Simple Python and Flutter Communication

flutter_http_client.dart

import 'dart:convert';

import 'package:http/http.dart' as http;

void main() {
  stuff();
}

void stuff() {
  var thing = fetchOmg();
  thing.then((omg) {
    print('omg we got ${omg.age} and ${omg.name}');
  });
}

Future<Omg> fetchOmg() async {
  final response =
      await http.get('http://10.0.2.2:8000/omg');

  if (response.statusCode == 200) {
    return Omg.fromJson(json.decode(response.body));
  } else {
    throw Exception('Failed to load');
  }
}

class Omg {
  final String name;
  final int age;

  Omg({this.name, this.age});

  factory Omg.fromJson(Map<String, dynamic> json) {
    return Omg(
      name: json['name'],
      age: json['age']
    );
  }
}

python_http_server.py

import os

import jsonpickle
from flask import Flask

app = Flask(__name__)

@app.route("/omg")
def omg():
    omg = Omg('test', 10)
    return str(jsonpickle.encode(omg, unpicklable=False)) # unpicklable=False is needed for us to make a JSON that is universally readable

class Omg:
    def __init__(self, name, age):
        self.name = name
        self.age = age

if __name__ == "__main__":
    app.run(host='localhost', port=os.environ.get('PORT', 8000), debug=True)