windows.py

import os

def unicode_open(filename, *args, **kwargs):
    """
    Opens a file as usual on Python 3, and with UTF-8 encoding on Python 2.

    :param filename: Name of file to open.
    """
    filename = fix_path(filename)
    kwargs['encoding'] = "utf-8"
    if PY3:
        return open(filename, *args, **kwargs)
    return codecs.open(filename, *args, **kwargs)

def fix_path(path):
    return path.replace("/", os.sep)
    
    
# config.py
def get_config(config_path):
    """
    Retrieve the config from the specified path, returning it as a config dict.
    """
    config_path = fix_path(config_path)

    if not os.path.exists(config_path):
        raise ConfigDoesNotExistException

    print("config_path is {0}".format(config_path))
    with unicode_open(config_path) as file_handle:
        try:
            yaml_dict = yaml.safe_load(file_handle)
        except yaml.scanner.ScannerError:
            raise InvalidConfiguration(
                "%s is no a valid YAML file" % config_path)

    config_dict = copy.copy(DEFAULT_CONFIG)
    config_dict.update(yaml_dict)
    config_dict['cookiecutters_dir'] = os.path.expanduser(config_dict['cookiecutters_dir'])

    return config_dict
    
    
# test_config
class TestGetConfig(unittest.TestCase):

    def test_get_config(self):
        """ Opening and reading config file """
        conf = config.get_config(
            'tests/test-config/valid-config.yaml'
        )
        expected_conf = {
            'cookiecutters_dir': os.path.expanduser(
                fix_path('~/example/some-path-to-templates')
            ),
            'default_context': {
                "full_name": "Firstname Lastname",
                "email": "firstname.lastname@gmail.com",
                "github_username": "example"
            }
        }
        self.assertEqual(conf, expected_conf)