[Bug 2022372] Re: Backport for deprecated int_from_bytes to int.from_bytes

[Corey Bryant]

Hello Heather, or anyone else affected,

Accepted python-cryptography into yoga-proposed. The package will build
now and be available in the Ubuntu Cloud Archive in a few hours, and
then in the -proposed repository.

Please help us by testing this new package. To enable the -proposed
repository:

  sudo add-apt-repository cloud-archive:yoga-proposed
  sudo apt-get update

Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-yoga-needed to verification-yoga-done. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-yoga-failed. In either case, details of your testing
will help us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in
advance!

** Changed in: cloud-archive/yoga
       Status: In Progress => Fix Committed

** Tags added: verification-yoga-needed

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https://bugs.launchpad.net/bugs/2022372

Title:
  Backport for deprecated int_from_bytes to int.from_bytes

Status in Ubuntu Cloud Archive:
  Invalid
Status in Ubuntu Cloud Archive yoga series:
  Fix Committed
Status in python-secretstorage package in Ubuntu:
  Invalid
Status in python-secretstorage source package in Bionic:
  Invalid
Status in python-secretstorage source package in Focal:
  Won't Fix
Status in python-secretstorage source package in Jammy:
  Invalid
Status in python-secretstorage source package in Kinetic:
  Invalid

Bug description:
  [ Impact ]

  There is an issue when using the combination of the Ubuntu version of
  python3-secretstorage (not available in UCA) and the UCA version of
  python3-cryptography (dependency), that deprecated `int_from_bytes()`
  (this isn't the case with the Ubuntu version of python3-cryptography).

  Executing openstack commands or running
   `from secretstorage.dhcrypto import Session`
  shows warning messages like this in the logs
   `CryptographyDeprecationWarning: int_from_bytes is deprecated,
    use int.from_bytes instead`.

  
  [ Test Plan ]

  # This is the expected output
  python3
  >>> from secretstorage.dhcrypto import Session
  >>> session = Session()
  >>> exit()

  # install focal version of python3-secretstorage module
  sudo apt-get install python3-secretstorage=2.3.1-2ubuntu1

  # install uca focal-yoga version of python3-cryptography
  sudo apt-add-repository -y cloud-archive:yoga
  sudo apt install -y python3-cryptography

  Installing and running the dhcrypto module from python-secretstorage
  shows after installing the package from the cloud-archive we see
  logger warnings messages from the deprecated method. Yoga has the
  updated python3-cryptography module with the upstream Debian fixes.

  python3
  >>> from secretstorage.dhcrypto import Session
  /usr/lib/python3/dist-packages/secretstorage/dhcrypto.py:15: CryptographyDeprecationWarning: int_from_bytes is deprecated, use int.from_bytes instead
    from cryptography.utils import int_from_bytes
  /usr/lib/python3/dist-packages/secretstorage/util.py:19: CryptographyDeprecationWarning: int_from_bytes is deprecated, use int.from_bytes instead
    from cryptography.utils import int_from_bytes
  >>> exit()

  Ensure unit tests pass and no regressions are found.

  Deploy focal yoga openstack instance. Execute openstack commands
  and ensure warning message like those above are no longer reported in the logs.

  [ Where problems could occur ]

  The impact is low as this just removes a deprecation warning from a
  method.

  Ensure that python3-secretstorage has no regressions.

  [ Other Info ]

  [0] upstream debian link - https://salsa.debian.org/python-team/packages/python-secretstorage/-/commit/e24df79cf7d62f11c2906d5aa0f4885cefeafbbf
  [1] Github conversation link - https://github.com/mitya57/secretstorage/pull/27
  [2] upstream cherrypick author other - https://github.com/mitya57/secretstorage/pull/27
  [3] https://github.com/pyca/cryptography/commit/5528a3182fdd6ed1c44c126d451a87bcf39e79de

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