1999-03-22 14:55:25 +00:00
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"""distutils.command.build_py
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Implements the Distutils 'build_py' command."""
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# created 1999/03/08, Greg Ward
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2000-03-02 01:49:45 +00:00
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__revision__ = "$Id$"
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1999-03-22 14:55:25 +00:00
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1999-12-12 17:03:59 +00:00
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import sys, string, os
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1999-09-21 18:22:34 +00:00
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from types import *
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from glob import glob
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1999-03-22 14:55:25 +00:00
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from distutils.core import Command
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from distutils.errors import *
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2000-02-18 00:13:53 +00:00
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class build_py (Command):
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1999-03-22 14:55:25 +00:00
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2000-01-30 18:34:15 +00:00
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description = "\"build\" pure Python modules (copy to build directory)"
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2000-02-18 00:25:39 +00:00
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user_options = [
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2000-03-01 01:19:37 +00:00
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('build-lib=', 'd', "directory to \"build\" (copy) to"),
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2000-04-10 00:19:42 +00:00
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('force', 'f', "forcibly build everything (ignore file timestamps"),
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2000-02-18 00:25:39 +00:00
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]
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1999-03-22 14:55:25 +00:00
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2000-02-18 00:35:22 +00:00
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def initialize_options (self):
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2000-03-01 01:19:37 +00:00
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self.build_lib = None
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2000-06-04 13:42:52 +00:00
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self.py_modules = None
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1999-09-08 02:42:30 +00:00
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self.package = None
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1999-09-21 18:22:34 +00:00
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self.package_dir = None
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2000-04-10 00:19:42 +00:00
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self.force = None
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1999-03-22 14:55:25 +00:00
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2000-02-18 00:35:22 +00:00
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def finalize_options (self):
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1999-03-22 14:55:25 +00:00
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self.set_undefined_options ('build',
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2000-04-10 00:19:42 +00:00
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('build_lib', 'build_lib'),
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('force', 'force'))
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1999-09-21 18:22:34 +00:00
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# Get the distribution options that are aliases for build_py
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# options -- list of packages and list of modules.
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self.packages = self.distribution.packages
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2000-06-04 13:42:52 +00:00
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self.py_modules = self.distribution.py_modules
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1999-09-21 18:22:34 +00:00
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self.package_dir = self.distribution.package_dir
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1999-03-22 14:55:25 +00:00
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def run (self):
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1999-12-12 17:03:59 +00:00
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# XXX copy_file by default preserves atime and mtime. IMHO this is
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# the right thing to do, but perhaps it should be an option -- in
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# particular, a site administrator might want installed files to
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# reflect the time of installation rather than the last
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# modification time before the installed release.
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# XXX copy_file by default preserves mode, which appears to be the
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# wrong thing to do: if a file is read-only in the working
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# directory, we want it to be installed read/write so that the next
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# installation of the same module distribution can overwrite it
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# without problems. (This might be a Unix-specific issue.) Thus
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# we turn off 'preserve_mode' when copying to the build directory,
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# since the build directory is supposed to be exactly what the
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# installation will look like (ie. we preserve mode when
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# installing).
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1999-03-22 14:55:25 +00:00
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1999-09-21 18:22:34 +00:00
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# Two options control which modules will be installed: 'packages'
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2000-06-04 13:42:52 +00:00
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# and 'py_modules'. The former lets us work with whole packages, not
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1999-09-21 18:22:34 +00:00
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# specifying individual modules at all; the latter is for
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# specifying modules one-at-a-time. Currently they are mutually
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# exclusive: you can define one or the other (or neither), but not
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# both. It remains to be seen how limiting this is.
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1999-03-22 14:55:25 +00:00
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1999-09-21 18:22:34 +00:00
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# Dispose of the two "unusual" cases first: no pure Python modules
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# at all (no problem, just return silently), and over-specified
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2000-06-04 13:42:52 +00:00
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# 'packages' and 'py_modules' options.
