stevazi/addon
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 3 Wiki Activity

aggiornamento librerie

Browse Source
This commit is contained in:
marco
2019-12-14 13:14:43 +01:00
parent 71aaa90a3d
commit f9c7b7bef9
154 changed files with 3971 additions and 47232 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
lib/requests/__init__.py
View File

@@ -22,7 +22,7 @@ usage:
... or POST:
>>> payload = dict(key1='value1', key2='value2')
>>> r = requests.post('http://httpbin.org/post', data=payload)
>>> r = requests.post('https://httpbin.org/post', data=payload)
>>> print(r.text)
{
...
@@ -57,10 +57,10 @@ 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, <= 1.23
# urllib3 >= 1.21.1, <= 1.25
assert major == 1
assert minor >= 21
assert minor <= 23
assert minor <= 25
# Check chardet for compatibility.
major, minor, patch = chardet_version.split('.')[:3]
@@ -79,14 +79,14 @@ def _check_cryptography(cryptography_version):
return
if cryptography_version < [1, 3, 4]:
warning = 'Old version of cryptography ({0}) may cause slowdown.'.format(cryptography_version)
warning = 'Old version of cryptography ({}) may cause slowdown.'.format(cryptography_version)
warnings.warn(warning, RequestsDependencyWarning)
# Check imported dependencies for compatibility.
try:
check_compatibility(urllib3.__version__, chardet.__version__)
except (AssertionError, ValueError):
warnings.warn("urllib3 ({0}) or chardet ({1}) doesn't match a supported "
warnings.warn("urllib3 ({}) or chardet ({}) doesn't match a supported "
"version!".format(urllib3.__version__, chardet.__version__),
RequestsDependencyWarning)
@@ -123,12 +123,7 @@ from .exceptions import (
# Set default logging handler to avoid "No handler found" warnings.
import logging
try: # Python 2.7+
from logging import NullHandler
except ImportError:
class NullHandler(logging.Handler):
def emit(self, record):
pass
from logging import NullHandler
logging.getLogger(__name__).addHandler(NullHandler())

6
lib/requests/__version__.py
View File

@@ -5,10 +5,10 @@
__title__ = 'requests'
__description__ = 'Python HTTP for Humans.'
__url__ = 'http://python-requests.org'
__version__ = '2.19.1'
__build__ = 0x021901
__version__ = '2.22.0'
__build__ = 0x022200
__author__ = 'Kenneth Reitz'
__author_email__ = 'me@kennethreitz.org'
__license__ = 'Apache 2.0'
__copyright__ = 'Copyright 2018 Kenneth Reitz'
__copyright__ = 'Copyright 2019 Kenneth Reitz'
__cake__ = u'\u2728 \U0001f370 \u2728'

