Python django.conf.settings 模块，PASSWORD_HASHERS 实例源码

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        if PREFERRED_HASHER is None:
            load_hashers()
        return PREFERRED_HASHER
    else:
        if HASHERS is None:
            load_hashers()
        if algorithm not in HASHERS:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)
        return HASHERS[algorithm]

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hasher(algorithm='default'):
    """
    Returns an instance of a loaded password hasher.

    If algorithm is 'default', the default hasher will be returned.
    This function will also lazy import hashers specified in your
    settings file if needed.
    """
    if hasattr(algorithm, 'algorithm'):
        return algorithm

    elif algorithm == 'default':
        return get_hashers()[0]

    else:
        hashers = get_hashers_by_algorithm()
        try:
            return hashers[algorithm]
        except KeyError:
            raise ValueError("Unknown password hashing algorithm '%s'. "
                             "Did you specify it in the PASSWORD_HASHERS "
                             "setting?" % algorithm)

def get_hashers():
    hashers = []
    for hasher_path in settings.PASSWORD_HASHERS:
        hasher_cls = import_string(hasher_path)
        hasher = hasher_cls()
        if not getattr(hasher, 'algorithm'):
            raise ImproperlyConfigured("hasher doesn't specify an "
                                       "algorithm name: %s" % hasher_path)
        hashers.append(hasher)
    return hashers

def reset_hashers(**kwargs):
    if kwargs['setting'] == 'PASSWORD_HASHERS':
        get_hashers.cache_clear()
        get_hashers_by_algorithm.cache_clear()

def get_hashers():
    hashers = []
    for hasher_path in settings.PASSWORD_HASHERS:
        hasher_cls = import_string(hasher_path)
        hasher = hasher_cls()
        if not getattr(hasher, 'algorithm'):
            raise ImproperlyConfigured("hasher doesn't specify an "
                                       "algorithm name: %s" % hasher_path)
        hashers.append(hasher)
    return hashers

def reset_hashers(**kwargs):
    if kwargs['setting'] == 'PASSWORD_HASHERS':
        get_hashers.cache_clear()
        get_hashers_by_algorithm.cache_clear()

def get_hashers():
    hashers = []
    for hasher_path in settings.PASSWORD_HASHERS:
        hasher_cls = import_string(hasher_path)
        hasher = hasher_cls()
        if not getattr(hasher, 'algorithm'):
            raise ImproperlyConfigured("hasher doesn't specify an "
                                       "algorithm name: %s" % hasher_path)
        hashers.append(hasher)
    return hashers

def reset_hashers(**kwargs):
    if kwargs['setting'] == 'PASSWORD_HASHERS':
        get_hashers.cache_clear()
        get_hashers_by_algorithm.cache_clear()

def __init__(self, *args, **kwargs):
        # For speed:
        settings.PASSWORD_HASHERS = \
            ('django.contrib.auth.hashers.MD5PasswordHasher', )

        super(CustomRunner, self).__init__(*args, **kwargs)

def get_hashers():
    hashers = []
    for hasher_path in settings.PASSWORD_HASHERS:
        hasher_cls = import_string(hasher_path)
        hasher = hasher_cls()
        if not getattr(hasher, 'algorithm'):
            raise ImproperlyConfigured("hasher doesn't specify an "
                                       "algorithm name: %s" % hasher_path)
        hashers.append(hasher)
    return hashers

def reset_hashers(**kwargs):
    if kwargs['setting'] == 'PASSWORD_HASHERS':
        get_hashers.cache_clear()
        get_hashers_by_algorithm.cache_clear()

def get_hashers():
    hashers = []
    for hasher_path in settings.PASSWORD_HASHERS:
        hasher_cls = import_string(hasher_path)
        hasher = hasher_cls()
        if not getattr(hasher, 'algorithm'):
            raise ImproperlyConfigured("hasher doesn't specify an "
                                       "algorithm name: %s" % hasher_path)
        hashers.append(hasher)
    return hashers

def reset_hashers(**kwargs):
    if kwargs['setting'] == 'PASSWORD_HASHERS':
        get_hashers.cache_clear()
        get_hashers_by_algorithm.cache_clear()

def get_hashers():
    hashers = []
    for hasher_path in settings.PASSWORD_HASHERS:
        hasher_cls = import_string(hasher_path)
        hasher = hasher_cls()
        if not getattr(hasher, 'algorithm'):
            raise ImproperlyConfigured("hasher doesn't specify an "
                                       "algorithm name: %s" % hasher_path)
        hashers.append(hasher)
    return hashers

def reset_hashers(**kwargs):
    if kwargs['setting'] == 'PASSWORD_HASHERS':
        get_hashers.cache_clear()
        get_hashers_by_algorithm.cache_clear()

def get_hashers():
    hashers = []
    for hasher_path in settings.PASSWORD_HASHERS:
        hasher_cls = import_string(hasher_path)
        hasher = hasher_cls()
        if not getattr(hasher, 'algorithm'):
            raise ImproperlyConfigured("hasher doesn't specify an "
                                       "algorithm name: %s" % hasher_path)
        hashers.append(hasher)
    return hashers

def reset_hashers(**kwargs):
    if kwargs['setting'] == 'PASSWORD_HASHERS':
        get_hashers.cache_clear()
        get_hashers_by_algorithm.cache_clear()

def get_hashers():
    hashers = []
    for hasher_path in settings.PASSWORD_HASHERS:
        hasher_cls = import_string(hasher_path)
        hasher = hasher_cls()
        if not getattr(hasher, 'algorithm'):
            raise ImproperlyConfigured("hasher doesn't specify an "
                                       "algorithm name: %s" % hasher_path)
        hashers.append(hasher)
    return hashers

def reset_hashers(**kwargs):
    if kwargs['setting'] == 'PASSWORD_HASHERS':
        get_hashers.cache_clear()
        get_hashers_by_algorithm.cache_clear()

def get_hashers():
    hashers = []
    for hasher_path in settings.PASSWORD_HASHERS:
        hasher_cls = import_string(hasher_path)
        hasher = hasher_cls()
        if not getattr(hasher, 'algorithm'):
            raise ImproperlyConfigured("hasher doesn't specify an "
                                       "algorithm name: %s" % hasher_path)
        hashers.append(hasher)
    return hashers

def reset_hashers(**kwargs):
    if kwargs['setting'] == 'PASSWORD_HASHERS':
        get_hashers.cache_clear()
        get_hashers_by_algorithm.cache_clear()

def get_hashers():
    hashers = []
    for hasher_path in settings.PASSWORD_HASHERS:
        hasher_cls = import_string(hasher_path)
        hasher = hasher_cls()
        if not getattr(hasher, 'algorithm'):
            raise ImproperlyConfigured("hasher doesn't specify an "
                                       "algorithm name: %s" % hasher_path)
        hashers.append(hasher)
    return hashers

def reset_hashers(**kwargs):
    if kwargs['setting'] == 'PASSWORD_HASHERS':
        get_hashers.cache_clear()
        get_hashers_by_algorithm.cache_clear()

def get_hashers():
    hashers = []
    for hasher_path in settings.PASSWORD_HASHERS:
        hasher_cls = import_string(hasher_path)
        hasher = hasher_cls()
        if not getattr(hasher, 'algorithm'):
            raise ImproperlyConfigured("hasher doesn't specify an "
                                       "algorithm name: %s" % hasher_path)
        hashers.append(hasher)
    return hashers