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Update request urllib3 (#464)

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* requests: updated to version 2.27.1

* urllib3: updated to version 1.26.18
This commit is contained in:
ilmich
2024-01-29 20:12:20 +01:00
committed by GitHub
parent 349752a380
commit b96b63448c
51 changed files with 2414 additions and 801 deletions
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lib/requests/__init__.py
+49 -28
View File
@@ -9,14 +9,14 @@
Requests HTTP Library
~~~~~~~~~~~~~~~~~~~~~
Requests is an HTTP library, written in Python, for human beings. Basic GET
usage:
Requests is an HTTP library, written in Python, for human beings.
Basic GET usage:
>>> import requests
>>> r = requests.get('https://www.python.org')
>>> r.status_code
200
>>> 'Python is a programming language' in r.content
>>> b'Python is a programming language' in r.content
True
... or POST:
@@ -27,26 +27,34 @@ usage:
{
...
"form": {
"key2": "value2",
"key1": "value1"
"key1": "value1",
"key2": "value2"
},
...
}
The other HTTP methods are supported - see `requests.api`. Full documentation
is at <http://python-requests.org>.
is at <https://requests.readthedocs.io>.
:copyright: (c) 2017 by Kenneth Reitz.
:license: Apache 2.0, see LICENSE for more details.
"""
import urllib3
import chardet
import warnings
from .exceptions import RequestsDependencyWarning
try:
from charset_normalizer import __version__ as charset_normalizer_version
except ImportError:
charset_normalizer_version = None
def check_compatibility(urllib3_version, chardet_version):
try:
from chardet import __version__ as chardet_version
except ImportError:
chardet_version = None
def check_compatibility(urllib3_version, chardet_version, charset_normalizer_version):
urllib3_version = urllib3_version.split('.')
assert urllib3_version != ['dev'] # Verify urllib3 isn't installed from git.
@@ -57,19 +65,24 @@ def check_compatibility(urllib3_version, chardet_version):
# Check urllib3 for compatibility.
major, minor, patch = urllib3_version # noqa: F811
major, minor, patch = int(major), int(minor), int(patch)
# urllib3 >= 1.21.1, <= 1.25
# urllib3 >= 1.21.1, <= 1.26
assert major == 1
assert minor >= 21
assert minor <= 25
# Check chardet for compatibility.
major, minor, patch = chardet_version.split('.')[:3]
major, minor, patch = int(major), int(minor), int(patch)
# chardet >= 3.0.2, < 3.1.0
assert major == 3
assert minor < 1
assert patch >= 2
assert minor <= 26
# Check charset_normalizer for compatibility.
if chardet_version:
major, minor, patch = chardet_version.split('.')[:3]
major, minor, patch = int(major), int(minor), int(patch)
# chardet_version >= 3.0.2, < 5.0.0
assert (3, 0, 2) <= (major, minor, patch) < (5, 0, 0)
elif charset_normalizer_version:
major, minor, patch = charset_normalizer_version.split('.')[:3]
major, minor, patch = int(major), int(minor), int(patch)
# charset_normalizer >= 2.0.0 < 3.0.0
assert (2, 0, 0) <= (major, minor, patch) < (3, 0, 0)
else:
raise Exception("You need either charset_normalizer or chardet installed")
def _check_cryptography(cryptography_version):
# cryptography < 1.3.4
@@ -84,20 +97,28 @@ def _check_cryptography(cryptography_version):
# Check imported dependencies for compatibility.
try:
check_compatibility(urllib3.__version__, chardet.__version__)
check_compatibility(urllib3.__version__, chardet_version, charset_normalizer_version)
except (AssertionError, ValueError):
warnings.warn("urllib3 ({}) or chardet ({}) doesn't match a supported "
"version!".format(urllib3.__version__, chardet.__version__),
warnings.warn("urllib3 ({}) or chardet ({})/charset_normalizer ({}) doesn't match a supported "
"version!".format(urllib3.__version__, chardet_version, charset_normalizer_version),
RequestsDependencyWarning)
# Attempt to enable urllib3's SNI support, if possible
# Attempt to enable urllib3's fallback for SNI support
# if the standard library doesn't support SNI or the
# 'ssl' library isn't available.
try:
from urllib3.contrib import pyopenssl
pyopenssl.inject_into_urllib3()
try:
import ssl
except ImportError:
ssl = None
# Check cryptography version
from cryptography import __version__ as cryptography_version
_check_cryptography(cryptography_version)
if not getattr(ssl, "HAS_SNI", False):
from urllib3.contrib import pyopenssl
pyopenssl.inject_into_urllib3()
# Check cryptography version
from cryptography import __version__ as cryptography_version
_check_cryptography(cryptography_version)
except ImportError:
pass
@@ -118,7 +139,7 @@ from .status_codes import codes
from .exceptions import (
RequestException, Timeout, URLRequired,
TooManyRedirects, HTTPError, ConnectionError,
FileModeWarning, ConnectTimeout, ReadTimeout
FileModeWarning, ConnectTimeout, ReadTimeout, JSONDecodeError
)