27
lib/requests/adapters.py
View File

@@ -26,6 +26,7 @@ from urllib3.exceptions import ProtocolError
from urllib3.exceptions import ReadTimeoutError
from urllib3.exceptions import SSLError as _SSLError
from urllib3.exceptions import ResponseError
from urllib3.exceptions import LocationValueError
from .models import Response
from .compat import urlparse, basestring
@@ -35,7 +36,8 @@ from .utils import (DEFAULT_CA_BUNDLE_PATH, extract_zipped_paths,
from .structures import CaseInsensitiveDict
from .cookies import extract_cookies_to_jar
from .exceptions import (ConnectionError, ConnectTimeout, ReadTimeout, SSLError,
ProxyError, RetryError, InvalidSchema, InvalidProxyURL)
ProxyError, RetryError, InvalidSchema, InvalidProxyURL,
InvalidURL)
from .auth import _basic_auth_str
try:
@@ -127,8 +129,7 @@ class HTTPAdapter(BaseAdapter):
self.init_poolmanager(pool_connections, pool_maxsize, block=pool_block)
def __getstate__(self):
return dict((attr, getattr(self, attr, None)) for attr in
self.__attrs__)
return {attr: getattr(self, attr, None) for attr in self.__attrs__}
def __setstate__(self, state):
# Can't handle by adding 'proxy_manager' to self.__attrs__ because
@@ -224,7 +225,7 @@ class HTTPAdapter(BaseAdapter):
if not cert_loc or not os.path.exists(cert_loc):
raise IOError("Could not find a suitable TLS CA certificate bundle, "
"invalid path: {0}".format(cert_loc))
"invalid path: {}".format(cert_loc))
conn.cert_reqs = 'CERT_REQUIRED'
@@ -246,10 +247,10 @@ class HTTPAdapter(BaseAdapter):
conn.key_file = None
if conn.cert_file and not os.path.exists(conn.cert_file):
raise IOError("Could not find the TLS certificate file, "
"invalid path: {0}".format(conn.cert_file))
"invalid path: {}".format(conn.cert_file))
if conn.key_file and not os.path.exists(conn.key_file):
raise IOError("Could not find the TLS key file, "
"invalid path: {0}".format(conn.key_file))
"invalid path: {}".format(conn.key_file))
def build_response(self, req, resp):
"""Builds a :class:`Response <requests.Response>` object from a urllib3
@@ -378,7 +379,7 @@ class HTTPAdapter(BaseAdapter):
when subclassing the
:class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
:param proxies: The url of the proxy being used for this request.
:param proxy: The url of the proxy being used for this request.
:rtype: dict
"""
headers = {}
@@ -407,7 +408,10 @@ class HTTPAdapter(BaseAdapter):
:rtype: requests.Response
"""
conn = self.get_connection(request.url, proxies)
try:
conn = self.get_connection(request.url, proxies)
except LocationValueError as e:
raise InvalidURL(e, request=request)
self.cert_verify(conn, request.url, verify, cert)
url = self.request_url(request, proxies)
@@ -421,7 +425,7 @@ class HTTPAdapter(BaseAdapter):
timeout = TimeoutSauce(connect=connect, read=read)
except ValueError as e:
# this may raise a string formatting error.
err = ("Invalid timeout {0}. Pass a (connect, read) "
err = ("Invalid timeout {}. Pass a (connect, read) "
"timeout tuple, or a single float to set "
"both timeouts to the same value".format(timeout))
raise ValueError(err)
@@ -471,11 +475,10 @@ class HTTPAdapter(BaseAdapter):
# Receive the response from the server
try:
# For Python 2.7+ versions, use buffering of HTTP
# responses
# For Python 2.7, use buffering of HTTP responses
r = low_conn.getresponse(buffering=True)
except TypeError:
# For compatibility with Python 2.6 versions and back
# For compatibility with Python 3.3+
r = low_conn.getresponse()
resp = HTTPResponse.from_httplib(

20
lib/requests/api.py
View File

@@ -18,8 +18,10 @@ def request(method, url, **kwargs):
:param method: method for the new :class:`Request` object.
:param url: URL for the new :class:`Request` object.
:param params: (optional) Dictionary or bytes to be sent in the query string for the :class:`Request`.
:param data: (optional) Dictionary or list of tuples ``[(key, value)]`` (will be form-encoded), bytes, or file-like object to send in the body of the :class:`Request`.
:param params: (optional) Dictionary, list of tuples or bytes to send
in the query string for the :class:`Request`.
:param data: (optional) Dictionary, list of tuples, bytes, or file-like
object to send in the body of the :class:`Request`.
:param json: (optional) A JSON serializable Python object to send in the body of the :class:`Request`.
:param headers: (optional) Dictionary of HTTP Headers to send with the :class:`Request`.
:param cookies: (optional) Dict or CookieJar object to send with the :class:`Request`.
@@ -47,7 +49,7 @@ def request(method, url, **kwargs):
Usage::
>>> import requests
>>> req = requests.request('GET', 'http://httpbin.org/get')
>>> req = requests.request('GET', 'https://httpbin.org/get')
<Response [200]>
"""
@@ -62,7 +64,8 @@ def get(url, params=None, **kwargs):
r"""Sends a GET request.
:param url: URL for the new :class:`Request` object.
:param params: (optional) Dictionary or bytes to be sent in the query string for the :class:`Request`.
:param params: (optional) Dictionary, list of tuples or bytes to send
in the query string for the :class:`Request`.
:param \*\*kwargs: Optional arguments that ``request`` takes.
:return: :class:`Response <Response>` object
:rtype: requests.Response
@@ -102,7 +105,8 @@ def post(url, data=None, json=None, **kwargs):
r"""Sends a POST request.
:param url: URL for the new :class:`Request` object.
:param data: (optional) Dictionary (will be form-encoded), bytes, or file-like object to send in the body of the :class:`Request`.
:param data: (optional) Dictionary, list of tuples, bytes, or file-like
object to send in the body of the :class:`Request`.
:param json: (optional) json data to send in the body of the :class:`Request`.
:param \*\*kwargs: Optional arguments that ``request`` takes.
:return: :class:`Response <Response>` object
@@ -116,7 +120,8 @@ def put(url, data=None, **kwargs):
r"""Sends a PUT request.
:param url: URL for the new :class:`Request` object.
:param data: (optional) Dictionary (will be form-encoded), bytes, or file-like object to send in the body of the :class:`Request`.
:param data: (optional) Dictionary, list of tuples, bytes, or file-like
object to send in the body of the :class:`Request`.
:param json: (optional) json data to send in the body of the :class:`Request`.
:param \*\*kwargs: Optional arguments that ``request`` takes.
:return: :class:`Response <Response>` object
@@ -130,7 +135,8 @@ def patch(url, data=None, **kwargs):
r"""Sends a PATCH request.
:param url: URL for the new :class:`Request` object.
:param data: (optional) Dictionary (will be form-encoded), bytes, or file-like object to send in the body of the :class:`Request`.
:param data: (optional) Dictionary, list of tuples, bytes, or file-like
object to send in the body of the :class:`Request`.
:param json: (optional) json data to send in the body of the :class:`Request`.
:param \*\*kwargs: Optional arguments that ``request`` takes.
:return: :class:`Response <Response>` object

