91 lines
3.0 KiB
Python
91 lines
3.0 KiB
Python
# Licensed to the Software Freedom Conservancy (SFC) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The SFC licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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import json
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import logging
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import os
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import tempfile
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import zipfile
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LOGGER = logging.getLogger(__name__)
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def format_json(json_struct):
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return json.dumps(json_struct, indent=4)
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def dump_json(json_struct):
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return json.dumps(json_struct)
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def load_json(s):
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return json.loads(s)
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def unzip_to_temp_dir(zip_file_name):
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"""Unzip zipfile to a temporary directory.
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The directory of the unzipped files is returned if success,
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otherwise None is returned. """
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if not zip_file_name or not os.path.exists(zip_file_name):
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return None
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zf = zipfile.ZipFile(zip_file_name)
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if zf.testzip() is not None:
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return None
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# Unzip the files into a temporary directory
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LOGGER.info("Extracting zipped file: %s" % zip_file_name)
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tempdir = tempfile.mkdtemp()
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try:
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# Create directories that don't exist
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for zip_name in zf.namelist():
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# We have no knowledge on the os where the zipped file was
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# created, so we restrict to zip files with paths without
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# charactor "\" and "/".
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name = (zip_name.replace("\\", os.path.sep).
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replace("/", os.path.sep))
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dest = os.path.join(tempdir, name)
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if (name.endswith(os.path.sep) and not os.path.exists(dest)):
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os.mkdir(dest)
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LOGGER.debug("Directory %s created." % dest)
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# Copy files
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for zip_name in zf.namelist():
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# We have no knowledge on the os where the zipped file was
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# created, so we restrict to zip files with paths without
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# charactor "\" and "/".
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name = (zip_name.replace("\\", os.path.sep).
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replace("/", os.path.sep))
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dest = os.path.join(tempdir, name)
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if not (name.endswith(os.path.sep)):
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LOGGER.debug("Copying file %s......" % dest)
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outfile = open(dest, 'wb')
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outfile.write(zf.read(zip_name))
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outfile.close()
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LOGGER.debug("File %s copied." % dest)
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LOGGER.info("Unzipped file can be found at %s" % tempdir)
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return tempdir
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except IOError as err:
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LOGGER.error("Error in extracting webdriver.xpi: %s" % err)
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return None
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