def sloc()

in cbmc_viewer/sourcet.py [0:0]

• 28 lines of code
• 7 McCabe index (conditional complexity)

    def sloc(files, root):
        """Run sloc on a list of files under root."""

        loc = {}
        sources = files
        while sources:
            files = sources[:100]
            sources = sources[100:]

            logging.info('Running sloc on %s files starting with %s...',
                         len(files),
                         files[0])
            command = ['sloc', '-f', 'json'] + files
            logging.debug('sloc: %s', ' '.join(command))

            try:
                result = runt.run(command, root)
            except FileNotFoundError as error:
                # handle sloc command not found
                logging.info('sloc not found: %s', error.strerror)
                return None
            except OSError as error:
                # handle sloc argument list too long
                if error.errno != 7: # errno==7 is 'Argument list too long'
                    raise
                logging.info('sloc argument list too long: %s', error.strerror)
                return None
            except subprocess.CalledProcessError as error:
                # handle sloc error generated by running sloc
                logging.info('Unable to run sloc: %s', error.stderr)
                return None
            # sloc produces useful data in addition to the summary
            data = json.loads(result)['summary']
            for key, val in data.items():
                loc[key] = int(val) + loc.get(key, 0)

        return loc