chromium-src-build/android/gyp/lint.py

322 строки
12 KiB
Python
Executable File

#!/usr/bin/env python
#
# Copyright (c) 2013 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.
"""Runs Android's lint tool."""
import argparse
import os
import re
import sys
import traceback
from xml.dom import minidom
from util import build_utils
_LINT_MD_URL = 'https://chromium.googlesource.com/chromium/src/+/master/build/android/docs/lint.md' # pylint: disable=line-too-long
_SRC_ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__),
'..', '..', '..'))
def _OnStaleMd5(lint_path, config_path, processed_config_path,
manifest_path, result_path, product_dir, sources, jar_path,
cache_dir, android_sdk_version, resource_dir=None,
classpath=None, can_fail_build=False, silent=False):
def _RelativizePath(path):
"""Returns relative path to top-level src dir.
Args:
path: A path relative to cwd.
"""
return os.path.relpath(os.path.abspath(path), _SRC_ROOT)
def _ProcessConfigFile():
if not config_path or not processed_config_path:
return
if not build_utils.IsTimeStale(processed_config_path, [config_path]):
return
with open(config_path, 'rb') as f:
content = f.read().replace(
'PRODUCT_DIR', _RelativizePath(product_dir))
with open(processed_config_path, 'wb') as f:
f.write(content)
def _ProcessResultFile():
with open(result_path, 'rb') as f:
content = f.read().replace(
_RelativizePath(product_dir), 'PRODUCT_DIR')
with open(result_path, 'wb') as f:
f.write(content)
def _ParseAndShowResultFile():
dom = minidom.parse(result_path)
issues = dom.getElementsByTagName('issue')
if not silent:
print >> sys.stderr
for issue in issues:
issue_id = issue.attributes['id'].value
message = issue.attributes['message'].value
location_elem = issue.getElementsByTagName('location')[0]
path = location_elem.attributes['file'].value
line = location_elem.getAttribute('line')
if line:
error = '%s:%s %s: %s [warning]' % (path, line, message, issue_id)
else:
# Issues in class files don't have a line number.
error = '%s %s: %s [warning]' % (path, message, issue_id)
print >> sys.stderr, error.encode('utf-8')
for attr in ['errorLine1', 'errorLine2']:
error_line = issue.getAttribute(attr)
if error_line:
print >> sys.stderr, error_line.encode('utf-8')
return len(issues)
with build_utils.TempDir() as temp_dir:
_ProcessConfigFile()
cmd = [
_RelativizePath(lint_path), '-Werror', '--exitcode', '--showall',
'--xml', _RelativizePath(result_path),
]
if jar_path:
# --classpath is just for .class files for this one target.
cmd.extend(['--classpath', _RelativizePath(jar_path)])
if processed_config_path:
cmd.extend(['--config', _RelativizePath(processed_config_path)])
if resource_dir:
cmd.extend(['--resources', _RelativizePath(resource_dir)])
if classpath:
# --libraries is the classpath (excluding active target).
cp = ':'.join(_RelativizePath(p) for p in classpath)
cmd.extend(['--libraries', cp])
# There may be multiple source files with the same basename (but in
# different directories). It is difficult to determine what part of the path
# corresponds to the java package, and so instead just link the source files
# into temporary directories (creating a new one whenever there is a name
# conflict).
src_dirs = []
def NewSourceDir():
new_dir = os.path.join(temp_dir, str(len(src_dirs)))
os.mkdir(new_dir)
src_dirs.append(new_dir)
return new_dir
def PathInDir(d, src):
return os.path.join(d, os.path.basename(src))
for src in sources:
src_dir = None
for d in src_dirs:
if not os.path.exists(PathInDir(d, src)):
src_dir = d
break
if not src_dir:
src_dir = NewSourceDir()
cmd.extend(['--sources', _RelativizePath(src_dir)])
os.symlink(os.path.abspath(src), PathInDir(src_dir, src))
project_dir = NewSourceDir()
if android_sdk_version:
# Create dummy project.properies file in a temporary "project" directory.
# It is the only way to add Android SDK to the Lint's classpath. Proper
# classpath is necessary for most source-level checks.
with open(os.path.join(project_dir, 'project.properties'), 'w') \
as propfile:
print >> propfile, 'target=android-{}'.format(android_sdk_version)
# Put the manifest in a temporary directory in order to avoid lint detecting
# sibling res/ and src/ directories (which should be pass explicitly if they
# are to be included).
if manifest_path:
os.symlink(os.path.abspath(manifest_path),
PathInDir(project_dir, manifest_path))
cmd.append(project_dir)
if os.path.exists(result_path):
os.remove(result_path)
env = {}
stderr_filter = None
if cache_dir:
env['_JAVA_OPTIONS'] = '-Duser.home=%s' % _RelativizePath(cache_dir)
# When _JAVA_OPTIONS is set, java prints to stderr:
# Picked up _JAVA_OPTIONS: ...
#
# We drop all lines that contain _JAVA_OPTIONS from the output
stderr_filter = lambda l: re.sub(r'.*_JAVA_OPTIONS.*\n?', '', l)
try:
build_utils.CheckOutput(cmd, cwd=_SRC_ROOT, env=env or None,
stderr_filter=stderr_filter)
except build_utils.CalledProcessError:
# There is a problem with lint usage
if not os.path.exists(result_path):
raise
# Sometimes produces empty (almost) files:
if os.path.getsize(result_path) < 10:
if can_fail_build:
raise
elif not silent:
traceback.print_exc()
return
# There are actual lint issues
try:
num_issues = _ParseAndShowResultFile()
except Exception: # pylint: disable=broad-except
if not silent:
print 'Lint created unparseable xml file...'
