mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
421 lines
15 KiB
Python
Executable File
421 lines
15 KiB
Python
Executable File
#!/usr/bin/env python
|
|
#
|
|
# Copyright (c) 2012 The Chromium Authors. All rights reserved.
|
|
# Use of this source code is governed by a BSD-style license that can be
|
|
# found in the LICENSE file.
|
|
|
|
"""Process Android resources to generate R.java, and prepare for packaging.
|
|
|
|
This will crunch images and generate v14 compatible resources
|
|
(see generate_v14_compatible_resources.py).
|
|
"""
|
|
|
|
import codecs
|
|
import optparse
|
|
import os
|
|
import re
|
|
import shutil
|
|
import sys
|
|
import zipfile
|
|
|
|
import generate_v14_compatible_resources
|
|
|
|
from util import build_utils
|
|
|
|
# Import jinja2 from third_party/jinja2
|
|
sys.path.insert(1,
|
|
os.path.join(os.path.dirname(__file__), '../../../third_party'))
|
|
from jinja2 import Template # pylint: disable=F0401
|
|
|
|
|
|
def ParseArgs(args):
|
|
"""Parses command line options.
|
|
|
|
Returns:
|
|
An options object as from optparse.OptionsParser.parse_args()
|
|
"""
|
|
parser = optparse.OptionParser()
|
|
build_utils.AddDepfileOption(parser)
|
|
|
|
parser.add_option('--android-sdk', help='path to the Android SDK folder')
|
|
parser.add_option('--aapt-path',
|
|
help='path to the Android aapt tool')
|
|
parser.add_option('--non-constant-id', action='store_true')
|
|
|
|
parser.add_option('--android-manifest', help='AndroidManifest.xml path')
|
|
parser.add_option('--custom-package', help='Java package for R.java')
|
|
parser.add_option(
|
|
'--shared-resources',
|
|
action='store_true',
|
|
help='Make a resource package that can be loaded by a different'
|
|
'application at runtime to access the package\'s resources.')
|
|
|
|
parser.add_option('--resource-dirs',
|
|
help='Directories containing resources of this target.')
|
|
parser.add_option('--dependencies-res-zips',
|
|
help='Resources from dependents.')
|
|
|
|
parser.add_option('--resource-zip-out',
|
|
help='Path for output zipped resources.')
|
|
|
|
parser.add_option('--R-dir',
|
|
help='directory to hold generated R.java.')
|
|
parser.add_option('--srcjar-out',
|
|
help='Path to srcjar to contain generated R.java.')
|
|
parser.add_option('--r-text-out',
|
|
help='Path to store the R.txt file generated by appt.')
|
|
|
|
parser.add_option('--proguard-file',
|
|
help='Path to proguard.txt generated file')
|
|
|
|
parser.add_option(
|
|
'--v14-skip',
|
|
action="store_true",
|
|
help='Do not generate nor verify v14 resources')
|
|
|
|
parser.add_option(
|
|
'--extra-res-packages',
|
|
help='Additional package names to generate R.java files for')
|
|
parser.add_option(
|
|
'--extra-r-text-files',
|
|
help='For each additional package, the R.txt file should contain a '
|
|
'list of resources to be included in the R.java file in the format '
|
|
'generated by aapt')
|
|
parser.add_option(
|
|
'--include-all-resources',
|
|
action='store_true',
|
|
help='Include every resource ID in every generated R.java file '
|
|
'(ignoring R.txt).')
|
|
|
|
parser.add_option(
|
|
'--all-resources-zip-out',
|
|
help='Path for output of all resources. This includes resources in '
|
|
'dependencies.')
|
|
|
|
parser.add_option('--stamp', help='File to touch on success')
|
|
|
|
(options, args) = parser.parse_args(args)
|
|
|
|
if args:
|
|
parser.error('No positional arguments should be given.')
|
|
|
|
# Check that required options have been provided.
|
|
required_options = (
|
|
'android_sdk',
|
|
'aapt_path',
|
|
'android_manifest',
|
|
'dependencies_res_zips',
|
|
'resource_dirs',
|
|
'resource_zip_out',
|
|
)
|
|
build_utils.CheckOptions(options, parser, required=required_options)
|
|
|
|
if (options.R_dir is None) == (options.srcjar_out is None):
|
|
raise Exception('Exactly one of --R-dir or --srcjar-out must be specified.')
