Include oauthlib module

lib/oauthlib/oauth1/rfc5849/errors.py

@@ -0,0 +1,79 @@
+# coding=utf-8
+"""
+oauthlib.oauth1.rfc5849.errors
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Error used both by OAuth 1 clients and provicers to represent the spec
+defined error responses for all four core grant types.
+"""
+from __future__ import unicode_literals
+
+from oauthlib.common import urlencode, add_params_to_uri
+
+
+class OAuth1Error(Exception):
+    error = None
+    description = ''
+
+    def __init__(self, description=None, uri=None, status_code=400,
+                 request=None):
+        """
+        description:    A human-readable ASCII [USASCII] text providing
+                        additional information, used to assist the client
+                        developer in understanding the error that occurred.
+                        Values for the "error_description" parameter MUST NOT
+                        include characters outside the set
+                        x20-21 / x23-5B / x5D-7E.
+
+        uri:    A URI identifying a human-readable web page with information
+                about the error, used to provide the client developer with
+                additional information about the error.  Values for the
+                "error_uri" parameter MUST conform to the URI- Reference
+                syntax, and thus MUST NOT include characters outside the set
+                x21 / x23-5B / x5D-7E.
+
+        state:  A CSRF protection value received from the client.
+
+        request:  Oauthlib Request object
+        """
+        self.description = description or self.description
+        message = '(%s) %s' % (self.error, self.description)
+        if request:
+            message += ' ' + repr(request)
+        super(OAuth1Error, self).__init__(message)
+
+        self.uri = uri
+        self.status_code = status_code
+
+    def in_uri(self, uri):
+        return add_params_to_uri(uri, self.twotuples)
+
+    @property
+    def twotuples(self):
+        error = [('error', self.error)]
+        if self.description:
+            error.append(('error_description', self.description))
+        if self.uri:
+            error.append(('error_uri', self.uri))
+        return error
+
+    @property
+    def urlencoded(self):
+        return urlencode(self.twotuples)
+
+
+class InsecureTransportError(OAuth1Error):
+    error = 'insecure_transport_protocol'
+    description = 'Only HTTPS connections are permitted.'
+
+
+class InvalidSignatureMethodError(OAuth1Error):
+    error = 'invalid_signature_method'
+
+
+class InvalidRequestError(OAuth1Error):
+    error = 'invalid_request'
+
+
+class InvalidClientError(OAuth1Error):
+    error = 'invalid_client'