4
lib/requests/auth.py
View File

@@ -38,7 +38,7 @@ def _basic_auth_str(username, password):
if not isinstance(username, basestring):
warnings.warn(
"Non-string usernames will no longer be supported in Requests "
"3.0.0. Please convert the object you've passed in ({0!r}) to "
"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(username),
category=DeprecationWarning,
@@ -48,7 +48,7 @@ def _basic_auth_str(username, password):
if not isinstance(password, basestring):
warnings.warn(
"Non-string passwords will no longer be supported in Requests "
"3.0.0. Please convert the object you've passed in ({0!r}) to "
"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),
category=DeprecationWarning,

3
lib/requests/compat.py
View File

@@ -43,9 +43,8 @@ if is_py2:
import cookielib
from Cookie import Morsel
from StringIO import StringIO
from collections import Callable, Mapping, MutableMapping
from collections import Callable, Mapping, MutableMapping, OrderedDict
from urllib3.packages.ordered_dict import OrderedDict
builtin_str = str
bytes = str

31
lib/requests/cookies.py
View File

@@ -444,20 +444,21 @@ def create_cookie(name, value, **kwargs):
By default, the pair of `name` and `value` will be set for the domain ''
and sent on every request (this is sometimes called a "supercookie").
"""
result = dict(
version=0,
name=name,
value=value,
port=None,
domain='',
path='/',
secure=False,
expires=None,
discard=True,
comment=None,
comment_url=None,
rest={'HttpOnly': None},
rfc2109=False,)
result = {
'version': 0,
'name': name,
'value': value,
'port': None,
'domain': '',
'path': '/',
'secure': False,
'expires': None,
'discard': True,
'comment': None,
'comment_url': None,
'rest': {'HttpOnly': None},
'rfc2109': False,
}
badargs = set(kwargs) - set(result)
if badargs:
@@ -511,6 +512,7 @@ def cookiejar_from_dict(cookie_dict, cookiejar=None, overwrite=True):
:param cookiejar: (optional) A cookiejar to add the cookies to.
:param overwrite: (optional) If False, will not replace cookies
already in the jar with new ones.
:rtype: CookieJar
"""
if cookiejar is None:
cookiejar = RequestsCookieJar()
@@ -529,6 +531,7 @@ def merge_cookies(cookiejar, cookies):
:param cookiejar: CookieJar object to add the cookies to.
:param cookies: Dictionary or CookieJar object to be added.
:rtype: CookieJar
"""
if not isinstance(cookiejar, cookielib.CookieJar):
raise ValueError('You can only merge into CookieJar')

