywords replacing
the named ones. However placeholder modifiers (``{0!r}``, ``{0:<10}``)
are not supported. Only `!Composable` objects can be passed to the
template.
Example::
>>> print(sql.SQL("select * from {} where {} = %s")
... .format(sql.Identifier('people'), sql.Identifier('id'))
... .as_string(conn))
select * from "people" where "id" = %s
>>> print(sql.SQL("select * from {tbl} where {pkey} = %s")
... .format(tbl=sql.Identifier('people'), pkey=sql.Identifier('id'))
... .as_string(conn))
select * from "people" where "id" = %s
|
Merge `Composable` objects into a template. | def format(self, *args, **kwargs):
"""
Merge `Composable` objects into a template.
:param `Composable` args: parameters to replace to numbered
(``{0}``, ``{1}``) or auto-numbered (``{}``) placeholders
:param `Composable` kwargs: parameters to replace to named (``{name}``)
placeholders
:return: the union of the `!SQL` string with placeholders replaced
:rtype: `Composed`
The method is similar to the Python `str.format()` method: the string
template supports auto-numbered (``{}``), numbered (``{0}``,
``{1}``...), and named placeholders (``{name}``), with positional
arguments replacing the numbered placeholders and keywords replacing
the named ones. However placeholder modifiers (``{0!r}``, ``{0:<10}``)
are not supported. Only `!Composable` objects can be passed to the
template.
Example::
>>> print(sql.SQL("select * from {} where {} = %s")
... .format(sql.Identifier('people'), sql.Identifier('id'))
... .as_string(conn))
select * from "people" where "id" = %s
>>> print(sql.SQL("select * from {tbl} where {pkey} = %s")
... .format(tbl=sql.Identifier('people'), pkey=sql.Identifier('id'))
... .as_string(conn))
select * from "people" where "id" = %s
"""
rv = []
autonum = 0
for pre, name, spec, conv in _formatter.parse(self._wrapped):
if spec:
raise ValueError("no format specification supported by SQL")
if conv:
raise ValueError("no format conversion supported by SQL")
if pre:
rv.append(SQL(pre))
if name is None:
continue
if name.isdigit():
if autonum:
raise ValueError(
"cannot switch from automatic field numbering to manual")
rv.append(args[int(name)])
autonum = None
elif not name:
if autonum is None:
raise ValueError(
"cannot switch from manual field numbering to automatic")
rv.append(args[autonum])
autonum += 1
else:
rv.append(kwargs[name])
return Composed(rv) | [
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193,
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] | [
255,
27
] | python | en | ['en', 'error', 'th'] | False |
SQL.join | (self, seq) |
Join a sequence of `Composable`.
:param seq: the elements to join.
:type seq: iterable of `!Composable`
Use the `!SQL` object's *string* to separate the elements in *seq*.
Note that `Composed` objects are iterable too, so they can be used as
argument for this method.
Example::
>>> snip = sql.SQL(', ').join(
... sql.Identifier(n) for n in ['foo', 'bar', 'baz'])
>>> print(snip.as_string(conn))
"foo", "bar", "baz"
|
Join a sequence of `Composable`. | def join(self, seq):
"""
Join a sequence of `Composable`.
:param seq: the elements to join.
:type seq: iterable of `!Composable`
Use the `!SQL` object's *string* to separate the elements in *seq*.
Note that `Composed` objects are iterable too, so they can be used as
argument for this method.
Example::
>>> snip = sql.SQL(', ').join(
... sql.Identifier(n) for n in ['foo', 'bar', 'baz'])
>>> print(snip.as_string(conn))
"foo", "bar", "baz"
"""
rv = []
it = iter(seq)
try:
rv.append(next(it))
except StopIteration:
pass
else:
for i in it:
rv.append(self)
rv.append(i)
return Composed(rv) | [
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] | python | en | ['en', 'error', 'th'] | False |
Identifier.strings | (self) | A tuple with the strings wrapped by the `Identifier`. | A tuple with the strings wrapped by the `Identifier`. | def strings(self):
"""A tuple with the strings wrapped by the `Identifier`."""
return self._wrapped | [
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Identifier.string | (self) | The string wrapped by the `Identifier`.
| The string wrapped by the `Identifier`.
| def string(self):
"""The string wrapped by the `Identifier`.
"""
if len(self._wrapped) == 1:
return self._wrapped[0]
else:
raise AttributeError(
"the Identifier wraps more than one than one string") | [
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Literal.wrapped | (self) | The object wrapped by the `!Literal`. | The object wrapped by the `!Literal`. | def wrapped(self):
"""The object wrapped by the `!Literal`."""
return self._wrapped | [
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Placeholder.name | (self) | The name of the `!Placeholder`. | The name of the `!Placeholder`. | def name(self):
"""The name of the `!Placeholder`."""
return self._wrapped | [
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LogFormatter.__init__ | (self, color=True, datefmt=None) | r"""
:arg bool color: Enables color support.
:arg string fmt: Log message format.
It will be applied to the attributes dict of log records. The
text between ``%(color)s`` and ``%(end_color)s`` will be colored
depending on the level if color support is on.
:arg dict colors: color mappings from logging level to terminal color
code
:arg string datefmt: Datetime format.
Used for formatting ``(asctime)`` placeholder in ``prefix_fmt``.
.. versionchanged:: 3.2
Added ``fmt`` and ``datefmt`` arguments.
| r"""
:arg bool color: Enables color support.
:arg string fmt: Log message format.
It will be applied to the attributes dict of log records. The
text between ``%(color)s`` and ``%(end_color)s`` will be colored
depending on the level if color support is on.
:arg dict colors: color mappings from logging level to terminal color
code
:arg string datefmt: Datetime format.
Used for formatting ``(asctime)`` placeholder in ``prefix_fmt``.
.. versionchanged:: 3.2
Added ``fmt`` and ``datefmt`` arguments.
| def __init__(self, color=True, datefmt=None):
r"""
:arg bool color: Enables color support.
:arg string fmt: Log message format.
It will be applied to the attributes dict of log records. The
text between ``%(color)s`` and ``%(end_color)s`` will be colored
depending on the level if color support is on.
:arg dict colors: color mappings from logging level to terminal color
code
:arg string datefmt: Datetime format.
Used for formatting ``(asctime)`` placeholder in ``prefix_fmt``.
.. versionchanged:: 3.2
Added ``fmt`` and ``datefmt`` arguments.
