update urllib3

requests/packages/urllib3/__init__.py

@@ -28,7 +28,7 @@ from .util import make_headers, get_host
 
 # Set default logging handler to avoid "No handler found" warnings.
 import logging
-try:
+try:  # Python 2.7+
     from logging import NullHandler
 except ImportError:
     class NullHandler(logging.Handler):
@@ -37,6 +37,22 @@ except ImportError:
 
 logging.getLogger(__name__).addHandler(NullHandler())
 
+def add_stderr_logger(level=logging.DEBUG):
+    """
+    Helper for quickly adding a StreamHandler to the logger. Useful for
+    debugging.
+
+    Returns the handler after adding it.
+    """
+    # This method needs to be in this __init__.py to get the __name__ correct
+    # even if urllib3 is vendored within another package.
+    logger = logging.getLogger(__name__)
+    handler = logging.StreamHandler()
+    handler.setFormatter(logging.Formatter('%(asctime)s %(levelname)s %(message)s'))
+    logger.addHandler(handler)
+    logger.setLevel(level)
+    logger.debug('Added an stderr logging handler to logger: %s' % __name__)
+    return handler
+
 # ... Clean up.
-del logging
 del NullHandler

requests/packages/urllib3/connectionpool.py

@@ -264,7 +264,7 @@ class HTTPConnectionPool(ConnectionPool, RequestMethods):
             httplib_response = conn.getresponse()
 
         # AppEngine doesn't have a version attr.
-        http_version = getattr(conn, '_http_vsn_str', 'HTTP/?'),
+        http_version = getattr(conn, '_http_vsn_str', 'HTTP/?')
         log.debug("\"%s %s %s\" %s %s" % (method, url, http_version,
                                           httplib_response.status,
                                           httplib_response.length))
@@ -324,8 +324,8 @@ class HTTPConnectionPool(ConnectionPool, RequestMethods):
             Number of retries to allow before raising a MaxRetryError exception.
 
         :param redirect:
-            Automatically handle redirects (status codes 301, 302, 303, 307),
-            each redirect counts as a retry.
+            If True, automatically handle redirects (status codes 301, 302,
+            303, 307). Each redirect counts as a retry.
 
         :param assert_same_host:
             If ``True``, will make sure that the host of the pool requests is

requests/packages/urllib3/util.py

@@ -110,30 +110,47 @@ def get_host(url):
         ('http', 'google.com', 80)
     """
 
-    # This code is actually similar to urlparse.urlsplit, but much
-    # simplified for our needs.
-    port = None
-    scheme = 'http'
+    # While this code has overlap with stdlib's urlparse, it is much
+    # simplified for our needs and less annoying.
+    # Additionally, this imeplementations does silly things to be optimal
+    # on CPython.
 
+    scheme = 'http'
+    host = None
+    port = None
+
+    # Scheme
     if '://' in url:
         scheme, url = url.split('://', 1)
 
     # Find the earliest Authority Terminator
-    # http://tools.ietf.org/html/rfc3986#section-3.2
+    # (http://tools.ietf.org/html/rfc3986#section-3.2)
     url, _path = split_first(url, ['/', '?', '#'])
 
+    # Auth
     if '@' in url:
         _auth, url = url.split('@', 1)
+
+    # IPv6
+    if url and url[0] == '[':
+        host, url = url[1:].split(']', 1)
+
+    # Port
     if ':' in url:
-        url, port = url.split(':', 1)
+        _host, port = url.split(':', 1)
+
+        if not host:
+            host = _host
 
         if not port.isdigit():
             raise LocationParseError("Failed to parse: %s" % url)
 
         port = int(port)
 
-    return scheme, url, port
+    elif not host:
+        host = url
 
+    return scheme, host, port
 
 
 def is_connection_dropped(conn):