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runner.py
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Tue, Dec 3, 15:02

runner.py
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"""runner.py: runner for clang-tidy in codeclimate (inspired from cpp-check)"""
__author__ = "Nicolas Richart"
__credits__ = [
"Nicolas Richart <nicolas.richart@epfl.ch>",
]
__copyright__ = "Copyright (©) 2018-2021 EPFL (Ecole Polytechnique Fédérale" \
" de Lausanne) Laboratory (LSMS - Laboratoire de Simulation" \
" en Mécanique des Solides)"
__license__ = "LGPLv3"
import json
import subprocess
import sys
import re
import os
try:
from termcolor import colored
except ImportError:
def colored(text, color):
return text
from command import Command
from issue_formatter import IssueFormatter
from workspace import Workspace
class Runner:
CONFIG_FILE_PATH = '/config.json'
"""Runs clang-tidy, collects and reports results."""
def __init__(self):
self._config_file_path = self.CONFIG_FILE_PATH
self._config = {}
self._decode_config()
self._ansi_escape = re.compile(r'\x1B(?:[@-Z\\-_]|\[[0-?]*[ -/]*[@-~])')
self._issue_parse = re.compile(r'(?P<file>.*\.(cc|hh)):(?P<line>[0-9]+):(?P<column>[0-9]+): (warning|error): (?P<detail>.*) \[(?P<type>.*)\]') # noqa
self._issues_fpr = []
self._workspace = Workspace(self._config.get('include_paths', []))
self._files = self._workspace.files
self._include_paths = self._workspace.include_paths
def run(self):
if not len(self._files) > 0:
return
self._print_debug(f'[clang-tidy] analyzing {len(self._files)} files')
command = Command(self._config, self._workspace).build()
self._print_debug(f'[clang-tidy] command: {command}')
self._generate_issues(command)
def _decode_config(self):
self._print_debug(f"Decoding config file {self._config_file_path}")
contents = ""
with open(self._config_file_path, "r") as config:
contents = config.read()
self._config = json.loads(contents)
self._print_debug(f'[clang-tidy] config: {self._config}')
def _print_issue(self, issue):
issue_ = IssueFormatter(issue).format()
path = os.path.dirname(os.path.abspath(issue_["location"]["path"]))
if path not in self._include_paths:
return
if issue_['fingerprint'] in self._issues_fpr:
return
self._issues_fpr.append(issue_['fingerprint'])
print('{}\0'.format(json.dumps(issue_)))
def _generate_issues(self, command):
issue = None
for line in self._run_command(command):
clean_line = self._ansi_escape.sub('', line)
match = self._issue_parse.match(clean_line)
if match:
if issue is not None:
self._print_issue(issue)
issue = match.groupdict()
elif issue:
if 'content' in issue:
issue['content'].append(line)
else:
issue['content'] = [line]
self._print_issue(issue)
def _run_command(self, command):
popen = subprocess.Popen(command,
stdout=subprocess.PIPE,
universal_newlines=True)
for stdout_line in iter(popen.stdout.readline, ""):
self._print_debug(stdout_line)
yield stdout_line
popen.stdout.close()
return_code = popen.wait()
if return_code:
self._print_debug(
f"[clang-tidy] {command} ReturnCode {return_code}")
# raise subprocess.CalledProcessError(return_code, command)
def _print_debug(self, message):
print(message, file=sys.stderr, flush=True)

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