"""
logging.Formatter.__init__(self, datefmt=datefmt)
self._colors = {}
if color and _stderr_supports_color():
# The curses module has some str/bytes confusion in
# python3. Until version 3.2.3, most methods return
# bytes, but only accept strings. In addition, we want to
# output these strings with the logging module, which
# works with unicode strings. The explicit calls to
# unicode() below are harmless in python2 but will do the
# right conversion in python 3.
fg_color = (curses.tigetstr("setaf") or
curses.tigetstr("setf") or "")
if (3, 0) < sys.version_info < (3, 2, 3):
fg_color = str(fg_color, "ascii")
for levelno, code in self.DEFAULT_COLORS.items():
self._colors[levelno] = str(
curses.tparm(fg_color, code), "ascii")
self._normal = str(curses.tigetstr("sgr0"), "ascii")
scr = curses.initscr()
self.termwidth = scr.getmaxyx()[1]
curses.endwin()
else:
self._normal = ''
# Default width is usually 80, but too wide is
# worse than too narrow
self.termwidth = 70 | [
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90,
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] | python | cy | ['en', 'cy', 'hi'] | False |
get_token | (h: torch.tensor, x: torch.tensor, token: int) | Get specific token embedding (e.g. [CLS]) | Get specific token embedding (e.g. [CLS]) | def get_token(h: torch.tensor, x: torch.tensor, token: int):
""" Get specific token embedding (e.g. [CLS]) """
emb_size = h.shape[-1]
token_h = h.view(-1, emb_size)
flat = x.contiguous().view(-1)
# get contextualized embedding of given token
token_h = token_h[flat == token, :]
return token_h | [
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_best_version | (fields) | Detect the best version depending on the fields used. | Detect the best version depending on the fields used. | def _best_version(fields):
"""Detect the best version depending on the fields used."""
def _has_marker(keys, markers):
for marker in markers:
if marker in keys:
return True
return False
keys = []
for key, value in fields.items():
if value in ([], 'UNKNOWN', None):
continue
keys.append(key)
possible_versions = ['1.0', '1.1', '1.2', '1.3', '2.0', '2.1']
# first let's try to see if a field is not part of one of the version
for key in keys:
if key not in _241_FIELDS and '1.0' in possible_versions:
possible_versions.remove('1.0')
logger.debug('Removed 1.0 due to %s', key)
if key not in _314_FIELDS and '1.1' in possible_versions:
possible_versions.remove('1.1')
logger.debug('Removed 1.1 due to %s', key)
if key not in _345_FIELDS and '1.2' in possible_versions:
possible_versions.remove('1.2')
logger.debug('Removed 1.2 due to %s', key)
if key not in _566_FIELDS and '1.3' in possible_versions:
possible_versions.remove('1.3')
logger.debug('Removed 1.3 due to %s', key)
if key not in _566_FIELDS and '2.1' in possible_versions:
if key != 'Description': # In 2.1, description allowed after headers
possible_versions.remove('2.1')
logger.debug('Removed 2.1 due to %s', key)
if key not in _426_FIELDS and '2.0' in possible_versions:
possible_versions.remove('2.0')
logger.debug('Removed 2.0 due to %s', key)
# possible_version contains qualified versions
if len(possible_versions) == 1:
return possible_versions[0] # found !
elif len(possible_versions) == 0:
logger.debug('Out of options - unknown metadata set: %s', fields)
raise MetadataConflictError('Unknown metadata set')
# let's see if one unique marker is found
is_1_1 = '1.1' in possible_versions and _has_marker(keys, _314_MARKERS)
is_1_2 = '1.2' in possible_versions and _has_marker(keys, _345_MARKERS)
is_2_1 = '2.1' in possible_versions and _has_marker(keys, _566_MARKERS)
is_2_0 = '2.0' in possible_versions and _has_marker(keys, _426_MARKERS)
if int(is_1_1) + int(is_1_2) + int(is_2_1) + int(is_2_0) > 1:
raise MetadataConflictError('You used incompatible 1.1/1.2/2.0/2.1 fields')
# we have the choice, 1.0, or 1.2, or 2.0
# - 1.0 has a broken Summary field but works with all tools
# - 1.1 is to avoid
# - 1.2 fixes Summary but has little adoption
# - 2.0 adds more features and is very new
if not is_1_1 and not is_1_2 and not is_2_1 and not is_2_0:
# we couldn't find any specific marker
if PKG_INFO_PREFERRED_VERSION in possible_versions:
return PKG_INFO_PREFERRED_VERSION
if is_1_1:
return '1.1'
if is_1_2:
return '1.2'
if is_2_1:
return '2.1'
return '2.0' | [
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127,
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196,
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] | python | en | ['en', 'en', 'en'] | True |
_get_name_and_version | (name, version, for_filename=False) | Return the distribution name with version.
If for_filename is true, return a filename-escaped form. | Return the distribution name with version. | def _get_name_and_version(name, version, for_filename=False):
"""Return the distribution name with version.
If for_filename is true, return a filename-escaped form."""
if for_filename:
# For both name and version any runs of non-alphanumeric or '.'
# characters are replaced with a single '-'. Additionally any
# spaces in the version string become '.'
name = _FILESAFE.sub('-', name)
version = _FILESAFE.sub('-', version.replace(' ', '.'))
return '%s-%s' % (name, version) | [
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LegacyMetadata.get_fullname | (self, filesafe=False) | Return the distribution name with version.
If filesafe is true, return a filename-escaped form. | Return the distribution name with version. | def get_fullname(self, filesafe=False):
"""Return the distribution name with version.
If filesafe is true, return a filename-escaped form."""
return _get_name_and_version(self['Name'], self['Version'], filesafe) | [
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LegacyMetadata.is_field | (self, name) | return True if name is a valid metadata key | return True if name is a valid metadata key | def is_field(self, name):
"""return True if name is a valid metadata key"""
name = self._convert_name(name)
return name in _ALL_FIELDS | [
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LegacyMetadata.read | (self, filepath) | Read the metadata values from a file path. | Read the metadata values from a file path. | def read(self, filepath):
"""Read the metadata values from a file path."""
fp = codecs.open(filepath, 'r', encoding='utf-8')
try:
self.read_file(fp)
finally:
fp.close() | [
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LegacyMetadata.read_file | (self, fileob) | Read the metadata values from a file object. | Read the metadata values from a file object. | def read_file(self, fileob):
"""Read the metadata values from a file object."""
msg = message_from_file(fileob)
self._fields['Metadata-Version'] = msg['metadata-version']
# When reading, get all the fields we can
for field in _ALL_FIELDS:
if field not in msg:
continue
if field in _LISTFIELDS:
# we can have multiple lines
values = msg.get_all(field)
if field in _LISTTUPLEFIELDS and values is not None:
values = [tuple(value.split(',')) for value in values]
self.set(field, values)
else:
# single line
value = msg[field]
if value is not None and value != 'UNKNOWN':
self.set(field, value)
# PEP 566 specifies that the body be used for the description, if
# available
body = msg.get_payload()
self["Description"] = body if body else self["Description"] | [
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363,
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LegacyMetadata.write | (self, filepath, skip_unknown=False) | Write the metadata fields to filepath. | Write the metadata fields to filepath. | def write(self, filepath, skip_unknown=False):
"""Write the metadata fields to filepath."""
fp = codecs.open(filepath, 'w', encoding='utf-8')
try:
self.write_file(fp, skip_unknown)
finally:
fp.close() | [
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LegacyMetadata.write_file | (self, fileobject, skip_unknown=False) | Write the PKG-INFO format data to a file object. | Write the PKG-INFO format data to a file object. | def write_file(self, fileobject, skip_unknown=False):
"""Write the PKG-INFO format data to a file object."""
self.set_metadata_version()
for field in _version2fieldlist(self['Metadata-Version']):
values = self.get(field)
if skip_unknown and values in ('UNKNOWN', [], ['UNKNOWN']):
continue
if field in _ELEMENTSFIELD:
self._write_field(fileobject, field, ','.join(values))
continue
if field not in _LISTFIELDS:
if field == 'Description':
if self.metadata_version in ('1.0', '1.1'):
values = values.replace('\n', '\n ')
else:
values = values.replace('\n', '\n |')
values = [values]
if field in _LISTTUPLEFIELDS:
values = [','.join(value) for value in values]
for value in values:
self._write_field(fileobject, field, value) | [
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] | [
398,
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] | python | en | ['en', 'en', 'en'] | True |
LegacyMetadata.update | (self, other=None, **kwargs) | Set metadata values from the given iterable `other` and kwargs.
