def load_pip_requirements(self, files_map=None, freeze=True):
        if files_map is None:
            files_map = self.default_pip_files
        for group, requirements_txt in files_map.items():
            path = Path(requirements_txt)
            if not path.exists() and group.lower() == "all" and freeze:
                cmd = envoy.run("pip freeze")
                self[group].loads(cmd.std_out)
            elif path.exists():
                self[group].load(path)
def test_regex_flags_good_input():
    cases = (
        'abcd',
        'ABCabc',
        'ABC',
    )

    case_insensitive = inputs.regex(r'^[A-Z]+$', re.IGNORECASE)

    for value in cases:
        yield assert_equal, case_insensitive(value), value