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Provides the Command class, the base class for the command classes
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�Zd� Zd"d�Zd� Zd� Zd� Zd� Zd#d�Zd$d�Zd� Zd� Zd� Z d%d�Z d&d�Z d'd�Z d(d �Z d#d �Z!d)d �Z" d*d �Z# d+d �Z$y),�Commanda} Abstract base class for defining command classes, the "worker bees"
of the Distutils. A useful analogy for command classes is to think of
them as subroutines with local variables called "options". The options
are "declared" in 'initialize_options()' and "defined" (given their
final values, aka "finalized") in 'finalize_options()', both of which
must be defined by every command class. The distinction between the
two is necessary because option values might come from the outside
world (command line, config file, ...), and any options dependent on
other options must be computed *after* these outside influences have
been processed -- hence 'finalize_options()'. The "body" of the
subroutine, where it does all its work based on the values of its
options, is the 'run()' method, which must also be implemented by every
command class.
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supports. Note that these defaults may be overridden by other
commands, by the setup script, by config files, or by the
command-line. Thus, this is not the place to code dependencies
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are just a bunch of "self.foo = None" assignments.
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