Updated the examples for v4

1 files changed, 38 insertions, 0 deletions

diff --git a/examples/standalone/async_postgres.py b/examples/standalone/async_postgres.py
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+++ b/examples/standalone/async_postgres.py
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+"""
+Example demonstrating use of the asynchronous scheduler with persistence via PostgreSQL
+in a simple asyncio app.
+
+Requires the "postgresql" service to be running.
+To install prerequisites: pip install sqlalchemy asyncpg
+To run: python async_postgres.py
+
+It should print a line on the console on a one-second interval.
+"""
+
+from __future__ import annotations
+
+from asyncio import run
+from datetime import datetime
+
+from sqlalchemy.ext.asyncio import create_async_engine
+
+from apscheduler.datastores.async_sqlalchemy import AsyncSQLAlchemyDataStore
+from apscheduler.schedulers.async_ import AsyncScheduler
+from apscheduler.triggers.interval import IntervalTrigger
+
+
+def tick():
+    print("Hello, the time is", datetime.now())
+
+
+async def main():
+    engine = create_async_engine(
+        "postgresql+asyncpg://postgres:secret@localhost/testdb"
+    )
+    data_store = AsyncSQLAlchemyDataStore(engine)
+    async with AsyncScheduler(data_store) as scheduler:
+        await scheduler.add_schedule(tick, IntervalTrigger(seconds=1), id="tick")
+        await scheduler.wait_until_stopped()
+
+
+run(main())