# Set default logging handler to avoid "No handler found" warnings.
lib/requests/__version__.py
+4 -4
View File
@@ -4,11 +4,11 @@
__title__ = 'requests'
__description__ = 'Python HTTP for Humans.'
__url__ = 'http://python-requests.org'
__version__ = '2.22.0'
__build__ = 0x022200
__url__ = 'https://requests.readthedocs.io'
__version__ = '2.27.1'
__build__ = 0x022701
__author__ = 'Kenneth Reitz'
__author_email__ = 'me@kennethreitz.org'
__license__ = 'Apache 2.0'
__copyright__ = 'Copyright 2019 Kenneth Reitz'
__copyright__ = 'Copyright 2022 Kenneth Reitz'
__cake__ = u'\u2728 \U0001f370 \u2728'
lib/requests/adapters.py
+7 -2
View File
@@ -19,6 +19,7 @@ from urllib3.util.retry import Retry
from urllib3.exceptions import ClosedPoolError
from urllib3.exceptions import ConnectTimeoutError
from urllib3.exceptions import HTTPError as _HTTPError
from urllib3.exceptions import InvalidHeader as _InvalidHeader
from urllib3.exceptions import MaxRetryError
from urllib3.exceptions import NewConnectionError
from urllib3.exceptions import ProxyError as _ProxyError
@@ -37,7 +38,7 @@ from .structures import CaseInsensitiveDict
from .cookies import extract_cookies_to_jar
from .exceptions import (ConnectionError, ConnectTimeout, ReadTimeout, SSLError,
ProxyError, RetryError, InvalidSchema, InvalidProxyURL,
InvalidURL)
InvalidURL, InvalidHeader)
from .auth import _basic_auth_str
try:
@@ -457,9 +458,11 @@ class HTTPAdapter(BaseAdapter):
low_conn = conn._get_conn(timeout=DEFAULT_POOL_TIMEOUT)
try:
skip_host = 'Host' in request.headers
low_conn.putrequest(request.method,
url,
skip_accept_encoding=True)
skip_accept_encoding=True,
skip_host=skip_host)
for header, value in request.headers.items():
low_conn.putheader(header, value)
@@ -527,6 +530,8 @@ class HTTPAdapter(BaseAdapter):
raise SSLError(e, request=request)
elif isinstance(e, ReadTimeoutError):
raise ReadTimeout(e, request=request)
elif isinstance(e, _InvalidHeader):
raise InvalidHeader(e, request=request)
else:
raise
lib/requests/api.py
+5 -4
View File
@@ -16,7 +16,7 @@ from . import sessions
def request(method, url, **kwargs):
"""Constructs and sends a :class:`Request <Request>`.
:param method: method for the new :class:`Request` object.
:param method: method for the new :class:`Request` object: ``GET``, ``OPTIONS``, ``HEAD``, ``POST``, ``PUT``, ``PATCH``, or ``DELETE``.
:param url: URL for the new :class:`Request` object.
:param params: (optional) Dictionary, list of tuples or bytes to send
in the query string for the :class:`Request`.
@@ -50,6 +50,7 @@ def request(method, url, **kwargs):
>>> import requests
>>> req = requests.request('GET', 'https://httpbin.org/get')
>>> req
<Response [200]>
"""
@@ -71,7 +72,6 @@ def get(url, params=None, **kwargs):
:rtype: requests.Response
"""
kwargs.setdefault('allow_redirects', True)
return request('get', url, params=params, **kwargs)
@@ -84,7 +84,6 @@ def options(url, **kwargs):
:rtype: requests.Response
"""
kwargs.setdefault('allow_redirects', True)
return request('options', url, **kwargs)
@@ -92,7 +91,9 @@ def head(url, **kwargs):
r"""Sends a HEAD request.
:param url: URL for the new :class:`Request` object.
:param \*\*kwargs: Optional arguments that ``request`` takes.
:param \*\*kwargs: Optional arguments that ``request`` takes. If
`allow_redirects` is not provided, it will be set to `False` (as
opposed to the default :meth:`request` behavior).
:return: :class:`Response <Response>` object
:rtype: requests.Response
"""
lib/requests/auth.py
+2 -2
View File
@@ -50,7 +50,7 @@ def _basic_auth_str(username, password):
"Non-string passwords will no longer be supported in Requests "
"3.0.0. Please convert the object you've passed in ({!r}) to "
"a string or bytes object in the near future to avoid "
"problems.".format(password),
"problems.".format(type(password)),
category=DeprecationWarning,
)
password = str(password)
@@ -239,7 +239,7 @@ class HTTPDigestAuth(AuthBase):
"""
# If response is not 4xx, do not auth
# See https://github.com/requests/requests/issues/3772
# See https://github.com/psf/requests/issues/3772
if not 400 <= r.status_code < 500:
self._thread_local.num_401_calls = 1
return r
lib/requests/compat.py
+13 -2
View File
@@ -8,7 +8,10 @@ This module handles import compatibility issues between Python 2 and
Python 3.
