16ff434bef
Repeated Contacts syncs must never create duplicate birthdays. Enforce it on the server, independent of the client's reconcile: - POST /local/events is now idempotent on external_uid: if an event with the same (calendar_id, external_uid) exists, update it in place instead of inserting a new row - startup cleanup removes existing duplicates sharing the same (calendar_id, external_uid), keeping the earliest — auto-heals old data - unique DB index on (calendar_id, external_uid) as a hard guarantee external_uid is the stable "contact:<deviceId>:<contactId>", so the same contact from the same device always maps to exactly one event. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
403 lines
16 KiB
Python
403 lines
16 KiB
Python
import logging
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import os
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import sys
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from pathlib import Path
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import uvicorn
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from fastapi import FastAPI, HTTPException, Request
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from fastapi.responses import FileResponse
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from fastapi.staticfiles import StaticFiles
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from sqlalchemy import text
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# How long the browser may keep static assets before revalidating.
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STATIC_MAX_AGE_SECONDS = 2 * 60 * 60 # 2 hours
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NO_CACHE = "no-cache, no-store, must-revalidate"
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STATIC_CACHE = f"public, max-age={STATIC_MAX_AGE_SECONDS}, must-revalidate"
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sys.path.insert(0, str(Path(__file__).parent))
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from database import Base, engine
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from routers import auth_router, birthdays_router, caldav_router, dav_router, google_router, groups_router, homeassistant_router, ical_router, local_router, profile_router, settings_router, users_router
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logging.basicConfig(level=logging.INFO)
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# Create DB tables on startup
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Base.metadata.create_all(bind=engine)
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# Run column migrations for new fields (safe: only adds if not exists)
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def _migrate():
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with engine.connect() as conn:
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# Add week_start_day to user_settings if not present
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try:
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conn.execute(text(
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"ALTER TABLE user_settings ADD COLUMN week_start_day VARCHAR(10) DEFAULT 'monday'"
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))
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conn.commit()
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logging.info("Migration: added week_start_day column")
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except Exception:
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pass # Column already exists
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try:
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conn.execute(text("ALTER TABLE calendars ADD COLUMN sidebar_hidden BOOLEAN DEFAULT 0"))
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conn.commit()
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logging.info("Migration: added sidebar_hidden to calendars")
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE google_calendars ADD COLUMN sidebar_hidden BOOLEAN DEFAULT 0"))
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conn.commit()
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logging.info("Migration: added sidebar_hidden to google_calendars")
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE user_settings ADD COLUMN text_contrast INTEGER DEFAULT 3"))
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conn.commit()
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE user_settings ADD COLUMN line_contrast INTEGER DEFAULT 3"))
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conn.commit()
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE user_settings ADD COLUMN hour_height INTEGER DEFAULT 60"))
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conn.commit()
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE user_settings ADD COLUMN language VARCHAR(5) DEFAULT 'de'"))
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conn.commit()
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE homeassistant_accounts ADD COLUMN auth_method VARCHAR(20) DEFAULT 'token'"))
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conn.commit()
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE homeassistant_accounts ADD COLUMN refresh_token TEXT"))
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conn.commit()
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE homeassistant_accounts ADD COLUMN token_expiry DATETIME"))
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conn.commit()
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE homeassistant_accounts ADD COLUMN client_id VARCHAR(500)"))
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conn.commit()
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE local_events ADD COLUMN rrule TEXT"))
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conn.commit()
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logging.info("Migration: added rrule to local_events")
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE local_events ADD COLUMN exdate TEXT"))
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conn.commit()
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logging.info("Migration: added exdate to local_events")
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE local_events ADD COLUMN reminders TEXT"))
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conn.commit()
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logging.info("Migration: added reminders to local_events")
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE user_settings ADD COLUMN default_reminder_minutes INTEGER"))
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conn.commit()
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logging.info("Migration: added default_reminder_minutes to user_settings")
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE user_settings ADD COLUMN month_divider_color VARCHAR(7) DEFAULT '#7090c0'"))
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conn.commit()
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE user_settings ADD COLUMN month_label_color VARCHAR(7) DEFAULT '#7090c0'"))
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conn.commit()
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE user_settings ADD COLUMN text_color VARCHAR(7)"))
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conn.commit()
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE user_settings ADD COLUMN line_color VARCHAR(7)"))
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conn.commit()
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE user_settings ADD COLUMN bg_color VARCHAR(7)"))
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conn.commit()
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except Exception:
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pass
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# ── Collaboration features (sharing, groups, creator, private) ──
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try:
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conn.execute(text("ALTER TABLE user_settings ADD COLUMN private_event_visibility VARCHAR(10) DEFAULT 'busy'"))
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conn.commit()
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logging.info("Migration: added private_event_visibility to user_settings")
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE local_events ADD COLUMN creator_id INTEGER"))
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conn.commit()
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logging.info("Migration: added creator_id to local_events")
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE local_events ADD COLUMN creator_name_external TEXT"))
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conn.commit()
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logging.info("Migration: added creator_name_external to local_events")
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE local_events ADD COLUMN is_private BOOLEAN DEFAULT 0"))
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conn.commit()
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logging.info("Migration: added is_private to local_events")
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE user_settings ADD COLUMN group_visible_calendar_id INTEGER"))
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conn.commit()
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logging.info("Migration: added group_visible_calendar_id to user_settings")
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE users ADD COLUMN display_name VARCHAR(100)"))
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conn.commit()
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logging.info("Migration: added display_name to users")
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except Exception:
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pass
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# Backfill display_name from username for existing rows (only where empty).
