def get_getter(self):
"""Returns an instance of proper PackageGetter subclass. Always returns the same instance.
Returns:
Instance of the proper PackageGetter subclass according to self.source_from.
Raises:
NoSuchSourceException if source to get the package from is unknown
NoSuchPackageException if the package is unknown on PyPI
"""
if not hasattr(self, '_getter'):
if self.source_from == 'pypi':
if self.name == None:
raise exceptions.NameNotSpecifiedException(
'Must specify package when getting from PyPI.')
self._getter = package_getters.PypiDownloader(
self.get_client(), self.name, self.version, self.save_dir)
elif os.path.exists(self.source_from):
self._getter = package_getters.LocalFileGetter(
self.source_from, self.save_dir)
else:
raise exceptions.NoSuchSourceException(
'"{0}" is neither one of preset sources nor a file.'.
format(self.source_from))
return self._getter
def getter(self):
"""Returns an instance of proper PackageGetter subclass. Always
returns the same instance.
Returns:
Instance of the proper PackageGetter subclass according to
provided argument.
Raises:
NoSuchSourceException if source to get the package from is unknown
NoSuchPackageException if the package is unknown on PyPI
"""
if not hasattr(self, '_getter'):
if not self.pypi:
self._getter = package_getters.LocalFileGetter(
self.package,
self.save_dir)
else:
logger.debug(
'{0} does not exist as local file trying PyPI.'.format(
self.package))
self._getter = package_getters.PypiDownloader(
self.client,
self.package,
self.version,
self.prerelease,
self.save_dir)
return self._getter