"""
import chardet
try:
import chardet
except ImportError:
import charset_normalizer as chardet
import sys
@@ -25,8 +28,10 @@ is_py2 = (_ver[0] == 2)
#: Python 3.x?
is_py3 = (_ver[0] == 3)
has_simplejson = False
try:
import simplejson as json
has_simplejson = True
except ImportError:
import json
@@ -43,15 +48,16 @@ if is_py2:
import cookielib
from Cookie import Morsel
from StringIO import StringIO
# Keep OrderedDict for backwards compatibility.
from collections import Callable, Mapping, MutableMapping, OrderedDict
builtin_str = str
bytes = str
str = unicode
basestring = basestring
numeric_types = (int, long, float)
integer_types = (int, long)
JSONDecodeError = ValueError
elif is_py3:
from urllib.parse import urlparse, urlunparse, urljoin, urlsplit, urlencode, quote, unquote, quote_plus, unquote_plus, urldefrag
@@ -59,8 +65,13 @@ elif is_py3:
from http import cookiejar as cookielib
from http.cookies import Morsel
from io import StringIO
# Keep OrderedDict for backwards compatibility.
from collections import OrderedDict
from collections.abc import Callable, Mapping, MutableMapping
if has_simplejson:
from simplejson import JSONDecodeError
else:
from json import JSONDecodeError
builtin_str = str
str = str
lib/requests/exceptions.py
+15 -8
View File
@@ -8,6 +8,8 @@ This module contains the set of Requests' exceptions.
"""
from urllib3.exceptions import HTTPError as BaseHTTPError
from .compat import JSONDecodeError as CompatJSONDecodeError
class RequestException(IOError):
"""There was an ambiguous exception that occurred while handling your
@@ -25,6 +27,14 @@ class RequestException(IOError):
super(RequestException, self).__init__(*args, **kwargs)
class InvalidJSONError(RequestException):
"""A JSON error occurred."""
class JSONDecodeError(InvalidJSONError, CompatJSONDecodeError):
"""Couldn't decode the text into json"""
class HTTPError(RequestException):
"""An HTTP error occurred."""
@@ -70,11 +80,11 @@ class TooManyRedirects(RequestException):
class MissingSchema(RequestException, ValueError):
"""The URL schema (e.g. http or https) is missing."""
"""The URL scheme (e.g. http or https) is missing."""
class InvalidSchema(RequestException, ValueError):
"""See defaults.py for valid schemas."""
"""The URL scheme provided is either invalid or unsupported."""
class InvalidURL(RequestException, ValueError):
@@ -94,11 +104,11 @@ class ChunkedEncodingError(RequestException):
class ContentDecodingError(RequestException, BaseHTTPError):
"""Failed to decode response content"""
"""Failed to decode response content."""
class StreamConsumedError(RequestException, TypeError):
"""The content for this response was already consumed"""
"""The content for this response was already consumed."""
class RetryError(RequestException):
@@ -106,21 +116,18 @@ class RetryError(RequestException):
class UnrewindableBodyError(RequestException):
"""Requests encountered an error when trying to rewind a body"""
"""Requests encountered an error when trying to rewind a body."""
# Warnings
class RequestsWarning(Warning):
"""Base warning for Requests."""
pass
class FileModeWarning(RequestsWarning, DeprecationWarning):
"""A file was opened in text mode, but Requests determined its binary length."""
pass
class RequestsDependencyWarning(RequestsWarning):
"""An imported dependency doesn't match the expected version range."""
pass
lib/requests/help.py
+18 -2
View File
@@ -8,10 +8,19 @@ import ssl
import idna
import urllib3
import chardet
from . import __version__ as requests_version
try:
import charset_normalizer
except ImportError:
charset_normalizer = None
try:
import chardet
except ImportError:
chardet = None
try:
from urllib3.contrib import pyopenssl
except ImportError:
@@ -71,7 +80,12 @@ def info():
implementation_info = _implementation()
urllib3_info = {'version': urllib3.__version__}
chardet_info = {'version': chardet.__version__}
charset_normalizer_info = {'version': None}
chardet_info = {'version': None}
if charset_normalizer:
charset_normalizer_info = {'version': charset_normalizer.__version__}
if chardet:
chardet_info = {'version': chardet.__version__}
pyopenssl_info = {
'version': None,
@@ -99,9 +113,11 @@ def info():
