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authorGeorg Brandl <georg@python.org>2010-08-02 20:17:50 (GMT)
committerGeorg Brandl <georg@python.org>2010-08-02 20:17:50 (GMT)
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#4280: remove outdated "versionchecker" tool.
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-This is versioncheck 1.0, a first stab at automatic checking of versions of
-Python extension packages installed on your system.
-
-The basic idea is that each package contains a _checkversion.py
-somewhere, probably at the root level of the package. In addition, each
-package maintainer makes a file available on the net, through ftp or
-http, which contains the version number of the most recent distribution
-and some readable text explaining the differences with previous
-versions, where to download the package, etc.
-
-The checkversions.py script walks through the installed Python tree (or
-through a tree of choice), and runs each _checkversion.py script. These
-scripts retrieve the current-version file over the net, compares version
-numbers and tells the user about new versions of packages available.
-
-A boilerplate for the _checkversion.py file can be found here. Replace
-package name, version and the URL of the version-check file and put it in
-your distribution. In stead of a single URL you can also specify a list
-of URLs. Each of these will be checked in order until one is available,
-this is handy for distributions that live in multiple places. Put the
-primary distribution site (the most up-to-date site) before others.
-The script is read and executed with exec(), not imported, and the current
-directory is the checkversion directory, so be careful with globals,
-importing, etc.
-
-The version-check file consists of an rfc822-style header followed by
-plaintext. The only header field checked currently is
-'Current-Version:', which should contain te current version and is
-matched against the string contained in the _checkversion.py script.
-The rest of the file is human-readable text and presented to the user if
-there is a version mismatch. It should contain at the very least a URL
-of either the current distribution or a webpage describing it.
-
-Pycheckversion.py is the module that does the actual checking of versions.
-It should be fine where it is, it is imported by checkversion before anything
-else is done, but if imports fail you may want to move it to somewhere
-along sys.path.
-
- Jack Jansen, CWI, 23-Dec-97.
- <jack@cwi.nl>
-