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Add custom config XML support for checkstyle

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Change-Id: If94dd073d7270d8fcdcf4f3041770712a193ce9e
This commit is contained in:
Maurice Lam
2016-03-15 12:21:16 -07:00
parent 8950c62362
commit d513a1723f
1 changed files with 14 additions and 9 deletions
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23
tools/checkstyle/checkstyle.py
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@@ -40,24 +40,25 @@ ERROR_UNCOMMITTED = 'You need to commit all modified files before running Checks
ERROR_UNTRACKED = 'You have untracked java files that are not being checked:\n'
def RunCheckstyleOnFiles(java_files):
def RunCheckstyleOnFiles(java_files, config_xml=CHECKSTYLE_STYLE):
"""Runs Checkstyle checks on a given set of java_files.
Args:
java_files: A list of files to check.
config_xml: Path of the checkstyle XML configuration file.
Returns:
A tuple of errors and warnings.
"""
print 'Running Checkstyle on inputted files'
java_files = map(os.path.abspath, java_files)
stdout = _ExecuteCheckstyle(java_files)
stdout = _ExecuteCheckstyle(java_files, config_xml)
(errors, warnings) = _ParseAndFilterOutput(stdout)
_PrintErrorsAndWarnings(errors, warnings)
return errors, warnings
def RunCheckstyleOnACommit(commit):
def RunCheckstyleOnACommit(commit, config_xml=CHECKSTYLE_STYLE):
"""Runs Checkstyle checks on a given commit.
It will run Checkstyle on the changed Java files in a specified commit SHA-1
@@ -66,6 +67,7 @@ def RunCheckstyleOnACommit(commit):
Args:
commit: A full 40 character SHA-1 of a commit to check.
config_xml: Path of the checkstyle XML configuration file.
Returns:
A tuple of errors and warnings.
@@ -83,7 +85,7 @@ def RunCheckstyleOnACommit(commit):
commit_modified_files.keys(), commit)
java_files = tmp_file_map.keys()
stdout = _ExecuteCheckstyle(java_files)
stdout = _ExecuteCheckstyle(java_files, config_xml)
# Remove all the temporary files.
shutil.rmtree(tmp_dir)
@@ -118,11 +120,12 @@ def _PrintErrorsAndWarnings(errors, warnings):
print '\n'.join(warnings)
def _ExecuteCheckstyle(java_files):
def _ExecuteCheckstyle(java_files, config_xml):
"""Runs Checkstyle to check give Java files for style errors.
Args:
java_files: A list of Java files that needs to be checked.
config_xml: Path of the checkstyle XML configuration file.
Returns:
Checkstyle output in XML format.
@@ -134,7 +137,7 @@ def _ExecuteCheckstyle(java_files):
check = subprocess.Popen(['java', '-cp',
CHECKSTYLE_JAR,
'com.puppycrawl.tools.checkstyle.Main', '-c',
CHECKSTYLE_STYLE, '-f', 'xml'] + java_files,
config_xml, '-f', 'xml'] + java_files,
stdout=subprocess.PIPE, env=checkstyle_env)
stdout, _ = check.communicate()
except OSError as e:
@@ -271,17 +274,19 @@ def main(args=None):
parser = argparse.ArgumentParser()
parser.add_argument('--file', '-f', nargs='+')
parser.add_argument('--sha', '-s')
parser.add_argument('--config_xml', '-c')
args = parser.parse_args()
if not os.path.exists(CHECKSTYLE_STYLE):
config_xml = args.config_xml or CHECKSTYLE_STYLE
if not os.path.exists(config_xml):
print 'Java checkstyle configuration file is missing'
sys.exit(1)
if args.file:
# Files to check were specified via command line.
(errors, warnings) = RunCheckstyleOnFiles(args.file)
(errors, warnings) = RunCheckstyleOnFiles(args.file, config_xml)
else:
(errors, warnings) = RunCheckstyleOnACommit(args.sha)
(errors, warnings) = RunCheckstyleOnACommit(args.sha, config_xml)
if errors or warnings:
sys.exit(1)