118 lines
3.2 KiB
Python
Executable File
118 lines
3.2 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright (C) 2018 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# 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, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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"""A tool for inserting values from the build system into a manifest."""
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from __future__ import print_function
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from xml.dom import minidom
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android_ns = 'http://schemas.android.com/apk/res/android'
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def get_children_with_tag(parent, tag_name):
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children = []
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for child in parent.childNodes:
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if child.nodeType == minidom.Node.ELEMENT_NODE and \
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child.tagName == tag_name:
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children.append(child)
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return children
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def find_child_with_attribute(element, tag_name, namespace_uri,
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attr_name, value):
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for child in get_children_with_tag(element, tag_name):
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attr = child.getAttributeNodeNS(namespace_uri, attr_name)
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if attr is not None and attr.value == value:
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return child
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return None
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def parse_manifest(doc):
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"""Get the manifest element."""
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manifest = doc.documentElement
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if manifest.tagName != 'manifest':
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raise RuntimeError('expected manifest tag at root')
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return manifest
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def ensure_manifest_android_ns(doc):
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"""Make sure the manifest tag defines the android namespace."""
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manifest = parse_manifest(doc)
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ns = manifest.getAttributeNodeNS(minidom.XMLNS_NAMESPACE, 'android')
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if ns is None:
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attr = doc.createAttributeNS(minidom.XMLNS_NAMESPACE, 'xmlns:android')
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attr.value = android_ns
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manifest.setAttributeNode(attr)
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elif ns.value != android_ns:
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raise RuntimeError('manifest tag has incorrect android namespace ' +
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ns.value)
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def as_int(s):
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try:
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i = int(s)
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except ValueError:
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return s, False
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return i, True
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def compare_version_gt(a, b):
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"""Compare two SDK versions.
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Compares a and b, treating codenames like 'Q' as higher
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than numerical versions like '28'.
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Returns True if a > b
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Args:
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a: value to compare
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b: value to compare
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Returns:
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True if a is a higher version than b
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"""
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a, a_is_int = as_int(a.upper())
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b, b_is_int = as_int(b.upper())
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if a_is_int == b_is_int:
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# Both are codenames or both are versions, compare directly
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return a > b
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else:
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# One is a codename, the other is not. Return true if
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# b is an integer version
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return b_is_int
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def get_indent(element, default_level):
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indent = ''
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if element is not None and element.nodeType == minidom.Node.TEXT_NODE:
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text = element.nodeValue
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indent = text[:len(text)-len(text.lstrip())]
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if not indent or indent == '\n':
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# 1 indent = 4 space
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indent = '\n' + (' ' * default_level * 4)
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return indent
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def write_xml(f, doc):
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f.write('<?xml version="1.0" encoding="utf-8"?>\n')
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for node in doc.childNodes:
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f.write(node.toxml(encoding='utf-8') + '\n')
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