pip 19.2 release, Python package installation and management tools

Python package installation and management tools pip 19.2 has been released updates:

• Drop support for the EOL Python3.4
• We will now use the keyring load credentials during installation
• Fully supports the use of --trusted-host file in demand
• The pip --log update file to include a timestamp in milliseconds
• In selecting candidates to install, choose a matching hash hash with the user to provide candidates
• METADATA  Or  PKG-INFO when accessing the metadata when None, improved error message
• Add a new command pip debug, it can display the current list of compatible Python's mark
• When the search results include a pre-release version, --pre installation prompts
• If you set the environment variable PIP_IS_CI report to the warehouse PIP is running
• Allow  --python-version  transmission (e.g. 3.7 or 3.7.3) as a broken line version string
• Add one pip freeze the --pathparameters to support  --target installation
• To   pip list add one of the  --pathparameters to support  --target installation

Bug fixes

• When calling setup.py by setuptools, it will  sys.argv[0]set the foundation  setup.py , would not think so setuptools path -c 
• When checking "Requip-Python", pip download updates to follow a given version of python
• When the installation from version control url, follow  --global-option  and --install-option 
• The "ascii" progress bar truly become "ascii" instead of unicode
• When trying to set a malformed key in the configuration will fail
• Prevent indication prefix in the global environment and the remote option error when using --Target
• In calculating the link, repair   pip install to respect through --ignore-requires-python 
• When you freeze editable, non-required version control, repair debug log messages
• Invoked interactively Subversion's behavior extended to Subversion 1.8+ run interactively PIP
• Invalid document read demand in some cases, added to the line number and file location error message
• When an invalid edit, improvement of the error message is printed

Other improvements

• The certificate upgrade to 2019.6.16 
• Upgrade dislib to 0.2.9.post0
• The urllib 3 upgraded to 1.25.3
• The request to upgrade to 2.22.0
• Hotfix Support html5lib
• Temporary installation work can replace failed installation example pip

For details see the release notes