Behavior is like `dict.update`: If `other` has a ``keys`` method,
they are looped over and ``self[key]`` is assigned ``other[key]``.
Else, ``other`` is an iterable of ``(key, value)`` iterables.
Keys that don't match a metadata field or that have an empty value are
dropped.
| Set metadata values from the given iterable `other` and kwargs. | def update(self, other=None, **kwargs):
"""Set metadata values from the given iterable `other` and kwargs.
Behavior is like `dict.update`: If `other` has a ``keys`` method,
they are looped over and ``self[key]`` is assigned ``other[key]``.
Else, ``other`` is an iterable of ``(key, value)`` iterables.
Keys that don't match a metadata field or that have an empty value are
dropped.
"""
def _set(key, value):
if key in _ATTR2FIELD and value:
self.set(self._convert_name(key), value)
if not other:
# other is None or empty container
pass
elif hasattr(other, 'keys'):
for k in other.keys():
_set(k, other[k])
else:
for k, v in other:
_set(k, v)
if kwargs:
for k, v in kwargs.items():
_set(k, v) | [
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426,
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LegacyMetadata.set | (self, name, value) | Control then set a metadata field. | Control then set a metadata field. | def set(self, name, value):
"""Control then set a metadata field."""
name = self._convert_name(name)
if ((name in _ELEMENTSFIELD or name == 'Platform') and
not isinstance(value, (list, tuple))):
if isinstance(value, string_types):
value = [v.strip() for v in value.split(',')]
else:
value = []
elif (name in _LISTFIELDS and
not isinstance(value, (list, tuple))):
if isinstance(value, string_types):
value = [value]
else:
value = []
if logger.isEnabledFor(logging.WARNING):
project_name = self['Name']
scheme = get_scheme(self.scheme)
if name in _PREDICATE_FIELDS and value is not None:
for v in value:
# check that the values are valid
if not scheme.is_valid_matcher(v.split(';')[0]):
logger.warning(
"'%s': '%s' is not valid (field '%s')",
project_name, v, name)
# FIXME this rejects UNKNOWN, is that right?
elif name in _VERSIONS_FIELDS and value is not None:
if not scheme.is_valid_constraint_list(value):
logger.warning("'%s': '%s' is not a valid version (field '%s')",
project_name, value, name)
elif name in _VERSION_FIELDS and value is not None:
if not scheme.is_valid_version(value):
logger.warning("'%s': '%s' is not a valid version (field '%s')",
project_name, value, name)
if name in _UNICODEFIELDS:
if name == 'Description':
value = self._remove_line_prefix(value)
self._fields[name] = value | [
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428,
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] | [
470,
34
] | python | en | ['en', 'lb', 'en'] | True |
LegacyMetadata.get | (self, name, default=_MISSING) | Get a metadata field. | Get a metadata field. | def get(self, name, default=_MISSING):
"""Get a metadata field."""
name = self._convert_name(name)
if name not in self._fields:
if default is _MISSING:
default = self._default_value(name)
return default
if name in _UNICODEFIELDS:
value = self._fields[name]
return value
elif name in _LISTFIELDS:
value = self._fields[name]
if value is None:
return []
res = []
for val in value:
if name not in _LISTTUPLEFIELDS:
res.append(val)
else:
# That's for Project-URL
res.append((val[0], val[1]))
return res
elif name in _ELEMENTSFIELD:
value = self._fields[name]
if isinstance(value, string_types):
return value.split(',')
return self._fields[name] | [
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472,
4
] | [
499,
33
] | python | en | ['ro', 'lb', 'en'] | False |
LegacyMetadata.check | (self, strict=False) | Check if the metadata is compliant. If strict is True then raise if
no Name or Version are provided | Check if the metadata is compliant. If strict is True then raise if
no Name or Version are provided | def check(self, strict=False):
"""Check if the metadata is compliant. If strict is True then raise if
no Name or Version are provided"""
self.set_metadata_version()
# XXX should check the versions (if the file was loaded)
missing, warnings = [], []
for attr in ('Name', 'Version'): # required by PEP 345
if attr not in self:
missing.append(attr)
if strict and missing != []:
msg = 'missing required metadata: %s' % ', '.join(missing)
raise MetadataMissingError(msg)
for attr in ('Home-page', 'Author'):
if attr not in self:
missing.append(attr)
# checking metadata 1.2 (XXX needs to check 1.1, 1.0)
if self['Metadata-Version'] != '1.2':
return missing, warnings
scheme = get_scheme(self.scheme)
def are_valid_constraints(value):
for v in value:
if not scheme.is_valid_matcher(v.split(';')[0]):
return False
return True
for fields, controller in ((_PREDICATE_FIELDS, are_valid_constraints),
(_VERSIONS_FIELDS,
scheme.is_valid_constraint_list),
(_VERSION_FIELDS,
scheme.is_valid_version)):
for field in fields:
value = self.get(field, None)
if value is not None and not controller(value):
warnings.append("Wrong value for '%s': %s" % (field, value))
return missing, warnings | [
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] | [
501,
4
] | [
543,
32
] | python | en | ['en', 'en', 'en'] | True |
LegacyMetadata.todict | (self, skip_missing=False) | Return fields as a dict.
Field names will be converted to use the underscore-lowercase style
instead of hyphen-mixed case (i.e. home_page instead of Home-page).
This is as per https://www.python.org/dev/peps/pep-0566/#id17.
| Return fields as a dict. | def todict(self, skip_missing=False):
"""Return fields as a dict.
Field names will be converted to use the underscore-lowercase style
instead of hyphen-mixed case (i.e. home_page instead of Home-page).
This is as per https://www.python.org/dev/peps/pep-0566/#id17.
"""
self.set_metadata_version()
fields = _version2fieldlist(self['Metadata-Version'])
data = {}
for field_name in fields:
if not skip_missing or field_name in self._fields:
key = _FIELD2ATTR[field_name]
if key != 'project_url':
data[key] = self[field_name]
else:
data[key] = [','.join(u) for u in self[field_name]]
return data | [
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545,
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] | [
566,
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] | python | en | ['en', 'en', 'en'] | True |
Metadata.get_requirements | (self, reqts, extras=None, env=None) |
Base method to get dependencies, given a set of extras
to satisfy and an optional environment context.
:param reqts: A list of sometimes-wanted dependencies,
perhaps dependent on extras and environment.
:param extras: A list of optional components being requested.
:param env: An optional environment for marker evaluation.
|
Base method to get dependencies, given a set of extras
to satisfy and an optional environment context.
:param reqts: A list of sometimes-wanted dependencies,
perhaps dependent on extras and environment.
:param extras: A list of optional components being requested.
:param env: An optional environment for marker evaluation.
| def get_requirements(self, reqts, extras=None, env=None):
"""
Base method to get dependencies, given a set of extras
to satisfy and an optional environment context.
:param reqts: A list of sometimes-wanted dependencies,
perhaps dependent on extras and environment.
:param extras: A list of optional components being requested.
:param env: An optional environment for marker evaluation.
