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#!/bin/sh
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# vim:ts=4:sts=4:sw=4:et
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#
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# Author: Hari Sekhon
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# Date: 2021-02-26 09:31:22 +0000 (Fri, 26 Feb 2021)
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#
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# https://github.com/HariSekhon/bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
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#
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# https://www.linkedin.com/in/HariSekhon
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#
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# Downgrades Pip version if Python < 3 because pip has dropped support for the widely used Python 2.7
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#
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# Avoids this error:
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#
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# Traceback (most recent call last):
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# File "/usr/lib64/python2.7/runpy.py", line 162, in _run_module_as_main
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# "__main__", fname, loader, pkg_name)
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# File "/usr/lib64/python2.7/runpy.py", line 72, in _run_code
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# exec code in run_globals
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# File "/usr/lib/python2.7/site-packages/pip/__main__.py", line 21, in <module>
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# from pip._internal.cli.main import main as _main
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# File "/usr/lib/python2.7/site-packages/pip/_internal/cli/main.py", line 60
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# sys.stderr.write(f"ERROR: {exc}")
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# ^
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set -eu
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[ -n "${DEBUG:-}" ] && set -x
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if ! pip --version >/dev/null 2>&1; then
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echo "pip --version failed"
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if python --version 2>&1 | grep -q '^Python 2'; then
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echo "Python is legacy version 2"
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echo "Installing pip < 21.0 to be able to run"
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easy_install 'pip < 21.0'
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fi
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fi
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