3
lib/requests/help.py
View File

@@ -89,8 +89,7 @@ def info():
'version': getattr(idna, '__version__', ''),
}
# OPENSSL_VERSION_NUMBER doesn't exist in the Python 2.6 ssl module.
system_ssl = getattr(ssl, 'OPENSSL_VERSION_NUMBER', None)
system_ssl = ssl.OPENSSL_VERSION_NUMBER
system_ssl_info = {
'version': '%x' % system_ssl if system_ssl is not None else ''
}

4
lib/requests/hooks.py
View File

@@ -15,14 +15,14 @@ HOOKS = ['response']
def default_hooks():
return dict((event, []) for event in HOOKS)
return {event: [] for event in HOOKS}
# TODO: response is the only one
def dispatch_hook(key, hooks, hook_data, **kwargs):
"""Dispatches a hook dictionary on a given piece of data."""
hooks = hooks or dict()
hooks = hooks or {}
hooks = hooks.get(key)
if hooks:
if hasattr(hooks, '__call__'):

19
lib/requests/models.py
View File

@@ -204,9 +204,13 @@ class Request(RequestHooksMixin):
:param url: URL to send.
:param headers: dictionary of headers to send.
:param files: dictionary of {filename: fileobject} files to multipart upload.
:param data: the body to attach to the request. If a dictionary is provided, form-encoding will take place.
:param data: the body to attach to the request. If a dictionary or
list of tuples ``[(key, value)]`` is provided, form-encoding will
take place.
:param json: json for the body to attach to the request (if files or data is not specified).
:param params: dictionary of URL parameters to append to the URL.
:param params: URL parameters to append to the URL. If a dictionary or
list of tuples ``[(key, value)]`` is provided, form-encoding will
take place.
:param auth: Auth handler or (user, pass) tuple.
:param cookies: dictionary or CookieJar of cookies to attach to this request.
:param hooks: dictionary of callback hooks, for internal usage.
@@ -214,7 +218,7 @@ class Request(RequestHooksMixin):
Usage::
>>> import requests
>>> req = requests.Request('GET', 'http://httpbin.org/get')
>>> req = requests.Request('GET', 'https://httpbin.org/get')
>>> req.prepare()
<PreparedRequest [GET]>
"""
@@ -274,7 +278,7 @@ class PreparedRequest(RequestEncodingMixin, RequestHooksMixin):
Usage::
>>> import requests
>>> req = requests.Request('GET', 'http://httpbin.org/get')
>>> req = requests.Request('GET', 'https://httpbin.org/get')
>>> r = req.prepare()
<PreparedRequest [GET]>
@@ -648,10 +652,7 @@ class Response(object):
if not self._content_consumed:
self.content
return dict(
(attr, getattr(self, attr, None))
for attr in self.__attrs__
)
return {attr: getattr(self, attr, None) for attr in self.__attrs__}
def __setstate__(self, state):
for name, value in state.items():
@@ -780,7 +781,7 @@ class Response(object):
return chunks
def iter_lines(self, chunk_size=ITER_CHUNK_SIZE, decode_unicode=None, delimiter=None):
def iter_lines(self, chunk_size=ITER_CHUNK_SIZE, decode_unicode=False, delimiter=None):
"""Iterates over the response data, one line at a time. When
stream=True is set on the request, this avoids reading the
content at once into memory for large responses.

