install_data.py 文件源码

def run(self):
        self.mkpath(self.install_dir)
        for f in self.data_files:
            if isinstance(f, str):
                # it's a simple file, so copy it
                f = convert_path(f)
                if self.warn_dir:
                    self.warn("setup script did not provide a directory for "
                              "'%s' -- installing right in '%s'" %
                              (f, self.install_dir))
                (out, _) = self.copy_file(f, self.install_dir)
                self.outfiles.append(out)
            else:
                # it's a tuple with path to install to and a list of files
                dir = convert_path(f[0])
                if not os.path.isabs(dir):
                    dir = os.path.join(self.install_dir, dir)
                elif self.root:
                    dir = change_root(self.root, dir)
                self.mkpath(dir)

                if f[1] == []:
                    # If there are no files listed, the user must be
                    # trying to create an empty directory, so add the
                    # directory to the list of output files.
                    self.outfiles.append(dir)
                else:
                    # Copy files, adding them to the list of output files.
                    for data in f[1]:
                        data = convert_path(data)
                        (out, _) = self.copy_file(data, dir)
                        self.outfiles.append(out)