digital-garbage
4001370453
Import timeline helpers at module scope, return structured errors from generate/import, and write project files atomically so a failed save cannot vanish from the list.
69 lines
1.8 KiB
Python
69 lines
1.8 KiB
Python
"""On-disk JSON project store. One file per project, keyed by id.
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Deliberately simple and synchronous — projects are small. This is the persistence
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seam that Phase 2+ extends with cached per-scene latents/assets.
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"""
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from __future__ import annotations
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import json
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import time
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from typing import Optional
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from . import config
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from .timeline import Project, Scene
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def _path(project_id: str):
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return config.PROJECTS_DIR / f"{project_id}.json"
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def list_projects() -> list[dict]:
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config.ensure_dirs()
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out: list[dict] = []
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for p in sorted(config.PROJECTS_DIR.glob("*.json")):
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try:
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d = json.loads(p.read_text())
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except (json.JSONDecodeError, OSError):
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continue
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out.append({
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"id": d.get("id", p.stem),
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"name": d.get("name", p.stem),
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"scene_count": len(d.get("scenes", [])),
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"updated_at": d.get("updated_at", 0),
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})
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out.sort(key=lambda x: x.get("updated_at", 0), reverse=True)
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return out
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def get(project_id: str) -> Optional[Project]:
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p = _path(project_id)
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if not p.exists():
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return None
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return Project.from_dict(json.loads(p.read_text()))
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def save(project: Project) -> Project:
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config.ensure_dirs()
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project.updated_at = time.time()
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path = _path(project.id)
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payload = json.dumps(project.to_dict(), indent=2)
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tmp = path.with_suffix(".json.tmp")
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tmp.write_text(payload)
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tmp.replace(path)
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return project
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def create(name: str = "Untitled") -> Project:
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project = Project(name=name)
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project.anchor = "Optional: describe characters or the world shared by all scenes"
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project.scenes = [Scene(text="Describe your first scene here…")]
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return save(project)
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def delete(project_id: str) -> bool:
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p = _path(project_id)
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if p.exists():
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p.unlink()
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return True
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return False
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