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# ========= Copyright 2023-2024 @ CAMEL-AI.org. All Rights Reserved. =========
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ========= Copyright 2023-2024 @ CAMEL-AI.org. All Rights Reserved. =========
from typing import Any, Dict, Sequence
from colorama import Fore
from camel.messages import BaseMessage
from camel.responses import ChatAgentResponse
from camel.utils import print_text_animated
class Human:
r"""A class representing a human user.
Args:
name (str): The name of the human user.
(default: :obj:`"Kill Switch Engineer"`).
logger_color (Any): The color of the menu options displayed to the
user. (default: :obj:`Fore.MAGENTA`)
Attributes:
name (str): The name of the human user.
logger_color (Any): The color of the menu options displayed to the
user.
input_button (str): The text displayed for the input button.
kill_button (str): The text displayed for the kill button.
options_dict (Dict[str, str]): A dictionary containing the options
displayed to the user.
"""
def __init__(
self,
name: str = "Kill Switch Engineer",
logger_color: Any = Fore.MAGENTA,
) -> None:
self.name = name
self.logger_color = logger_color
self.input_button = f"Input by {self.name}."
self.kill_button = "Stop!!!"
self.options_dict: Dict[str, str] = dict()
def display_options(self, messages: Sequence[BaseMessage]) -> None:
r"""Displays the options to the user.
Args:
messages (Sequence[BaseMessage]): A list of `BaseMessage` objects.
Returns:
None
"""
options = [message.content for message in messages]
options.append(self.input_button)
options.append(self.kill_button)
print_text_animated(
self.logger_color + "\n> Proposals from "
f"{messages[0].role_name} ({messages[0].role_type}). "
"Please choose an option:\n"
)
for index, option in enumerate(options):
print_text_animated(
self.logger_color
+ f"\x1b[3mOption {index + 1}:\n{option}\x1b[0m\n"
)
self.options_dict[str(index + 1)] = option
def get_input(self) -> str:
r"""Gets the input from the user.
Returns:
str: The user's input.
"""
while True:
human_input = input(
self.logger_color
+ f"Please enter your choice ([1-{len(self.options_dict)}]): "
)
print("\n")
if human_input in self.options_dict:
break
print_text_animated(
self.logger_color + "\n> Invalid choice. Please try again.\n"
)
return human_input
def parse_input(self, human_input: str) -> str:
r"""Parses the user's input and returns a `BaseMessage` object.
Args:
human_input (str): The user's input.
Returns:
content: A `str` object representing the user's input.
"""
if self.options_dict[human_input] == self.input_button:
content = input(self.logger_color + "Please enter your message: ")
elif self.options_dict[human_input] == self.kill_button:
exit(self.logger_color + f"Killed by {self.name}.")
else:
content = self.options_dict[human_input]
return content
def reduce_step(
self, messages: Sequence[BaseMessage]
) -> ChatAgentResponse:
r"""Performs one step of the conversation by displaying options to the
user, getting their input, and parsing their choice.
Args:
messages (Sequence[BaseMessage]): A list of BaseMessage objects.
Returns:
ChatAgentResponse: A `ChatAgentResponse` object representing the
user's choice.
"""
meta_chat_message = BaseMessage(
role_name=messages[0].role_name,
role_type=messages[0].role_type,
meta_dict=messages[0].meta_dict,
content="",
)
self.display_options(messages)
human_input = self.get_input()
content = self.parse_input(human_input)
message = meta_chat_message.create_new_instance(content)
return ChatAgentResponse(msgs=[message], terminated=False, info={})
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