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1999-09-21 18:22:34 +00:00
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2000-06-04 13:42:52 +00:00
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if not self.py_modules and not self.packages:
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1999-08-29 18:19:01 +00:00
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return
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2000-06-04 13:42:52 +00:00
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if self.py_modules and self.packages:
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1999-09-21 18:22:34 +00:00
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raise DistutilsOptionError, \
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2000-06-04 13:42:52 +00:00
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"build_py: supplying both 'packages' and 'py_modules' " + \
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1999-12-12 17:03:59 +00:00
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"options is not allowed"
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1999-09-21 18:22:34 +00:00
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2000-06-04 13:42:52 +00:00
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# Now we're down to two cases: 'py_modules' only and 'packages' only.
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if self.py_modules:
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1999-09-21 18:22:34 +00:00
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self.build_modules ()
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else:
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self.build_packages ()
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# run ()
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1999-08-29 18:19:01 +00:00
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1999-09-21 18:22:34 +00:00
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def get_package_dir (self, package):
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"""Return the directory, relative to the top of the source
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distribution, where package 'package' should be found
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(at least according to the 'package_dir' option, if any)."""
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2000-08-15 13:01:25 +00:00
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path = string.split (package, '.')
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1999-09-21 18:22:34 +00:00
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if not self.package_dir:
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1999-12-03 16:18:56 +00:00
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if path:
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return apply (os.path.join, path)
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else:
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return ''
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1999-09-21 18:22:34 +00:00
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else:
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tail = []
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while path:
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try:
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pdir = self.package_dir[string.join (path, '.')]
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except KeyError:
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tail.insert (0, path[-1])
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del path[-1]
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else:
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tail.insert (0, pdir)
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return apply (os.path.join, tail)
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1999-03-22 14:55:25 +00:00
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else:
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2000-05-26 00:44:06 +00:00
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# Oops, got all the way through 'path' without finding a
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# match in package_dir. If package_dir defines a directory
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# for the root (nameless) package, then fallback on it;
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# otherwise, we might as well have not consulted
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# package_dir at all, as we just use the directory implied
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# by 'tail' (which should be the same as the original value
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# of 'path' at this point).
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pdir = self.package_dir.get('')
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if pdir is not None:
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tail.insert(0, pdir)
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1999-12-03 16:18:56 +00:00
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if tail:
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return apply (os.path.join, tail)
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else:
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return ''
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1999-09-21 18:22:34 +00:00
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# get_package_dir ()
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def check_package (self, package, package_dir):
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# Empty dir name means current directory, which we can probably
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# assume exists. Also, os.path.exists and isdir don't know about
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# my "empty string means current dir" convention, so we have to
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# circumvent them.
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if package_dir != "":
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if not os.path.exists (package_dir):
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raise DistutilsFileError, \
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"package directory '%s' does not exist" % package_dir
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if not os.path.isdir (package_dir):
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2000-03-03 03:00:27 +00:00
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raise DistutilsFileError, \
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1999-09-21 18:22:34 +00:00
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("supposed package directory '%s' exists, " +
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"but is not a directory") % package_dir
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# Require __init__.py for all but the "root package"
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1999-12-03 16:18:56 +00:00
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if package:
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1999-09-21 18:22:34 +00:00
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init_py = os.path.join (package_dir, "__init__.py")
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2000-05-26 00:44:06 +00:00
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if os.path.isfile (init_py):
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return init_py
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else:
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1999-09-21 18:22:34 +00:00
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self.warn (("package init file '%s' not found " +
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"(or not a regular file)") % init_py)
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2000-05-26 00:44:06 +00:00
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# Either not in a package at all (__init__.py not expected), or
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# __init__.py doesn't exist -- so don't return the filename.