"""
if self._legacy:
result = reqts
else:
result = []
extras = get_extras(extras or [], self.extras)
for d in reqts:
if 'extra' not in d and 'environment' not in d:
# unconditional
include = True
else:
if 'extra' not in d:
# Not extra-dependent - only environment-dependent
include = True
else:
include = d.get('extra') in extras
if include:
# Not excluded because of extras, check environment
marker = d.get('environment')
if marker:
include = interpret(marker, env)
if include:
result.extend(d['requires'])
for key in ('build', 'dev', 'test'):
e = ':%s:' % key
if e in extras:
extras.remove(e)
# A recursive call, but it should terminate since 'test'
# has been removed from the extras
reqts = self._data.get('%s_requires' % key, [])
result.extend(self.get_requirements(reqts, extras=extras,
env=env))
return result | [
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826,
4
] | [
866,
21
] | python | en | ['en', 'error', 'th'] | False |
DatabaseSchemaEditor._is_referenced_by_fk_constraint | (self, table_name, column_name=None, ignore_self=False) |
Return whether or not the provided table name is referenced by another
one. If `column_name` is specified, only references pointing to that
column are considered. If `ignore_self` is True, self-referential
constraints are ignored.
|
Return whether or not the provided table name is referenced by another
one. If `column_name` is specified, only references pointing to that
column are considered. If `ignore_self` is True, self-referential
constraints are ignored.
| def _is_referenced_by_fk_constraint(self, table_name, column_name=None, ignore_self=False):
"""
Return whether or not the provided table name is referenced by another
one. If `column_name` is specified, only references pointing to that
column are considered. If `ignore_self` is True, self-referential
constraints are ignored.
"""
with self.connection.cursor() as cursor:
for other_table in self.connection.introspection.get_table_list(cursor):
if ignore_self and other_table.name == table_name:
continue
constraints = self.connection.introspection._get_foreign_key_constraints(cursor, other_table.name)
for constraint in constraints.values():
constraint_table, constraint_column = constraint['foreign_key']
if (constraint_table == table_name and
(column_name is None or constraint_column == column_name)):
return True
return False | [
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DatabaseSchemaEditor._remake_table | (self, model, create_field=None, delete_field=None, alter_field=None) |
Shortcut to transform a model from old_model into new_model
This follows the correct procedure to perform non-rename or column
addition operations based on SQLite's documentation
https://www.sqlite.org/lang_altertable.html#caution
The essential steps are:
1. Create a table with the updated definition called "new__app_model"
2. Copy the data from the existing "app_model" table to the new table
3. Drop the "app_model" table
4. Rename the "new__app_model" table to "app_model"
5. Restore any index of the previous "app_model" table.
|
Shortcut to transform a model from old_model into new_model | def _remake_table(self, model, create_field=None, delete_field=None, alter_field=None):
"""
Shortcut to transform a model from old_model into new_model
This follows the correct procedure to perform non-rename or column
addition operations based on SQLite's documentation
https://www.sqlite.org/lang_altertable.html#caution
The essential steps are:
1. Create a table with the updated definition called "new__app_model"
2. Copy the data from the existing "app_model" table to the new table
3. Drop the "app_model" table
4. Rename the "new__app_model" table to "app_model"
5. Restore any index of the previous "app_model" table.
"""
# Self-referential fields must be recreated rather than copied from
# the old model to ensure their remote_field.field_name doesn't refer
# to an altered field.
def is_self_referential(f):
return f.is_relation and f.remote_field.model is model
# Work out the new fields dict / mapping
body = {
f.name: f.clone() if is_self_referential(f) else f
for f in model._meta.local_concrete_fields
}
# Since mapping might mix column names and default values,
# its values must be already quoted.
mapping = {f.column: self.quote_name(f.column) for f in model._meta.local_concrete_fields}
# This maps field names (not columns) for things like unique_together
rename_mapping = {}
# If any of the new or altered fields is introducing a new PK,
# remove the old one
restore_pk_field = None
if getattr(create_field, 'primary_key', False) or (
alter_field and getattr(alter_field[1], 'primary_key', False)):
for name, field in list(body.items()):
if field.primary_key:
field.primary_key = False
restore_pk_field = field
if field.auto_created:
del body[name]
del mapping[field.column]
# Add in any created fields
if create_field:
body[create_field.name] = create_field
# Choose a default and insert it into the copy map
if not create_field.many_to_many and create_field.concrete:
mapping[create_field.column] = self.quote_value(
self.effective_default(create_field)
)
# Add in any altered fields
if alter_field:
old_field, new_field = alter_field
body.pop(old_field.name, None)
mapping.pop(old_field.column, None)
body[new_field.name] = new_field
if old_field.null and not new_field.null:
case_sql = "coalesce(%(col)s, %(default)s)" % {
'col': self.quote_name(old_field.column),
'default': self.quote_value(self.effective_default(new_field))
}
mapping[new_field.column] = case_sql
else:
mapping[new_field.column] = self.quote_name(old_field.column)
rename_mapping[old_field.name] = new_field.name
# Remove any deleted fields
if delete_field:
del body[delete_field.name]
del mapping[delete_field.column]
# Remove any implicit M2M tables
if delete_field.many_to_many and delete_field.remote_field.through._meta.auto_created:
return self.delete_model(delete_field.remote_field.through)
# Work inside a new app registry
apps = Apps()
# Work out the new value of unique_together, taking renames into
# account
unique_together = [
[rename_mapping.get(n, n) for n in unique]
for unique in model._meta.unique_together
]
# Work out the new value for index_together, taking renames into
# account
index_together = [
[rename_mapping.get(n, n) for n in index]
for index in model._meta.index_together
]
indexes = model._meta.indexes
if delete_field:
indexes = [
index for index in indexes
if delete_field.name not in index.fields
]
constraints = list(model._meta.constraints)
# Provide isolated instances of the fields to the new model body so
# that the existing model's internals aren't interfered with when
# the dummy model is constructed.
body_copy = copy.deepcopy(body)
# Construct a new model with the new fields to allow self referential
# primary key to resolve to. This model won't ever be materialized as a
# table and solely exists for foreign key reference resolution purposes.
# This wouldn't be required if the schema editor was operating on model
# states instead of rendered models.
meta_contents = {
'app_label': model._meta.app_label,
'db_table': model._meta.db_table,
'unique_together': unique_together,
'index_together': index_together,
'indexes': indexes,
'constraints': constraints,
'apps': apps,
}
meta = type("Meta", (), meta_contents)
body_copy['Meta'] = meta
body_copy['__module__'] = model.__module__
type(model._meta.object_name, model.__bases__, body_copy)
# Construct a model with a renamed table name.
body_copy = copy.deepcopy(body)
meta_contents = {
'app_label': model._meta.app_label,
'db_table': 'new__%s' % strip_quotes(model._meta.db_table),
'unique_together': unique_together,
'index_together': index_together,
'indexes': indexes,
'constraints': constraints,
'apps': apps,
}
meta = type("Meta", (), meta_contents)
body_copy['Meta'] = meta
body_copy['__module__'] = model.__module__
new_model = type('New%s' % model._meta.object_name, model.__bases__, body_copy)
# Create a new table with the updated schema.
self.create_model(new_model)
# Copy data from the old table into the new table
self.execute("INSERT INTO %s (%s) SELECT %s FROM %s" % (
self.quote_name(new_model._meta.db_table),
', '.join(self.quote_name(x) for x in mapping),
', '.join(mapping.values()),
self.quote_name(model._meta.db_table),
))
# Delete the old table to make way for the new
self.delete_model(model, handle_autom2m=False)
# Rename the new table to take way for the old
self.alter_db_table(
new_model, new_model._meta.db_table, model._meta.db_table,
disable_constraints=False,
)
# Run deferred SQL on correct table
for sql in self.deferred_sql:
self.execute(sql)
self.deferred_sql = []
# Fix any PK-removed field
if restore_pk_field:
restore_pk_field.primary_key = True | [
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] | [
141,
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] | [
306,
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] | python | en | ['en', 'error', 'th'] | False |
DatabaseSchemaEditor.add_field | (self, model, field) |
Create a field on a model. Usually involves adding a column, but may
involve adding a table instead (for M2M fields).
|
Create a field on a model. Usually involves adding a column, but may
involve adding a table instead (for M2M fields).
| def add_field(self, model, field):
"""
Create a field on a model. Usually involves adding a column, but may
involve adding a table instead (for M2M fields).
