python类plugin()的实例源码

def get_auth_handler(host, config, provider, requested_capability=None):
    """Finds an AuthHandler that is ready to authenticate.

    Lists through all the registered AuthHandlers to find one that is willing
    to handle for the requested capabilities, config and provider.

    :type host: string
    :param host: The name of the host

    :type config:
    :param config:

    :type provider:
    :param provider:

    Returns:
        An implementation of AuthHandler.

    Raises:
        boto.exception.NoAuthHandlerFound
    """
    ready_handlers = []
    auth_handlers = boto.plugin.get_plugin(AuthHandler, requested_capability)
    for handler in auth_handlers:
        try:
            ready_handlers.append(handler(host, config, provider))
        except boto.auth_handler.NotReadyToAuthenticate:
            pass

    if not ready_handlers:
        checked_handlers = auth_handlers
        names = [handler.__name__ for handler in checked_handlers]
        raise boto.exception.NoAuthHandlerFound(
            'No handler was ready to authenticate. %d handlers were checked.'
            ' %s '
            'Check your credentials' % (len(names), str(names)))

    # We select the last ready auth handler that was loaded, to allow users to
    # customize how auth works in environments where there are shared boto
    # config files (e.g., /etc/boto.cfg and ~/.boto): The more general,
    # system-wide shared configs should be loaded first, and the user's
    # customizations loaded last. That way, for example, the system-wide
    # config might include a plugin_directory that includes a service account
    # auth plugin shared by all users of a Google Compute Engine instance
    # (allowing sharing of non-user data between various services), and the
    # user could override this with a .boto config that includes user-specific
    # credentials (for access to user data).
    return ready_handlers[-1]

def get_auth_handler(host, config, provider, requested_capability=None):
    """Finds an AuthHandler that is ready to authenticate.

    Lists through all the registered AuthHandlers to find one that is willing
    to handle for the requested capabilities, config and provider.

    :type host: string
    :param host: The name of the host

    :type config:
    :param config:

    :type provider:
    :param provider:

    Returns:
        An implementation of AuthHandler.

    Raises:
        boto.exception.NoAuthHandlerFound
    """
    ready_handlers = []
    auth_handlers = boto.plugin.get_plugin(AuthHandler, requested_capability)
    for handler in auth_handlers:
        try:
            ready_handlers.append(handler(host, config, provider))
        except boto.auth_handler.NotReadyToAuthenticate:
            pass

    if not ready_handlers:
        checked_handlers = auth_handlers
        names = [handler.__name__ for handler in checked_handlers]
        raise boto.exception.NoAuthHandlerFound(
            'No handler was ready to authenticate. %d handlers were checked.'
            ' %s '
            'Check your credentials' % (len(names), str(names)))

    # We select the last ready auth handler that was loaded, to allow users to
    # customize how auth works in environments where there are shared boto
    # config files (e.g., /etc/boto.cfg and ~/.boto): The more general,
    # system-wide shared configs should be loaded first, and the user's
    # customizations loaded last. That way, for example, the system-wide
    # config might include a plugin_directory that includes a service account
    # auth plugin shared by all users of a Google Compute Engine instance
    # (allowing sharing of non-user data between various services), and the
    # user could override this with a .boto config that includes user-specific
    # credentials (for access to user data).
    return ready_handlers[-1]

def get_auth_handler(host, config, provider, requested_capability=None):
    """Finds an AuthHandler that is ready to authenticate.

    Lists through all the registered AuthHandlers to find one that is willing
    to handle for the requested capabilities, config and provider.

    :type host: string
    :param host: The name of the host

    :type config:
    :param config:

    :type provider:
    :param provider:

    Returns:
        An implementation of AuthHandler.

    Raises:
        boto.exception.NoAuthHandlerFound
    """
    ready_handlers = []
    auth_handlers = boto.plugin.get_plugin(AuthHandler, requested_capability)
    total_handlers = len(auth_handlers)
    for handler in auth_handlers:
        try:
            ready_handlers.append(handler(host, config, provider))
        except boto.auth_handler.NotReadyToAuthenticate:
            pass

    if not ready_handlers:
        checked_handlers = auth_handlers
        names = [handler.__name__ for handler in checked_handlers]
        raise boto.exception.NoAuthHandlerFound(
              'No handler was ready to authenticate. %d handlers were checked.'
              ' %s '
              'Check your credentials' % (len(names), str(names)))

    # We select the last ready auth handler that was loaded, to allow users to
    # customize how auth works in environments where there are shared boto
    # config files (e.g., /etc/boto.cfg and ~/.boto): The more general,
    # system-wide shared configs should be loaded first, and the user's
    # customizations loaded last. That way, for example, the system-wide
    # config might include a plugin_directory that includes a service account
    # auth plugin shared by all users of a Google Compute Engine instance
    # (allowing sharing of non-user data between various services), and the
    # user could override this with a .boto config that includes user-specific
    # credentials (for access to user data).
    return ready_handlers[-1]

def get_auth_handler(host, config, provider, requested_capability=None):
    """Finds an AuthHandler that is ready to authenticate.

