問題

Poetry で Torch をインストールするときに、コネクションがタイムアウトしてしまった。

エラー文抜粋：

  • Installing torch (2.0.1): Failed

  timeout

  The read operation timed out

  ReadTimeoutError

  HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.

エラー文全体

# 前略...

  • Installing torch (2.0.1): Failed

  timeout

  The read operation timed out

  at /usr/lib/python3.8/ssl.py:1099 in read
      1095│         if self._sslobj is None:
      1096│             raise ValueError("Read on closed or unwrapped SSL socket.")
      1097│         try:
      1098│             if buffer is not None:
    → 1099│                 return self._sslobj.read(len, buffer)
      1100│             else:
      1101│                 return self._sslobj.read(len)
      1102│         except SSLError as x:
      1103│             if x.args[0] == SSL_ERROR_EOF and self.suppress_ragged_eofs:

The following error occurred when trying to handle this error:


  ReadTimeoutError

  HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.

  at ~/.local/pipx/venvs/poetry/lib/python3.8/site-packages/urllib3/response.py:715 in _error_catcher
       711│
       712│             except SocketTimeout as e:
       713│                 # FIXME: Ideally we'd like to include the url in the ReadTimeoutError but
       714│                 # there is yet no clean way to get at it from this context.
    →  715│                 raise ReadTimeoutError(self._pool, None, "Read timed out.") from e  # type: ignore[arg-type]
       716│
       717│             except BaseSSLError as e:
       718│                 # FIXME: Is there a better way to differentiate between SSLErrors?
       719│                 if "read operation timed out" not in str(e):

The following error occurred when trying to handle this error:


  ConnectionError

  HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.

  at ~/.local/pipx/venvs/poetry/lib/python3.8/site-packages/requests/models.py:822 in generate
       818│                     raise ChunkedEncodingError(e)
       819│                 except DecodeError as e:
       820│                     raise ContentDecodingError(e)
       821│                 except ReadTimeoutError as e:
    →  822│                     raise ConnectionError(e)
       823│                 except SSLError as e:
       824│                     raise RequestsSSLError(e)
       825│             else:
       826│                 # Standard file-like object.

Cannot install torch.

解決

インストールしようとしていた Torch が大きすぎてタイムアウトしていた様子。

環境変数でタイムアウトを伸ばせるようになっているらしい。

POETRY_REQUESTS_TIMEOUT=600 poetry install

うまくいった。