Upgrade Requests to 2.27.1

news/requests.vendor.rst

@@ -0,0 +1 @@
+Upgrade Requests to 2.27.1

src/pip/_vendor/requests/__init__.py

@@ -141,7 +141,7 @@ 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.

src/pip/_vendor/requests/__version__.py

@@ -5,10 +5,10 @@
 __title__ = 'requests'
 __description__ = 'Python HTTP for Humans.'
 __url__ = 'https://requests.readthedocs.io'
-__version__ = '2.26.0'
-__build__ = 0x022600
+__version__ = '2.27.1'
+__build__ = 0x022701
 __author__ = 'Kenneth Reitz'
 __author_email__ = 'me@kennethreitz.org'
 __license__ = 'Apache 2.0'
-__copyright__ = 'Copyright 2020 Kenneth Reitz'
+__copyright__ = 'Copyright 2022 Kenneth Reitz'
 __cake__ = u'\u2728 \U0001f370 \u2728'

src/pip/_vendor/requests/adapters.py

@@ -19,6 +19,7 @@ from pip._vendor.urllib3.util.retry import Retry
 from pip._vendor.urllib3.exceptions import ClosedPoolError
 from pip._vendor.urllib3.exceptions import ConnectTimeoutError
 from pip._vendor.urllib3.exceptions import HTTPError as _HTTPError
+from pip._vendor.urllib3.exceptions import InvalidHeader as _InvalidHeader
 from pip._vendor.urllib3.exceptions import MaxRetryError
 from pip._vendor.urllib3.exceptions import NewConnectionError
 from pip._vendor.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
 

src/pip/_vendor/requests/compat.py

@@ -50,13 +50,13 @@ if is_py2:
     # 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
@@ -67,6 +67,7 @@ elif is_py3:
     # Keep OrderedDict for backwards compatibility.
     from collections import OrderedDict
     from collections.abc import Callable, Mapping, MutableMapping
+    from json import JSONDecodeError
 
     builtin_str = str
     str = str

src/pip/_vendor/requests/exceptions.py

@@ -8,6 +8,8 @@ This module contains the set of Requests' exceptions.
 """
 from pip._vendor.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
@@ -29,6 +31,10 @@ 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."""
 
@@ -74,11 +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):

src/pip/_vendor/requests/models.py

@@ -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, InvalidJSONError)
+    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
 
@@ -384,7 +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)
@@ -401,7 +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
@@ -468,9 +470,9 @@ class PreparedRequest(RequestEncodingMixin, RequestHooksMixin):
             content_type = 'application/json'
 
             try:
-              body = complexjson.dumps(json, allow_nan=False)
+                body = complexjson.dumps(json, allow_nan=False)
             except ValueError as ve:
-              raise InvalidJSONError(ve, request=self)
+                raise InvalidJSONError(ve, request=self)
 
             if not isinstance(body, bytes):
                 body = body.encode('utf-8')
@@ -882,12 +884,8 @@ class Response(object):
         r"""Returns the json-encoded content of a response, if any.
 
         :param \*\*kwargs: Optional arguments that ``json.loads`` takes.
-        :raises simplejson.JSONDecodeError: If the response body does not
-            contain valid json and simplejson is installed.
-        :raises json.JSONDecodeError: If the response body does not contain
-            valid json and simplejson is not installed on Python 3.
-        :raises ValueError: If the response body does not contain valid
-            json and simplejson is not installed on Python 2.        
+        :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:
@@ -907,7 +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):

src/pip/_vendor/requests/sessions.py

@@ -29,7 +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
@@ -269,7 +269,6 @@ class SessionRedirectMixin(object):
         if new_auth is not None:
             prepared_request.prepare_auth(new_auth)
 
-
     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
@@ -282,21 +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']
@@ -633,7 +620,10 @@ class Session(SessionRedirectMixin):
         kwargs.setdefault('stream', self.stream)
         kwargs.setdefault('verify', self.verify)
         kwargs.setdefault('cert', self.cert)
-        kwargs.setdefault('proxies', self.rebuild_proxies(request, 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.

src/pip/_vendor/requests/utils.py

@@ -21,6 +21,7 @@ import warnings
 import zipfile
 from collections import OrderedDict
 from pip._vendor.urllib3.util import make_headers
+from pip._vendor.urllib3.util import parse_url
 
 from .__version__ import __version__
 from . import certs
@@ -124,7 +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
@@ -154,7 +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)
@@ -251,6 +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):
@@ -826,6 +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.
@@ -928,15 +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):

src/pip/_vendor/vendor.txt

@@ -9,7 +9,7 @@ pep517==0.12.0
 platformdirs==2.4.0
 progress==1.6
 pyparsing==2.4.7
-requests==2.26.0
+requests==2.27.1
     certifi==2021.05.30
     chardet==4.0.0
     idna==3.2

tools/vendoring/patches/requests.patch

@@ -81,12 +81,14 @@ index 409b7b028..9e2937167 100644
 
  import sys
 
-@@ -28,10 +25,14 @@ is_py2 = (_ver[0] == 2)
+@@ -28,12 +28,14 @@ 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
 +# Note: We've patched out simplejson support in pip because it prevents
@@ -100,6 +102,18 @@ index 409b7b028..9e2937167 100644
 
  # ---------
  # Specifics
+@@ -68,10 +70,7 @@ elif is_py3:
+     # 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
++    from json import JSONDecodeError
+
+     builtin_str = str
+     str = str
 
 diff --git a/src/pip/_vendor/requests/help.py b/src/pip/_vendor/requests/help.py
 index 3a843404c..745f0d7b3 100644