Source code for pykern.pkresource

# -*- coding: utf-8 -*-
u"""Where external resources are stored

:copyright: Copyright (c) 2015 Bivio Software, Inc.  All Rights Reserved.
from __future__ import absolute_import, division, print_function

# Root module: Import only builtin packages so avoid dependency issues
import errno
import inspect
import os.path
import pkg_resources
import re

from pykern import pkinspect
from pykern import pksetup

[docs]def filename(relative_filename, caller_context=None): """Return the filename to the resource Args: relative_filename (str): file name relative to package_data directory. caller_context (object): Any object from which to get the `root_package` Returns: str: absolute path of the resource file """ pkg = pkinspect.root_package( caller_context if caller_context else pkinspect.caller_module()) assert not os.path.isabs(relative_filename), \ 'must not be an absolute file name={}'.format(relative_filename) fn = os.path.join(pksetup.PACKAGE_DATA, relative_filename) res = pkg_resources.resource_filename(pkg, fn) if not os.path.exists(res): raise IOError((errno.ENOENT, 'resource does not exist', res)) return res