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Text File  |  2014-12-12  |  3KB  |  80 lines
  1. """distutils.command.install_data
  2.  
  3. Implements the Distutils 'install_data' command, for installing
  4. platform-independent data files."""
  5.  
  6. # contributed by Bastian Kleineidam
  7.  
  8. import os
  9. from distutils.core import Command
  10. from distutils.util import change_root, convert_path
  11.  
  12. class 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.