lint_project_v1.py

def lint_entire_project(self, local_repo_path):
    """Runs quality checks on the local repo and returns the output as a string."""
    self.state = BUILD_RUNNING
    self.save()

    process = subprocess.Popen(['flake8', local_repo_path],
                               stdout=subprocess.PIPE,
                               stderr=subprocess.PIPE,
                               shell=False)

    stdout, stderr = process.communicate()

    return stdout

def parse_results(self, local_repo_path, raw_results):
    """Parses flake8 output into a dict of files with issues."""
    results = raw_results.replace(local_repo_path, '')
    file_issues = collections.defaultdict(list)

    regex = re.compile(r'^(?P<path>.*):(?P<line>\d+):(?P<column>\d+): (?P<code>\w\d+) (?P<message>.*)$')

    for line in results.strip().splitlines():
        clean_line = line.strip()
        match = regex.match(clean_line)
        if not match:
            continue

        path = match.group('path')

        result = {
            'line': int(match.group('line')),
            'column': int(match.group('column')),
            'code': match.group('code'),
            'message': match.group('message')
        }

        violations[path].append(result)

    return violations