Update requests lib
This commit is contained in:
+88
-40
@@ -11,18 +11,20 @@ and maintain connections.
|
||||
import socket
|
||||
|
||||
from .models import Response
|
||||
from .packages.urllib3.poolmanager import PoolManager, ProxyManager
|
||||
from .packages.urllib3.poolmanager import PoolManager, proxy_from_url
|
||||
from .packages.urllib3.response import HTTPResponse
|
||||
from .packages.urllib3.util import Timeout as TimeoutSauce
|
||||
from .compat import urlparse, basestring, urldefrag, unquote
|
||||
from .utils import (DEFAULT_CA_BUNDLE_PATH, get_encoding_from_headers,
|
||||
prepend_scheme_if_needed, get_auth_from_url)
|
||||
except_on_missing_scheme, get_auth_from_url)
|
||||
from .structures import CaseInsensitiveDict
|
||||
from .packages.urllib3.exceptions import MaxRetryError
|
||||
from .packages.urllib3.exceptions import TimeoutError
|
||||
from .packages.urllib3.exceptions import SSLError as _SSLError
|
||||
from .packages.urllib3.exceptions import HTTPError as _HTTPError
|
||||
from .packages.urllib3.exceptions import ProxyError as _ProxyError
|
||||
from .cookies import extract_cookies_to_jar
|
||||
from .exceptions import ConnectionError, Timeout, SSLError
|
||||
from .exceptions import ConnectionError, Timeout, SSLError, ProxyError
|
||||
from .auth import _basic_auth_str
|
||||
|
||||
DEFAULT_POOLBLOCK = False
|
||||
@@ -71,6 +73,7 @@ class HTTPAdapter(BaseAdapter):
|
||||
pool_block=DEFAULT_POOLBLOCK):
|
||||
self.max_retries = max_retries
|
||||
self.config = {}
|
||||
self.proxy_manager = {}
|
||||
|
||||
super(HTTPAdapter, self).__init__()
|
||||
|
||||
@@ -118,7 +121,7 @@ class HTTPAdapter(BaseAdapter):
|
||||
:param verify: Whether we should actually verify the certificate.
|
||||
:param cert: The SSL certificate to verify.
|
||||
"""
|
||||
if url.startswith('https') and verify:
|
||||
if url.lower().startswith('https') and verify:
|
||||
|
||||
cert_loc = None
|
||||
|
||||
@@ -184,18 +187,28 @@ class HTTPAdapter(BaseAdapter):
|
||||
def get_connection(self, url, proxies=None):
|
||||
"""Returns a urllib3 connection for the given URL. This should not be
|
||||
called from user code, and is only exposed for use when subclassing the
|
||||
:class:`HTTPAdapter <reqeusts.adapters.HTTPAdapter>`.
|
||||
:class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
|
||||
|
||||
:param url: The URL to connect to.
|
||||
:param proxies: (optional) A Requests-style dictionary of proxies used on this request.
|
||||
"""
|
||||
proxies = proxies or {}
|
||||
proxy = proxies.get(urlparse(url).scheme)
|
||||
proxy = proxies.get(urlparse(url.lower()).scheme)
|
||||
|
||||
if proxy:
|
||||
proxy = prepend_scheme_if_needed(proxy, urlparse(url).scheme)
|
||||
conn = ProxyManager(self.poolmanager.connection_from_url(proxy))
|
||||
except_on_missing_scheme(proxy)
|
||||
proxy_headers = self.proxy_headers(proxy)
|
||||
|
||||
if not proxy in self.proxy_manager:
|
||||
self.proxy_manager[proxy] = proxy_from_url(
|
||||
proxy,
|
||||
proxy_headers=proxy_headers)
|
||||
|
||||
conn = self.proxy_manager[proxy].connection_from_url(url)
|
||||
else:
|
||||
# Only scheme should be lower case
|
||||
parsed = urlparse(url)
|
||||
url = parsed.geturl()
|
||||
conn = self.poolmanager.connection_from_url(url)
|
||||
|
||||
return conn
|
||||
@@ -211,10 +224,10 @@ class HTTPAdapter(BaseAdapter):
|
||||
def request_url(self, request, proxies):
|
||||
"""Obtain the url to use when making the final request.
