1 files changed, 43 insertions, 13 deletions
diff --git a/requests/packages/urllib3/exceptions.py b/requests/packages/urllib3/exceptions.py
index b4df831..7519ba9 100644
--- a/requests/packages/urllib3/exceptions.py
+++ b/requests/packages/urllib3/exceptions.py
@@ -1,9 +1,3 @@
-# urllib3/exceptions.py
-# Copyright 2008-2013 Andrey Petrov and contributors (see CONTRIBUTORS.txt)
-#
-# This module is part of urllib3 and is released under
-# the MIT License: http://www.opensource.org/licenses/mit-license.php
-
 
 ## Base Exceptions
 
@@ -11,6 +5,11 @@ class HTTPError(Exception):
     "Base exception used by this module."
     pass
 
+class HTTPWarning(Warning):
+    "Base warning used by this module."
+    pass
+
+
 
 class PoolError(HTTPError):
     "Base exception for errors caused within a pool."
@@ -44,27 +43,38 @@ class ProxyError(HTTPError):
     pass
 
 
-class ConnectionError(HTTPError):
-    "Raised when a normal connection fails."
+class DecodeError(HTTPError):
+    "Raised when automatic decoding based on Content-Type fails."
     pass
 
 
-class DecodeError(HTTPError):
-    "Raised when automatic decoding based on Content-Type fails."
+class ProtocolError(HTTPError):
+    "Raised when something unexpected happens mid-request/response."
     pass
 
 
+#: Renamed to ProtocolError but aliased for backwards compatibility.
+ConnectionError = ProtocolError
+
+
 ## Leaf Exceptions
 
 class MaxRetryError(RequestError):
-    "Raised when the maximum number of retries is exceeded."
+    """Raised when the maximum number of retries is exceeded.
+
+    :param pool: The connection pool
+    :type pool: :class:`~urllib3.connectionpool.HTTPConnectionPool`
+    :param string url: The requested Url
+    :param exceptions.Exception reason: The underlying error
+
+    """
 
     def __init__(self, pool, url, reason=None):
         self.reason = reason
 
         message = "Max retries exceeded with url: %s" % url
         if reason:
-            message += " (Caused by %s: %s)" % (type(reason), reason)
+            message += " (Caused by %r)" % reason
         else:
             message += " (Caused by redirect)"
 
@@ -116,7 +126,12 @@ class ClosedPoolError(PoolError):
     pass
 
 
-class LocationParseError(ValueError, HTTPError):
+class LocationValueError(ValueError, HTTPError):
+    "Raised when there is something wrong with a given URL input."
+    pass
+
+
+class LocationParseError(LocationValueError):
     "Raised when get_host or similar fails to parse the URL input."
 
     def __init__(self, location):
@@ -124,3 +139,18 @@ class LocationParseError(ValueError, HTTPError):
         HTTPError.__init__(self, message)
 
         self.location = location
+
+
+class SecurityWarning(HTTPWarning):
+    "Warned when perfoming security reducing actions"
+    pass
+
+
+class InsecureRequestWarning(SecurityWarning):
+    "Warned when making an unverified HTTPS request."
+    pass
+
+
+class SystemTimeWarning(SecurityWarning):
+    "Warned when system time is suspected to be wrong"
+    pass