'implementation': implementation_info,
'system_ssl': system_ssl_info,
'using_pyopenssl': pyopenssl is not None,
'using_charset_normalizer': chardet is None,
'pyOpenSSL': pyopenssl_info,
'urllib3': urllib3_info,
'chardet': chardet_info,
'charset_normalizer': charset_normalizer_info,
'cryptography': cryptography_info,
'idna': idna_info,
'requests': {
lib/requests/models.py
+40 -20
View File
@@ -12,7 +12,7 @@ import sys
# Import encoding now, to avoid implicit import later.
# Implicit import within threads may cause LookupError when standard library is in a ZIP,
# such as in Embedded Python. See https://github.com/requests/requests/issues/3578.
# such as in Embedded Python. See https://github.com/psf/requests/issues/3578.
import encodings.idna
from urllib3.fields import RequestField
@@ -29,7 +29,9 @@ from .auth import HTTPBasicAuth
from .cookies import cookiejar_from_dict, get_cookie_header, _copy_cookie_jar
from .exceptions import (
HTTPError, MissingSchema, InvalidURL, ChunkedEncodingError,
ContentDecodingError, ConnectionError, StreamConsumedError)
ContentDecodingError, ConnectionError, StreamConsumedError,
InvalidJSONError)
from .exceptions import JSONDecodeError as RequestsJSONDecodeError
from ._internal_utils import to_native_string, unicode_is_ascii
from .utils import (
guess_filename, get_auth_from_url, requote_uri,
@@ -38,7 +40,7 @@ from .utils import (
from .compat import (
Callable, Mapping,
cookielib, urlunparse, urlsplit, urlencode, str, bytes,
is_py2, chardet, builtin_str, basestring)
is_py2, chardet, builtin_str, basestring, JSONDecodeError)
from .compat import json as complexjson
from .status_codes import codes
@@ -273,13 +275,16 @@ class PreparedRequest(RequestEncodingMixin, RequestHooksMixin):
"""The fully mutable :class:`PreparedRequest <PreparedRequest>` object,
containing the exact bytes that will be sent to the server.
Generated from either a :class:`Request <Request>` object or manually.
Instances are generated from a :class:`Request <Request>` object, and
should not be instantiated manually; doing so may produce undesirable
effects.
Usage::
>>> import requests
>>> req = requests.Request('GET', 'https://httpbin.org/get')
>>> r = req.prepare()
>>> r
<PreparedRequest [GET]>
>>> s = requests.Session()
@@ -358,7 +363,7 @@ class PreparedRequest(RequestEncodingMixin, RequestHooksMixin):
#: We're unable to blindly call unicode/str functions
#: as this will include the bytestring indicator (b'')
#: on python 3.x.
#: https://github.com/requests/requests/pull/2238
#: https://github.com/psf/requests/pull/2238
if isinstance(url, bytes):
url = url.decode('utf8')
else:
@@ -381,7 +386,7 @@ class PreparedRequest(RequestEncodingMixin, RequestHooksMixin):
raise InvalidURL(*e.args)
if not scheme:
error = ("Invalid URL {0!r}: No schema supplied. Perhaps you meant http://{0}?")
error = ("Invalid URL {0!r}: No scheme supplied. Perhaps you meant http://{0}?")
error = error.format(to_native_string(url, 'utf8'))
raise MissingSchema(error)
@@ -398,7 +403,7 @@ class PreparedRequest(RequestEncodingMixin, RequestHooksMixin):
host = self._get_idna_encoded_host(host)
except UnicodeError:
raise InvalidURL('URL has an invalid label.')
elif host.startswith(u'*'):
elif host.startswith((u'*', u'.')):
raise InvalidURL('URL has an invalid label.')
# Carefully reconstruct the network location
@@ -463,7 +468,12 @@ class PreparedRequest(RequestEncodingMixin, RequestHooksMixin):
# urllib3 requires a bytes-like body. Python 2's json.dumps
# provides this natively, but Python 3 gives a Unicode string.
content_type = 'application/json'
body = complexjson.dumps(json)
try:
body = complexjson.dumps(json, allow_nan=False)
except ValueError as ve:
raise InvalidJSONError(ve, request=self)
if not isinstance(body, bytes):
body = body.encode('utf-8')
@@ -472,12 +482,12 @@ class PreparedRequest(RequestEncodingMixin, RequestHooksMixin):
not isinstance(data, (basestring, list, tuple, Mapping))
])
try:
length = super_len(data)
except (TypeError, AttributeError, UnsupportedOperation):
length = None
if is_stream:
try:
length = super_len(data)
except (TypeError, AttributeError, UnsupportedOperation):
length = None
body = data
if getattr(body, 'tell', None) is not None:
@@ -608,7 +618,7 @@ class Response(object):
#: File-like object representation of response (for advanced usage).
#: Use of ``raw`` requires that ``stream=True`` be set on the request.
# This requirement does not apply for use internally to Requests.
#: This requirement does not apply for use internally to Requests.
self.raw = None
#: Final URL location of Response.
@@ -723,7 +733,7 @@ class Response(object):
@property
def apparent_encoding(self):
"""The apparent encoding, provided by the chardet library."""
"""The apparent encoding, provided by the charset_normalizer or chardet libraries."""
return chardet.detect(self.content)['encoding']
def iter_content(self, chunk_size=1, decode_unicode=False):
@@ -837,7 +847,7 @@ class Response(object):
"""Content of the response, in unicode.
