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#!/usr/bin/env python3
import os
import argparse
import shutil
import sys
import subprocess
def warning(msg: str) -> None:
print('\033[1;93m' + msg + '\033[0m')
def error(msg: str) -> None:
print('\033[1;31m' + msg + '\033[0m')
def executable(path: str) -> str:
if not shutil.which(path):
error(f"executable path '{path}' is not found")
raise argparse.ArgumentTypeError
return path
def main() -> None:
parser = argparse.ArgumentParser(
prog='covreport',
description='Generate an HTML coverage report from an LCOV tracefile.')
parser.add_argument('-g', '--genhtml', default="genhtml", type=executable, help="genhtml binary")
parser.add_argument('-t', '--tracefile', help="Path to the LCOV tracefile")
parser.add_argument('-o', '--output', required=True, help="Output directory")
args = parser.parse_args()
verbose = False
if int(os.environ.get('VERBOSE', '0')):
verbose = True
if not os.path.exists(args.tracefile):
warning(f"Tracefile '{args.tracefile}' not found, ignoring")
sys.exit(0)
cmd = [
args.genhtml,
'--output-directory', args.output,
args.tracefile
]
output = subprocess.run(cmd, capture_output=True)
if output.returncode != 0:
print(output.stderr.decode("utf-8"), end="\n")
error("failed to generate the coverage report")
sys.exit(-1)
elif verbose:
print(output.stdout.decode("utf-8"), end="\n")
if __name__ == '__main__':
main()
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