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return
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1999-09-21 18:22:34 +00:00
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# check_package ()
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def check_module (self, module, module_file):
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if not os.path.isfile (module_file):
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2000-02-02 00:07:14 +00:00
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self.warn ("file %s (for module %s) not found" %
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(module_file, module))
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1999-09-21 18:22:34 +00:00
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return 0
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else:
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return 1
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# check_module ()
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1999-09-29 12:44:57 +00:00
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def find_package_modules (self, package, package_dir):
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2000-03-29 02:10:51 +00:00
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self.check_package (package, package_dir)
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1999-09-21 18:22:34 +00:00
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module_files = glob (os.path.join (package_dir, "*.py"))
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2000-03-29 02:10:51 +00:00
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modules = []
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2000-08-29 01:15:18 +00:00
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setup_script = os.path.abspath(self.distribution.script_name)
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1999-12-12 17:03:59 +00:00
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1999-09-21 18:22:34 +00:00
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for f in module_files:
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1999-12-12 17:03:59 +00:00
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abs_f = os.path.abspath (f)
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if abs_f != setup_script:
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module = os.path.splitext (os.path.basename (f))[0]
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2000-03-29 02:10:51 +00:00
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modules.append ((package, module, f))
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2000-08-29 01:15:18 +00:00
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else:
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self.debug_print("excluding %s" % setup_script)
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2000-03-29 02:10:51 +00:00
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return modules
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1999-09-21 18:22:34 +00:00
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1999-09-29 12:44:57 +00:00
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def find_modules (self):
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2000-05-26 00:44:06 +00:00
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"""Finds individually-specified Python modules, ie. those listed by
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2000-06-04 13:42:52 +00:00
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module name in 'self.py_modules'. Returns a list of tuples (package,
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2000-05-26 00:44:06 +00:00
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module_base, filename): 'package' is a tuple of the path through
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package-space to the module; 'module_base' is the bare (no
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packages, no dots) module name, and 'filename' is the path to the
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".py" file (relative to the distribution root) that implements the
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module.
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"""
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1999-09-21 18:22:34 +00:00
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# Map package names to tuples of useful info about the package:
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# (package_dir, checked)
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# package_dir - the directory where we'll find source files for
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# this package
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# checked - true if we have checked that the package directory
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# is valid (exists, contains __init__.py, ... ?)
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packages = {}
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2000-05-26 00:44:06 +00:00
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# List of (package, module, filename) tuples to return
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1999-09-29 12:44:57 +00:00
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modules = []
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1999-09-21 18:22:34 +00:00
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# We treat modules-in-packages almost the same as toplevel modules,
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# just the "package" for a toplevel is empty (either an empty
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# string or empty list, depending on context). Differences:
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# - don't check for __init__.py in directory for empty package
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2000-06-04 13:42:52 +00:00
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for module in self.py_modules:
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1999-09-21 18:22:34 +00:00
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path = string.split (module, '.')
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2000-08-15 13:01:25 +00:00
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package = string.join(path[0:-1], '.')
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1999-09-29 12:44:57 +00:00
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module_base = path[-1]
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1999-09-21 18:22:34 +00:00
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try:
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(package_dir, checked) = packages[package]
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except KeyError:
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package_dir = self.get_package_dir (package)
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checked = 0
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if not checked:
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2000-05-26 00:44:06 +00:00
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init_py = self.check_package (package, package_dir)
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1999-09-21 18:22:34 +00:00
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packages[package] = (package_dir, 1)
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2000-05-26 00:44:06 +00:00
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if init_py:
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modules.append((package, "__init__", init_py))
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1999-09-21 18:22:34 +00:00
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# XXX perhaps we should also check for just .pyc files
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# (so greedy closed-source bastards can distribute Python
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# modules too)
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1999-09-29 12:44:57 +00:00
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module_file = os.path.join (package_dir, module_base + ".py")
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1999-09-21 18:22:34 +00:00
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if not self.check_module (module, module_file):
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continue
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2000-05-26 00:44:06 +00:00
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modules.append ((package, module_base, module_file))
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1999-09-29 12:44:57 +00:00
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return modules
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# find_modules ()
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2000-03-29 02:10:51 +00:00
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def find_all_modules (self):
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"""Compute the list of all modules that will be built, whether
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2000-06-04 13:42:52 +00:00
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they are specified one-module-at-a-time ('self.py_modules') or
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2000-03-29 02:10:51 +00:00
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by whole packages ('self.packages'). Return a list of tuples
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(package, module, module_file), just like 'find_modules()' and
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'find_package_modules()' do."""