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try:
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conn.execute(text("UPDATE users SET display_name = username WHERE display_name IS NULL OR display_name = ''"))
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conn.commit()
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE groups ADD COLUMN icon VARCHAR(16)"))
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conn.commit()
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logging.info("Migration: added icon to groups")
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE group_members ADD COLUMN color VARCHAR(7)"))
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conn.commit()
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logging.info("Migration: added color to group_members")
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except Exception:
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pass
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# Per-calendar reminder toggle (default ON = unchanged behaviour for existing data).
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for tbl in ("calendars", "local_calendars", "google_calendars",
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"homeassistant_calendars", "ical_subscriptions"):
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try:
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conn.execute(text(f"ALTER TABLE {tbl} ADD COLUMN reminders_enabled BOOLEAN DEFAULT 1"))
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conn.commit()
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logging.info("Migration: added reminders_enabled to %s", tbl)
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except Exception:
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pass
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# Synced default duration (minutes) for newly created events.
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try:
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conn.execute(text("ALTER TABLE user_settings ADD COLUMN default_event_duration_minutes INTEGER DEFAULT 60"))
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conn.commit()
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logging.info("Migration: added default_event_duration_minutes to user_settings")
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE user_settings ADD COLUMN share_calendar_icon VARCHAR(16)"))
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conn.commit()
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logging.info("Migration: added share_calendar_icon to user_settings")
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except Exception:
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pass
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# CalDAV publishing of local calendars (opt-in, secret token URL).
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for col, ddl in (
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("caldav_published", "ALTER TABLE local_calendars ADD COLUMN caldav_published BOOLEAN DEFAULT 0"),
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("dav_token", "ALTER TABLE local_calendars ADD COLUMN dav_token VARCHAR(64)"),
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("dav_ctag", "ALTER TABLE local_calendars ADD COLUMN dav_ctag VARCHAR(32)"),
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):
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try:
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conn.execute(text(ddl))
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conn.commit()
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logging.info("Migration: added %s to local_calendars", col)
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except Exception:
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pass
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try:
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conn.execute(text("ALTER TABLE local_events ADD COLUMN etag VARCHAR(32)"))
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conn.commit()
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logging.info("Migration: added etag to local_events")
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except Exception:
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pass
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# Per-recipient colour override for a shared calendar (NULL = owner's colour).
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try:
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conn.execute(text("ALTER TABLE calendar_shares ADD COLUMN color VARCHAR(16)"))
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conn.commit()
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logging.info("Migration: added color to calendar_shares")
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except Exception:
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pass
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# Hide a user from sharing/group pickers (admin management still shows them).
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try:
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conn.execute(text("ALTER TABLE users ADD COLUMN directory_hidden BOOLEAN DEFAULT 0"))
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conn.commit()
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logging.info("Migration: added directory_hidden to users")
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except Exception:
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pass
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# Birthday calendars: flag + per-calendar "notify N days before".
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for col, ddl in (
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("is_birthday", "ALTER TABLE local_calendars ADD COLUMN is_birthday BOOLEAN DEFAULT 0"),
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("birthday_notify_days_before", "ALTER TABLE local_calendars ADD COLUMN birthday_notify_days_before INTEGER"),
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):
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try:
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conn.execute(text(ddl))
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conn.commit()
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logging.info("Migration: added %s to local_calendars", col)
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except Exception:
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pass
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# Birthday events: stable external id (Contacts dedup) + birth year.
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for col, ddl in (
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("external_uid", "ALTER TABLE local_events ADD COLUMN external_uid VARCHAR(255)"),
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("birth_year", "ALTER TABLE local_events ADD COLUMN birth_year INTEGER"),
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):
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try:
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conn.execute(text(ddl))
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conn.commit()
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logging.info("Migration: added %s to local_events", col)
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except Exception:
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pass
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# One-time cleanup of duplicate imported events sharing the same
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# (calendar_id, external_uid) — e.g. birthdays created repeatedly by an
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# older build without idempotent upsert. Keep the earliest row.
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# Idempotent: after cleanup there is nothing left to delete.
