Python ResourceSystem.resource_existsの例

コード例 #1

    def resource_exists(env, resource):
        """Checks for resource existence without actually instantiating a
        model.

        :return: `True` if the resource exists, `False` if it doesn't
        and `None` in case no conclusion could be made (i.e. when
        `IResourceManager.resource_exists` is not implemented).
        """
        manager = ResourceSystem(env).get_resource_manager(resource.realm)
        if manager and hasattr(manager, 'resource_exists'):
            return manager.resource_exists(resource)
        elif resource.id is None:
            return False

コード例 #2

ファイル: compat.py プロジェクト: lkraav/trachacks

def resource_exists(env, resource):
    """Checks for resource existence without actually instantiating a model.

        :return: `True` if the resource exists, `False` if it doesn't
        and `None` in case no conclusion could be made (i.e. when
        `IResourceManager.resource_exists` is not implemented).

        >>> from trac.test import EnvironmentStub
        >>> env = EnvironmentStub()

        >>> resource_exists(env, Resource('dummy-realm', 'dummy-id')) is None
        True
        >>> resource_exists(env, Resource('dummy-realm'))
        False
    """
    manager = ResourceSystem(env).get_resource_manager(resource.realm)
    if manager and hasattr(manager, 'resource_exists'):
        return manager.resource_exists(resource)
    elif resource.id is None:
        return False

コード例 #3

ファイル: compat.py プロジェクト: pombredanne/trachacks

def resource_exists(env, resource):
    """Checks for resource existence without actually instantiating a model.

        :return: `True` if the resource exists, `False` if it doesn't
        and `None` in case no conclusion could be made (i.e. when
        `IResourceManager.resource_exists` is not implemented).

        >>> from trac.test import EnvironmentStub
        >>> env = EnvironmentStub()

        >>> resource_exists(env, Resource('dummy-realm', 'dummy-id')) is None
        True
        >>> resource_exists(env, Resource('dummy-realm'))
        False
    """
    manager = ResourceSystem(env).get_resource_manager(resource.realm)
    if manager and hasattr(manager, 'resource_exists'):
        return manager.resource_exists(resource)
    elif resource.id is None:
        return False