|
|
|
|
return options
|
|
|
|
|
|
def CreateExtraRJavaFiles(
|
|
r_dir, extra_packages, extra_r_text_files, shared_resources, include_all):
|
|
if include_all:
|
|
java_files = build_utils.FindInDirectory(r_dir, "R.java")
|
|
if len(java_files) != 1:
|
|
return
|
|
r_java_file = java_files[0]
|
|
r_java_contents = codecs.open(r_java_file, encoding='utf-8').read()
|
|
|
|
for package in extra_packages:
|
|
package_r_java_dir = os.path.join(r_dir, *package.split('.'))
|
|
build_utils.MakeDirectory(package_r_java_dir)
|
|
package_r_java_path = os.path.join(package_r_java_dir, 'R.java')
|
|
new_r_java = re.sub(r'package [.\w]*;', u'package %s;' % package,
|
|
r_java_contents)
|
|
codecs.open(package_r_java_path, 'w', encoding='utf-8').write(new_r_java)
|
|
else:
|
|
if len(extra_packages) != len(extra_r_text_files):
|
|
raise Exception('Need one R.txt file per extra package')
|
|
|
|
all_resources = {}
|
|
r_txt_file = os.path.join(r_dir, 'R.txt')
|
|
if not os.path.exists(r_txt_file):
|
|
return
|
|
with open(r_txt_file) as f:
|
|
for line in f:
|
|
m = re.match(r'(int(?:\[\])?) (\w+) (\w+) (.+)$', line)
|
|
if not m:
|
|
raise Exception('Unexpected line in R.txt: %s' % line)
|
|
java_type, resource_type, name, value = m.groups()
|
|
all_resources[(resource_type, name)] = (java_type, value)
|
|
|
|
for package, r_text_file in zip(extra_packages, extra_r_text_files):
|
|
if os.path.exists(r_text_file):
|
|
package_r_java_dir = os.path.join(r_dir, *package.split('.'))
|
|
build_utils.MakeDirectory(package_r_java_dir)
|
|
package_r_java_path = os.path.join(package_r_java_dir, 'R.java')
|
|
CreateExtraRJavaFile(
|
|
package, package_r_java_path, r_text_file, all_resources,
|
|
shared_resources)
|
|
|
|
|
|
def CreateExtraRJavaFile(
|
|
package, r_java_path, r_text_file, all_resources, shared_resources):
|
|
resources = {}
|
|
with open(r_text_file) as f:
|
|
for line in f:
|
|
m = re.match(r'int(?:\[\])? (\w+) (\w+) ', line)
|
|
if not m:
|
|
raise Exception('Unexpected line in R.txt: %s' % line)
|
|
resource_type, name = m.groups()
|
|
java_type, value = all_resources[(resource_type, name)]
|
|
if resource_type not in resources:
|
|
resources[resource_type] = []
|
|
resources[resource_type].append((name, java_type, value))
|
|
|
|
template = Template("""/* AUTO-GENERATED FILE. DO NOT MODIFY. */
|
|
|
|
package {{ package }};
|
|
|
|
public final class R {
|
|
{% for resource_type in resources %}
|
|
public static final class {{ resource_type }} {
|
|
{% for name, java_type, value in resources[resource_type] %}
|
|
{% if shared_resources %}
|
|
public static {{ java_type }} {{ name }} = {{ value }};
|
|
{% else %}
|
|
public static final {{ java_type }} {{ name }} = {{ value }};
|
|
{% endif %}
|
|
{% endfor %}
|
|
}
|
|
{% endfor %}
|
|
{% if shared_resources %}
|
|
public static void onResourcesLoaded(int packageId) {
|
|
{% for resource_type in resources %}
|
|
{% for name, java_type, value in resources[resource_type] %}
|
|
{% if java_type == 'int[]' %}
|
|
for(int i = 0; i < {{ resource_type }}.{{ name }}.length; ++i) {
|
|
{{ resource_type }}.{{ name }}[i] =
|
|
({{ resource_type }}.{{ name }}[i] & 0x00ffffff)
|
|
| (packageId << 24);
|
|
}
|
|
{% else %}
|
|
{{ resource_type }}.{{ name }} =
|
|
({{ resource_type }}.{{ name }} & 0x00ffffff)
|
|
| (packageId << 24);
|
|
{% endif %}
|
|
{% endfor %}
|
|
{% endfor %}
|
|
}
|
|
{% endif %}
|
|
}
|
|
""", trim_blocks=True, lstrip_blocks=True)
|
|
|
|
output = template.render(package=package, resources=resources,
|
|
shared_resources=shared_resources)
|
|
with open(r_java_path, 'w') as f:
|
|
f.write(output)
|
|
|
|
|
|
def CrunchDirectory(aapt, input_dir, output_dir):
|
|
"""Crunches the images in input_dir and its subdirectories into output_dir.
