Get Firestore Documents created from custom classes (async)
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Get Firestore Documents created from custom classes (async).
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For detailed documentation that includes this code sample, see the following:
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[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis code demonstrates how to create Firestore documents from custom classes asynchronously using Python.\u003c/p\u003e\n"],["\u003cp\u003eThe example sets up a collection of "cities" and populates it with documents created from a custom \u003ccode\u003eCity\u003c/code\u003e class.\u003c/p\u003e\n"],["\u003cp\u003eAuthentication to Firestore is required, and the content advises setting up Application Default Credentials for local development.\u003c/p\u003e\n"],["\u003cp\u003eThe provided links offer more information on getting data from and performing queries on Firestore.\u003c/p\u003e\n"]]],[],null,["# Get Firestore Documents created from custom classes (async).\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Get data with Cloud Firestore](https://firebase.google.com/docs/firestore/query-data/get-data)\n- [Getting data](/firestore/native/docs/query-data/get-data)\n- [Perform simple and compound queries in Cloud Firestore](https://firebase.google.com/docs/firestore/query-data/queries)\n- [Query and filter data](/firestore/native/docs/query-data/queries)\n\nCode sample\n-----------\n\n### Python\n\n\nTo authenticate to Firestore, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n cities_ref = db.collection(\"cities\")\n await cities_ref.document(\"BJ\").set(\n City(\"Beijing\", None, \"China\", True, 21500000, [\"hebei\"]).to_dict()\n )\n await cities_ref.document(\"SF\").set(\n City(\n \"San Francisco\", \"CA\", \"USA\", False, 860000, [\"west_coast\", \"norcal\"]\n ).to_dict()\n )\n await cities_ref.document(\"LA\").set(\n City(\n \"Los Angeles\", \"CA\", \"USA\", False, 3900000, [\"west_coast\", \"socal\"]\n ).to_dict()\n )\n await cities_ref.document(\"DC\").set(\n City(\"Washington D.C.\", None, \"USA\", True, 680000, [\"east_coast\"]).to_dict()\n )\n await cities_ref.document(\"TOK\").set(\n City(\"Tokyo\", None, \"Japan\", True, 9000000, [\"kanto\", \"honshu\"]).to_dict()\n )\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=firestore)."]]