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# #######
# Copyright (c) 2017 GigaSpaces Technologies Ltd. All rights reserved
# Copyright (c) 2019 Pantheon.tech. All rights reserved
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Copied and updated for python3 from cloudify-python-importer
from __future__ import print_function
import sys
import imp
import os
try:
import builtins
except ImportError:
import __builtin__ as builtins
class _OurImporter(object):
def __init__(self, dir_name, load_file):
self.dirname = dir_name
self.load_file = load_file
def load_module(self, package_name):
try:
return sys.modules[package_name]
except KeyError:
pass
if self.load_file:
try:
fp, pathname, description = imp.find_module(
package_name.split(".")[-1],
["/".join(self.dirname.split("/")[:-1])]
)
m = imp.load_module(package_name, fp, pathname, description)
except ImportError as e:
raise e
else:
m = imp.new_module(package_name)
m.__name__ = package_name
m.__path__ = [self.dirname]
m.__doc__ = None
m.__loader__ = self
sys.modules.setdefault(package_name, m)
return m
class _OurFinder(object):
def __init__(self, dir_name):
self.dir_name = dir_name
def find_module(self, package_name):
real_path = "/".join(package_name.split("."))
for path in [self.dir_name] + sys.path:
full_name = os.path.abspath(path) + "/" + real_path
dir_root = os.path.abspath(path) + "/" + real_path.split("/")[0]
if os.path.isfile(path + "/" + real_path + ".py"):
return _OurImporter(full_name, True)
if os.path.isdir(full_name):
if not os.path.isfile(dir_root + "/" + "__init__.py"):
print('Creating __init__.py in', dir_root, file=sys.stderr)
with open(dir_root + "/" + "__init__.py", 'a+') as file:
file.write("# Created by importer")
return _OurImporter(dir_root, False)
return _OurImporter(full_name, True)
return None
def _check_import(dir_name):
return _OurFinder(dir_name)
def register_callback():
sys.path_hooks.append(_check_import)
save_import = builtins.__import__
def new_import(*argv, **kwargs):
try:
module = save_import(*argv, **kwargs)
except ImportError as e:
finder = _OurFinder("")
if not finder:
raise e
importer = finder.find_module(argv[0])
if not importer:
raise e
module = importer.load_module(argv[0])
if not module:
raise e
return module
builtins.__import__ = new_import
register_callback()
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