Skip to content

Agent

Bases: QueryComponent

Agent component.

Abstract class used for type checking.

Source code in llama-index-core/llama_index/core/query_pipeline/components/agent.py 
154
155
156
157
158
159
class BaseAgentComponent(QueryComponent):
    """Agent component.

    Abstract class used for type checking.

    """

Bases: BaseAgentComponent

Function component for agents.

Designed to let users easily modify state.

NOTE: this is now deprecated in favor of using StatefulFnComponent.

Source code in llama-index-core/llama_index/core/query_pipeline/components/agent.py 
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
class AgentFnComponent(BaseAgentComponent):
    """Function component for agents.

    Designed to let users easily modify state.

    NOTE: this is now deprecated in favor of using `StatefulFnComponent`.

    """

    model_config = ConfigDict(arbitrary_types_allowed=True)
    fn: Callable = Field(..., description="Function to run.")
    async_fn: Optional[Callable] = Field(
        None, description="Async function to run. If not provided, will run `fn`."
    )

    _req_params: Set[str] = PrivateAttr()
    _opt_params: Set[str] = PrivateAttr()

    def __init__(
        self,
        fn: Callable,
        async_fn: Optional[Callable] = None,
        req_params: Optional[Set[str]] = None,
        opt_params: Optional[Set[str]] = None,
        **kwargs: Any,
    ) -> None:
        """Initialize."""
        # determine parameters
        super().__init__(fn=fn, async_fn=async_fn, **kwargs)
        default_req_params, default_opt_params = get_parameters(fn)
        # make sure task and step are part of the list, and remove them from the list
        if "task" not in default_req_params or "state" not in default_req_params:
            raise ValueError(
                "AgentFnComponent must have 'task' and 'state' as required parameters"
            )

        default_req_params = default_req_params - {"task", "state"}
        default_opt_params = default_opt_params - {"task", "state"}

        if req_params is None:
            req_params = default_req_params
        if opt_params is None:
            opt_params = default_opt_params

        self._req_params = req_params
        self._opt_params = opt_params

    def set_callback_manager(self, callback_manager: CallbackManager) -> None:
        """Set callback manager."""
        # TODO: implement

    def _validate_component_inputs(self, input: Dict[str, Any]) -> Dict[str, Any]:
        """Validate component inputs during run_component."""
        from llama_index.core.agent.types import Task

        if "task" not in input:
            raise ValueError("Input must have key 'task'")
        if not isinstance(input["task"], Task):
            raise ValueError("Input must have key 'task' of type Task")

        if "state" not in input:
            raise ValueError("Input must have key 'state'")
        if not isinstance(input["state"], dict):
            raise ValueError("Input must have key 'state' of type dict")

        return input

    def validate_component_outputs(self, output: Dict[str, Any]) -> Dict[str, Any]:
        """Validate component outputs."""
        # NOTE: we override this to do nothing
        return output

    def _validate_component_outputs(self, input: Dict[str, Any]) -> Dict[str, Any]:
        return input

    def _run_component(self, **kwargs: Any) -> Dict:
        """Run component."""
        output = self.fn(**kwargs)
        # if not isinstance(output, dict):
        #     raise ValueError("Output must be a dictionary")

        return {"output": output}

    async def _arun_component(self, **kwargs: Any) -> Any:
        """Run component (async)."""
        if self.async_fn is None:
            return self._run_component(**kwargs)
        else:
            output = await self.async_fn(**kwargs)
            # if not isinstance(output, dict):
            #     raise ValueError("Output must be a dictionary")
            return {"output": output}

    @property
    def input_keys(self) -> InputKeys:
        """Input keys."""
        return InputKeys.from_keys(
            required_keys={"task", "state", *self._req_params},
            optional_keys=self._opt_params,
        )

    @property
    def output_keys(self) -> OutputKeys:
        """Output keys."""
        # output can be anything, overrode validate function
        return OutputKeys.from_keys({"output"})

input_keys property #

input_keys: InputKeys

Input keys.

output_keys property #

output_keys: OutputKeys

Output keys.

set_callback_manager #

set_callback_manager(callback_manager: CallbackManager) -> None

Set callback manager.