If Response.encoding is None, encoding will be guessed using
``chardet``.
``charset_normalizer`` or ``chardet``.
The encoding of the response content is determined based solely on HTTP
headers, following RFC 2616 to the letter. If you can take advantage of
@@ -874,13 +884,14 @@ class Response(object):
r"""Returns the json-encoded content of a response, if any.
:param \*\*kwargs: Optional arguments that ``json.loads`` takes.
:raises ValueError: If the response body does not contain valid json.
:raises requests.exceptions.JSONDecodeError: If the response body does not
contain valid json.
"""
if not self.encoding and self.content and len(self.content) > 3:
# No encoding set. JSON RFC 4627 section 3 states we should expect
# UTF-8, -16 or -32. Detect which one to use; If the detection or
# decoding fails, fall back to `self.text` (using chardet to make
# decoding fails, fall back to `self.text` (using charset_normalizer to make
# a best guess).
encoding = guess_json_utf(self.content)
if encoding is not None:
@@ -894,7 +905,16 @@ class Response(object):
# and the server didn't bother to tell us what codec *was*
# used.
pass
return complexjson.loads(self.text, **kwargs)
try:
return complexjson.loads(self.text, **kwargs)
except JSONDecodeError as e:
# Catch JSON-related errors and raise as requests.JSONDecodeError
# This aliases json.JSONDecodeError and simplejson.JSONDecodeError
if is_py2: # e is a ValueError
raise RequestsJSONDecodeError(e.message)
else:
raise RequestsJSONDecodeError(e.msg, e.doc, e.pos)
@property
def links(self):
@@ -915,7 +935,7 @@ class Response(object):
return l
def raise_for_status(self):
"""Raises stored :class:`HTTPError`, if one occurred."""
"""Raises :class:`HTTPError`, if one occurred."""
http_error_msg = ''
if isinstance(self.reason, bytes):
lib/requests/packages.py
+13 -1
View File
@@ -1,9 +1,17 @@
import sys
try:
import chardet
except ImportError:
import charset_normalizer as chardet
import warnings
warnings.filterwarnings('ignore', 'Trying to detect', module='charset_normalizer')
# This code exists for backwards compatibility reasons.
# I don't like it either. Just look the other way. :)
for package in ('urllib3', 'idna', 'chardet'):
for package in ('urllib3', 'idna'):
locals()[package] = __import__(package)
# This traversal is apparently necessary such that the identities are
# preserved (requests.packages.urllib3.* is urllib3.*)
@@ -11,4 +19,8 @@ for package in ('urllib3', 'idna', 'chardet'):
if mod == package or mod.startswith(package + '.'):
sys.modules['requests.packages.' + mod] = sys.modules[mod]
target = chardet.__name__
for mod in list(sys.modules):
if mod == target or mod.startswith(target + '.'):
sys.modules['requests.packages.' + target.replace(target, 'chardet')] = sys.modules[mod]
# Kinda cool, though, right?
lib/requests/sessions.py
+38 -37
View File
@@ -1,8 +1,8 @@
# -*- coding: utf-8 -*-
"""
requests.session
~~~~~~~~~~~~~~~~
requests.sessions
~~~~~~~~~~~~~~~~~
This module provides a Session object to manage and persist settings across
requests (cookies, auth, proxies).
@@ -11,9 +11,10 @@ import os
import sys
import time
from datetime import timedelta
from collections import OrderedDict
from .auth import _basic_auth_str
from .compat import cookielib, is_py3, OrderedDict, urljoin, urlparse, Mapping
from .compat import cookielib, is_py3, urljoin, urlparse, Mapping
from .cookies import (
cookiejar_from_dict, extract_cookies_to_jar, RequestsCookieJar, merge_cookies)
from .models import Request, PreparedRequest, DEFAULT_REDIRECT_LIMIT
@@ -28,7 +29,7 @@ from .adapters import HTTPAdapter
from .utils import (
requote_uri, get_environ_proxies, get_netrc_auth, should_bypass_proxies,
get_auth_from_url, rewind_body
get_auth_from_url, rewind_body, resolve_proxies
)
from .status_codes import codes
@@ -162,7 +163,7 @@ class SessionRedirectMixin(object):
resp.raw.read(decode_content=False)
if len(resp.history) >= self.max_redirects:
raise TooManyRedirects('Exceeded %s redirects.' % self.max_redirects, response=resp)
raise TooManyRedirects('Exceeded {} redirects.'.format(self.max_redirects), response=resp)
