75 lines
2.8 KiB
Python
75 lines
2.8 KiB
Python
"""File-based persistence for narrative state.
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Each simulation gets a `narrative/` subdirectory inside its data dir,
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containing three files:
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- story_beats.json: chronological list of generated story passages
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- translator_state.json: tracks file offset per platform's actions.jsonl
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- characters.json: extended character profiles with emotional state
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"""
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import os
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import json
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from typing import Optional
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class StoryStore:
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"""Manages narrative/*.json files for a single simulation."""
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def __init__(self, sim_dir: str):
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self.sim_dir = sim_dir
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self.narrative_dir = os.path.join(sim_dir, "narrative")
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self.beats_path = os.path.join(self.narrative_dir, "story_beats.json")
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self.translator_state_path = os.path.join(
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self.narrative_dir, "translator_state.json"
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)
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self.characters_path = os.path.join(self.narrative_dir, "characters.json")
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def _ensure_dir(self) -> None:
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os.makedirs(self.narrative_dir, exist_ok=True)
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def append_beat(self, beat: dict) -> None:
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self._ensure_dir()
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beats = self.get_all_beats()
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beats.append(beat)
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with open(self.beats_path, "w", encoding="utf-8") as f:
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json.dump(beats, f, ensure_ascii=False, indent=2)
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def get_all_beats(self) -> list:
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if not os.path.exists(self.beats_path):
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return []
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with open(self.beats_path, "r", encoding="utf-8") as f:
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return json.load(f)
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def get_beat_by_round(self, round_num: int) -> Optional[dict]:
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for beat in self.get_all_beats():
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if beat.get("round") == round_num:
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return beat
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return None
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def get_file_offset(self, platform: str) -> int:
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if not os.path.exists(self.translator_state_path):
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return 0
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with open(self.translator_state_path, "r", encoding="utf-8") as f:
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state = json.load(f)
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return state.get(f"{platform}_offset", 0)
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def set_file_offset(self, platform: str, offset: int) -> None:
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self._ensure_dir()
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state = {}
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if os.path.exists(self.translator_state_path):
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with open(self.translator_state_path, "r", encoding="utf-8") as f:
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state = json.load(f)
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state[f"{platform}_offset"] = offset
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with open(self.translator_state_path, "w", encoding="utf-8") as f:
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json.dump(state, f, indent=2)
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def save_characters(self, characters: list) -> None:
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self._ensure_dir()
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with open(self.characters_path, "w", encoding="utf-8") as f:
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json.dump(characters, f, ensure_ascii=False, indent=2)
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def load_characters(self) -> list:
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if not os.path.exists(self.characters_path):
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return []
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with open(self.characters_path, "r", encoding="utf-8") as f:
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return json.load(f)
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