urls.py 文件源码

def check_resolver(resolver):
    """
    Recursively check the resolver.
    """
    from django.core.urlresolvers import RegexURLPattern, RegexURLResolver
    warnings = []
    for pattern in resolver.url_patterns:
        if isinstance(pattern, RegexURLResolver):
            warnings.extend(check_include_trailing_dollar(pattern))
            # Check resolver recursively
            warnings.extend(check_resolver(pattern))
        elif isinstance(pattern, RegexURLPattern):
            warnings.extend(check_pattern_name(pattern))

        warnings.extend(check_pattern_startswith_slash(pattern))

    return warnings