| """Stable analysis identities and distinct, readable save names.""" |
| from datetime import datetime, timezone |
| import re |
| import uuid |
|
|
|
|
| def timestamp(): |
| return datetime.now(timezone.utc).isoformat() |
|
|
|
|
| def session_identity(title, saved=None): |
| saved = saved if isinstance(saved, dict) else {} |
| identity = saved.get('session_id') |
| try: |
| identity = str(uuid.UUID(identity)) |
| except (ValueError, TypeError, AttributeError): |
| identity = str(uuid.uuid4()) |
| created = saved.get('created_at') |
| try: |
| date = datetime.fromisoformat(created) |
| if date.tzinfo is None: date = date.replace(tzinfo=timezone.utc) |
| except (ValueError, TypeError): |
| date = datetime.now(timezone.utc) |
| created = date.isoformat() |
| name = saved.get('session_name') |
| if not isinstance(name, str) or not name.strip(): |
| title = ' '.join(str(title).split())[:70] or 'Untitled text' |
| name = f"{title} — {date.astimezone().strftime('%Y-%m-%d %H:%M:%S %Z')} — {identity[:8]}" |
| return {'session_id': identity, 'session_name': name, 'created_at': created} |
|
|
|
|
| def session_filename(identity, saved_at): |
| name = re.sub(r'[^\w .-]+', '-', identity['session_name']).strip(' .-').encode('utf-8')[:140].decode('utf-8', errors='ignore') |
| date = datetime.fromisoformat(saved_at).astimezone() |
| return f"{name} — saved {date.strftime('%Y-%m-%d_%H-%M-%S-%f%z')}.json" |
|
|