Source code in llama-index-core/llama_index/core/query_pipeline/components/agent.py 
209
210
def set_callback_manager(self, callback_manager: CallbackManager) -> None:
    """Set callback manager."""

validate_component_outputs #

validate_component_outputs(output: Dict[str, Any]) -> Dict[str, Any]

Validate component outputs.

Source code in llama-index-core/llama_index/core/query_pipeline/components/agent.py 
229
230
231
232
def validate_component_outputs(self, output: Dict[str, Any]) -> Dict[str, Any]:
    """Validate component outputs."""
    # NOTE: we override this to do nothing
    return output

Bases: BaseAgentComponent

Custom component for agents.

Designed to let users easily modify state.

NOTE: this is now deprecated in favor of using StatefulFnComponent.

Source code in llama-index-core/llama_index/core/query_pipeline/components/agent.py 
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
class CustomAgentComponent(BaseAgentComponent):
    """Custom component for agents.

    Designed to let users easily modify state.

    NOTE: this is now deprecated in favor of using `StatefulFnComponent`.

    """

    model_config = ConfigDict(arbitrary_types_allowed=True)
    callback_manager: CallbackManager = Field(
        default_factory=CallbackManager, description="Callback manager"
    )

    def set_callback_manager(self, callback_manager: CallbackManager) -> None:
        """Set callback manager."""
        self.callback_manager = callback_manager
        # TODO: refactor to put this on base class
        for component in self.sub_query_components:
            component.set_callback_manager(callback_manager)

    def _validate_component_inputs(self, input: Dict[str, Any]) -> Dict[str, Any]:
        """Validate component inputs during run_component."""
        # NOTE: user can override this method to validate inputs
        # but we do this by default for convenience
        return input

    async def _arun_component(self, **kwargs: Any) -> Any:
        """Run component (async)."""
        raise NotImplementedError("This component does not support async run.")

    @property
    def _input_keys(self) -> Set[str]:
        """Input keys dict."""
        raise NotImplementedError("Not implemented yet. Please override this method.")

    @property
    def _optional_input_keys(self) -> Set[str]:
        """Optional input keys dict."""
        return set()

    @property
    def _output_keys(self) -> Set[str]:
        """Output keys dict."""
        raise NotImplementedError("Not implemented yet. Please override this method.")

    @property
    def input_keys(self) -> InputKeys:
        """Input keys."""
        # NOTE: user can override this too, but we have them implement an
        # abstract method to make sure they do it

        input_keys = self._input_keys.union({"task", "state"})
        return InputKeys.from_keys(
            required_keys=input_keys, optional_keys=self._optional_input_keys
        )

    @property
    def output_keys(self) -> OutputKeys:
        """Output keys."""
        # NOTE: user can override this too, but we have them implement an
        # abstract method to make sure they do it
        return OutputKeys.from_keys(self._output_keys)

input_keys property #

input_keys: InputKeys

Input keys.

output_keys property #

output_keys: OutputKeys

Output keys.

set_callback_manager #

set_callback_manager(callback_manager: CallbackManager) -> None

Set callback manager.

Source code in llama-index-core/llama_index/core/query_pipeline/components/agent.py 
284
285
286
287
288
289
def set_callback_manager(self, callback_manager: CallbackManager) -> None:
    """Set callback manager."""
    self.callback_manager = callback_manager
    # TODO: refactor to put this on base class
    for component in self.sub_query_components:
        component.set_callback_manager(callback_manager)

Bases: QueryComponent

Takes in agent inputs and transforms it into desired outputs.

NOTE: this is now deprecated in favor of using StatefulFnComponent.

