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# created 1999/03/13, Greg Ward
__revision__ = "$Id$"
import sys, os, string
from distutils.core import Command
from distutils.util import copy_tree
class install_lib (Command):
description = "install pure Python modules"
user_options = [
('install-dir=', 'd', "directory to install to"),
('build-dir=','b', "build directory (where to install from)"),
('compile', 'c', "compile .py to .pyc"),
('optimize', 'o', "compile .py to .pyo (optimized)"),
]
def initialize_options (self):
# let the 'install' command dictate our installation directory
self.install_dir = None
self.build_dir = None
self.compile = 1
self.optimize = 1
def finalize_options (self):
# Get all the information we need to install pure Python modules
# from the umbrella 'install' command -- build (source) directory,
# install (target) directory, and whether to compile .py files.
self.set_undefined_options ('install',
('build_lib', 'build_dir'),
('install_lib', 'install_dir'),
('compile_py', 'compile'),
('optimize_py', 'optimize'))
def run (self):
# Make sure we have built everything we need first
if self.distribution.has_pure_modules():
self.run_peer ('build_py')
if self.distribution.has_ext_modules():
self.run_peer ('build_ext')
# Install everything: simply dump the entire contents of the build
# directory to the installation directory (that's the beauty of
# having a build directory!)
outfiles = self.copy_tree (self.build_dir, self.install_dir)
# (Optionally) compile .py to .pyc
# XXX hey! we can't control whether we optimize or not; that's up
# to the invocation of the current Python interpreter (at least
# according to the py_compile docs). That sucks.
if self.compile:
from py_compile import compile
for f in outfiles:
# XXX can't assume this filename mapping! (what if
# we're running under "python -O"?)
# only compile the file if it is actually a .py file
if f[-3:] == '.py':
out_fn = string.replace (f, '.py', '.pyc')
self.make_file (f, out_fn, compile, (f,),
"byte-compiling %s" % f,
"byte-compilation of %s skipped" % f)
# XXX ignore self.optimize for now, since we don't really know if
# we're compiling optimally or not, and couldn't pick what to do
# even if we did know. ;-(
# run ()
def _mutate_outputs (self, has_any, build_cmd, cmd_option, output_dir):
if not has_any:
return []
build_cmd = self.find_peer (build_cmd)
build_files = build_cmd.get_outputs()
build_dir = build_cmd.get_option (cmd_option)
prefix_len = len (build_dir) + len (os.sep)
outputs = []
for file in build_files:
outputs.append (os.path.join (output_dir, file[prefix_len:]))
return outputs
# _mutate_outputs ()
def get_outputs (self):
"""Return the list of files that would be installed if this command
were actually run. Not affected by the "dry-run" flag or whether
modules have actually been built yet."""
pure_outputs = \
self._mutate_outputs (self.distribution.has_pure_modules(),
'build_py', 'build_lib',
self.install_dir)
ext_outputs = \
self._mutate_outputs (self.distribution.has_ext_modules(),
'build_ext', 'build_lib',
self.install_dir)
return pure_outputs + ext_outputs
# get_outputs ()
# class install_lib
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