# Release the connection back into the pool.
resp.close()
@@ -170,7 +171,7 @@ class SessionRedirectMixin(object):
# Handle redirection without scheme (see: RFC 1808 Section 4)
if url.startswith('//'):
parsed_rurl = urlparse(resp.url)
url = '%s:%s' % (to_native_string(parsed_rurl.scheme), url)
url = ':'.join([to_native_string(parsed_rurl.scheme), url])
# Normalize url case and attach previous fragment if needed (RFC 7231 7.1.2)
parsed = urlparse(url)
@@ -192,19 +193,16 @@ class SessionRedirectMixin(object):
self.rebuild_method(prepared_request, resp)
# https://github.com/requests/requests/issues/1084
# https://github.com/psf/requests/issues/1084
if resp.status_code not in (codes.temporary_redirect, codes.permanent_redirect):
# https://github.com/requests/requests/issues/3490
# https://github.com/psf/requests/issues/3490
purged_headers = ('Content-Length', 'Content-Type', 'Transfer-Encoding')
for header in purged_headers:
prepared_request.headers.pop(header, None)
prepared_request.body = None
headers = prepared_request.headers
try:
del headers['Cookie']
except KeyError:
pass
headers.pop('Cookie', None)
# Extract any cookies sent on the response to the cookiejar
# in the new request. Because we've mutated our copied prepared
@@ -271,8 +269,6 @@ class SessionRedirectMixin(object):
if new_auth is not None:
prepared_request.prepare_auth(new_auth)
return
def rebuild_proxies(self, prepared_request, proxies):
"""This method re-evaluates the proxy configuration by considering the
environment variables. If we are redirected to a URL covered by
@@ -285,21 +281,9 @@ class SessionRedirectMixin(object):
:rtype: dict
"""
proxies = proxies if proxies is not None else {}
headers = prepared_request.headers
url = prepared_request.url
scheme = urlparse(url).scheme
new_proxies = proxies.copy()
no_proxy = proxies.get('no_proxy')
bypass_proxy = should_bypass_proxies(url, no_proxy=no_proxy)
if self.trust_env and not bypass_proxy:
environ_proxies = get_environ_proxies(url, no_proxy=no_proxy)
proxy = environ_proxies.get(scheme, environ_proxies.get('all'))
if proxy:
new_proxies.setdefault(scheme, proxy)
scheme = urlparse(prepared_request.url).scheme
new_proxies = resolve_proxies(prepared_request, proxies, self.trust_env)
if 'Proxy-Authorization' in headers:
del headers['Proxy-Authorization']
@@ -352,13 +336,13 @@ class Session(SessionRedirectMixin):
Or as a context manager::
>>> with requests.Session() as s:
>>> s.get('https://httpbin.org/get')
... s.get('https://httpbin.org/get')
<Response [200]>
"""
__attrs__ = [
'headers', 'cookies', 'auth', 'proxies', 'hooks', 'params', 'verify',
'cert', 'prefetch', 'adapters', 'stream', 'trust_env',
'cert', 'adapters', 'stream', 'trust_env',
'max_redirects',
]
@@ -390,6 +374,13 @@ class Session(SessionRedirectMixin):
self.stream = False
#: SSL Verification default.
#: Defaults to `True`, requiring requests to verify the TLS certificate at the
#: remote end.
#: If verify is set to `False`, requests will accept any TLS certificate
#: presented by the server, and will ignore hostname mismatches and/or
#: expired certificates, which will make your application vulnerable to
#: man-in-the-middle (MitM) attacks.
#: Only set this to `False` for testing.
self.verify = True
#: SSL client certificate default, if String, path to ssl client
@@ -498,7 +489,12 @@ class Session(SessionRedirectMixin):
content. Defaults to ``False``.
:param verify: (optional) Either a boolean, in which case it controls whether we verify
the server's TLS certificate, or a string, in which case it must be a path
to a CA bundle to use. Defaults to ``True``.
to a CA bundle to use. Defaults to ``True``. When set to
``False``, requests will accept any TLS certificate presented by
the server, and will ignore hostname mismatches and/or expired
certificates, which will make your application vulnerable to
man-in-the-middle (MitM) attacks. Setting verify to ``False``
may be useful during local development or testing.
:param cert: (optional) if String, path to ssl client cert file (.pem).
If Tuple, ('cert', 'key') pair.
:rtype: requests.Response
@@ -624,7 +620,10 @@ class Session(SessionRedirectMixin):
kwargs.setdefault('stream', self.stream)
kwargs.setdefault('verify', self.verify)
kwargs.setdefault('cert', self.cert)
kwargs.setdefault('proxies', self.proxies)
if 'proxies' not in kwargs:
kwargs['proxies'] = resolve_proxies(
request, self.proxies, self.trust_env
)
# It's possible that users might accidentally send a Request object.
# Guard against that specific failure case.
@@ -661,11 +660,13 @@ class Session(SessionRedirectMixin):
extract_cookies_to_jar(self.cookies, request, r.raw)
# Redirect resolving generator.
gen = self.resolve_redirects(r, request, **kwargs)
# Resolve redirects if allowed.
history = [resp for resp in gen] if allow_redirects else []
if allow_redirects:
# Redirect resolving generator.
gen = self.resolve_redirects(r, request, **kwargs)
history = [resp for resp in gen]
else:
history = []
# Shuffle things around if there's history.
if history:
@@ -728,7 +729,7 @@ class Session(SessionRedirectMixin):
return adapter
# Nothing matches :-/
raise InvalidSchema("No connection adapters were found for '%s'" % url)
raise InvalidSchema("No connection adapters were found for {!r}".format(url))
def close(self):
"""Closes all adapters and as such the session"""
lib/requests/status_codes.py
+9 -6
View File
@@ -5,12 +5,15 @@ The ``codes`` object defines a mapping from common names for HTTP statuses
to their numerical codes, accessible either as attributes or as dictionary
items.
