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a.k.a. « Flask on steroids »

Project description

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a.k.a. « Flask on steroids »

An opinionated Flask extension designed by and for web developers to reduce boilerplate code when working with Marshmallow, MongoDB and/or JSON.

Documentation: https://flask-stupe.readthedocs.io

Features

  • Return any object type in views, and it will be coerced to a flask.Response
  • Validate payloads through Marshmallow schemas
  • Easily add JSON converters for any custom type
  • Fetch all the blueprints from a whole module in one line
  • Native ObjectId support for both Flask and Marshmallow
  • Powerful configuration management
  • Decorators to handle authentication, permissions, and pagination
  • 100% coverage and no dependency

Comparison

Here is a comparison of a bare Flask application and its equivalent Stupeflask version. They both rely on MongoDB, handle input and output in JSON, and allow to create a user and retrieve one or more.

Bare Flask With Stupeflask
from bson import ObjectId
from flask import abort, Flask, jsonify, request
from marshmallow import Schema
from marshmallow.fields import String
from pymongo import MongoClient

app = Flask(__name__)
users = MongoClient().database.users


class UserSchema(Schema):
    username = String(required=True)
    password = String()


@app.route("/user", methods=["POST"])
def post_user():
    json = request.get_json(force=True)
    validation_result = UserSchema().load(json)
    if validation_result.errors:
        abort(400, validation_result.errors)
    result = users.insert_one(validation_result.data)
    inserted_id = str(result.inserted_id)
    validation_result.data.update(_id=inserted_id)
    return jsonify(validation_result.data)


@app.route("/user/<id>")
def get_user(id):
    try:
        id = ObjectId(id)
    except ValueError:
        abort(404)
    user = users.find_one({"_id": id})
    user["_id"] = str(user["_id"])
    return jsonify(user)


@app.route("/users")
def get_users():
    limit = request.args.get("limit", 100, type=int)
    skip = request.args.get("skip", 0, type=int)
    cursor = users.find().limit(limit).skip(skip)
    return jsonify(list(cursor))
from flask import request
from flask_stupe import paginate, schema_required
from flask_stupe.json import Stupeflask
from marshmallow import Schema
from marshmallow.fields import String
from pymongo import MongoClient

app = Stupeflask(__name__)
users = MongoClient().database.users


class UserSchema(Schema):
    username = String(required=True)
    password = String()


@app.route("/user", methods=["POST"])
@schema_required(UserSchema())
def post_user():
    result = users.insert_one(request.schema)
    request.schema.update(_id=result.inserted_id)
    return request.schema


@app.route("/user/<ObjectId:id>")
def get_user(id):
    return users.find_one({"_id": id})


@app.route("/users")
@paginate(limit=100)
def get_users():
    return users.find()

Project details


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