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1"""distutils.command.clean
2
3Implements the Distutils 'clean' command."""
4
5# contributed by Bastian Kleineidam <calvin@cs.uni-sb.de>, added 2000-03-18
6
7__revision__ = "$Id$"
8
9import os
10from distutils.core import Command
11from distutils.dir_util import remove_tree
12from distutils import log
13
14class clean(Command):
15
16    description = "clean up temporary files from 'build' command"
17    user_options = [
18        ('build-base=', 'b',
19         "base build directory (default: 'build.build-base')"),
20        ('build-lib=', None,
21         "build directory for all modules (default: 'build.build-lib')"),
22        ('build-temp=', 't',
23         "temporary build directory (default: 'build.build-temp')"),
24        ('build-scripts=', None,
25         "build directory for scripts (default: 'build.build-scripts')"),
26        ('bdist-base=', None,
27         "temporary directory for built distributions"),
28        ('all', 'a',
29         "remove all build output, not just temporary by-products")
30    ]
31
32    boolean_options = ['all']
33
34    def initialize_options(self):
35        self.build_base = None
36        self.build_lib = None
37        self.build_temp = None
38        self.build_scripts = None
39        self.bdist_base = None
40        self.all = None
41
42    def finalize_options(self):
43        self.set_undefined_options('build',
44                                   ('build_base', 'build_base'),
45                                   ('build_lib', 'build_lib'),
46                                   ('build_scripts', 'build_scripts'),
47                                   ('build_temp', 'build_temp'))
48        self.set_undefined_options('bdist',
49                                   ('bdist_base', 'bdist_base'))
50
51    def run(self):
52        # remove the build/temp.<plat> directory (unless it's already
53        # gone)
54        if os.path.exists(self.build_temp):
55            remove_tree(self.build_temp, dry_run=self.dry_run)
56        else:
57            log.debug("'%s' does not exist -- can't clean it",
58                      self.build_temp)
59
60        if self.all:
61            # remove build directories
62            for directory in (self.build_lib,
63                              self.bdist_base,
64                              self.build_scripts):
65                if os.path.exists(directory):
66                    remove_tree(directory, dry_run=self.dry_run)
67                else:
68                    log.warn("'%s' does not exist -- can't clean it",
69                             directory)
70
71        # just for the heck of it, try to remove the base build directory:
72        # we might have emptied it right now, but if not we don't care
73        if not self.dry_run:
74            try:
75                os.rmdir(self.build_base)
76                log.info("removing '%s'", self.build_base)
77            except OSError:
78                pass
79
80# class clean
81