|
||||
|
||||
If the message is being sent through a proxy, the full URL has to be
|
||||
used. Otherwise, we should only use the path portion of the URL.
|
||||
If the message is being sent through a HTTP proxy, the full URL has to
|
||||
be used. Otherwise, we should only use the path portion of the URL.
|
||||
|
||||
This shoudl not be called from user code, and is only exposed for use
|
||||
This should not be called from user code, and is only exposed for use
|
||||
when subclassing the
|
||||
:class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
|
||||
|
||||
@@ -222,9 +235,10 @@ class HTTPAdapter(BaseAdapter):
|
||||
:param proxies: A dictionary of schemes to proxy URLs.
|
||||
"""
|
||||
proxies = proxies or {}
|
||||
proxy = proxies.get(urlparse(request.url).scheme)
|
||||
scheme = urlparse(request.url).scheme
|
||||
proxy = proxies.get(scheme)
|
||||
|
||||
if proxy:
|
||||
if proxy and scheme != 'https':
|
||||
url, _ = urldefrag(request.url)
|
||||
else:
|
||||
url = request.path_url
|
||||
@@ -232,8 +246,9 @@ class HTTPAdapter(BaseAdapter):
|
||||
return url
|
||||
|
||||
def add_headers(self, request, **kwargs):
|
||||
"""Add any headers needed by the connection. Currently this adds a
|
||||
Proxy-Authorization header.
|
||||
"""Add any headers needed by the connection. As of v2.0 this does
|
||||
nothing by default, but is left for overriding by users that subclass
|
||||
the :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
|
||||
|
||||
This should not be called from user code, and is only exposed for use
|
||||
when subclassing the
|
||||
@@ -242,12 +257,22 @@ class HTTPAdapter(BaseAdapter):
|
||||
:param request: The :class:`PreparedRequest <PreparedRequest>` to add headers to.
|
||||
:param kwargs: The keyword arguments from the call to send().
|
||||
"""
|
||||
proxies = kwargs.get('proxies', {})
|
||||
pass
|
||||
|
||||
if proxies is None:
|
||||
proxies = {}
|
||||
def proxy_headers(self, proxy):
|
||||
"""Returns a dictionary of the headers to add to any request sent
|
||||
through a proxy. This works with urllib3 magic to ensure that they are
|
||||
correctly sent to the proxy, rather than in a tunnelled request if
|
||||
CONNECT is being used.
|
||||
|
||||
proxy = proxies.get(urlparse(request.url).scheme)
|
||||
This should not be called from user code, and is only exposed for use
|
||||
when subclassing the
|
||||
:class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
|
||||
|
||||
:param proxies: The url of the proxy being used for this request.
|
||||
:param kwargs: Optional additional keyword arguments.
|
||||
"""
|
||||
headers = {}
|
||||
username, password = get_auth_from_url(proxy)
|
||||
|
||||
if username and password:
|
||||
@@ -255,8 +280,10 @@ class HTTPAdapter(BaseAdapter):
|
||||
# to decode them.
|
||||
username = unquote(username)
|
||||
password = unquote(password)
|
||||
request.headers['Proxy-Authorization'] = _basic_auth_str(username,
|
||||
password)
|
||||
headers['Proxy-Authorization'] = _basic_auth_str(username,
|
||||
password)
|
||||
|
||||
return headers
|
||||
|
||||
def send(self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None):
|
||||
"""Sends PreparedRequest object. Returns Response object.
|
||||
@@ -265,7 +292,7 @@ class HTTPAdapter(BaseAdapter):
|
||||
:param stream: (optional) Whether to stream the request content.
|
||||
:param timeout: (optional) The timeout on the request.