Source code in llama-index-core/llama_index/core/query_pipeline/components/agent.py 
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
class AgentInputComponent(QueryComponent):
    """Takes in agent inputs and transforms it into desired outputs.

    NOTE: this is now deprecated in favor of using `StatefulFnComponent`.

    """

    model_config = ConfigDict(arbitrary_types_allowed=True)
    fn: AnnotatedCallable = Field(..., description="Function to run.")
    async_fn: Optional[AnnotatedCallable] = Field(
        None, description="Async function to run. If not provided, will run `fn`."
    )

    _req_params: Set[str] = PrivateAttr()
    _opt_params: Set[str] = PrivateAttr()

    def __init__(
        self,
        fn: Callable,
        async_fn: Optional[Callable] = None,
        req_params: Optional[Set[str]] = None,
        opt_params: Optional[Set[str]] = None,
        **kwargs: Any,
    ) -> None:
        """Initialize."""
        # determine parameters
        super().__init__(fn=fn, async_fn=async_fn, **kwargs)
        default_req_params, default_opt_params = get_parameters(fn)
        if req_params is None:
            req_params = default_req_params
        if opt_params is None:
            opt_params = default_opt_params

        self._req_params = req_params
        self._opt_params = opt_params

    def set_callback_manager(self, callback_manager: CallbackManager) -> None:
        """Set callback manager."""
        # TODO: implement

    def _validate_component_inputs(self, input: Dict[str, Any]) -> Dict[str, Any]:
        """Validate component inputs during run_component."""
        from llama_index.core.agent.types import Task

        if "task" not in input:
            raise ValueError("Input must have key 'task'")
        if not isinstance(input["task"], Task):
            raise ValueError("Input must have key 'task' of type Task")

        if "state" not in input:
            raise ValueError("Input must have key 'state'")
        if not isinstance(input["state"], dict):
            raise ValueError("Input must have key 'state' of type dict")

        return input

    def validate_component_outputs(self, output: Dict[str, Any]) -> Dict[str, Any]:
        """Validate component outputs."""
        # NOTE: we override this to do nothing
        return output

    def _validate_component_outputs(self, input: Dict[str, Any]) -> Dict[str, Any]:
        return input

    def _run_component(self, **kwargs: Any) -> Dict:
        """Run component."""
        output = self.fn(**kwargs)
        if not isinstance(output, dict):
            raise ValueError("Output must be a dictionary")

        return output

    async def _arun_component(self, **kwargs: Any) -> Any:
        """Run component (async)."""
        if self.async_fn is None:
            return self._run_component(**kwargs)
        else:
            output = await self.async_fn(**kwargs)
            if not isinstance(output, dict):
                raise ValueError("Output must be a dictionary")
            return output

    @property
    def input_keys(self) -> InputKeys:
        """Input keys."""
        return InputKeys.from_keys(
            required_keys={"task", "state", *self._req_params},
            optional_keys=self._opt_params,
        )

    @property
    def output_keys(self) -> OutputKeys:
        """Output keys."""
        # output can be anything, overrode validate function
        return OutputKeys.from_keys(set())

input_keys property #

input_keys: InputKeys

Input keys.

output_keys property #

output_keys: OutputKeys

Output keys.

set_callback_manager #

set_callback_manager(callback_manager: CallbackManager) -> None

Set callback manager.

Source code in llama-index-core/llama_index/core/query_pipeline/components/agent.py 
93
94
def set_callback_manager(self, callback_manager: CallbackManager) -> None:
    """Set callback manager."""

validate_component_outputs #

validate_component_outputs(output: Dict[str, Any]) -> Dict[str, Any]

Validate component outputs.

Source code in llama-index-core/llama_index/core/query_pipeline/components/agent.py 
113
114
115
116
def validate_component_outputs(self, output: Dict[str, Any]) -> Dict[str, Any]:
    """Validate component outputs."""
    # NOTE: we override this to do nothing
    return output