107 lines
3.1 KiB
Python
107 lines
3.1 KiB
Python
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"""Exceptions for generated client libraries."""
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class Error(Exception):
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"""Base class for all exceptions."""
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class CommunicationError(Error):
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"""Any communication error talking to an API server."""
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class HttpError(CommunicationError):
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"""Error making a request. Soon to be HttpError.
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:type response: dict
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:param response: headers from the response which returned the error
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:type content: bytes
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:param content: payload of the response which returned the error
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:type url: string
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:param url: URL of the response which returned the error
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"""
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def __init__(self, response, content, url):
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super(HttpError, self).__init__()
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self.response = response
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self.content = content
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self.url = url
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def __str__(self):
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content = self.content.decode('ascii', 'replace')
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return 'HttpError accessing <%s>: response: <%s>, content <%s>' % (
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self.url, self.response, content)
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@property
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def status_code(self):
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"""Status code for the response.
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:rtype: integer
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:returns: the code
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"""
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return int(self.response['status'])
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@classmethod
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def from_response(cls, http_response):
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"""Factory: construct an exception from a response.
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:type http_response: :class:`gcloud.streaming.http_wrapper.Response`
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:param http_response: the response which returned the error
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:rtype: :class:`HttpError`
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"""
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return cls(http_response.info, http_response.content,
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http_response.request_url)
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class TransferError(CommunicationError):
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"""Errors related to transfers."""
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class TransferRetryError(TransferError):
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"""Retryable errors related to transfers."""
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class TransferInvalidError(TransferError):
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"""The given transfer is invalid."""
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class RequestError(CommunicationError):
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"""The request was not successful."""
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class RetryAfterError(HttpError):
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"""The response contained a retry-after header.
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:type response: dict
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:param response: headers from the response which returned the error
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:type content: bytes
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:param content: payload of the response which returned the error
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:type url: string
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:param url: URL of the response which returned the error
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:type retry_after: integer
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:param retry_after: seconds to wait before retrying
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"""
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def __init__(self, response, content, url, retry_after):
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super(RetryAfterError, self).__init__(response, content, url)
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self.retry_after = int(retry_after)
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@classmethod
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def from_response(cls, http_response):
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"""Factory: construct an exception from a response.
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:type http_response: :class:`gcloud.streaming.http_wrapper.Response`
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:param http_response: the response which returned the error
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:rtype: :class:`RetryAfterError`
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"""
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return cls(http_response.info, http_response.content,
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http_response.request_url, http_response.retry_after)
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class BadStatusCodeError(HttpError):
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"""The request completed but returned a bad status code."""
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