def get_coverage()

in build/fbcode_builder/CMake/fb_py_test_main.py [0:0]

• 25 lines of code
• 8 McCabe index (conditional complexity)

    def get_coverage(self):
        if not self.options.collect_coverage:
            return None

        try:
            os.remove(self._coverage_ini_path)
        except OSError:
            pass  # Better to litter than to fail the test

        # Switch back to the original working directory.
        os.chdir(self._original_working_dir)

        result = {}

        self.cov.stop()

        try:
            f = StringIO()
            self.cov.report(file=f)
            lines = f.getvalue().split("\n")
        except coverage.misc.CoverageException:
            # Nothing was covered. That's fine by us
            return result

        # N.B.: the format of the coverage library's output differs
        # depending on whether one or more files are in the results
        for line in lines[2:]:
            if line.strip("-") == "":
                break
            r = line.split()[0]
            analysis = self.cov.analysis2(r)
            covString = self.convert_to_diff_cov_str(analysis)
            if covString:
                result[r] = covString

        return result