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import difflib
import json
import os
import subprocess
import time
import yaml
from build.plugins.lib.test_const import CLANG_FORMAT_RESOURCE
from library.python.testing.custom_linter_util import linter_params, reporter
from library.python.testing.style import rules
def main():
params = linter_params.get_params()
clang_format_binary = os.path.join(params.global_resources[CLANG_FORMAT_RESOURCE], 'clang-format')
style_config_path = params.configs[0]
with open(style_config_path) as f:
style_config = yaml.safe_load(f)
style_config_json = json.dumps(style_config)
report = reporter.LintReport()
for file_name in params.files:
start_time = time.time()
status, message = check_file(clang_format_binary, style_config_json, file_name)
elapsed = time.time() - start_time
report.add(file_name, status, message, elapsed=elapsed)
report.dump(params.report_file)
def check_file(clang_format_binary, style_config_json, filename):
with open(filename, "rb") as f:
actual_source = f.read()
skip_reason = rules.get_skip_reason(filename, actual_source, skip_links=False)
if skip_reason:
return reporter.LintStatus.SKIPPED, "Style check is omitted: {}".format(skip_reason)
command = [clang_format_binary, '-assume-filename=' + filename, '-style=' + style_config_json]
styled_source = subprocess.check_output(command, input=actual_source)
if styled_source == actual_source:
return reporter.LintStatus.GOOD, ""
else:
diff = make_diff(actual_source, styled_source)
return reporter.LintStatus.FAIL, diff
def make_diff(left, right):
result = ""
for line in difflib.unified_diff(left.decode().splitlines(), right.decode().splitlines(), fromfile='L', tofile='R'):
line = line.rstrip("\n")
if line:
if line[0] == "-":
line = "[[bad]]" + line + "[[rst]]"
elif line[0] == "+":
line = "[[good]]" + line + "[[rst]]"
result += line + "\n"
return result
if __name__ == "__main__":
main()
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