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

[Heather Lemon]

Hi Robie/Maurico,

I do not see a UCA version of python-secretstorage package. If I
mistyped please let me know.

I thought the warnings only occur with python-secretstorage
(debian/focal) + python3-cryptography (any version above 3.4+) but I can
double check.

root at focalsstest2:~/pythonss/python3-secretstorage# cmadison python-
secretstorage

root at focalsstest2:~/pythonss/python3-secretstorage# cmadison python3-cryptography
 python3-cryptography | 1.2.3-1ubuntu0.3~cloud0 | mitaka            | trusty-updates  | any all
 python3-cryptography | 1.2.3-1ubuntu0.3~cloud0 | mitaka-proposed   | trusty-proposed | any all
 python3-cryptography | 2.1.4-1ubuntu1.4~cloud0 | queens            | xenial-updates  | any all
 python3-cryptography | 2.1.4-1ubuntu1.4~cloud0 | queens-proposed   | xenial-proposed | any all
 python3-cryptography | 2.6.1-3.1~cloud0        | train             | bionic-updates  | any all
 python3-cryptography | 2.6.1-3.1~cloud0        | train-proposed    | bionic-proposed | any all
 python3-cryptography | 2.8-3ubuntu0.1~cloud0   | ussuri            | bionic-updates  | any all
 python3-cryptography | 2.8-3ubuntu0.1~cloud0   | ussuri-proposed   | bionic-proposed | any all
 python3-cryptography | 3.0-1ubuntu0.1~cloud0   | victoria          | focal-updates   | any all
 python3-cryptography | 3.0-1ubuntu0.1~cloud0   | victoria-proposed | focal-proposed  | any all
 python3-cryptography | 3.3.2-1~cloud0          | wallaby           | focal-updates   | any all
 python3-cryptography | 3.3.2-1~cloud0          | wallaby-proposed  | focal-proposed  | any all
 python3-cryptography | 3.3.2-1build1~cloud0    | xena              | focal-updates   | any all
 python3-cryptography | 3.3.2-1build1~cloud0    | xena-proposed     | focal-proposed  | any all
 python3-cryptography | 3.4.8-1ubuntu2~cloud0   | yoga              | focal-updates   | any all
 python3-cryptography | 3.4.8-1ubuntu2~cloud0   | yoga-proposed     | focal-proposed  | any all

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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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