{"id":15905713,"url":"https://github.com/callsign-viper/flask-validation","last_synced_at":"2026-04-22T06:05:20.084Z","repository":{"id":50204635,"uuid":"141290792","full_name":"callsign-viper/Flask-Validation","owner":"callsign-viper","description":"🚔 A Pythonic way for validate requested JSON payload of Flask 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Flask-Validation [![Build Status](https://travis-ci.org/callsign-viper/Flask-Validation.svg?branch=master)](https://travis-ci.org/callsign-viper/Flask-Validation) [![Documentation Status](https://readthedocs.org/projects/flask-validate/badge/?version=latest)](https://flask-validate.readthedocs.io/en/latest/?badge=latest) [![Coverage Status](https://coveralls.io/repos/github/callsign-viper/Flask-Validation/badge.svg?branch=master)](https://coveralls.io/github/callsign-viper/Flask-Validation?branch=master) \n\n```bash\n$ pip install flask-validation\n```\n\nPythonic JSON payload validator for requested JSON payload of Flask\n\nFlask를 위한 view decorator 기반의 JSON 요청 데이터 validation 라이브러리\n\n## Example Usages\n### json_required\n\n```python\nfrom flask import Flask\nfrom flask_validation import json_required, Validator\n\napp = Flask(__name__)\nValidator(app)\n\n\n@json_required\n@app.route('/', methods=('POST'))\ndef index():\n    return 'hello!'\n    \napp.run()\n```\n\n```bash\n$ curl -d '' -v http://localhost:5000\n...\n\u003e POST / HTTP/1.1\n\u003e Content-Type: application/x-www-form-urlencoded\n\u003c HTTP/1.0 400 BAD REQUEST\n$\n$ curl -H \"Content-Type: application/json\" -d '' -v http://localhost:5000\n...\n\u003e POST / HTTP/1.1\n\u003e Content-Type: application/x-www-form-urlencoded\n\u003c HTTP/1.0 200 OK\n```\n\n### validate_keys\n\n```python\nfrom flask import Flask\nfrom flask_validation import validate_keys, Validator\n\napp = Flask(__name__)\nValidator(app)\n\n\n@validate_keys(['name', 'age', { 'position': ['lati', 'longi'] }])\n@app.route('/', methods=('POST'))\ndef index():\n    return 'hello!'\n    \napp.run()\n```\n\n```bash\n$ curl -H \"Content-Type: application/json\" -d '{\"name\": \"PlanB\"}' -v http://localhost:5000\n...\n\u003e POST / HTTP/1.1\n\u003e Content-Type: application/x-www-form-urlencoded\n\u003c HTTP/1.0 400 BAD REQUEST\n$\n$ curl -H \"Content-Type: application/json\" -d '{\"name\": \"PlanB\", \"age\": 19, \"position\": {\"lati\": 35.24, \"longi\": 127.681146}}' -v http://localhost:5000\n...\n\u003e POST / HTTP/1.1\n\u003e Content-Type: application/json\n\u003c HTTP/1.0 200 OK\n```\n\n### others\n\n```python\nfrom flask import Flask\nfrom flask_validation import validate_common, validate_with_fields, validate_with_jsonschema, Validator\n\napp = Flask(__name__)\nValidator(app)\n\n\n@validate_common({ 'name': str, 'age': int, { 'position': {'lati': float, 'longi': float} } })\n@app.route('/1', methods=('POST'))\ndef validate_1():\n    return 'hello!'\n\n\n@validate_with_fields({\n    'name': StringField(allow_empty=False, regex='[A-z ]+'),\n    'age': IntField(min_value=0),\n    'gender': StringField(required=False, enum=['M', 'F']),\n    {\n        'position': {\n            'lati': NumberField(min_value=0),\n            'longi': NumberField(min_value=0)\n        }\n    }\n})\n@app.route('/2', methods=('POST'))\ndef validate_2():\n    return 'hello!'\n\n\n@validate_with_jsonschema({\n    'type': 'object',\n    'properties': {\n        'name': {'type': 'string'},\n        'age': {'type': 'integer'},\n        'position': {\n            'type': 'object',\n            'properties': {\n                'lati': {'type': 'number'},\n                'longi': {'type': 'number'}\n            }\n        }\n    }\n})\n@app.route('/3', mehtods=('POST'))\ndef validate_3():\n    return 'hello!'\n\n\napp.run()\n```\n\n```bash\n$ curl -H \"Content-Type: application/json\" -d '{\"name\": \"PlanB\", \"age\": 19, \"position\": {\"lati\": 35.24, \"longi\": 127.681146}}' -v http://localhost:5000/1\n\u003c HTTP/1.0 200 OK\n$ curl -H \"Content-Type: application/json\" -d '{\"name\": \"PlanB\", \"age\": 19, \"position\": {\"lati\": 35.24, \"longi\": 127}}' -v http://localhost:5000/1\n\u003c HTTP/1.0 400 BAD REQUEST\n$\n$ curl -H \"Content-Type: application/json\" -d '{\"name\": \"PlanB\", \"age\": 19, \"position\": {\"lati\": 35, \"longi\": 127}}' -v http://localhost:5000/2\n\u003c HTTP/1.0 200 OK\n$ curl -H \"Content-Type: application/json\" -d '{\"name\": \"\", \"age\": 19, \"position\": {\"lati\": 35, \"longi\": 127}}' -v http://localhost:5000/2\n\u003c HTTP/1.0 400 BAD REQUEST\n$\n$ curl -H \"Content-Type: application/json\" -d '{\"name\": \"PlanB\", \"age\": 19, \"position\": {\"lati\": 35, \"longi\": 127}}' -v http://localhost:5000/3\n\u003c HTTP/1.0 200 OK\n$ curl -H \"Content-Type: application/json\" -d '{\"name\": \"PlanB\", \"age\": \"19\", \"position\": {\"lati\": 35, \"longi\": 127}}' -v http://localhost:5000/3\n\u003c HTTP/1.0 400 BAD REQUEST\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcallsign-viper%2Fflask-validation","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fcallsign-viper%2Fflask-validation","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcallsign-viper%2Fflask-validation/lists"}