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
8import os
9from distutils.core import Command
10from distutils.util import change_root, convert_path
11
12class install_data(Command):
13
14    description = "install data files"
15
16    user_options = [
17        ('install-dir=', 'd',
18         "base directory for installing data files "
19         "(default: installation base dir)"),
20        ('root=', None,
21         "install everything relative to this alternate root directory"),
22        ('force', 'f', "force installation (overwrite existing files)"),
23        ]
24
25    boolean_options = ['force']
26
27    def initialize_options(self):
28        self.install_dir = None
29        self.outfiles = []
30        self.root = None
31        self.force = 0
32        self.data_files = self.distribution.data_files
33        self.warn_dir = 1
34
35    def finalize_options(self):
36        self.set_undefined_options('install',
37                                   ('install_data', 'install_dir'),
38                                   ('root', 'root'),
39                                   ('force', 'force'),
40                                  )
41
42    def run(self):
43        self.mkpath(self.install_dir)
44        for f in self.data_files:
45            if isinstance(f, str):
46                # it's a simple file, so copy it
47                f = convert_path(f)
48                if self.warn_dir:
49                    self.warn("setup script did not provide a directory for "
50                              "'%s' -- installing right in '%s'" %
51                              (f, self.install_dir))
52                (out, _) = self.copy_file(f, self.install_dir)
53                self.outfiles.append(out)
54            else:
55                # it's a tuple with path to install to and a list of files
56                dir = convert_path(f[0])
57                if not os.path.isabs(dir):
58                    dir = os.path.join(self.install_dir, dir)
59                elif self.root:
60                    dir = change_root(self.root, dir)
61                self.mkpath(dir)
62
63                if f[1] == []:
64                    # If there are no files listed, the user must be
65                    # trying to create an empty directory, so add the
66                    # directory to the list of output files.
67                    self.outfiles.append(dir)
68                else:
69                    # Copy files, adding them to the list of output files.
70                    for data in f[1]:
71                        data = convert_path(data)
72                        (out, _) = self.copy_file(data, dir)
73                        self.outfiles.append(out)
74
75    def get_inputs(self):
76        return self.data_files or []
77
78    def get_outputs(self):
79        return self.outfiles
80