>>> requests.codes['temporary_redirect']
307
>>> requests.codes.teapot
418
>>> requests.codes['\o/']
200
Example::
>>> import requests
>>> requests.codes['temporary_redirect']
307
>>> requests.codes.teapot
418
>>> requests.codes['\o/']
200
Some codes have multiple names, and both upper- and lower-case versions of
the names are allowed. For example, ``codes.ok``, ``codes.OK``, and
lib/requests/structures.py
+3 -1
View File
@@ -7,7 +7,9 @@ requests.structures
Data structures that power Requests.
"""
from .compat import OrderedDict, Mapping, MutableMapping
from collections import OrderedDict
from .compat import Mapping, MutableMapping
class CaseInsensitiveDict(MutableMapping):
lib/requests/utils.py
+100 -17
View File
@@ -19,6 +19,9 @@ import sys
import tempfile
import warnings
import zipfile
from collections import OrderedDict
from urllib3.util import make_headers
from urllib3.util import parse_url
from .__version__ import __version__
from . import certs
@@ -26,7 +29,7 @@ from . import certs
from ._internal_utils import to_native_string
from .compat import parse_http_list as _parse_list_header
from .compat import (
quote, urlparse, bytes, str, OrderedDict, unquote, getproxies,
quote, urlparse, bytes, str, unquote, getproxies,
proxy_bypass, urlunparse, basestring, integer_types, is_py3,
proxy_bypass_environment, getproxies_environment, Mapping)
from .cookies import cookiejar_from_dict
@@ -40,6 +43,11 @@ DEFAULT_CA_BUNDLE_PATH = certs.where()
DEFAULT_PORTS = {'http': 80, 'https': 443}
# Ensure that ', ' is used to preserve previous delimiter behavior.
DEFAULT_ACCEPT_ENCODING = ", ".join(
re.split(r",\s*", make_headers(accept_encoding=True)["accept-encoding"])
)
if sys.platform == 'win32':
# provide a proxy_bypass version on Windows without DNS lookups
@@ -117,7 +125,10 @@ def super_len(o):
elif hasattr(o, 'fileno'):
try:
fileno = o.fileno()
except io.UnsupportedOperation:
except (io.UnsupportedOperation, AttributeError):
# AttributeError is a surprising exception, seeing as how we've just checked
# that `hasattr(o, 'fileno')`. It happens for objects obtained via
# `Tarfile.extractfile()`, per issue 5229.
pass
else:
total_length = os.fstat(fileno).st_size
@@ -147,7 +158,7 @@ def super_len(o):
current_position = total_length
else:
if hasattr(o, 'seek') and total_length is None:
# StringIO and BytesIO have seek but no useable fileno
# StringIO and BytesIO have seek but no usable fileno
try:
# seek to end of file
o.seek(0, 2)
@@ -168,18 +179,24 @@ def super_len(o):
def get_netrc_auth(url, raise_errors=False):
"""Returns the Requests tuple auth for a given url from netrc."""
netrc_file = os.environ.get('NETRC')
if netrc_file is not None:
netrc_locations = (netrc_file,)
else:
netrc_locations = ('~/{}'.format(f) for f in NETRC_FILES)
try:
from netrc import netrc, NetrcParseError
netrc_path = None
for f in NETRC_FILES:
for f in netrc_locations:
try:
loc = os.path.expanduser('~/{}'.format(f))
loc = os.path.expanduser(f)
except KeyError:
# os.path.expanduser can fail when $HOME is undefined and
# getpwuid fails. See https://bugs.python.org/issue20164 &
# https://github.com/requests/requests/issues/1846
# https://github.com/psf/requests/issues/1846
return
if os.path.exists(loc):
@@ -211,7 +228,7 @@ def get_netrc_auth(url, raise_errors=False):
if raise_errors:
