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"""Custom entry-point for pip that filters out unwanted logging and warnings."""
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import logging
import os
import re
import runpy
import sys
import warnings
BUILTIN_FILTERER_FILTER = logging.Filterer.filter
LOGGING_MESSAGE_FILTER = re.compile("^("
".*Running pip install with root privileges is generally not a good idea.*|" # custom Fedora patch [1]
".*Running pip as the 'root' user can result in broken permissions .*|" # pip 21.1
"DEPRECATION: Python 2.7 will reach the end of its life .*|" # pip 19.2.3
"Ignoring .*: markers .* don't match your environment|"
"Looking in indexes: .*|" # pypi-test-container
"Requirement already satisfied.*"
")$")
# [1] https://src.fedoraproject.org/rpms/python-pip/blob/f34/f/emit-a-warning-when-running-with-root-privileges.patch
WARNING_MESSAGE_FILTERS = (
# DEPRECATION: Python 2.7 reached the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 is no longer maintained.
# pip 21.0 will drop support for Python 2.7 in January 2021.
# More details about Python 2 support in pip, can be found at https://pip.pypa.io/en/latest/development/release-process/#python-2-support
'DEPRECATION: Python 2.7 reached the end of its life ',
# DEPRECATION: Python 3.5 reached the end of its life on September 13th, 2020. Please upgrade your Python as Python 3.5 is no longer maintained.
# pip 21.0 will drop support for Python 3.5 in January 2021. pip 21.0 will remove support for this functionality.
'DEPRECATION: Python 3.5 reached the end of its life ',
)
def custom_filterer_filter(self, record):
"""Globally omit logging of unwanted messages."""
if LOGGING_MESSAGE_FILTER.search(record.getMessage()):
return 0
return BUILTIN_FILTERER_FILTER(self, record)
def main():
"""Main program entry point."""
# Filtering logging output globally avoids having to intercept stdout/stderr.
# It also avoids problems with loss of color output and mixing up the order of stdout/stderr messages.
logging.Filterer.filter = custom_filterer_filter
for message_filter in WARNING_MESSAGE_FILTERS:
# Setting filterwarnings in code is necessary because of the following:
# Python 2.7 cannot use the -W option to match warning text after a colon. This makes it impossible to match specific warning messages.
warnings.filterwarnings('ignore', message_filter)
get_pip = os.environ.get('GET_PIP')
try:
if get_pip:
directory, filename = os.path.split(get_pip)
module = os.path.splitext(filename)[0]
sys.path.insert(0, directory)
runpy.run_module(module, run_name='__main__', alter_sys=True)
else:
runpy.run_module('pip.__main__', run_name='__main__', alter_sys=True)
except ImportError as ex:
print('pip is unavailable: %s' % ex)
sys.exit(1)
if __name__ == '__main__':
main()
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