mirror of
https://github.com/browser-use/browser-use
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72 lines
1.9 KiB
Python
72 lines
1.9 KiB
Python
from typing import Callable, Dict, Type
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from pydantic import BaseModel, ConfigDict
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class RegisteredAction(BaseModel):
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"""Model for a registered action"""
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name: str
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description: str
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function: Callable
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param_model: Type[BaseModel]
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requires_browser: bool = False
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model_config = ConfigDict(arbitrary_types_allowed=True)
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def prompt_description(self) -> str:
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"""Get a description of the action for the prompt"""
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skip_keys = ['title']
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s = f'{self.description}: \n'
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s += '{' + str(self.name) + ': '
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s += str(
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{
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k: {sub_k: sub_v for sub_k, sub_v in v.items() if sub_k not in skip_keys}
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for k, v in self.param_model.schema()['properties'].items()
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}
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)
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s += '}'
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return s
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class ActionModel(BaseModel):
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"""Base model for dynamically created action models"""
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# this will have all the registered actions, e.g.
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# click_element = param_model = ClickElementParams
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# done = param_model = None
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#
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model_config = ConfigDict(arbitrary_types_allowed=True)
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def get_index(self) -> int | None:
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"""Get the index of the action"""
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# {'clicked_element': {'index':5}}
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params = self.model_dump(exclude_unset=True).values()
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if not params:
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return None
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for param in params:
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if 'index' in param:
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return param['index']
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return None
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def set_index(self, index: int):
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"""Overwrite the index of the action"""
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# Get the action name and params
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action_data = self.model_dump(exclude_unset=True)
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action_name = next(iter(action_data.keys()))
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action_params = getattr(self, action_name)
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# Update the index directly on the model
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if hasattr(action_params, 'index'):
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action_params.index = index
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class ActionRegistry(BaseModel):
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"""Model representing the action registry"""
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actions: Dict[str, RegisteredAction] = {}
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def get_prompt_description(self) -> str:
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"""Get a description of all actions for the prompt"""
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return '\n'.join([action.prompt_description() for action in self.actions.values()])
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