google.appengine.api.urlfetch_errors module

Errors used in the urlfetch API developers.

exception google.appengine.api.urlfetch_errors.ConnectionClosedError

Bases: google.appengine.api.urlfetch_errors.DownloadError

Raised when the target server prematurely closes the connection.

exception google.appengine.api.urlfetch_errors.DNSLookupFailedError

Bases: google.appengine.api.urlfetch_errors.DownloadError

Raised when the DNS lookup for a URL failed.

exception google.appengine.api.urlfetch_errors.DeadlineExceededError

Bases: google.appengine.api.urlfetch_errors.DownloadError

Raised when we could not fetch the URL because the deadline was exceeded.

This can occur with either the client-supplied ‘deadline’ or the system default, if the client does not supply a ‘deadline’ parameter.

exception google.appengine.api.urlfetch_errors.DownloadError

Bases: google.appengine.api.urlfetch_errors.Error

Raised when we could not fetch the URL for any reason.

Note that this exception is only raised when we cannot contact the server. HTTP errors (e.g., 404) are returned in the status_code field in the return value of fetch, and no exception is raised.

exception google.appengine.api.urlfetch_errors.Error

Bases: exceptions.Exception

Base URL fetcher error type.

exception google.appengine.api.urlfetch_errors.InternalTransientError

Bases: google.appengine.api.urlfetch_errors.Error

Raised when an internal transient error occurs.

exception google.appengine.api.urlfetch_errors.InvalidMethodError

Bases: google.appengine.api.urlfetch_errors.Error

Raised when an invalid value for ‘method’ is provided

exception google.appengine.api.urlfetch_errors.InvalidURLError

Bases: google.appengine.api.urlfetch_errors.Error

Raised when the URL given is empty or invalid.

Only http: and https: URLs are allowed. The maximum URL length allowed is 2048 characters. The login/pass portion is not allowed. In deployed applications, only ports 80 and 443 for http and https respectively are allowed.

exception google.appengine.api.urlfetch_errors.MalformedReplyError

Bases: google.appengine.api.urlfetch_errors.DownloadError

Raised when the target server returns an invalid HTTP response.

Responses are invalid if they contain no headers, malformed or incomplete headers, or have content missing.

exception google.appengine.api.urlfetch_errors.ResponseTooLargeError(response)

Bases: google.appengine.api.urlfetch_errors.Error

Raised when the response was too large and was truncated.

exception google.appengine.api.urlfetch_errors.SSLCertificateError

Bases: google.appengine.api.urlfetch_errors.Error

Raised when an invalid server certificate is presented.

exception google.appengine.api.urlfetch_errors.TooManyRedirectsError

Bases: google.appengine.api.urlfetch_errors.DownloadError

Raised when follow_redirects input parameter was set to true and the redirect limit was hit.