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/Lib/distutils/command/install_data.py

http://unladen-swallow.googlecode.com/
Python | 85 lines | 75 code | 3 blank | 7 comment | 7 complexity | 337a5fe9b25dc12dcd23b0b9eab046f8 MD5 | raw file
 1"""distutils.command.install_data
 2
 3Implements the Distutils 'install_data' command, for installing
 4platform-independent data files."""
 5
 6# contributed by Bastian Kleineidam
 7
 8# This module should be kept compatible with Python 2.1.
 9
10__revision__ = "$Id: install_data.py 37828 2004-11-10 22:23:15Z loewis $"
11
12import os
13from types import StringType
14from distutils.core import Command
15from distutils.util import change_root, convert_path
16
17class install_data (Command):
18
19    description = "install data files"
20
21    user_options = [
22        ('install-dir=', 'd',
23         "base directory for installing data files "
24         "(default: installation base dir)"),
25        ('root=', None,
26         "install everything relative to this alternate root directory"),
27        ('force', 'f', "force installation (overwrite existing files)"),
28        ]
29
30    boolean_options = ['force']
31
32    def initialize_options (self):
33        self.install_dir = None
34        self.outfiles = []
35        self.root = None
36        self.force = 0
37
38        self.data_files = self.distribution.data_files
39        self.warn_dir = 1
40
41    def finalize_options (self):
42        self.set_undefined_options('install',
43                                   ('install_data', 'install_dir'),
44                                   ('root', 'root'),
45                                   ('force', 'force'),
46                                  )
47
48    def run (self):
49        self.mkpath(self.install_dir)
50        for f in self.data_files:
51            if type(f) is StringType:
52                # it's a simple file, so copy it
53                f = convert_path(f)
54                if self.warn_dir:
55                    self.warn("setup script did not provide a directory for "
56                              "'%s' -- installing right in '%s'" %
57                              (f, self.install_dir))
58                (out, _) = self.copy_file(f, self.install_dir)
59                self.outfiles.append(out)
60            else:
61                # it's a tuple with path to install to and a list of files
62                dir = convert_path(f[0])
63                if not os.path.isabs(dir):
64                    dir = os.path.join(self.install_dir, dir)
65                elif self.root:
66                    dir = change_root(self.root, dir)
67                self.mkpath(dir)
68
69                if f[1] == []:
70                    # If there are no files listed, the user must be
71                    # trying to create an empty directory, so add the
72                    # directory to the list of output files.
73                    self.outfiles.append(dir)
74                else:
75                    # Copy files, adding them to the list of output files.
76                    for data in f[1]:
77                        data = convert_path(data)
78                        (out, _) = self.copy_file(data, dir)
79                        self.outfiles.append(out)
80
81    def get_inputs (self):
82        return self.data_files or []
83
84    def get_outputs (self):
85        return self.outfiles