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

[Heather Lemon]

python3-cryptography focal-yoga debdiff

** Patch added: "lp2022372-focal-yoga-remove-deprecated-warnings.debdiff"
   https://bugs.launchpad.net/ubuntu/+source/python-secretstorage/+bug/2022372/+attachment/5691116/+files/lp2022372-focal-yoga-remove-deprecated-warnings.debdiff

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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:
  Confirmed
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:
  Invalid
Status in python-secretstorage source package in Jammy:
  Invalid
Status in python-secretstorage source package in Kinetic:
  Invalid

Bug description:
  [ Impact ]

  A method from cryptographic_utils was deprecated and replaced.
  This affects both python-secretstorage and python3-secretstorage
  with the python3-cryptography dependency from the Ubuntu Cloud Archive.

  It also deprecates the usage of utils.int_from_bytes: pyca/cryptography#5609
  int_from_bytes is deprecated in favor of int.from_bytes which ships with Python 3

  We are cherry-picking 2 commits from upstream,
  ad7c45e493fff48f897487d6aff63f4fff021d31 and
  08c7010322ecec0de1e51cc51d5ed9db34a38aa3 to address the unnecessary
  logging when using any Openstack command, or automating the
  install/upgrade of services on OpenStack.

  [ Test Plan ]

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

  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.

  sudo apt-add-repository -y cloud-archive:yoga
  sudo apt install -y python3-cryptography

  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()

  [ Where problems could occur ]

  This does not include the cryptography module update which python3-secretstorage depends on. [1] We are also still supporting Python2 with this cherry-picked patch.
  Build-Depends: debhelper-compat (= 13),
                 dh-python,
                 python3-all
                 python3-cryptography,
                 python3-jeepney
                 python3-setuptools,
                 python3-sphinx

  The impact is low as this fixes a deprecated method from a 3rd party
  library.

  It allows one to create, edit and delete secret items, manipulate
  secret collections, and search for items matching given attributes.
  It also supports locking and unlocking collections.

  [ 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

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