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"""distutils.command.build_py
Implements the Distutils 'build_py' command."""
# created 1999/03/08, Greg Ward
__rcsid__ = "$Id$"
import string, os
from distutils.core import Command
from distutils.errors import *
from distutils.util import mkpath, newer, make_file, copy_file
class BuildPy (Command):
options = [('dir=', 'd', "directory for platform-shared files"),
]
def set_default_options (self):
self.dir = None
def set_final_options (self):
self.set_undefined_options ('build',
('libdir', 'dir'))
def run (self):
# XXX copy_file by default preserves all stat info -- mode, atime,
# and mtime. IMHO this is the right thing to do, but perhaps it
# should be an option -- in particular, a site administrator might
# want installed files to reflect the time of installation rather
# than the last modification time before the installed release.
# XXX copy_file does *not* preserve MacOS-specific file metadata.
# If this is a problem for building/installing Python modules, then
# we'll have to fix copy_file. (And what about installing scripts,
# when the time comes for that -- does MacOS use its special
# metadata to know that a file is meant to be interpreted by
# Python?)
self.set_final_options ()
(modules, package) = \
self.distribution.get_options ('py_modules', 'package')
package = package or ''
infiles = []
outfiles = []
missing = []
# Loop over the list of "pure Python" modules, deriving
# input and output filenames and checking for missing
# input files.
# it's ok not to have *any* py files, right?
if not modules:
return
# XXX we should allow for wildcards, so eg. the Distutils setup.py
# file would just have to say
# py_modules = ['distutils.*', 'distutils.command.*']
# without having to list each one explicitly.
for m in modules:
fn = apply (os.path.join, tuple (string.split (m, '.'))) + '.py'
if not os.path.exists (fn):
missing.append (fn)
else:
infiles.append (fn)
outfiles.append (os.path.join (self.dir, package, fn))
# Blow up if any input files were not found.
if missing:
raise DistutilsFileError, \
"missing files: " + string.join (missing, ' ')
# Loop over the list of input files, copying them to their
# temporary (build) destination.
created = {}
for i in range (len (infiles)):
outdir = os.path.split (outfiles[i])[0]
if not created.get(outdir):
self.mkpath (outdir)
created[outdir] = 1
self.copy_file (infiles[i], outfiles[i])
# end class BuildPy
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