def check_recursive(paths, reporter=modReporter.Default, settings_path=None, **setting_overrides):
    """Recursively check all source files defined in paths."""
    warnings = 0
    for source_path in iter_source_code(paths):
        warnings += check_path(source_path, reporter, settings_path=None, **setting_overrides)
    return warnings
Recursively check all source files defined in paths.