1# Copyright 2010 Google Inc. All Rights Reserved.
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#      http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15import os
16import sys
17
18try:
19    __file__
20except NameError:
21    __file__ = sys.argv[0]
22third_party_dir = os.path.dirname(os.path.abspath(__file__))
23ipaddr_dir = os.path.join(third_party_dir, "ipaddr")
24sys.path.append(ipaddr_dir)  # workaround for no __init__.py
25import ipaddr
26
27# Modules in dns/ import sibling modules by "import dns/xxx", but
28# some platform has dns/ in global site-packages directory so we need to raise
29# the precedence of local search path (crbug/493869).
30# The implementation here preloads all dns/ modules into this package so clients
31# don't need to worry about import path issue.
32# An easier solution might be modify dns/ modules to use relative path, but I
33# tried not to touch third_party lib for now.
34sys.path.insert(0, third_party_dir)
35from dns import __all__ as all_dns_modules
36all_dns_modules = ['dns.' + m for m in  all_dns_modules]
37map(__import__, all_dns_modules)
38sys.path.pop(0)
39