"""
# Special-case implicit M2M tables
if field.many_to_many and field.remote_field.through._meta.auto_created:
return self.create_model(field.remote_field.through)
self._remake_table(model, create_field=field) | [
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DatabaseSchemaEditor.remove_field | (self, model, field) |
Remove a field from a model. Usually involves deleting a column,
but for M2Ms may involve deleting a table.
|
Remove a field from a model. Usually involves deleting a column,
but for M2Ms may involve deleting a table.
| def remove_field(self, model, field):
"""
Remove a field from a model. Usually involves deleting a column,
but for M2Ms may involve deleting a table.
"""
# M2M fields are a special case
if field.many_to_many:
# For implicit M2M tables, delete the auto-created table
if field.remote_field.through._meta.auto_created:
self.delete_model(field.remote_field.through)
# For explicit "through" M2M fields, do nothing
# For everything else, remake.
else:
# It might not actually have a column behind it
if field.db_parameters(connection=self.connection)['type'] is None:
return
self._remake_table(model, delete_field=field) | [
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DatabaseSchemaEditor._alter_field | (self, model, old_field, new_field, old_type, new_type,
old_db_params, new_db_params, strict=False) | Perform a "physical" (non-ManyToMany) field update. | Perform a "physical" (non-ManyToMany) field update. | def _alter_field(self, model, old_field, new_field, old_type, new_type,
old_db_params, new_db_params, strict=False):
"""Perform a "physical" (non-ManyToMany) field update."""
# Use "ALTER TABLE ... RENAME COLUMN" if only the column name
# changed and there aren't any constraints.
if (self.connection.features.can_alter_table_rename_column and
old_field.column != new_field.column and
self.column_sql(model, old_field) == self.column_sql(model, new_field) and
not (old_field.remote_field and old_field.db_constraint or
new_field.remote_field and new_field.db_constraint)):
return self.execute(self._rename_field_sql(model._meta.db_table, old_field, new_field, new_type))
# Alter by remaking table
self._remake_table(model, alter_field=(old_field, new_field))
# Rebuild tables with FKs pointing to this field.
if new_field.unique and old_type != new_type:
related_models = set()
opts = new_field.model._meta
for remote_field in opts.related_objects:
# Ignore self-relationship since the table was already rebuilt.
if remote_field.related_model == model:
continue
if not remote_field.many_to_many:
if remote_field.field_name == new_field.name:
related_models.add(remote_field.related_model)
elif new_field.primary_key and remote_field.through._meta.auto_created:
related_models.add(remote_field.through)
if new_field.primary_key:
for many_to_many in opts.many_to_many:
# Ignore self-relationship since the table was already rebuilt.
if many_to_many.related_model == model:
continue
if many_to_many.remote_field.through._meta.auto_created:
related_models.add(many_to_many.remote_field.through)
for related_model in related_models:
self._remake_table(related_model) | [
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383,
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] | python | en | ['en', 'en', 'en'] | True |
DatabaseSchemaEditor._alter_many_to_many | (self, model, old_field, new_field, strict) | Alter M2Ms to repoint their to= endpoints. | Alter M2Ms to repoint their to= endpoints. | def _alter_many_to_many(self, model, old_field, new_field, strict):
"""Alter M2Ms to repoint their to= endpoints."""
if old_field.remote_field.through._meta.db_table == new_field.remote_field.through._meta.db_table:
# The field name didn't change, but some options did; we have to propagate this altering.
self._remake_table(
old_field.remote_field.through,
alter_field=(
# We need the field that points to the target model, so we can tell alter_field to change it -
# this is m2m_reverse_field_name() (as opposed to m2m_field_name, which points to our model)
old_field.remote_field.through._meta.get_field(old_field.m2m_reverse_field_name()),
new_field.remote_field.through._meta.get_field(new_field.m2m_reverse_field_name()),
),
)
return
# Make a new through table
self.create_model(new_field.remote_field.through)
# Copy the data across
self.execute("INSERT INTO %s (%s) SELECT %s FROM %s" % (
self.quote_name(new_field.remote_field.through._meta.db_table),
', '.join([
"id",
new_field.m2m_column_name(),
new_field.m2m_reverse_name(),
]),
', '.join([
"id",
old_field.m2m_column_name(),
old_field.m2m_reverse_name(),
]),
self.quote_name(old_field.remote_field.through._meta.db_table),
))
# Delete the old through table
self.delete_model(old_field.remote_field.through) | [
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] | [
385,
4
] | [
418,
57
] | python | en | ['en', 'en', 'en'] | True |
NameAliasMixin.get_real_name | (self) | Returns the real name (object name) of this identifier. | Returns the real name (object name) of this identifier. | def get_real_name(self):
"""Returns the real name (object name) of this identifier."""
# a.b
dot_idx, _ = self.token_next_by(m=(T.Punctuation, '.'))
return self._get_first_name(dot_idx, real_name=True) | [
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NameAliasMixin.get_alias | (self) | Returns the alias for this identifier or ``None``. | Returns the alias for this identifier or ``None``. | def get_alias(self):
"""Returns the alias for this identifier or ``None``."""
# "name AS alias"
kw_idx, kw = self.token_next_by(m=(T.Keyword, 'AS'))
if kw is not None:
return self._get_first_name(kw_idx + 1, keywords=True)
# "name alias" or "complicated column expression alias"
_, ws = self.token_next_by(t=T.Whitespace)
if len(self.tokens) > 2 and ws is not None:
return self._get_first_name(reverse=True) | [
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35,
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] | python | en | ['en', 'en', 'en'] | True |
Token.flatten | (self) | Resolve subgroups. | Resolve subgroups. | def flatten(self):
"""Resolve subgroups."""
yield self | [
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] | [
83,
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] | [
85,
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] | python | en | ['et', 'la', 'en'] | False |
Token.match | (self, ttype, values, regex=False) | Checks whether the token matches the given arguments.
*ttype* is a token type. If this token doesn't match the given token
type.
*values* is a list of possible values for this token. The values
are OR'ed together so if only one of the values matches ``True``
is returned. Except for keyword tokens the comparison is
case-sensitive. For convenience it's OK to pass in a single string.
If *regex* is ``True`` (default is ``False``) the given values are
treated as regular expressions.
| Checks whether the token matches the given arguments. | def match(self, ttype, values, regex=False):
"""Checks whether the token matches the given arguments.
*ttype* is a token type. If this token doesn't match the given token
type.
*values* is a list of possible values for this token. The values
are OR'ed together so if only one of the values matches ``True``
is returned. Except for keyword tokens the comparison is
case-sensitive. For convenience it's OK to pass in a single string.
If *regex* is ``True`` (default is ``False``) the given values are
treated as regular expressions.
"""
type_matched = self.ttype is ttype
if not type_matched or values is None:
return type_matched
if isinstance(values, str):
values = (values,)
if regex:
# TODO: Add test for regex with is_keyboard = false
flag = re.IGNORECASE if self.is_keyword else 0
values = (re.compile(v, flag) for v in values)
for pattern in values:
if pattern.search(self.normalized):
return True
return False
if self.is_keyword:
values = (v.upper() for v in values)
return self.normalized in values | [
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87,
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] | [
119,
40
] | python | en | ['en', 'en', 'en'] | True |
Token.within | (self, group_cls) | Returns ``True`` if this token is within *group_cls*.
