def _get_gcs_image()

in ez_wsi_dicomweb/gcs_image.py [0:0]

• 29 lines of code
• 5 McCabe index (conditional complexity)

  def _get_gcs_image(self) -> _GcsImageState:
    """Returns image width, height, bytes, and icc profile."""
    with self._gcs_image_lock:
      if self._image_bytes is not None:
        return _GcsImageState(
            self._width,
            self._height,
            self._image_bytes,
            self._icc_color_profile,
        )
      try:
        credentials = self.credentials
        if not credentials.token or isinstance(
            self._credential_factory,
            credential_factory_module.NoAuthCredentialsFactory,
        ):
          client = google.cloud.storage.Client.create_anonymous_client()
        else:
          client = google.cloud.storage.Client(credentials=self.credentials)
        gcs_blob = google.cloud.storage.Blob.from_string(
            self._gcs_uri,
            client=client,
        )
        raw_bytes = gcs_blob.download_as_bytes(raw_download=True)
      except google.api_core.exceptions.GoogleAPICallError as exp:
        raise ez_wsi_errors.raise_ez_wsi_http_exception(exp.message, exp)
      self._init_compressed_image_bytes(raw_bytes)
      return _GcsImageState(
          self._width, self._height, self._image_bytes, self._icc_color_profile
      )