raise
# AppEngine hackiness.
# App Engine hackiness.
except (ImportError, AttributeError):
pass
@@ -238,6 +255,10 @@ def extract_zipped_paths(path):
archive, member = os.path.split(path)
while archive and not os.path.exists(archive):
archive, prefix = os.path.split(archive)
if not prefix:
# If we don't check for an empty prefix after the split (in other words, archive remains unchanged after the split),
# we _can_ end up in an infinite loop on a rare corner case affecting a small number of users
break
member = '/'.join([prefix, member])
if not zipfile.is_zipfile(archive):
@@ -249,13 +270,28 @@ def extract_zipped_paths(path):
# we have a valid zip archive and a valid member of that archive
tmp = tempfile.gettempdir()
extracted_path = os.path.join(tmp, *member.split('/'))
extracted_path = os.path.join(tmp, member.split('/')[-1])
if not os.path.exists(extracted_path):
extracted_path = zip_file.extract(member, path=tmp)
# use read + write to avoid the creating nested folders, we only want the file, avoids mkdir racing condition
with atomic_open(extracted_path) as file_handler:
file_handler.write(zip_file.read(member))
return extracted_path
@contextlib.contextmanager
def atomic_open(filename):
"""Write a file to the disk in an atomic fashion"""
replacer = os.rename if sys.version_info[0] == 2 else os.replace
tmp_descriptor, tmp_name = tempfile.mkstemp(dir=os.path.dirname(filename))
try:
with os.fdopen(tmp_descriptor, 'wb') as tmp_handler:
yield tmp_handler
replacer(tmp_name, filename)
except BaseException:
os.remove(tmp_name)
raise
def from_key_val_list(value):
"""Take an object and test to see if it can be represented as a
dictionary. Unless it can not be represented as such, return an
@@ -266,6 +302,8 @@ def from_key_val_list(value):
>>> from_key_val_list([('key', 'val')])
OrderedDict([('key', 'val')])
>>> from_key_val_list('string')
Traceback (most recent call last):
...
ValueError: cannot encode objects that are not 2-tuples
>>> from_key_val_list({'key': 'val'})
OrderedDict([('key', 'val')])
@@ -292,7 +330,9 @@ def to_key_val_list(value):
>>> to_key_val_list({'key': 'val'})
[('key', 'val')]
>>> to_key_val_list('string')
ValueError: cannot encode objects that are not 2-tuples.
Traceback (most recent call last):
...
ValueError: cannot encode objects that are not 2-tuples
:rtype: list
"""
@@ -492,6 +532,10 @@ def get_encoding_from_headers(headers):
if 'text' in content_type:
return 'ISO-8859-1'
if 'application/json' in content_type:
# Assume UTF-8 based on RFC 4627: https://www.ietf.org/rfc/rfc4627.txt since the charset was unset
return 'utf-8'
def stream_decode_response_unicode(iterator, r):
"""Stream decodes a iterator."""
@@ -790,6 +834,33 @@ def select_proxy(url, proxies):
return proxy
def resolve_proxies(request, proxies, trust_env=True):
"""This method takes proxy information from a request and configuration
input to resolve a mapping of target proxies. This will consider settings
such a NO_PROXY to strip proxy configurations.
:param request: Request or PreparedRequest
:param proxies: A dictionary of schemes or schemes and hosts to proxy URLs
:param trust_env: Boolean declaring whether to trust environment configs
:rtype: dict
"""
proxies = proxies if proxies is not None else {}
url = request.url
scheme = urlparse(url).scheme
no_proxy = proxies.get('no_proxy')
new_proxies = proxies.copy()
if trust_env and not should_bypass_proxies(url, no_proxy=no_proxy):
environ_proxies = get_environ_proxies(url, no_proxy=no_proxy)
proxy = environ_proxies.get(scheme, environ_proxies.get('all'))
if proxy:
new_proxies.setdefault(scheme, proxy)
return new_proxies
def default_user_agent(name="python-requests"):
"""
Return a string representing the default user agent.
@@ -805,7 +876,7 @@ def default_headers():
"""
return CaseInsensitiveDict({
'User-Agent': default_user_agent(),
'Accept-Encoding': ', '.join(('gzip', 'deflate')),
'Accept-Encoding': DEFAULT_ACCEPT_ENCODING,
'Accept': '*/*',
'Connection': 'keep-alive',
})
@@ -892,15 +963,27 @@ def prepend_scheme_if_needed(url, new_scheme):
:rtype: str
"""
scheme, netloc, path, params, query, fragment = urlparse(url, new_scheme)
parsed = parse_url(url)
scheme, auth, host, port, path, query, fragment = parsed
# urlparse is a finicky beast, and sometimes decides that there isn't a
# netloc present. Assume that it's being over-cautious, and switch netloc
# and path if urlparse decided there was no netloc.
# A defect in urlparse determines that there isn't a netloc present in some
# urls. We previously assumed parsing was overly cautious, and swapped the
# netloc and path. Due to a lack of tests on the original defect, this is
# maintained with parse_url for backwards compatibility.
netloc = parsed.netloc
if not netloc:
netloc, path = path, netloc
return urlunparse((scheme, netloc, path, params, query, fragment))
if auth:
# parse_url doesn't provide the netloc with auth
# so we'll add it ourselves.
netloc = '@'.join([auth, netloc])
if scheme is None:
scheme = new_scheme
if path is None:
path = ''
return urlunparse((scheme, netloc, path, '', query, fragment))
def get_auth_from_url(url):