Use this method for example to check if an identifier is within
a function: ``t.within(sql.Function)``.
| Returns ``True`` if this token is within *group_cls*. | def within(self, group_cls):
"""Returns ``True`` if this token is within *group_cls*.
Use this method for example to check if an identifier is within
a function: ``t.within(sql.Function)``.
"""
parent = self.parent
while parent:
if isinstance(parent, group_cls):
return True
parent = parent.parent
return False | [
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132,
20
] | python | en | ['en', 'en', 'en'] | True |
Token.is_child_of | (self, other) | Returns ``True`` if this token is a direct child of *other*. | Returns ``True`` if this token is a direct child of *other*. | def is_child_of(self, other):
"""Returns ``True`` if this token is a direct child of *other*."""
return self.parent == other | [
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136,
35
] | python | en | ['en', 'en', 'en'] | True |
Token.has_ancestor | (self, other) | Returns ``True`` if *other* is in this tokens ancestry. | Returns ``True`` if *other* is in this tokens ancestry. | def has_ancestor(self, other):
"""Returns ``True`` if *other* is in this tokens ancestry."""
parent = self.parent
while parent:
if parent == other:
return True
parent = parent.parent
return False | [
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138,
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] | [
145,
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] | python | en | ['en', 'en', 'en'] | True |
TokenList._pprint_tree | (self, max_depth=None, depth=0, f=None, _pre='') | Pretty-print the object tree. | Pretty-print the object tree. | def _pprint_tree(self, max_depth=None, depth=0, f=None, _pre=''):
"""Pretty-print the object tree."""
token_count = len(self.tokens)
for idx, token in enumerate(self.tokens):
cls = token._get_repr_name()
value = token._get_repr_value()
last = idx == (token_count - 1)
pre = '`- ' if last else '|- '
q = '"' if value.startswith("'") and value.endswith("'") else "'"
print("{_pre}{pre}{idx} {cls} {q}{value}{q}"
.format(**locals()), file=f)
if token.is_group and (max_depth is None or depth < max_depth):
parent_pre = ' ' if last else '| '
token._pprint_tree(max_depth, depth + 1, f, _pre + parent_pre) | [
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] | [
179,
4
] | [
195,
78
] | python | en | ['en', 'mt', 'en'] | True |
TokenList.get_token_at_offset | (self, offset) | Returns the token that is on position offset. | Returns the token that is on position offset. | def get_token_at_offset(self, offset):
"""Returns the token that is on position offset."""
idx = 0
for token in self.flatten():
end = idx + len(token.value)
if idx <= offset < end:
return token
idx = end | [
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] | [
197,
4
] | [
204,
21
] | python | en | ['en', 'en', 'en'] | True |
TokenList.flatten | (self) | Generator yielding ungrouped tokens.
This method is recursively called for all child tokens.
| Generator yielding ungrouped tokens. | def flatten(self):
"""Generator yielding ungrouped tokens.
This method is recursively called for all child tokens.
"""
for token in self.tokens:
if token.is_group:
yield from token.flatten()
else:
yield token | [
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] | [
215,
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] | python | en | ['en', 'en', 'es'] | True |
TokenList._token_matching | (self, funcs, start=0, end=None, reverse=False) | next token that match functions | next token that match functions | def _token_matching(self, funcs, start=0, end=None, reverse=False):
"""next token that match functions"""
if start is None:
return None
if not isinstance(funcs, (list, tuple)):
funcs = (funcs,)
if reverse:
assert end is None
for idx in range(start - 2, -1, -1):
token = self.tokens[idx]
for func in funcs:
if func(token):
return idx, token
else:
for idx, token in enumerate(self.tokens[start:end], start=start):
for func in funcs:
if func(token):
return idx, token
return None, None | [
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226,
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] | [
246,
25
] | python | en | ['en', 'en', 'en'] | True |
TokenList.token_first | (self, skip_ws=True, skip_cm=False) | Returns the first child token.
If *skip_ws* is ``True`` (the default), whitespace
tokens are ignored.
if *skip_cm* is ``True`` (default: ``False``), comments are
ignored too.
| Returns the first child token. | def token_first(self, skip_ws=True, skip_cm=False):
"""Returns the first child token.
If *skip_ws* is ``True`` (the default), whitespace
tokens are ignored.
if *skip_cm* is ``True`` (default: ``False``), comments are
ignored too.
"""
# this on is inconsistent, using Comment instead of T.Comment...
def matcher(tk):
return not ((skip_ws and tk.is_whitespace)
or (skip_cm and imt(tk, t=T.Comment, i=Comment)))
return self._token_matching(matcher)[1] | [
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248,
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] | [
261,
47
] | python | en | ['en', 'de', 'en'] | True |
TokenList.token_prev | (self, idx, skip_ws=True, skip_cm=False) | Returns the previous token relative to *idx*.
If *skip_ws* is ``True`` (the default) whitespace tokens are ignored.
If *skip_cm* is ``True`` comments are ignored.
``None`` is returned if there's no previous token.
| Returns the previous token relative to *idx*. | def token_prev(self, idx, skip_ws=True, skip_cm=False):
"""Returns the previous token relative to *idx*.
If *skip_ws* is ``True`` (the default) whitespace tokens are ignored.
If *skip_cm* is ``True`` comments are ignored.
``None`` is returned if there's no previous token.
"""
return self.token_next(idx, skip_ws, skip_cm, _reverse=True) | [
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282,
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] | python | en | ['en', 'gl', 'en'] | True |
TokenList.token_next | (self, idx, skip_ws=True, skip_cm=False, _reverse=False) | Returns the next token relative to *idx*.
If *skip_ws* is ``True`` (the default) whitespace tokens are ignored.
If *skip_cm* is ``True`` comments are ignored.
``None`` is returned if there's no next token.
| Returns the next token relative to *idx*. | def token_next(self, idx, skip_ws=True, skip_cm=False, _reverse=False):
"""Returns the next token relative to *idx*.
If *skip_ws* is ``True`` (the default) whitespace tokens are ignored.
If *skip_cm* is ``True`` comments are ignored.
``None`` is returned if there's no next token.
"""
if idx is None:
return None, None
idx += 1 # alot of code usage current pre-compensates for this
def matcher(tk):
return not ((skip_ws and tk.is_whitespace)
or (skip_cm and imt(tk, t=T.Comment, i=Comment)))
return self._token_matching(matcher, idx, reverse=_reverse) | [
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299,
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TokenList.token_index | (self, token, start=0) | Return list index of token. | Return list index of token. | def token_index(self, token, start=0):
"""Return list index of token."""
start = start if isinstance(start, int) else self.token_index(start)
return start + self.tokens[start:].index(token) | [
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TokenList.group_tokens | (self, grp_cls, start, end, include_end=True,
extend=False) | Replace tokens by an instance of *grp_cls*. | Replace tokens by an instance of *grp_cls*. | def group_tokens(self, grp_cls, start, end, include_end=True,
extend=False):
"""Replace tokens by an instance of *grp_cls*."""
