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Editing: _oldstyle.cpython-38.pyc
U W[! � @ st d Z ddlmZmZ ddlZddlmZ ddlmZm Z dd� Z dd � Z d d � Z e e e �e e� e �d d � ��Z dS )zD Utilities to assist in the "flag day" new-style object transition. � )�absolute_import�divisionN)�wraps)�_shouldEnableNewStyle�_PY3c s � �fdd�}|S )a2 If C{condition}, replace this function with C{alternative}. @param condition: A L{bool} which says whether this should be replaced. @param alternative: An alternative function that will be swapped in instead of the original, if C{condition} is truthy. @return: A decorator. c sF �dkr�� n �dkr | � nt d�t�����t| �� fdd��}|S )NTFz8condition argument to _replaceIf requires a bool, not {}c s � | |�S )N� )�args�kwargs��callr �:/usr/lib/python3/dist-packages/twisted/python/_oldstyle.py�wrapped' s z._replaceIf.<locals>.decorator.<locals>.wrapped)� ValueError�format�reprr )�funcr �� alternative� conditionr r � decorator s �z _replaceIf.<locals>.decoratorr )r r r r r r � _replaceIf s r c C s | S )z] Return C{arg}. Do nothing. @param arg: The arg to return. @return: C{arg} r )�argr r r �passthru1 s r c C s2 t | �tjk r.ddlm} tdj|| �d���| S )z� Ensure that C{cls} is an old-style class. @param cls: The class to check. @return: The class, if it is an old-style class. @raises: L{ValueError} if it is a new-style class. r )�fullyQualifiedNamez�twisted.python._oldstyle._oldStyle is being used to decorate a new-style class ({cls}). This should only be used to decorate old-style classes.)�cls)�type�typesZ ClassTypeZtwisted.python.reflectr r r )r r r r r �_ensureOldClass= s ��r c C s$ t | � | jtf }t| j|| j�S )a� A decorator which conditionally converts old-style classes to new-style classes. If it is Python 3, or if the C{TWISTED_NEWSTYLE} environment variable has a falsey (C{no}, C{false}, C{False}, or C{0}) value in the environment, this decorator is a no-op. @param cls: An old-style class to convert to new-style. @type cls: L{types.ClassType} @return: A new-style version of C{cls}. )r � __bases__�objectr �__name__�__dict__)r Z_basesr r r � _oldStyleS s r" )�__doc__Z __future__r r r � functoolsr Ztwisted.python.compatr r r r r r" r r r r �<module> s
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