1 files changed, 21 insertions, 0 deletions
diff --git a/urllib3/exceptions.py b/urllib3/exceptions.py
index 31bda1c..36ce0d1 100644
--- a/urllib3/exceptions.py
+++ b/urllib3/exceptions.py
@@ -149,6 +149,11 @@ class SecurityWarning(HTTPWarning):
     pass
 
 
+class SubjectAltNameWarning(SecurityWarning):
+    "Warned when connecting to a host with a certificate missing a SAN."
+    pass
+
+
 class InsecureRequestWarning(SecurityWarning):
     "Warned when making an unverified HTTPS request."
     pass
@@ -167,3 +172,19 @@ class InsecurePlatformWarning(SecurityWarning):
 class ResponseNotChunked(ProtocolError, ValueError):
     "Response needs to be chunked in order to read it as chunks."
     pass
+
+
+class ProxySchemeUnknown(AssertionError, ValueError):
+    "ProxyManager does not support the supplied scheme"
+    # TODO(t-8ch): Stop inheriting from AssertionError in v2.0.
+
+    def __init__(self, scheme):
+        message = "Not supported proxy scheme %s" % scheme
+        super(ProxySchemeUnknown, self).__init__(message)
+
+
+class HeaderParsingError(HTTPError):
+    "Raised by assert_header_parsing, but we convert it to a log.warning statement."
+    def __init__(self, defects, unparsed_data):
+        message = '%s, unparsed data: %r' % (defects or 'Unknown', unparsed_data)
+        super(HeaderParsingError, self).__init__(message)