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Oct 29, 2022
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Tidy up asyncio examples. #2431

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68 changes: 27 additions & 41 deletions docs/examples/asyncio_examples.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -140,38 +140,31 @@
"source": [
"import asyncio\n",
"\n",
"import async_timeout\n",
"\n",
"import redis.asyncio as redis\n",
"\n",
"STOPWORD = \"STOP\"\n",
"\n",
"\n",
"async def reader(channel: redis.client.PubSub):\n",
" while True:\n",
" try:\n",
" async with async_timeout.timeout(1):\n",
" message = await channel.get_message(ignore_subscribe_messages=True)\n",
" if message is not None:\n",
" print(f\"(Reader) Message Received: {message}\")\n",
" if message[\"data\"].decode() == STOPWORD:\n",
" print(\"(Reader) STOP\")\n",
" break\n",
" await asyncio.sleep(0.01)\n",
" except asyncio.TimeoutError:\n",
" pass\n",
" message = await channel.get_message(ignore_subscribe_messages=True)\n",
" if message is not None:\n",
" print(f\"(Reader) Message Received: {message}\")\n",
" if message[\"data\"].decode() == STOPWORD:\n",
" print(\"(Reader) STOP\")\n",
" break\n",
"\n",
"r = redis.from_url(\"redis://localhost\")\n",
"pubsub = r.pubsub()\n",
"await pubsub.subscribe(\"channel:1\", \"channel:2\")\n",
"async with r.pubsub() as pubsub:\n",
" await pubsub.subscribe(\"channel:1\", \"channel:2\")\n",
"\n",
"future = asyncio.create_task(reader(pubsub))\n",
" future = asyncio.create_task(reader(pubsub))\n",
"\n",
"await r.publish(\"channel:1\", \"Hello\")\n",
"await r.publish(\"channel:2\", \"World\")\n",
"await r.publish(\"channel:1\", STOPWORD)\n",
" await r.publish(\"channel:1\", \"Hello\")\n",
" await r.publish(\"channel:2\", \"World\")\n",
" await r.publish(\"channel:1\", STOPWORD)\n",
"\n",
"await future"
" await future"
]
},
{
Expand Down Expand Up @@ -204,39 +197,32 @@
"source": [
"import asyncio\n",
"\n",
"import async_timeout\n",
"\n",
"import redis.asyncio as redis\n",
"\n",
"STOPWORD = \"STOP\"\n",
"\n",
"\n",
"async def reader(channel: redis.client.PubSub):\n",
" while True:\n",
" try:\n",
" async with async_timeout.timeout(1):\n",
" message = await channel.get_message(ignore_subscribe_messages=True)\n",
" if message is not None:\n",
" print(f\"(Reader) Message Received: {message}\")\n",
" if message[\"data\"].decode() == STOPWORD:\n",
" print(\"(Reader) STOP\")\n",
" break\n",
" await asyncio.sleep(0.01)\n",
" except asyncio.TimeoutError:\n",
" pass\n",
" message = await channel.get_message(ignore_subscribe_messages=True)\n",
" if message is not None:\n",
" print(f\"(Reader) Message Received: {message}\")\n",
" if message[\"data\"].decode() == STOPWORD:\n",
" print(\"(Reader) STOP\")\n",
" break\n",
"\n",
"\n",
"r = await redis.from_url(\"redis://localhost\")\n",
"pubsub = r.pubsub()\n",
"await pubsub.psubscribe(\"channel:*\")\n",
"async with r.pubsub() as pubsub:\n",
" await pubsub.psubscribe(\"channel:*\")\n",
"\n",
"future = asyncio.create_task(reader(pubsub))\n",
" future = asyncio.create_task(reader(pubsub))\n",
"\n",
"await r.publish(\"channel:1\", \"Hello\")\n",
"await r.publish(\"channel:2\", \"World\")\n",
"await r.publish(\"channel:1\", STOPWORD)\n",
" await r.publish(\"channel:1\", \"Hello\")\n",
" await r.publish(\"channel:2\", \"World\")\n",
" await r.publish(\"channel:1\", STOPWORD)\n",
"\n",
"await future"
" await future"
]
},
{
Expand Down Expand Up @@ -298,4 +284,4 @@
},
"nbformat": 4,
"nbformat_minor": 1
}
}