63
lib/requests/sessions.py
View File

@@ -19,7 +19,7 @@ from .cookies import (
from .models import Request, PreparedRequest, DEFAULT_REDIRECT_LIMIT
from .hooks import default_hooks, dispatch_hook
from ._internal_utils import to_native_string
from .utils import to_key_val_list, default_headers
from .utils import to_key_val_list, default_headers, DEFAULT_PORTS
from .exceptions import (
TooManyRedirects, InvalidSchema, ChunkedEncodingError, ContentDecodingError)
@@ -115,6 +115,31 @@ class SessionRedirectMixin(object):
return to_native_string(location, 'utf8')
return None
def should_strip_auth(self, old_url, new_url):
"""Decide whether Authorization header should be removed when redirecting"""
old_parsed = urlparse(old_url)
new_parsed = urlparse(new_url)
if old_parsed.hostname != new_parsed.hostname:
return True
# Special case: allow http -> https redirect when using the standard
# ports. This isn't specified by RFC 7235, but is kept to avoid
# breaking backwards compatibility with older versions of requests
# that allowed any redirects on the same host.
if (old_parsed.scheme == 'http' and old_parsed.port in (80, None)
and new_parsed.scheme == 'https' and new_parsed.port in (443, None)):
return False
# Handle default port usage corresponding to scheme.
changed_port = old_parsed.port != new_parsed.port
changed_scheme = old_parsed.scheme != new_parsed.scheme
default_port = (DEFAULT_PORTS.get(old_parsed.scheme, None), None)
if (not changed_scheme and old_parsed.port in default_port
and new_parsed.port in default_port):
return False
# Standard case: root URI must match
return changed_port or changed_scheme
def resolve_redirects(self, resp, req, stream=False, timeout=None,
verify=True, cert=None, proxies=None, yield_requests=False, **adapter_kwargs):
"""Receives a Response. Returns a generator of Responses or Requests."""
@@ -236,14 +261,10 @@ class SessionRedirectMixin(object):
headers = prepared_request.headers
url = prepared_request.url
if 'Authorization' in headers:
if 'Authorization' in headers and self.should_strip_auth(response.request.url, url):
# If we get redirected to a new host, we should strip out any
# authentication headers.
original_parsed = urlparse(response.request.url)
redirect_parsed = urlparse(url)
if (original_parsed.hostname != redirect_parsed.hostname):
del headers['Authorization']
del headers['Authorization']
# .netrc might have more auth for us on our new host.
new_auth = get_netrc_auth(url) if self.trust_env else None
@@ -299,7 +320,7 @@ class SessionRedirectMixin(object):
"""
method = prepared_request.method
# http://tools.ietf.org/html/rfc7231#section-6.4.4
# https://tools.ietf.org/html/rfc7231#section-6.4.4
if response.status_code == codes.see_other and method != 'HEAD':
method = 'GET'
@@ -325,13 +346,13 @@ class Session(SessionRedirectMixin):
>>> import requests
>>> s = requests.Session()
>>> s.get('http://httpbin.org/get')
>>> s.get('https://httpbin.org/get')
<Response [200]>
Or as a context manager::
>>> with requests.Session() as s:
>>> s.get('http://httpbin.org/get')
>>> s.get('https://httpbin.org/get')
<Response [200]>
"""
@@ -453,8 +474,8 @@ class Session(SessionRedirectMixin):
:param url: URL for the new :class:`Request` object.
:param params: (optional) Dictionary or bytes to be sent in the query
string for the :class:`Request`.
:param data: (optional) Dictionary, bytes, or file-like object to send
in the body of the :class:`Request`.
:param data: (optional) Dictionary, list of tuples, bytes, or file-like
object to send in the body of the :class:`Request`.
:param json: (optional) json to send in the body of the
:class:`Request`.
:param headers: (optional) Dictionary of HTTP Headers to send with the
@@ -550,7 +571,8 @@ class Session(SessionRedirectMixin):
r"""Sends a POST request. Returns :class:`Response` object.
:param url: URL for the new :class:`Request` object.
:param data: (optional) Dictionary, bytes, or file-like object to send in the body of the :class:`Request`.
:param data: (optional) Dictionary, list of tuples, bytes, or file-like
object to send in the body of the :class:`Request`.
:param json: (optional) json to send in the body of the :class:`Request`.
:param \*\*kwargs: Optional arguments that ``request`` takes.
:rtype: requests.Response
@@ -562,7 +584,8 @@ class Session(SessionRedirectMixin):
r"""Sends a PUT request. Returns :class:`Response` object.
:param url: URL for the new :class:`Request` object.
:param data: (optional) Dictionary, bytes, or file-like object to send in the body of the :class:`Request`.
:param data: (optional) Dictionary, list of tuples, bytes, or file-like
object to send in the body of the :class:`Request`.
:param \*\*kwargs: Optional arguments that ``request`` takes.
:rtype: requests.Response
"""
@@ -573,7 +596,8 @@ class Session(SessionRedirectMixin):
r"""Sends a PATCH request. Returns :class:`Response` object.
:param url: URL for the new :class:`Request` object.
:param data: (optional) Dictionary, bytes, or file-like object to send in the body of the :class:`Request`.
:param data: (optional) Dictionary, list of tuples, bytes, or file-like
object to send in the body of the :class:`Request`.
:param \*\*kwargs: Optional arguments that ``request`` takes.
:rtype: requests.Response
"""
@@ -723,7 +747,7 @@ class Session(SessionRedirectMixin):
self.adapters[key] = self.adapters.pop(key)
def __getstate__(self):
state = dict((attr, getattr(self, attr, None)) for attr in self.__attrs__)
state = {attr: getattr(self, attr, None) for attr in self.__attrs__}
return state
def __setstate__(self, state):
@@ -735,7 +759,12 @@ def session():
"""
Returns a :class:`Session` for context-management.
.. deprecated:: 1.0.0
This method has been deprecated since version 1.0.0 and is only kept for
backwards compatibility. New code should use :class:`~requests.sessions.Session`
to create a session. This may be removed at a future date.
:rtype: Session
"""
return Session()