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try:
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conn.execute(text(
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"DELETE FROM local_events WHERE external_uid IS NOT NULL AND id NOT IN "
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"(SELECT MIN(id) FROM local_events WHERE external_uid IS NOT NULL "
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"GROUP BY calendar_id, external_uid)"
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))
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conn.commit()
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logging.info("Migration: de-duplicated local_events by external_uid")
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except Exception:
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pass
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# Hard guarantee: the DB itself forbids two events with the same
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# external_uid in one calendar (imported entries only; NULLs unconstrained).
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try:
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conn.execute(text(
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"CREATE UNIQUE INDEX IF NOT EXISTS ux_local_events_calendar_external "
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"ON local_events(calendar_id, external_uid) WHERE external_uid IS NOT NULL"
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))
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conn.commit()
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logging.info("Migration: unique index on (calendar_id, external_uid)")
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except Exception:
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pass
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_migrate()
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app = FastAPI(title="Calendarr", docs_url=None, redoc_url=None)
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@app.middleware("http")
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async def add_cache_headers(request: Request, call_next):
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"""Force ≤ 2h browser cache for static assets and disable cache for the
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entry HTML / SW / version file. API responses are left alone (handlers
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decide their own caching)."""
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response = await call_next(request)
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path = request.url.path
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# Never cache: entry HTML, manifest, service worker, version marker
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if (
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path in ("/", "/index.html", "/manifest.json", "/sw.js")
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or path == "/static/js/version.js"
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):
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response.headers["Cache-Control"] = NO_CACHE
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response.headers["Pragma"] = "no-cache"
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response.headers["Expires"] = "0"
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# JS/CSS must revalidate on every load so a deploy takes effect on the next
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# reload (returns a cheap 304 when unchanged). Without this, a fresh
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# no-cache index.html could pair with stale 2h-cached scripts.
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elif path.startswith("/static/js/") or path.startswith("/static/css/"):
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response.headers["Cache-Control"] = NO_CACHE
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# 2h cache for the rest of the frontend (icons, fonts, images, …)
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elif path.startswith("/static/") or path.startswith("/icons/"):
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response.headers["Cache-Control"] = STATIC_CACHE
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# SPA fallback (everything else that isn't an API route) returns HTML;
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# don't let the browser cache that either.
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elif not path.startswith("/api/"):
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response.headers["Cache-Control"] = NO_CACHE
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return response
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app.include_router(auth_router.router, prefix="/api/auth", tags=["auth"])
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app.include_router(users_router.router, prefix="/api/users", tags=["users"])
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app.include_router(caldav_router.router, prefix="/api/caldav", tags=["caldav"])
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app.include_router(settings_router.router, prefix="/api/settings", tags=["settings"])
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app.include_router(profile_router.router, prefix="/api/profile", tags=["profile"])
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app.include_router(local_router.router, prefix="/api/local", tags=["local"])
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app.include_router(birthdays_router.router, prefix="/api/birthdays", tags=["birthdays"])
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app.include_router(groups_router.router, prefix="/api/groups", tags=["groups"])
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app.include_router(ical_router.router, prefix="/api/ical", tags=["ical"])
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app.include_router(google_router.router, prefix="/api/google", tags=["google"])
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app.include_router(homeassistant_router.router, prefix="/api/homeassistant", tags=["homeassistant"])
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# CalDAV publishing lives at root scope (no /api prefix) and must be registered
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# before the SPA catch-all so /dav/... isn't swallowed by the index fallback.
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app.include_router(dav_router.router, tags=["dav"])
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FRONTEND_DIR = Path(__file__).parent.parent / "frontend"
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app.mount("/static", StaticFiles(directory=str(FRONTEND_DIR)), name="static")
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# ── PWA assets that must live at root scope ──────────────
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@app.get("/manifest.json")
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async def pwa_manifest():
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return FileResponse(str(FRONTEND_DIR / "manifest.json"), media_type="application/manifest+json")
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@app.get("/sw.js")
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async def pwa_service_worker():
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return FileResponse(
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str(FRONTEND_DIR / "sw.js"),
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media_type="application/javascript",
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headers={"Service-Worker-Allowed": "/", "Cache-Control": "no-cache"},
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)
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@app.get("/icons/{icon_name}")
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async def pwa_icon(icon_name: str):
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icon_path = FRONTEND_DIR / "icons" / icon_name
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if not icon_path.exists() or not icon_path.is_file():
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raise HTTPException(status_code=404, detail="Icon not found")
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return FileResponse(str(icon_path))
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@app.get("/{full_path:path}")
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async def spa_fallback(full_path: str):
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if full_path.startswith("api/"):
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raise HTTPException(status_code=404, detail="API endpoint not found")
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index = FRONTEND_DIR / "index.html"
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return FileResponse(str(index))
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if __name__ == "__main__":
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port = int(os.environ.get("PORT", 8080))
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host = os.environ.get("HOST", "0.0.0.0")
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uvicorn.run(app, host=host, port=port)
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