'Return filenames for package\'s data files in \'src_dir\''

def find_data_files(self, package, src_dir):

    globs = (self.package_data.get('', []) + self.package_data.get(package, []))
    files = self.manifest_files.get(package, [])[:]
    for pattern in globs:
        files.extend(glob(os.path.join(src_dir, convert_path(pattern))))
    return self.exclude_data_files(package, src_dir, files)
