def delete_file()

in jupyter-gcs-contents-manager/gcs_contents_manager.py [0:0]

• 20 lines of code
• 13 McCabe index (conditional complexity)

  def delete_file(self, path):
    if path in ['', '/']:
      raise HTTPError(403, 'The top-level directory is read-only')
    try:
      cm, relative_path, path_prefix = self._content_manager_for_path(path)
      if (relative_path in ['', '/']) or (path_prefix in ['', '/']):
        raise HTTPError(403, 'The top-level directory contents are read-only')
      if not cm:
        raise HTTPError(404, 'No content manager defined for "{}"'.format(path))
      return cm.delete_file(relative_path)
    except OSError as err:
      # The built-in file contents manager will not attempt to wrap permissions
      # errors when deleting files if they occur while trying to move the
      # to-be-deleted file to the trash, because the underlying send2trash
      # library does not set the errno attribute of the raised OSError.
      #
      # To work around this we explicitly catch such errors, check if they
      # start with the magic text "Permission denied", and then wrap them
      # in an HTTPError.
      if str(err).startswith('Permission denied'):
        raise HTTPError(403, str(err))
      raise HTTPError(
          500, 'Internal server error: [{}] {}'.format(err.errno, str(err)))
    except HTTPError as err:
      raise err
    except Exception as ex:
      raise HTTPError(
          500, 'Internal server error: [{}] {}'.format(type(ex), str(ex)))