[Bug 1917318] Re: code confuses identity and equality (fixed upstream)

Sun Mar 28 00:02:09 UTC 2021

bugfixed package available from my SRU PPA
https://launchpad.net/~r0lf/+archive/ubuntu/stable/

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https://bugs.launchpad.net/bugs/1917318

Title:
  code confuses identity and equality (fixed upstream)

Status in ansible package in Ubuntu:
  Invalid
Status in python-jmespath package in Ubuntu:
  Confirmed
Status in python-netaddr package in Ubuntu:
  Confirmed
Status in Debian:
  Unknown

Bug description:
  IMPACT:

  Python 3.8 has started to emit warnings for code that confuses
  equality and identity.  For more background see
  https://adamj.eu/tech/2020/01/21/why-does-python-3-8-syntaxwarning-
  for-is-literal/

  While it is just a warning, it is very visible when running ansible on
  focal for example, to the point of making the output incredibly hard
  to follow.  Furthermore, the incorrect indifference between identity
  and equality might be creating true bugs as discussed in above blog
  entry.  It seems advisable to fix this incorrect code when found.

  TEST CASE:

  tbd

  REGRESSION POTENTIAL:

  tbd

  Original report below:
  ======================
  lsb_release -rd
  Description:	Ubuntu 20.04.2 LTS
  Release:	20.04

  apt-cache policy ansible
  ansible:
    Installed: 2.9.6+dfsg-1
    Candidate: 2.9.6+dfsg-1
    Version table:
   *** 2.9.6+dfsg-1 500
          500 http://tw.archive.ubuntu.com/ubuntu focal/universe amd64 Packages
          500 http://tw.archive.ubuntu.com/ubuntu focal/universe i386 Packages
          100 /var/lib/dpkg/status

  Hi, I install ansible have output some log:

