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# =========== Copyright 2023 @ 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 @ CAMEL-AI.org. All Rights Reserved. ===========
from typing import Any, Dict, Sequence
from colorama import Fore
from camel.messages import ChatMessage
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[ChatMessage]) -> None:
r"""Displays the options to the user.
Args:
messages (Sequence[ChatMessage]): A list of `ChatMessage` 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,
meta_chat_message: ChatMessage) -> ChatMessage:
r"""Parses the user's input and returns a `ChatMessage` object.
Args:
human_input (str): The user's input.
meta_chat_message (ChatMessage): A `ChatMessage` object.
Returns:
ChatMessage: A `ChatMessage` object.
"""
if self.options_dict[human_input] == self.input_button:
meta_chat_message.content = input(self.logger_color +
"Please enter your message: ")
return meta_chat_message
elif self.options_dict[human_input] == self.kill_button:
exit(self.logger_color + f"Killed by {self.name}.")
else:
meta_chat_message.content = self.options_dict[human_input]
return meta_chat_message
def step(self, messages: Sequence[ChatMessage]) -> ChatMessage:
r"""Performs one step of the conversation by displaying options to the
user, getting their input, and parsing their choice.
Args:
messages (Sequence[ChatMessage]): A list of ChatMessage objects.
Returns:
ChatMessage: A `ChatMessage` object representing the user's choice.
"""
meta_chat_message = ChatMessage(
role_name=messages[0].role_name,
role_type=messages[0].role_type,
meta_dict=messages[0].meta_dict,
role=messages[0].role,
content="",
)
self.display_options(messages)
human_input = self.get_input()
return self.parse_input(human_input, meta_chat_message)
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