Added rest framework

thirdpart/rest_framework/exceptions.py

@@ -0,0 +1,78 @@
+"""
+Handled exceptions raised by REST framework.
+
+In addition Django's built in 403 and 404 exceptions are handled.
+(`django.http.Http404` and `django.core.exceptions.PermissionDenied`)
+"""
+from rest_framework import status
+
+
+class APIException(Exception):
+    """
+    Base class for REST framework exceptions.
+    Subclasses should provide `.status_code` and `.detail` properties.
+    """
+    pass
+
+
+class ParseError(APIException):
+    status_code = status.HTTP_400_BAD_REQUEST
+    default_detail = 'Malformed request.'
+
+    def __init__(self, detail=None):
+        self.detail = detail or self.default_detail
+
+
+class PermissionDenied(APIException):
+    status_code = status.HTTP_403_FORBIDDEN
+    default_detail = 'You do not have permission to perform this action.'
+
+    def __init__(self, detail=None):
+        self.detail = detail or self.default_detail
+
+
+class MethodNotAllowed(APIException):
+    status_code = status.HTTP_405_METHOD_NOT_ALLOWED
+    default_detail = "Method '%s' not allowed."
+
+    def __init__(self, method, detail=None):
+        self.detail = (detail or self.default_detail) % method
+
+
+class NotAcceptable(APIException):
+    status_code = status.HTTP_406_NOT_ACCEPTABLE
+    default_detail = "Could not satisfy the request's Accept header"
+
+    def __init__(self, detail=None, available_renderers=None):
+        self.detail = detail or self.default_detail
+        self.available_renderers = available_renderers
+
+
+class UnsupportedMediaType(APIException):
+    status_code = status.HTTP_415_UNSUPPORTED_MEDIA_TYPE
+    default_detail = "Unsupported media type '%s' in request."
+
+    def __init__(self, media_type, detail=None):
+        self.detail = (detail or self.default_detail) % media_type
+
+
+class Throttled(APIException):
+    status_code = status.HTTP_429_TOO_MANY_REQUESTS
+    default_detail = "Request was throttled."
+    extra_detail = "Expected available in %d second%s."
+
+    def __init__(self, wait=None, detail=None):
+        import math
+        self.wait = wait and math.ceil(wait) or None
+        if wait is not None:
+            format = detail or self.default_detail + self.extra_detail
+            self.detail = format % (self.wait, self.wait != 1 and 's' or '')
+        else:
+            self.detail = detail or self.default_detail
+
+
+class ConfigurationError(Exception):
+    """
+    Indicates an internal server error.
+    """
+    pass