  Selecting previously unselected package python3-markupsafe.
  (Reading database ... 194136 files and directories currently installed.)
  Preparing to unpack .../00-python3-markupsafe_1.1.0-1build2_amd64.deb ...
  Unpacking python3-markupsafe (1.1.0-1build2) ...
  Selecting previously unselected package python3-jinja2.
  Preparing to unpack .../01-python3-jinja2_2.10.1-2_all.deb ...
  Unpacking python3-jinja2 (2.10.1-2) ...
  Selecting previously unselected package python3-dnspython.
  Preparing to unpack .../02-python3-dnspython_1.16.0-1build1_all.deb ...
  Unpacking python3-dnspython (1.16.0-1build1) ...
  Selecting previously unselected package ieee-data.
  Preparing to unpack .../03-ieee-data_20180805.1_all.deb ...
  Unpacking ieee-data (20180805.1) ...
  Selecting previously unselected package python3-netaddr.
  Preparing to unpack .../04-python3-netaddr_0.7.19-3_all.deb ...
  Unpacking python3-netaddr (0.7.19-3) ...
  Selecting previously unselected package ansible.
  Preparing to unpack .../05-ansible_2.9.6+dfsg-1_all.deb ...
  Unpacking ansible (2.9.6+dfsg-1) ...
  Selecting previously unselected package python3-argcomplete.
  Preparing to unpack .../06-python3-argcomplete_1.8.1-1.3ubuntu1_all.deb ...
  Unpacking python3-argcomplete (1.8.1-1.3ubuntu1) ...
  Selecting previously unselected package python3-jmespath.
  Preparing to unpack .../07-python3-jmespath_0.9.4-2_all.deb ...
  Unpacking python3-jmespath (0.9.4-2) ...
  Selecting previously unselected package python3-kerberos.
  Preparing to unpack .../08-python3-kerberos_1.1.14-3.1build1_amd64.deb ...
  Unpacking python3-kerberos (1.1.14-3.1build1) ...
  Selecting previously unselected package python3-lockfile.
  Preparing to unpack .../09-python3-lockfile_1%3a0.12.2-2ubuntu2_all.deb ...
  Unpacking python3-lockfile (1:0.12.2-2ubuntu2) ...
  Selecting previously unselected package python3-libcloud.
  Preparing to unpack .../10-python3-libcloud_2.8.0-1_all.deb ...
  Unpacking python3-libcloud (2.8.0-1) ...
  Selecting previously unselected package python3-ntlm-auth.
  Preparing to unpack .../11-python3-ntlm-auth_1.1.0-1_all.deb ...
  Unpacking python3-ntlm-auth (1.1.0-1) ...
  Selecting previously unselected package python3-requests-kerberos.
  Preparing to unpack .../12-python3-requests-kerberos_0.12.0-2_all.deb ...
  Unpacking python3-requests-kerberos (0.12.0-2) ...
  Selecting previously unselected package python3-requests-ntlm.
  Preparing to unpack .../13-python3-requests-ntlm_1.1.0-1_all.deb ...
  Unpacking python3-requests-ntlm (1.1.0-1) ...
  Selecting previously unselected package python3-selinux.
  Preparing to unpack .../14-python3-selinux_3.0-1build2_amd64.deb ...
  Unpacking python3-selinux (3.0-1build2) ...
  Selecting previously unselected package python3-xmltodict.
  Preparing to unpack .../15-python3-xmltodict_0.12.0-1_all.deb ...
  Unpacking python3-xmltodict (0.12.0-1) ...
  Selecting previously unselected package python3-winrm.
  Preparing to unpack .../16-python3-winrm_0.3.0-2_all.deb ...
  Unpacking python3-winrm (0.3.0-2) ...
  Setting up python3-lockfile (1:0.12.2-2ubuntu2) ...
  Setting up python3-ntlm-auth (1.1.0-1) ...
  Setting up python3-kerberos (1.1.14-3.1build1) ...
  Setting up python3-libcloud (2.8.0-1) ...
  Setting up python3-markupsafe (1.1.0-1build2) ...
  Setting up python3-xmltodict (0.12.0-1) ...
  Setting up python3-jinja2 (2.10.1-2) ...
  Setting up python3-jmespath (0.9.4-2) ...
  /usr/lib/python3/dist-packages/jmespath/visitor.py:32: SyntaxWarning: "is" with a literal. Did you mean "=="?
    if x is 0 or x is 1:
  /usr/lib/python3/dist-packages/jmespath/visitor.py:32: SyntaxWarning: "is" with a literal. Did you mean "=="?
    if x is 0 or x is 1:
  /usr/lib/python3/dist-packages/jmespath/visitor.py:34: SyntaxWarning: "is" with a literal. Did you mean "=="?
    elif y is 0 or y is 1:
  /usr/lib/python3/dist-packages/jmespath/visitor.py:34: SyntaxWarning: "is" with a literal. Did you mean "=="?
    elif y is 0 or y is 1:
  /usr/lib/python3/dist-packages/jmespath/visitor.py:260: SyntaxWarning: "is" with a literal. Did you mean "=="?
    if original_result is 0:
  Setting up python3-requests-kerberos (0.12.0-2) ...
  Setting up ieee-data (20180805.1) ...
  Setting up python3-dnspython (1.16.0-1build1) ...
  Setting up python3-selinux (3.0-1build2) ...
  Setting up python3-argcomplete (1.8.1-1.3ubuntu1) ...
  Setting up python3-requests-ntlm (1.1.0-1) ...
  Setting up python3-netaddr (0.7.19-3) ...
  /usr/lib/python3/dist-packages/netaddr/strategy/__init__.py:189: SyntaxWarning: "is not" with a literal. Did you mean "!="?
    if word_sep is not '':
  Setting up python3-winrm (0.3.0-2) ...
  Setting up ansible (2.9.6+dfsg-1) ...
  Processing triggers for man-db (2.9.1-1) ...

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