    Lists through all the registered AuthHandlers to find one that is willing
    to handle for the requested capabilities, config and provider.

    :type host: string
    :param host: The name of the host

    :type config:
    :param config:

    :type provider:
    :param provider:

    Returns:
        An implementation of AuthHandler.

    Raises:
        boto.exception.NoAuthHandlerFound
    """
    ready_handlers = []
    auth_handlers = boto.plugin.get_plugin(AuthHandler, requested_capability)
    total_handlers = len(auth_handlers)
    for handler in auth_handlers:
        try:
            ready_handlers.append(handler(host, config, provider))
        except boto.auth_handler.NotReadyToAuthenticate:
            pass

    if not ready_handlers:
        checked_handlers = auth_handlers
        names = [handler.__name__ for handler in checked_handlers]
        raise boto.exception.NoAuthHandlerFound(
              'No handler was ready to authenticate. %d handlers were checked.'
              ' %s '
              'Check your credentials' % (len(names), str(names)))

    # We select the last ready auth handler that was loaded, to allow users to
    # customize how auth works in environments where there are shared boto
    # config files (e.g., /etc/boto.cfg and ~/.boto): The more general,
    # system-wide shared configs should be loaded first, and the user's
    # customizations loaded last. That way, for example, the system-wide
    # config might include a plugin_directory that includes a service account
    # auth plugin shared by all users of a Google Compute Engine instance
    # (allowing sharing of non-user data between various services), and the
    # user could override this with a .boto config that includes user-specific
    # credentials (for access to user data).
    return ready_handlers[-1]

def get_auth_handler(host, config, provider, requested_capability=None):
    """Finds an AuthHandler that is ready to authenticate.

    Lists through all the registered AuthHandlers to find one that is willing
    to handle for the requested capabilities, config and provider.

    :type host: string
    :param host: The name of the host

    :type config:
    :param config:

    :type provider:
    :param provider:

    Returns:
        An implementation of AuthHandler.

    Raises:
        boto.exception.NoAuthHandlerFound
    """
    ready_handlers = []
    auth_handlers = boto.plugin.get_plugin(AuthHandler, requested_capability)
    for handler in auth_handlers:
        try:
            ready_handlers.append(handler(host, config, provider))
        except boto.auth_handler.NotReadyToAuthenticate:
            pass

    if not ready_handlers:
        checked_handlers = auth_handlers
        names = [handler.__name__ for handler in checked_handlers]
        raise boto.exception.NoAuthHandlerFound(
            'No handler was ready to authenticate. %d handlers were checked.'
            ' %s '
            'Check your credentials' % (len(names), str(names)))

    # We select the last ready auth handler that was loaded, to allow users to
    # customize how auth works in environments where there are shared boto
    # config files (e.g., /etc/boto.cfg and ~/.boto): The more general,
    # system-wide shared configs should be loaded first, and the user's
    # customizations loaded last. That way, for example, the system-wide
    # config might include a plugin_directory that includes a service account
    # auth plugin shared by all users of a Google Compute Engine instance
    # (allowing sharing of non-user data between various services), and the
    # user could override this with a .boto config that includes user-specific
    # credentials (for access to user data).
    return ready_handlers[-1]

def get_auth_handler(host, config, provider, requested_capability=None):
    """Finds an AuthHandler that is ready to authenticate.

    Lists through all the registered AuthHandlers to find one that is willing
    to handle for the requested capabilities, config and provider.

    :type host: string
    :param host: The name of the host

    :type config:
    :param config:

    :type provider:
    :param provider:

    Returns:
        An implementation of AuthHandler.

    Raises:
        boto.exception.NoAuthHandlerFound
    """
    ready_handlers = []
    auth_handlers = boto.plugin.get_plugin(AuthHandler, requested_capability)
    total_handlers = len(auth_handlers)
    for handler in auth_handlers:
        try:
            ready_handlers.append(handler(host, config, provider))
        except boto.auth_handler.NotReadyToAuthenticate:
            pass

    if not ready_handlers:
        checked_handlers = auth_handlers
        names = [handler.__name__ for handler in checked_handlers]
        raise boto.exception.NoAuthHandlerFound(
              'No handler was ready to authenticate. %d handlers were checked.'
              ' %s '
              'Check your credentials' % (len(names), str(names)))

    # We select the last ready auth handler that was loaded, to allow users to
    # customize how auth works in environments where there are shared boto
    # config files (e.g., /etc/boto.cfg and ~/.boto): The more general,
    # system-wide shared configs should be loaded first, and the user's
    # customizations loaded last. That way, for example, the system-wide
    # config might include a plugin_directory that includes a service account
    # auth plugin shared by all users of a Google Compute Engine instance
    # (allowing sharing of non-user data between various services), and the
    # user could override this with a .boto config that includes user-specific
    # credentials (for access to user data).
    return ready_handlers[-1]