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#
# Copyright (C) 2017 The Android Open Source Project
#
# 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.
#
"""Extracts values from the AndroidManifest.xml file."""
from __future__ import print_function
import argparse
import os.path
import xml.etree.ElementTree
def parse_args():
"""Parse and return command line arguments."""
parser = argparse.ArgumentParser()
parser.add_argument(
'property', metavar='PROPERTY',
choices=('minSdkVersion', 'debuggable'),
help='Property to extract from the manifest file.')
parser.add_argument(
'manifest_file', metavar='MANIFEST_FILE', type=os.path.abspath,
help='Path to the AndroidManifest.xml file.')
return parser.parse_args()
def get_rpath_attribute(root, element_path, attribute, default=None):
"""Returns the value of an attribute at an rpath.
If more than one element exists with the same name, only the first is
checked.
Args:
root: The XML element to search from.
path: The path to the element.
attribute: The name of the attribute to fetch.
Returns:
The attribute's value as a string if found, else the value of
`default`.
"""
ns_url = 'http://schemas.android.com/apk/res/android'
ns = {
'android': ns_url,
}
elem = root.find(element_path, ns)
if elem is None:
return ''
# ElementTree elements don't have the same helpful namespace parameter that
# the find family does :(
attrib_name = attribute.replace('android:', '{' + ns_url + '}')
return elem.get(attrib_name, default)
def get_minsdkversion(root):
"""Finds and returns the value of android:minSdkVersion in the manifest.
Returns:
String form of android:minSdkVersion if found, else the empty string.
"""
return get_rpath_attribute(root, './uses-sdk', 'android:minSdkVersion', '')
def get_debuggable(root):
"""Finds and returns the value of android:debuggable in the manifest.
Returns:
String form of android:debuggable if found, else the empty string.
"""
debuggable = get_rpath_attribute(
root, './application', 'android:debuggable', '')
# Though any such manifest would be invalid, the awk script rewrote bogus
# values to false. Missing attributes should also be false.
if debuggable != 'true':
debuggable = 'false'
return debuggable
def main():
args = parse_args()
tree = xml.etree.ElementTree.parse(args.manifest_file)
if args.property == 'minSdkVersion':
print(get_minsdkversion(tree.getroot()))
elif args.property == 'debuggable':
print(get_debuggable(tree.getroot()))
else:
raise ValueError
if __name__ == '__main__':
main()
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