Source code for libcloud.common.types

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from libcloud.utils.py3 import httplib

__all__ = [

[docs]class LibcloudError(Exception): """The base class for other libcloud exceptions""" def __init__(self, value, driver=None): super(LibcloudError, self).__init__(value) self.value = value self.driver = driver def __str__(self): return self.__repr__() def __repr__(self): return ("<LibcloudError in " + repr(self.driver) + " " + repr(self.value) + ">")
[docs]class MalformedResponseError(LibcloudError): """Exception for the cases when a provider returns a malformed response, e.g. you request JSON and provider returns '<h3>something</h3>' due to some error on their side.""" def __init__(self, value, body=None, driver=None): self.value = value self.driver = driver self.body = body def __str__(self): return self.__repr__() def __repr__(self): return ("<MalformedResponseException in " + repr(self.driver) + " " + repr(self.value) + ">: " + repr(self.body))
[docs]class ProviderError(LibcloudError): """ Exception used when provider gives back error response (HTTP 4xx, 5xx) for a request. Specific sub types can be derieved for errors like HTTP 401 : InvalidCredsError HTTP 404 : NodeNotFoundError, ContainerDoesNotExistError """ def __init__(self, value, http_code, driver=None): super(ProviderError, self).__init__(value=value, driver=driver) self.http_code = http_code def __str__(self): return self.__repr__() def __repr__(self): return repr(self.value)
[docs]class InvalidCredsError(ProviderError): """Exception used when invalid credentials are used on a provider.""" def __init__(self, value='Invalid credentials with the provider', driver=None): super(InvalidCredsError, self).__init__(value, http_code=httplib.UNAUTHORIZED, driver=driver)
# Deprecated alias of :class:`InvalidCredsError` InvalidCredsException = InvalidCredsError
[docs]class LazyList(object):
def __init__(self, get_more, value_dict=None): self._data = [] self._last_key = None self._exhausted = False self._all_loaded = False self._get_more = get_more self._value_dict = value_dict or {} def __iter__(self): if not self._all_loaded: self._load_all() data = self._data for i in data: yield i def __getitem__(self, index): if index >= len(self._data) and not self._all_loaded: self._load_all() return self._data[index] def __len__(self): self._load_all() return len(self._data) def __repr__(self): self._load_all() repr_string = ', ' .join([repr(item) for item in self._data]) repr_string = '[%s]' % (repr_string) return repr_string def _load_all(self): while not self._exhausted: newdata, self._last_key, self._exhausted = \ self._get_more(last_key=self._last_key, value_dict=self._value_dict) self._data.extend(newdata) self._all_loaded = True