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How to use select_formatter_class method in Behave

Best Python code snippet using behave

_registry.py

Source:_registry.py

...59    formatter_class = getattr(formatter_module, class_name, None)60    if formatter_class is None:61        raise ImportError("CLASS NOT FOUND: %s" % scoped_class_name)62    return formatter_class63def select_formatter_class(formatter_name):64    """Resolve the formatter class by:65      * using one of the registered ones66      * loading a user-specified formatter class (like: my.module_name:MyClass)67    :param formatter_name:  Name of the formatter or scoped name (as string).68    :return: Formatter class69    :raises: LookupError, if not found.70    :raises: ImportError, if a user-specific formatter class cannot be loaded.71    :raises: ValueError, if formatter name is invalid.72    """73    try:74        return _formatter_registry[formatter_name]75    except KeyError:76        # -- NOT-FOUND:77        if ":" not in formatter_name:78            raise79        # -- OTHERWISE: SCOPED-NAME, try to load a user-specific formatter.80        # MAY RAISE: ImportError81        return load_formatter_class(formatter_name)82def is_formatter_valid(formatter_name):83    """Checks if the formatter is known (registered) or loadable.84    :param formatter_name: Format(ter) name to check (as string).85    :return: True, if formatter is known or can be loaded.86    """87    try:88        formatter_class = select_formatter_class(formatter_name)89        return issubclass(formatter_class, Formatter)90    except (LookupError, ImportError, ValueError):91        return False92def make_formatters(config, stream_openers):93    """Build a list of formatter, used by a behave runner.94    :param config:  Configuration object to use.95    :param stream_openers: List of stream openers to use (for formatters).96    :return: List of formatters.97    :raises: LookupError/KeyError if a formatter class is unknown.98    :raises: ImportError, if a formatter class cannot be loaded/resolved.99    """100    # -- BUILD: Formatter list101    default_stream_opener = StreamOpener(stream=sys.stdout)102    formatter_list = []103    for i, name in enumerate(config.format):104        stream_opener = default_stream_opener105        if i < len(stream_openers):106            stream_opener = stream_openers[i]107        formatter_class = select_formatter_class(name)108        formatter_object = formatter_class(stream_opener, config)109        formatter_list.append(formatter_object)...

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