|
||||
:param verify: (optional) Whether to verify SSL certificates.
|
||||
:param vert: (optional) Any user-provided SSL certificate to be trusted.
|
||||
:param cert: (optional) Any user-provided SSL certificate to be trusted.
|
||||
:param proxies: (optional) The proxies dictionary to apply to the request.
|
||||
"""
|
||||
|
||||
@@ -273,10 +300,15 @@ class HTTPAdapter(BaseAdapter):
|
||||
|
||||
self.cert_verify(conn, request.url, verify, cert)
|
||||
url = self.request_url(request, proxies)
|
||||
self.add_headers(request, proxies=proxies)
|
||||
self.add_headers(request)
|
||||
|
||||
chunked = not (request.body is None or 'Content-Length' in request.headers)
|
||||
|
||||
if stream:
|
||||
timeout = TimeoutSauce(connect=timeout)
|
||||
else:
|
||||
timeout = TimeoutSauce(connect=timeout, read=timeout)
|
||||
|
||||
try:
|
||||
if not chunked:
|
||||
resp = conn.urlopen(
|
||||
@@ -298,27 +330,40 @@ class HTTPAdapter(BaseAdapter):
|
||||
conn = conn.proxy_pool
|
||||
|
||||
low_conn = conn._get_conn(timeout=timeout)
|
||||
low_conn.putrequest(request.method, url, skip_accept_encoding=True)
|
||||
|
||||
for header, value in request.headers.items():
|
||||
low_conn.putheader(header, value)
|
||||
try:
|
||||
low_conn.putrequest(request.method,
|
||||
url,
|
||||
skip_accept_encoding=True)
|
||||
|
||||
low_conn.endheaders()
|
||||
for header, value in request.headers.items():
|
||||
low_conn.putheader(header, value)
|
||||
|
||||
for i in request.body:
|
||||
low_conn.send(hex(len(i))[2:].encode('utf-8'))
|
||||
low_conn.send(b'\r\n')
|
||||
low_conn.send(i)
|
||||
low_conn.send(b'\r\n')
|
||||
low_conn.send(b'0\r\n\r\n')
|
||||
low_conn.endheaders()
|
||||
|
||||
r = low_conn.getresponse()
|
||||
resp = HTTPResponse.from_httplib(r,
|
||||
pool=conn,
|
||||
connection=low_conn,
|
||||
preload_content=False,
|
||||
decode_content=False
|
||||
)
|
||||
for i in request.body:
|
||||
low_conn.send(hex(len(i))[2:].encode('utf-8'))
|
||||
low_conn.send(b'\r\n')
|
||||
low_conn.send(i)
|
||||
low_conn.send(b'\r\n')
|
||||
low_conn.send(b'0\r\n\r\n')
|
||||
|
||||
r = low_conn.getresponse()
|
||||
resp = HTTPResponse.from_httplib(
|
||||
r,
|
||||
pool=conn,
|
||||
connection=low_conn,
|
||||
preload_content=False,
|
||||
decode_content=False
|
||||
)
|
||||
except:
|
||||
# If we hit any problems here, clean up the connection.
|
||||
# Then, reraise so that we can handle the actual exception.
|
||||
low_conn.close()
|
||||
raise
|
||||
else:
|
||||
# All is well, return the connection to the pool.
|
||||
conn._put_conn(low_conn)
|
||||
|
||||
except socket.error as sockerr:
|
||||
raise ConnectionError(sockerr)
|
||||
@@ -326,6 +371,9 @@ class HTTPAdapter(BaseAdapter):
|
||||
except MaxRetryError as e:
|
||||
raise ConnectionError(e)
|
||||
|
||||
except _ProxyError as e:
|
||||
raise ProxyError(e)
|
||||
|
||||
except (_SSLError, _HTTPError) as e:
|
||||
if isinstance(e, _SSLError):
|
||||
raise SSLError(e)
|
||||
|
||||
Reference in New Issue
Block a user