start_idx = start
start = self.tokens[start_idx]
end_idx = end + include_end
# will be needed later for new group_clauses
# while skip_ws and tokens and tokens[-1].is_whitespace:
# tokens = tokens[:-1]
if extend and isinstance(start, grp_cls):
subtokens = self.tokens[start_idx + 1:end_idx]
grp = start
grp.tokens.extend(subtokens)
del self.tokens[start_idx + 1:end_idx]
grp.value = str(start)
else:
subtokens = self.tokens[start_idx:end_idx]
grp = grp_cls(subtokens)
self.tokens[start_idx:end_idx] = [grp]
grp.parent = self
for token in subtokens:
token.parent = grp
return grp | [
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TokenList.insert_before | (self, where, token) | Inserts *token* before *where*. | Inserts *token* before *where*. | def insert_before(self, where, token):
"""Inserts *token* before *where*."""
if not isinstance(where, int):
where = self.token_index(where)
token.parent = self
self.tokens.insert(where, token) | [
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TokenList.insert_after | (self, where, token, skip_ws=True) | Inserts *token* after *where*. | Inserts *token* after *where*. | def insert_after(self, where, token, skip_ws=True):
"""Inserts *token* after *where*."""
if not isinstance(where, int):
where = self.token_index(where)
nidx, next_ = self.token_next(where, skip_ws=skip_ws)
token.parent = self
if next_ is None:
self.tokens.append(token)
else:
self.tokens.insert(nidx, token) | [
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TokenList.has_alias | (self) | Returns ``True`` if an alias is present. | Returns ``True`` if an alias is present. | def has_alias(self):
"""Returns ``True`` if an alias is present."""
return self.get_alias() is not None | [
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TokenList.get_alias | (self) | Returns the alias for this identifier or ``None``. | Returns the alias for this identifier or ``None``. | def get_alias(self):
"""Returns the alias for this identifier or ``None``."""
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TokenList.get_name | (self) | Returns the name of this identifier.
This is either it's alias or it's real name. The returned valued can
be considered as the name under which the object corresponding to
this identifier is known within the current statement.
| Returns the name of this identifier. | def get_name(self):
"""Returns the name of this identifier.
This is either it's alias or it's real name. The returned valued can
be considered as the name under which the object corresponding to
this identifier is known within the current statement.
"""
return self.get_alias() or self.get_real_name() | [
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TokenList.get_real_name | (self) | Returns the real name (object name) of this identifier. | Returns the real name (object name) of this identifier. | def get_real_name(self):
"""Returns the real name (object name) of this identifier."""
return None | [
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TokenList.get_parent_name | (self) | Return name of the parent object if any.
A parent object is identified by the first occurring dot.
| Return name of the parent object if any. | def get_parent_name(self):
"""Return name of the parent object if any.
A parent object is identified by the first occurring dot.
"""
dot_idx, _ = self.token_next_by(m=(T.Punctuation, '.'))
_, prev_ = self.token_prev(dot_idx)
return remove_quotes(prev_.value) if prev_ is not None else None | [
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TokenList._get_first_name | (self, idx=None, reverse=False, keywords=False,
real_name=False) | Returns the name of the first token with a name | Returns the name of the first token with a name | def _get_first_name(self, idx=None, reverse=False, keywords=False,
real_name=False):
"""Returns the name of the first token with a name"""
tokens = self.tokens[idx:] if idx else self.tokens
tokens = reversed(tokens) if reverse else tokens
types = [T.Name, T.Wildcard, T.String.Symbol]
if keywords:
types.append(T.Keyword)
for token in tokens:
if token.ttype in types:
return remove_quotes(token.value)
elif isinstance(token, (Identifier, Function)):
return token.get_real_name() if real_name else token.get_name() | [
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Statement.get_type | (self) | Returns the type of a statement.
The returned value is a string holding an upper-cased reprint of
the first DML or DDL keyword. If the first token in this group
isn't a DML or DDL keyword "UNKNOWN" is returned.
Whitespaces and comments at the beginning of the statement
are ignored.
| Returns the type of a statement. | def get_type(self):
"""Returns the type of a statement.
The returned value is a string holding an upper-cased reprint of
the first DML or DDL keyword. If the first token in this group
isn't a DML or DDL keyword "UNKNOWN" is returned.
Whitespaces and comments at the beginning of the statement
are ignored.
"""
first_token = self.token_first(skip_cm=True)
if first_token is None:
# An "empty" statement that either has not tokens at all
# or only whitespace tokens.
return 'UNKNOWN'
elif first_token.ttype in (T.Keyword.DML, T.Keyword.DDL):
return first_token.normalized
elif first_token.ttype == T.Keyword.CTE:
# The WITH keyword should be followed by either an Identifier or
# an IdentifierList containing the CTE definitions; the actual
# DML keyword (e.g. SELECT, INSERT) will follow next.
fidx = self.token_index(first_token)
tidx, token = self.token_next(fidx, skip_ws=True)
if isinstance(token, (Identifier, IdentifierList)):
_, dml_keyword = self.token_next(tidx, skip_ws=True)
if dml_keyword is not None \
and dml_keyword.ttype == T.Keyword.DML:
return dml_keyword.normalized
# Hmm, probably invalid syntax, so return unknown.
return 'UNKNOWN' | [
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405,
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438,
24
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Identifier.is_wildcard | (self) | Return ``True`` if this identifier contains a wildcard. | Return ``True`` if this identifier contains a wildcard. | def is_wildcard(self):
"""Return ``True`` if this identifier contains a wildcard."""
_, token = self.token_next_by(t=T.Wildcard)
return token is not None | [
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Identifier.get_typecast | (self) | Returns the typecast or ``None`` of this object as a string. | Returns the typecast or ``None`` of this object as a string. | def get_typecast(self):
"""Returns the typecast or ``None`` of this object as a string."""
midx, marker = self.token_next_by(m=(T.Punctuation, '::'))
nidx, next_ = self.token_next(midx, skip_ws=False)
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Identifier.get_ordering | (self) | Returns the ordering or ``None`` as uppercase string. | Returns the ordering or ``None`` as uppercase string. | def get_ordering(self):
"""Returns the ordering or ``None`` as uppercase string."""
_, ordering = self.token_next_by(t=T.Keyword.Order)
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Identifier.get_array_indices | (self) | Returns an iterator of index token lists | Returns an iterator of index token lists | def get_array_indices(self):
"""Returns an iterator of index token lists"""
for token in self.tokens:
if isinstance(token, SquareBrackets):
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IdentifierList.get_identifiers | (self) | Returns the identifiers.
Whitespaces and punctuations are not included in this generator.
| Returns the identifiers. | def get_identifiers(self):
"""Returns the identifiers.
Whitespaces and punctuations are not included in this generator.
"""
for token in self.tokens:
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Case.get_cases | (self, skip_ws=False) | Returns a list of 2-tuples (condition, value).
If an ELSE exists condition is None.
| Returns a list of 2-tuples (condition, value). | def get_cases(self, skip_ws=False):
"""Returns a list of 2-tuples (condition, value).
If an ELSE exists condition is None.
