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Added support for JUPYTER_TOKEN_FILE #5587

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merged 3 commits into from
Jul 23, 2020
Merged

Added support for JUPYTER_TOKEN_FILE #5587

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c8d4113
Added support for JUPYTER_TOKEN_FILE
StromFLIX Jul 6, 2020
e08b300
Fixed typo
StromFLIX Jul 6, 2020
4d1bdf8
Added help description
StromFLIX Jul 22, 2020
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7 changes: 7 additions & 0 deletions notebook/notebookapp.py
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Original file line number Diff line number Diff line change
Expand Up @@ -931,6 +931,9 @@ def _write_cookie_secret_file(self, secret):
token = Unicode('<generated>',
help=_("""Token used for authenticating first-time connections to the server.

The token can be read from the file referenced by JUPYTER_TOKEN_FILE or set directly
with the JUPYTER_TOKEN environment variable.

When no password is enabled,
the default is to generate a new, random token.

Expand All @@ -945,6 +948,10 @@ def _token_default(self):
if os.getenv('JUPYTER_TOKEN'):
self._token_generated = False
return os.getenv('JUPYTER_TOKEN')
if os.getenv('JUPYTER_TOKEN_FILE'):
self._token_generated = False
with io.open(os.getenv('JUPYTER_TOKEN_FILE'), "r") as token_file:
return token_file.read()
if self.password:
# no token if password is enabled
self._token_generated = False
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