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70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
from __future__ import annotations
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from dataclasses import dataclass, field
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from typing import Dict, Any
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@dataclass
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class Context:
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"""Represents the current environment context for human-machine interaction.
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Attributes
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----------
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location : str
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A description of the user's location (e.g., "home", "office").
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time_of_day : str
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A human-friendly time descriptor such as "Morning", "Afternoon" or "Evening".
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additional_info : Dict[str, Any]
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Arbitrary key-value metadata about the context.
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"""
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location: str
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time_of_day: str
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additional_info: Dict[str, Any] = field(default_factory=dict)
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class ContextAwareSystem:
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"""
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Simple context-aware system that adjusts its behavior based on context.
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The system stores a `Context` and can update it or respond
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differently depending on the context. This example demonstrates
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adjusting a greeting based on the time of day.
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"""
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def __init__(self, context: Context) -> None:
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self.context = context
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def update_context(self, context: Context) -> None:
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"""Update the system's context."""
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self.context = context
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def respond(self) -> str:
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"""
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Generate a response string based on current context.
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Returns
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-------
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str
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A greeting adapted to the time of day and location.
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"""
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if "morning" in self.context.time_of_day.lower():
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greeting = "Good morning"
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elif "afternoon" in self.context.time_of_day.lower():
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greeting = "Good afternoon"
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elif "evening" in self.context.time_of_day.lower():
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greeting = "Good evening"
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else:
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greeting = "Hello"
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return f"{greeting}! You are at {self.context.location}."
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if __name__ == "__main__":
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# Demonstration of context-aware responses
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ctx = Context(location="office", time_of_day="Morning")
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system = ContextAwareSystem(ctx)
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print(system.respond())
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# Update context example
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new_ctx = Context(location="home", time_of_day="Evening")
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system.update_context(new_ctx)
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print(system.respond())
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