"""
CONDITION = 1
VALUE = 2
ret = []
mode = CONDITION
for token in self.tokens:
# Set mode from the current statement
if token.match(T.Keyword, 'CASE'):
continue
elif skip_ws and token.ttype in T.Whitespace:
continue
elif token.match(T.Keyword, 'WHEN'):
ret.append(([], []))
mode = CONDITION
elif token.match(T.Keyword, 'THEN'):
mode = VALUE
elif token.match(T.Keyword, 'ELSE'):
ret.append((None, []))
mode = VALUE
elif token.match(T.Keyword, 'END'):
mode = None
# First condition without preceding WHEN
if mode and not ret:
ret.append(([], []))
# Append token depending of the current mode
if mode == CONDITION:
ret[-1][0].append(token)
elif mode == VALUE:
ret[-1][1].append(token)
# Return cases list
return ret | [
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611,
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Function.get_parameters | (self) | Return a list of parameters. | Return a list of parameters. | def get_parameters(self):
"""Return a list of parameters."""
parenthesis = self.tokens[-1]
for token in parenthesis.tokens:
if isinstance(token, IdentifierList):
return token.get_identifiers()
elif imt(token, i=(Function, Identifier), t=T.Literal):
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run | (argv=None) | The main function which creates the pipeline and runs it. | The main function which creates the pipeline and runs it. | def run(argv=None):
"""The main function which creates the pipeline and runs it."""
parser = argparse.ArgumentParser()
# Here we add some specific command line arguments we expect.
# This defaults the output table in your BigQuery you'll have
# to create the example_data dataset yourself using bq mk temp
parser.add_argument('--output', dest='output', required=False,
help='Output BQ table to write results to.',
default='lake.orders_denormalized_cogroupbykey')
# Parse arguments from the command line.
known_args, pipeline_args = parser.parse_known_args(argv)
# DataLakeToDataMartCGBK is a class we built in this script to hold the logic for
# transforming the file into a BigQuery table. It also contains an example of
# using CoGroupByKey
data_lake_to_data_mart = DataLakeToDataMartCGBK()
schema = parse_table_schema_from_json(data_lake_to_data_mart.schema_str)
pipeline = beam.Pipeline(options=PipelineOptions(pipeline_args))
# This query returns details about the account, normalized into a
# different table. We will be joining the data in to the main orders dataset in order
# to create a denormalized table.
account_details_source = (
pipeline
| 'Read Account Details from BigQuery ' >> beam.io.Read(
beam.io.BigQuerySource(query="""
SELECT
acct_number,
acct_company_name,
acct_group_name,
acct_name,
acct_org_name,
address,
city,
state,
zip_code,
country
FROM
`python-dataflow-example.example_data.account`
""", use_standard_sql=True))
# This next stage of the pipeline maps the acct_number to a single row of
# results from BigQuery. Mapping this way helps Dataflow move your data arround
# to different workers. When later stages of the pipeline run, all results from
# a given account number will run on one worker.
| 'Map Account to Order Details' >> beam.Map(
lambda row: (
row['acct_number'], row
)))
orders_query = data_lake_to_data_mart.get_orders_query()
# Read the orders from BigQuery. This is the source of the pipeline. All further
# processing starts with rows read from the query results here.
orders = (
pipeline
| 'Read Orders from BigQuery ' >> beam.io.Read(
beam.io.BigQuerySource(query=orders_query, use_standard_sql=True))
|
# This next stage of the pipeline maps the acct_number to a single row of
# results from BigQuery. Mapping this way helps Dataflow move your data around
# to different workers. When later stages of the pipeline run, all results from
# a given account number will run on one worker.
'Map Account to Account Details' >> beam.Map(
lambda row: (
row['acct_number'], row
)))
# CoGroupByKey allows us to arrange the results together by key
# Both "orders" and "account_details" are maps of
# acct_number -> "Row of results from BigQuery".
# The mapping is done in the above code using Beam.Map()
result = {'orders': orders, 'account_details': account_details_source} | \
beam.CoGroupByKey()
# The add_account_details function is responsible for defining how to
# join the two datasets. It passes the results of CoGroupByKey, which
# groups the data from the same key in each dataset together in the same
# worker.
joined = result | beam.FlatMap(data_lake_to_data_mart.add_account_details)
joined | 'Write Data to BigQuery' >> beam.io.Write(
beam.io.BigQuerySink(
# The table name is a required argument for the BigQuery sink.
# In this case we use the value passed in from the command line.
known_args.output,
# Here we use the JSON schema read in from a JSON file.
# Specifying the schema allows the API to create the table correctly if it does not yet exist.
schema=schema,
# Creates the table in BigQuery if it does not yet exist.
create_disposition=beam.io.BigQueryDisposition.CREATE_IF_NEEDED,
# Deletes all data in the BigQuery table before writing.
write_disposition=beam.io.BigQueryDisposition.WRITE_TRUNCATE))
pipeline.run().wait_until_finish() | [
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232,
0
] | [
324,
38
] | python | en | ['en', 'en', 'en'] | True |
DataLakeToDataMartCGBK.get_orders_query | (self) | This returns a query against a very large fact table. We are
using a fake orders dataset to simulate a fact table in a typical
data warehouse. | This returns a query against a very large fact table. We are
using a fake orders dataset to simulate a fact table in a typical
data warehouse. | def get_orders_query(self):
"""This returns a query against a very large fact table. We are
using a fake orders dataset to simulate a fact table in a typical
data warehouse."""
orders_query = """SELECT
acct_number,
col_number,
col_number_1,
col_number_10,
col_number_100,
col_number_101,
col_number_102,
col_number_103,
col_number_104,
col_number_105,
col_number_106,
col_number_107,
col_number_108,
col_number_109,
col_number_11,
col_number_110,
col_number_111,
col_number_112,
col_number_113,
col_number_114,
col_number_115,
col_number_116,
col_number_117,
col_number_118,
col_number_119,
col_number_12,
col_number_120,
col_number_121,
col_number_122,
col_number_123,
col_number_124,
col_number_125,
col_number_126,
col_number_127,
col_number_128,
col_number_129,
col_number_13,
col_number_130,
col_number_131,
col_number_132,
col_number_133,
col_number_134,
col_number_135,
col_number_136,
col_number_14,
col_number_15,
col_number_16,
col_number_17,
col_number_18,
col_number_19,
col_number_2,
col_number_20,
col_number_21,
col_number_22,
col_number_23,
col_number_24,
col_number_25,
col_number_26,
col_number_27,
col_number_28,
col_number_29,
col_number_3,
col_number_30,
col_number_31,
col_number_32,
col_number_33,
col_number_34,
col_number_35,
col_number_36,
col_number_37,
col_number_38,
col_number_39,
col_number_4,
col_number_40,
col_number_41,
col_number_42,
col_number_43,
col_number_44,
col_number_45,
col_number_46,
col_number_47,
col_number_48,
col_number_49,
col_number_5,
col_number_50,
col_number_51,
col_number_52,
col_number_53,
col_number_54,
col_number_55,
col_number_56,
col_number_57,
col_number_58,
col_number_59,
col_number_6,
col_number_60,
col_number_61,
col_number_62,
col_number_63,
col_number_64,
col_number_65,
col_number_66,
col_number_67,
col_number_68,
col_number_69,
col_number_7,
col_number_70,
col_number_71,
col_number_72,
col_number_73,
col_number_74,
col_number_75,
col_number_76,
col_number_77,
col_number_78,
col_number_79,
col_number_8,
col_number_80,
col_number_81,
col_number_82,
col_number_83,
col_number_84,
col_number_85,
col_number_86,
col_number_87,
col_number_88,
col_number_89,
col_number_9,
col_number_90,
col_number_91,
col_number_92,
col_number_93,
col_number_94,
col_number_95,
col_number_96,
col_number_97,
col_number_98,
col_number_99,
col_number_num1,
date,
foo,
num1,
num2,
num3,
num5,
num6,
product_number,
quantity
FROM
`python-dataflow-example.example_data.orders` orders
LIMIT
10
"""
return orders_query | [
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"return",
"orders_query"
] | [
48,
4
] | [
206,
27
] | python | en | ['en', 'en', 'en'] | True |
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