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1999-09-29 12:44:57 +00:00
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2000-06-04 13:42:52 +00:00
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if self.py_modules:
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1999-09-29 12:44:57 +00:00
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modules = self.find_modules ()
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else:
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modules = []
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for package in self.packages:
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package_dir = self.get_package_dir (package)
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m = self.find_package_modules (package, package_dir)
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modules.extend (m)
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2000-03-29 02:10:51 +00:00
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return modules
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# find_all_modules ()
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def get_source_files (self):
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modules = self.find_all_modules ()
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1999-09-29 12:44:57 +00:00
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filenames = []
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for module in modules:
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filenames.append (module[-1])
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2000-03-29 02:10:51 +00:00
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return filenames
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1999-09-29 12:44:57 +00:00
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2000-03-29 02:10:51 +00:00
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def get_module_outfile (self, build_dir, package, module):
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outfile_path = [build_dir] + list(package) + [module + ".py"]
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return apply (os.path.join, outfile_path)
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def get_outputs (self):
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modules = self.find_all_modules ()
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outputs = []
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for (package, module, module_file) in modules:
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package = string.split (package, '.')
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outputs.append (self.get_module_outfile (self.build_lib,
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package, module))
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return outputs
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1999-09-29 12:44:57 +00:00
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2000-03-29 02:10:51 +00:00
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def build_module (self, module, module_file, package):
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1999-09-29 12:44:57 +00:00
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if type (package) is StringType:
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package = string.split (package, '.')
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1999-12-03 16:18:56 +00:00
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elif type (package) not in (ListType, TupleType):
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raise TypeError, \
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"'package' must be a string (dot-separated), list, or tuple"
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1999-09-29 12:44:57 +00:00
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# Now put the module source file into the "build" area -- this is
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2000-03-01 01:19:37 +00:00
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# easy, we just copy it somewhere under self.build_lib (the build
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1999-09-29 12:44:57 +00:00
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# directory for Python source).
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2000-03-29 02:10:51 +00:00
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outfile = self.get_module_outfile (self.build_lib, package, module)
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1999-09-29 12:44:57 +00:00
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dir = os.path.dirname (outfile)
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self.mkpath (dir)
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1999-12-12 17:03:59 +00:00
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self.copy_file (module_file, outfile, preserve_mode=0)
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1999-09-29 12:44:57 +00:00
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def build_modules (self):
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modules = self.find_modules()
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2000-03-29 02:10:51 +00:00
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for (package, module, module_file) in modules:
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1999-09-29 12:44:57 +00:00
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1999-09-21 18:22:34 +00:00
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# Now "build" the module -- ie. copy the source file to
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2000-03-01 01:19:37 +00:00
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# self.build_lib (the build directory for Python source).
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1999-09-29 12:44:57 +00:00
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# (Actually, it gets copied to the directory for this package
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2000-03-01 01:19:37 +00:00
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# under self.build_lib.)
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1999-09-21 18:22:34 +00:00
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self.build_module (module, module_file, package)
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# build_modules ()
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def build_packages (self):
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for package in self.packages:
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2000-03-29 02:10:51 +00:00
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# Get list of (package, module, module_file) tuples based on
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# scanning the package directory. 'package' is only included
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# in the tuple so that 'find_modules()' and
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# 'find_package_tuples()' have a consistent interface; it's
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# ignored here (apart from a sanity check). Also, 'module' is
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# the *unqualified* module name (ie. no dots, no package -- we
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# already know its package!), and 'module_file' is the path to
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# the .py file, relative to the current directory
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# (ie. including 'package_dir').
|
1999-09-21 18:22:34 +00:00
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package_dir = self.get_package_dir (package)
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1999-09-29 12:44:57 +00:00
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modules = self.find_package_modules (package, package_dir)
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1999-09-21 18:22:34 +00:00
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# Now loop over the modules we found, "building" each one (just
|
2000-03-01 01:19:37 +00:00
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|
# copy it to self.build_lib).
|
2000-03-29 02:10:51 +00:00
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|
for (package_, module, module_file) in modules:
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assert package == package_
|
1999-09-21 18:22:34 +00:00
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|
self.build_module (module, module_file, package)
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# build_packages ()
|
1999-03-22 14:55:25 +00:00
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|
2000-05-25 01:10:04 +00:00
|
|
|
# class build_py
|