|
|
|
|
If an image is already optimized, crunching often increases image size. In
|
|
this case, the crunched image is overwritten with the original image.
|
|
"""
|
|
aapt_cmd = [aapt,
|
|
'crunch',
|
|
'-C', output_dir,
|
|
'-S', input_dir,
|
|
'--ignore-assets', build_utils.AAPT_IGNORE_PATTERN]
|
|
build_utils.CheckOutput(aapt_cmd, stderr_filter=FilterCrunchStderr,
|
|
fail_func=DidCrunchFail)
|
|
|
|
# Check for images whose size increased during crunching and replace them
|
|
# with their originals (except for 9-patches, which must be crunched).
|
|
for dir_, _, files in os.walk(output_dir):
|
|
for crunched in files:
|
|
if crunched.endswith('.9.png'):
|
|
continue
|
|
if not crunched.endswith('.png'):
|
|
raise Exception('Unexpected file in crunched dir: ' + crunched)
|
|
crunched = os.path.join(dir_, crunched)
|
|
original = os.path.join(input_dir, os.path.relpath(crunched, output_dir))
|
|
original_size = os.path.getsize(original)
|
|
crunched_size = os.path.getsize(crunched)
|
|
if original_size < crunched_size:
|
|
shutil.copyfile(original, crunched)
|
|
|
|
|
|
def FilterCrunchStderr(stderr):
|
|
"""Filters out lines from aapt crunch's stderr that can safely be ignored."""
|
|
filtered_lines = []
|
|
for line in stderr.splitlines(True):
|
|
# Ignore this libpng warning, which is a known non-error condition.
|
|
# http://crbug.com/364355
|
|
if ('libpng warning: iCCP: Not recognizing known sRGB profile that has '
|
|
+ 'been edited' in line):
|
|
continue
|
|
filtered_lines.append(line)
|
|
return ''.join(filtered_lines)
|
|
|
|
|
|
def DidCrunchFail(returncode, stderr):
|
|
"""Determines whether aapt crunch failed from its return code and output.
|
|
|
|
Because aapt's return code cannot be trusted, any output to stderr is
|
|
an indication that aapt has failed (http://crbug.com/314885).
|
|
"""
|
|
return returncode != 0 or stderr
|
|
|
|
|
|
def ZipResources(resource_dirs, zip_path):
|
|
# Python zipfile does not provide a way to replace a file (it just writes
|
|
# another file with the same name). So, first collect all the files to put
|
|
# in the zip (with proper overriding), and then zip them.
|
|
files_to_zip = dict()
|
|
for d in resource_dirs:
|
|
for root, _, files in os.walk(d):
|
|
for f in files:
|
|
archive_path = os.path.join(os.path.relpath(root, d), f)
|
|
path = os.path.join(root, f)
|
|
files_to_zip[archive_path] = path
|
|
with zipfile.ZipFile(zip_path, 'w') as outzip:
|
|
for archive_path, path in files_to_zip.iteritems():
|
|
outzip.write(path, archive_path)
|
|
|
|
|
|
def CombineZips(zip_files, output_path):
