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\n jsf\n

\n\n

\n \n $\"Coverage\"$ \n \n \n $\"Docs\"$ \n \n \n $\"PyPI$ \n \n
\n \n $\"License\"$ \n \n \n $\"Code$ \n \n

\n\n\nUse **jsf** along with fake data generators to provide consistent and meaningful fake data for your system.\n\n## Main Features\n\n- Provides out of the box data generation from any JSON schema 📦 \n* Extendable custom data providers using any lambda functions 🔗\n* Multi level state for dependant data (eg multiple objects sharing value, such as children with same surname) 🤓 \n* Inbuilt validation of fake JSON produced ✅\n* In memory conversion from JSON Schema to Pydantic Models with generated examples 🤯\n* Seamless integration with [FastAPI](https://fastapi.tiangolo.com/) 🚀\n\n## Installation\n\n

\n\n```console\n$ pip install jsf\n\n---> 100%\n```\n\n

\n\n## Usage\n\n### Basic 😊\n\n```python\nfrom jsf import JSF\n\nfaker = JSF(\n {\n \"type\": \"object\",\n \"properties\": {\n \"name\": {\"type\": \"string\", \"$provider\": \"faker.name\"},\n \"email\": {\"type\": \"string\", \"$provider\": \"faker.email\"},\n },\n \"required\": [\"name\", \"email\"],\n }\n)\n\nfake_json = faker.generate()\n```\n\nResults in ...\n\n```python\n{\n 'name': 'Jesse Phillips', \n 'email': 'xroberson@hotmail.com'\n}\n```\n\n### From JSON file 📁\n\n```python\nfrom jsf import JSF\n\nfaker = JSF.from_json(\"demo-schema.json\")\nfake_json = faker.generate()\n```\n\n

Or run stright from the commandline...

\n\n#### Native install\n\n```bash\njsf --schema src/tests/data/custom.json --instance wow.json\n```\n\n#### Docker\n\n```bash\ndocker run -v $PWD:/data challisa/jsf jsf --schema /data/custom.json --instance /data/example.json\n```\n\n

\n\n\n### FastAPI Integration 🚀\n\nCreate a file main.py with:\n\n```python\nfrom jsf import JSF\nfrom fastapi import FastAPI\n\napp = FastAPI(docs_url=\"/\")\ngenerator = JSF.from_json(\"custom.json\")\n\n\n@app.get(\"/generate\", response_model=generator.pydantic())\ndef read_root():\n return generator.generate()\n\n```\n\nRun the server with:\n\n

\n\n```console\n$ uvicorn main:app --reload\n\nINFO: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)\nINFO: Started reloader process [28720]\nINFO: Started server process [28722]\nINFO: Waiting for application startup.\nINFO: Application startup complete.\n```\n\nNavigate to [http://127.0.0.1:8000](http://127.0.0.1:8000) and check out your endpoint. Notice the following are all automatically created:\n\n- Schema with descriptions and examples\n- Example response\n- Data generation by clicking \"try it out\"\n\n![Example Swagger UI - Page 1](docs/assets/imgs/ui-1.png)\n![Example Swagger UI - Page 2](docs/assets/imgs/ui-2.png)\n![Example Swagger UI - Page 3](docs/assets/imgs/ui-3.png)\n![Example Swagger UI - Page 4](docs/assets/imgs/ui-4.png)\n\n

\n\n## Credits\n\n- This repository is a Python port of [json-schema-faker](https://github.com/json-schema-faker/json-schema-faker) with some minor differences in implementation.\n\n## License\n\n* [MIT License](/LICENSE)\n","has_starred","hub_user","immutable_tags_settings",{"_71":11,"_72":73},"enabled","rules",[74],".*","is_automated","permissions",{"_78":17,"_79":11,"_80":11},"read","write","admin","user","storage_size",608150060,"orgData","recentTags",[87],{"_88":40,"_89":90,"_91":92,"_93":94,"_95":96,"_46":113,"_114":90,"_115":29,"_116":52,"_53":117,"_118":119,"_120":104,"_121":113,"_122":62,"_123":17},"content_type","creator",2344232,"full_size",377737603,"id",148092829,"images",[97],{"_98":99,"_100":101,"_102":44,"_103":104,"_105":106,"_107":108,"_109":44,"_110":-5,"_111":92,"_59":62,"_112":-5},"architecture","amd64","digest","sha256:6074d8ce834d7c29c56688921948c7dd6f3f4191ad611a82f91c9cbc14746a91","features","last_pulled","2026-09-27T11:36:24.508201305Z","last_pushed","2021-05-04T02:00:23Z","os","linux","os_features","os_version","size","variant","2021-05-04T02:00:22.106867Z","last_updater","last_updater_username","media_type","latest","repository",13013120,"tag_last_pulled","tag_last_pushed","tag_status","v2","sbxKitMetadata","isPotentialSpam","isHubSbxKitsEnabled","showSbxLogoOverride","sbxTrademarkText","displaySecurityMetadata","tagAttestations","tagsHaveAttestations",[],"routes/_layout.r.$namespace.$reponame.tags",{"_34":135,"_142":143,"_131":152,"_153":11},{"_36":136,"_38":137,"_41":42,"_43":44,"_45":11,"_46":47,"_48":49,"_50":138,"_53":31,"_28":29,"_54":55,"_56":40,"_57":58,"_59":60,"_61":62,"_63":-5,"_64":58,"_65":66,"_67":11,"_68":29,"_69":139,"_75":11,"_76":141,"_81":29,"_82":83},[],[40],[52],{"_71":11,"_72":140},[74],{"_78":17,"_79":11,"_80":11},"tags",{"_144":60,"_145":-5,"_146":-5,"_147":148},"count","next","previous","results",[149],{"_88":40,"_89":90,"_91":92,"_93":94,"_95":150,"_46":113,"_114":90,"_115":29,"_116":52,"_53":117,"_118":119,"_120":104,"_121":113,"_122":62,"_123":17},[151],{"_98":99,"_100":101,"_102":44,"_103":104,"_105":106,"_107":108,"_109":44,"_110":-5,"_111":92,"_59":62,"_112":-5},[],"canDeleteTags","actionData","errors"]

challisa/jsf

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