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UdaykiranGudepu/app.py

Last active July 17, 2024 09:04
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Flask REST ful service basics with basic authentication - ( Python 3, IDE - pycharm, HTTPBasicAuth )
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app.py
#! usr!bin
from flask import Flask, jsonify, abort, make_response, url_for
from flask import request
from socket import *
from flask_httpauth import HTTPBasicAuth
sock = socket(AF_INET, SOCK_STREAM)
sock.setsockopt(SOL_SOCKET, SO_REUSEADDR,1)
sock.bind(('0.0.0.0',0))
app = Flask(__name__)
auth = HTTPBasicAuth()
# [ list, ( tuple
tasks = [
{
'id':1,
'title': u'Buy groceries',
'description': u'Milk, Cheese, Pizza, Fruit, Tylenol',
'done': False
},
{
'id': 2,
'title': u':Learn python',
'description': u'Need to find good tutorial on web',
'done': False
}
]
invalid_Task_JSON_404 = {'error': 'Invalid Task Id'}
invalid_Task_JSON_400 = {'error': 'Bad Request'}
@auth.get_password
def get_password(username):
if(username == 'uday'):
return 'python'
return None
@auth.error_handler
def unauthorized():
return make_response(jsonify({'Response':'Invalid credentials'}), 401) #403 to prevent dialog box
@app.route('/todo/api/v1.0/tasks', methods=['GET'])
@auth.login_required
def get_Tasks():
return jsonify({'tasks': [make_public_task(task) for task in tasks]})
@app.route('/todo/api/v1.0/tasks/<int:task_id>', methods=['GET'])
def get_Task(task_id):
if(len(str(task_id)) == 0):
abort(400)
task = [task for task in tasks if task['id'] == task_id]
if(len(task) == 0):
abort(404)
return jsonify({'task': task})
@app.route('/todo/api/v1.0/tasks', methods=['POST'])
def create_Task():
if not request.json or not 'title' in request.json:
abort(400)
task = {
'id': tasks[-1]['id'] + 1,
'title': request.json['title'],
'description': request.json.get('description',""),
'done': False
}
tasks.append(task)
return jsonify({'tasks': tasks})
@app.route('/todo/api/v1.0/tasks/<int:task_id>', methods=['PUT'])
def update_Task(task_id):
task = [task for task in tasks if task['id'] == task_id]
if(len(task) == 0):
abort(404)
if(not request.json):
abort(400)
if('title' in request.json and type(request.json['title']) is not str):
abort(400)
if('description' in request.json and type(request.json['description']) is not str):
abort(400)
if ('done' in request.json and type(request.json['done']) is not bool):
abort(400)
task[0]['title'] = request.json.get('title', tasks[0]['title'])
task[0]['description'] = request.json.get('description',tasks[0]['description'])
task[0]['done'] = request.json.get('done', tasks[0]['done'])
print("Tasks ended")
return make_response(jsonify({"Response":"Updated"}), 200)
@app.route('/todo/api/v1.0/tasks/<int:task_id>', methods=['DELETE'])
def delete_Task(task_id):
task = [task for task in tasks if task['id'] == task_id]
if(len(task) == 0):
abort(404)
print("What is task", task[0])
tasks.remove(task[0])
return make_response(jsonify({"Response":"Deleted successfully"}), 200)
def make_public_task(task):
newtask = {}
for field in task:
if(field == 'id'):
newtask['uri'] = url_for('get_Task', task_id = task['id'], _external=True)
else:
newtask[field] = task[field]
return newtask
@app.route('/')
def index():
return 'Copy and Paste in browser: /todo/api/v1.0/tasks'
@app.errorhandler(404)
def not_found(error):
return make_response(jsonify(invalid_Task_JSON_404), 404)
@app.errorhandler(400)
def not_found(error):
return make_response(jsonify(invalid_Task_JSON_400), 400)
app.run('0.0.0.0',5000)
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