|
|
# When packaging resources, if the top-level directories in the zip file are
|
|
# of the form 0, 1, ..., then each subdirectory will be passed to aapt as a
|
|
# resources directory. While some resources just clobber others (image files,
|
|
# etc), other resources (particularly .xml files) need to be more
|
|
# intelligently merged. That merging is left up to aapt.
|
|
with zipfile.ZipFile(output_path, 'w') as outzip:
|
|
for i, z in enumerate(zip_files):
|
|
with zipfile.ZipFile(z, 'r') as inzip:
|
|
for name in inzip.namelist():
|
|
new_name = '%d/%s' % (i, name)
|
|
outzip.writestr(new_name, inzip.read(name))
|
|
|
|
|
|
def main():
|
|
args = build_utils.ExpandFileArgs(sys.argv[1:])
|
|
|
|
options = ParseArgs(args)
|
|
android_jar = os.path.join(options.android_sdk, 'android.jar')
|
|
aapt = options.aapt_path
|
|
|
|
input_files = []
|
|
|
|
with build_utils.TempDir() as temp_dir:
|
|
deps_dir = os.path.join(temp_dir, 'deps')
|
|
build_utils.MakeDirectory(deps_dir)
|
|
v14_dir = os.path.join(temp_dir, 'v14')
|
|
build_utils.MakeDirectory(v14_dir)
|
|
|
|
gen_dir = os.path.join(temp_dir, 'gen')
|
|
build_utils.MakeDirectory(gen_dir)
|
|
|
|
input_resource_dirs = build_utils.ParseGypList(options.resource_dirs)
|
|
|
|
if not options.v14_skip:
|
|
for resource_dir in input_resource_dirs:
|
|
generate_v14_compatible_resources.GenerateV14Resources(
|
|
resource_dir,
|
|
v14_dir)
|
|
|
|
dep_zips = build_utils.ParseGypList(options.dependencies_res_zips)
|
|
input_files += dep_zips
|
|
dep_subdirs = []
|
|
for z in dep_zips:
|
|
subdir = os.path.join(deps_dir, os.path.basename(z))
|
|
if os.path.exists(subdir):
|
|
raise Exception('Resource zip name conflict: ' + os.path.basename(z))
|
|
build_utils.ExtractAll(z, path=subdir)
|
|
dep_subdirs.append(subdir)
|
|
|
|
# Generate R.java. This R.java contains non-final constants and is used only
|
|
# while compiling the library jar (e.g. chromium_content.jar). When building
|
|
# an apk, a new R.java file with the correct resource -> ID mappings will be
|
|
# generated by merging the resources from all libraries and the main apk
|
|
# project.
|
|
package_command = [aapt,
|
|
'package',
|
|
'-m',
|
|
'-M', options.android_manifest,
|
|
'--auto-add-overlay',
|
|
'-I', android_jar,
|
|
'--output-text-symbols', gen_dir,
|
|
'-J', gen_dir,
|
|
'--ignore-assets', build_utils.AAPT_IGNORE_PATTERN]
|
|
|
|
for d in input_resource_dirs:
|
|
package_command += ['-S', d]
|
|
|
|
for d in dep_subdirs:
|
|
package_command += ['-S', d]
|
|
|
|
if options.non_constant_id:
|
|
package_command.append('--non-constant-id')
|
|
if options.custom_package:
|
|
package_command += ['--custom-package', options.custom_package]
|
|
if options.proguard_file:
|
|
package_command += ['-G', options.proguard_file]
|
|
if options.shared_resources:
|
|
package_command.append('--shared-lib')
|
|
build_utils.CheckOutput(package_command, print_stderr=False)
|
|
|
|
if options.extra_res_packages:
|
|
CreateExtraRJavaFiles(
|
|
gen_dir,
|
|
build_utils.ParseGypList(options.extra_res_packages),
|
|
build_utils.ParseGypList(options.extra_r_text_files),
|
|
options.shared_resources,
|
|
options.include_all_resources)
|
|
|
|
# This is the list of directories with resources to put in the final .zip
|
|
# file. The order of these is important so that crunched/v14 resources
|
|
# override the normal ones.
|
|
zip_resource_dirs = input_resource_dirs + [v14_dir]
|
|
|
|
base_crunch_dir = os.path.join(temp_dir, 'crunch')
|
|
|
|
# Crunch image resources. This shrinks png files and is necessary for
|
|
# 9-patch images to display correctly. 'aapt crunch' accepts only a single
|
|
# directory at a time and deletes everything in the output directory.
|
|
for idx, input_dir in enumerate(input_resource_dirs):
|
|
crunch_dir = os.path.join(base_crunch_dir, str(idx))
|
|
build_utils.MakeDirectory(crunch_dir)
|
|
zip_resource_dirs.append(crunch_dir)
|
|
CrunchDirectory(aapt, input_dir, crunch_dir)
|
|
|
|
ZipResources(zip_resource_dirs, options.resource_zip_out)
|
|
|
|
if options.all_resources_zip_out:
|
|
CombineZips([options.resource_zip_out] + dep_zips,
|
|
options.all_resources_zip_out)
|
|
|
|
if options.R_dir:
|
|
build_utils.DeleteDirectory(options.R_dir)
|
|
shutil.copytree(gen_dir, options.R_dir)
|
|
else:
|
|
build_utils.ZipDir(options.srcjar_out, gen_dir)
|
|
|
|
if options.r_text_out:
|
|
r_text_path = os.path.join(gen_dir, 'R.txt')
|
|
if os.path.exists(r_text_path):
|
|
shutil.copyfile(r_text_path, options.r_text_out)
|
|
else:
|
|
open(options.r_text_out, 'w').close()
|
|
|
|
if options.depfile:
|
|
input_files += build_utils.GetPythonDependencies()
|
|
build_utils.WriteDepfile(options.depfile, input_files)
|
|
|
|
if options.stamp:
|
|
build_utils.Touch(options.stamp)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|