2
lib/requests/status_codes.py
View File

@@ -1,6 +1,6 @@
# -*- coding: utf-8 -*-
"""
r"""
The ``codes`` object defines a mapping from common names for HTTP statuses
to their numerical codes, accessible either as attributes or as dictionary
items.

23
lib/requests/utils.py
View File

@@ -38,6 +38,8 @@ NETRC_FILES = ('.netrc', '_netrc')
DEFAULT_CA_BUNDLE_PATH = certs.where()
DEFAULT_PORTS = {'http': 80, 'https': 443}
if sys.platform == 'win32':
# provide a proxy_bypass version on Windows without DNS lookups
@@ -173,10 +175,10 @@ def get_netrc_auth(url, raise_errors=False):
for f in NETRC_FILES:
try:
loc = os.path.expanduser('~/{0}'.format(f))
loc = os.path.expanduser('~/{}'.format(f))
except KeyError:
# os.path.expanduser can fail when $HOME is undefined and
# getpwuid fails. See http://bugs.python.org/issue20164 &
# getpwuid fails. See https://bugs.python.org/issue20164 &
# https://github.com/requests/requests/issues/1846
return
@@ -264,7 +266,7 @@ def from_key_val_list(value):
>>> from_key_val_list([('key', 'val')])
OrderedDict([('key', 'val')])
>>> from_key_val_list('string')
ValueError: need more than 1 value to unpack
ValueError: cannot encode objects that are not 2-tuples
>>> from_key_val_list({'key': 'val'})
OrderedDict([('key', 'val')])
@@ -466,7 +468,7 @@ def _parse_content_type_header(header):
if index_of_equals != -1:
key = param[:index_of_equals].strip(items_to_strip)
value = param[index_of_equals + 1:].strip(items_to_strip)
params_dict[key] = value
params_dict[key.lower()] = value
return content_type, params_dict
@@ -706,6 +708,10 @@ def should_bypass_proxies(url, no_proxy):
no_proxy = get_proxy('no_proxy')
parsed = urlparse(url)
if parsed.hostname is None:
# URLs don't always have hostnames, e.g. file:/// urls.
return True
if no_proxy:
# We need to check whether we match here. We need to see if we match
# the end of the hostname, both with and without the port.
@@ -725,7 +731,7 @@ def should_bypass_proxies(url, no_proxy):
else:
host_with_port = parsed.hostname
if parsed.port:
host_with_port += ':{0}'.format(parsed.port)
host_with_port += ':{}'.format(parsed.port)
for host in no_proxy:
if parsed.hostname.endswith(host) or host_with_port.endswith(host):
@@ -733,13 +739,8 @@ def should_bypass_proxies(url, no_proxy):
# to apply the proxies on this URL.
return True
# If the system proxy settings indicate that this URL should be bypassed,
# don't proxy.
# The proxy_bypass function is incredibly buggy on OS X in early versions
# of Python 2.6, so allow this call to fail. Only catch the specific
# exceptions we've seen, though: this call failing in other ways can reveal
# legitimate problems.
with set_environ('no_proxy', no_proxy_arg):
# parsed.hostname can be `None` in cases such as a file URI.
try:
bypass = proxy_bypass(parsed.hostname)
except (TypeError, socket.gaierror):