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I saw on this page that pip install neo4j-doc-manager --pre was used. What does the --pre flag mean?
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The --user option modifies all pip commands that accept it to see/operate on the user install folder, so if you use pip list --user it will only show you packages installed with pip install --user . Follow this answer to receive notifications.
Most distributions of Python come with pip preinstalled. Python 2.7. 9 and later (on the python2 series), and Python 3.4 and later include pip (pip3 for Python 3) by default.
To install a specific version of a Python package you can use pip: pip install YourPackage==YourVersion . For example, if you want to install an older version of Pandas you can do as follows: pip install pandas==1.1. 3 .
The -e flag makes it an “editable” install, leaving the source code in place and allowing you to modify it if desired. (Otherwise, by default, pip would move the python code to some site-packages directory and delete everything else.)
It tells pip to include pre-release versions of packages when searching for the latest version.
From the pip install reference documentation:
Include pre-release and development versions. By default, pip only finds stable versions.
See the section on Pre-release Versions:
Starting with v1.4, pip will only install stable versions as specified by PEP426 by default. If a version cannot be parsed as a compliant PEP426 version then it is assumed to be a pre-release.
The neo4j-doc-manager package currently has 5 releases out; one 'stable' 0.1.0 release and 4 devX releases which are newer, see the machine-readable list of releases. Without the --pre switch the 0.1.0 release would be installed, with the switch (as of this writing) 1.0.0.dev11 would be installed instead.
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