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path: root/redis/commands/redismodules.py
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from json import JSONEncoder, JSONDecoder
from redis.exceptions import ModuleError


class RedisModuleCommands:
    """This class contains the wrapper functions to bring supported redis
    modules into the command namepsace.
    """

    def json(self, encoder=JSONEncoder(), decoder=JSONDecoder()):
        """Access the json namespace, providing support for redis json."""
        try:
            modversion = self.loaded_modules['rejson']
        except IndexError:
            raise ModuleError("rejson is not a loaded in the redis instance.")

        from .json import JSON
        jj = JSON(
                client=self,
                version=modversion,
                encoder=encoder,
                decoder=decoder)
        return jj

    def ft(self, index_name="idx"):
        """Access the search namespace, providing support for redis search."""
        try:
            modversion = self.loaded_modules['search']
        except IndexError:
            raise ModuleError("rejson is not a loaded in the redis instance.")

        from .search import Search
        s = Search(client=self, version=modversion, index_name=index_name)
        return s