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A helper module for scripts.

Project description

SetupHelper: Automating the Boilerplate in Python Setup Scripts

This Python module will make your setup scripts simpler to write, by automating as much as possible of the ‘boilerplate’ that normally goes into them. Instead of invoking the setup function with a long list of keyword arguments, you just set global variables in your setup script and then invoke the setup_main function, passing globals() as its argument. (The SetupHelper script itself illustrates this usage.)

The helper module does all the grunt work of translating your variables into keyword arguments, including automatically deducing and generating many arguments so that you only have to specify a much simpler set of data. As a bonus, if you are using Python’s standard distutils, SetupHelper provides (very basic!) support for the requires keyword, downloading and installing required packages for you, as long as their download URLs are available on PyPI. (Note that the distutils in Python 2.5 and later allow the requires keyword in distribution metadata, but do not actually use it to install anything for you. Of course some distutils replacements like setuptools do provide this functionality; if you are using setuptools, you can set the variable __distutils_pkg__ to ‘setuptools’ and SetupHelper will use setuptools’ support instead of its own.)

As one other bonus, SetupHelper allows you to automate the running of post-install scripts; just set the __post_install__ variable in your to a list of script names to be run from a subshell (this is done using os.system, so it has the limitations of that Python command). It is desirable to allow post-install scripts to be run from so that SetupHelper can ensure that any required packages are fully installed by just calling python install on them once they are unpacked.


Of course, to install SetupHelper, you can simply type

$ python install

in the directory where you unpacked the SetupHelper archive. However, since SetupHelper is used by setup scripts, you will probably want to include it along with your in the source archives for your Python projects.

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