print 'File contents:'
with open(result_path) as f:
print f.read()
if not can_fail_build:
return
if can_fail_build and not silent:
traceback.print_exc()
# There are actual lint issues
try:
num_issues = _ParseAndShowResultFile()
except Exception: # pylint: disable=broad-except
if not silent:
print 'Lint created unparseable xml file...'
print 'File contents:'
with open(result_path) as f:
print f.read()
raise
_ProcessResultFile()
msg = ('\nLint found %d new issues.\n'
' - For full explanation, please refer to %s\n'
' - For more information about lint and how to fix lint issues,'
' please refer to %s\n' %
(num_issues,
_RelativizePath(result_path),
_LINT_MD_URL))
if not silent:
print >> sys.stderr, msg
if can_fail_build:
raise Exception('Lint failed.')
def main():
parser = argparse.ArgumentParser()
build_utils.AddDepfileOption(parser)
parser.add_argument('--lint-path', required=True,
help='Path to lint executable.')
parser.add_argument('--product-dir', required=True,
help='Path to product dir.')
parser.add_argument('--result-path', required=True,
help='Path to XML lint result file.')
parser.add_argument('--cache-dir', required=True,
help='Path to the directory in which the android cache '
'directory tree should be stored.')
parser.add_argument('--platform-xml-path', required=True,
help='Path to api-platforms.xml')
parser.add_argument('--android-sdk-version',
help='Version (API level) of the Android SDK used for '
'building.')
parser.add_argument('--create-cache', action='store_true',
help='Mark the lint cache file as an output rather than '
'an input.')
parser.add_argument('--can-fail-build', action='store_true',
help='If set, script will exit with nonzero exit status'
' if lint errors are present')
parser.add_argument('--config-path',
help='Path to lint suppressions file.')
parser.add_argument('--enable', action='store_true',
help='Run lint instead of just touching stamp.')
parser.add_argument('--jar-path',
help='Jar file containing class files.')
parser.add_argument('--java-files',
help='Paths to java files.')
parser.add_argument('--manifest-path',
help='Path to AndroidManifest.xml')
parser.add_argument('--classpath', default=[], action='append',
help='GYP-list of classpath .jar files')
parser.add_argument('--processed-config-path',
help='Path to processed lint suppressions file.')
parser.add_argument('--resource-dir',
help='Path to resource dir.')
parser.add_argument('--silent', action='store_true',
help='If set, script will not log anything.')
parser.add_argument('--src-dirs',
help='Directories containing java files.')
parser.add_argument('--stamp',
help='Path to touch on success.')
args = parser.parse_args(build_utils.ExpandFileArgs(sys.argv[1:]))
if args.enable:
sources = []
if args.src_dirs:
src_dirs = build_utils.ParseGypList(args.src_dirs)
sources = build_utils.FindInDirectories(src_dirs, '*.java')
elif args.java_files:
sources = build_utils.ParseGypList(args.java_files)
if args.config_path and not args.processed_config_path:
parser.error('--config-path specified without --processed-config-path')
elif args.processed_config_path and not args.config_path:
parser.error('--processed-config-path specified without --config-path')
input_paths = [
args.lint_path,
args.platform_xml_path,
]
if args.config_path:
input_paths.append(args.config_path)
if args.jar_path:
input_paths.append(args.jar_path)
if args.manifest_path:
input_paths.append(args.manifest_path)
if args.resource_dir:
input_paths.extend(build_utils.FindInDirectory(args.resource_dir, '*'))
if sources:
input_paths.extend(sources)
classpath = []
for gyp_list in args.classpath:
classpath.extend(build_utils.ParseGypList(gyp_list))
input_paths.extend(classpath)
input_strings = []
if args.android_sdk_version:
input_strings.append(args.android_sdk_version)
if args.processed_config_path:
input_strings.append(args.processed_config_path)
output_paths = [ args.result_path ]
build_utils.CallAndWriteDepfileIfStale(
lambda: _OnStaleMd5(args.lint_path,
args.config_path,
args.processed_config_path,
args.manifest_path, args.result_path,
args.product_dir, sources,
args.jar_path,
args.cache_dir,
args.android_sdk_version,
resource_dir=args.resource_dir,
classpath=classpath,
can_fail_build=args.can_fail_build,
silent=args.silent),
args,
input_paths=input_paths,
input_strings=input_strings,
output_paths=output_paths,
depfile_deps=classpath)
if __name__ == '__main__':
sys.exit(main())