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Google Cloud Storage API for Google App Engine is an experimental, innovative, and rapidly changing new feature for App Engine. Unfortunately, being on the bleeding edge means that we may make backwards-incompatible changes to Google Cloud Storage API for Google App Engine. We will inform the community when this feature is no longer experimental.
The google.appengine.api.files
package exposes the following exception classes:
The base class for all exceptions in this package.
Raised by files.open() when it receives an unsupported open mode. The only modes supported are 'a'
, for write, or 'r'
, for read.
Raised by files.read() or files.write() when it cannot parse the content-type of the file for read or write.
An invalid argument was passed.
The file is in the wrong finalization state. This can happen, for example, if you open a file for read and tried to finalize it.
The file you tried to open does not exist.
An unknown error occurred.
The file name is invalid.
The file is not opened. You need to open a file before you can write or read from it.
The file is read only.
The file cannot be read because it is opened for write.
The operation you tried to perform is not supported.
The application does not have permission to perform this operation.
The API is temporary unavailable. Your request will be retried soon.
The file is temporarily unavailable. Your request will be retried soon.
There was an invalid parameter in your request.