[HADOOP-17496] Build failure due to python2.7 deprecation by pip

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: build
• Labels: pull-request-available

Environment

Linux

• Hadoop Flags: Reviewed
• Assignee: Gautham Banasandra
• Reporter: Gautham Banasandra
• Due: 26/Jan/21
• Created: 26/Jan/21 07:54
• Updated: 09/Nov/21 13:47
• Resolved: 26/Jan/21 14:07

Description

The latest version of pip has deprecated its support for python 2.7 - pip install on Python 2 fails with SyntaxError: sys.stderr.write(f"ERROR: {exc}") · Issue #9500 · pypa/pip (github.com)

We encounter the following error while building Hadoop -

11:24:56  Traceback (most recent call last):
11:24:56    File "get-pip.py", line 24226, in <module>
11:24:56      main()
11:24:56    File "get-pip.py", line 199, in main
11:24:56      bootstrap(tmpdir=tmpdir)
11:24:56    File "get-pip.py", line 82, in bootstrap
11:24:56      from pip._internal.cli.main import main as pip_entry_point
11:24:56    File "/tmp/tmpDXDtcP/pip.zip/pip/_internal/cli/main.py", line 60
11:24:56      sys.stderr.write(f"ERROR: {exc}")
11:24:56                                     ^
11:24:56  SyntaxError: invalid syntax 

Link : https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2567/16/consoleFull

Issue Links

• relates to: HADOOP-17465 Update Dockerfile to use Focal
• links to: GitHub Pull Request #2653