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Code for Flask backend done at the workshop held on Feb 5, 2017.
Covers basic requests, querying from file and database.
#!usr/bin/python
from app import app
app.run(debug = True)from flask import Flask # import Flask
app = Flask(__name__) # Our app is an instance of Flask
from app import api # Import API here, more files can be imported hereImports
from app import app
from flask import jsonify, request
import json
import time
import sqlite3Data fromatter
# Returns standard JSON formatted object with data, message and response code.
def dataFormatter(code, message, data):
resp = jsonify({
'code': code,
'message': message,
'data': data
})
resp.status_code = code
return respRoutes without database
Example route
# Returns the square of a passed number
# Example,
@app.route('/number/<num>', methods=['GET'])def square_method(num): try: sq = int(num) * int(num) ret = "Square of " + num + " is " + str(sq) + "." return dataFormatter(200, "Success.", ret) except: ret = "Error: Pass a number." return dataFormatter(400, "Bad request.", ret) ```
- For particulars
```python
@app.route('/<name>', methods=['GET', 'PUT', 'DELETE'])
def personParticular(name):
# http://localhost:5000/The%20Doctor
# cause I'm too lazy to edit the json for numeric keys :P
# put
if request.method == 'PUT':
ptodelete = {}
for person in data:
if person['name'] == name:
ptodelete = person
if ptodelete in data:
data.remove(ptodelete)
ptoins = json.loads(request.form.get('data', ''))
data.append(ptoins)
saveFile()
return dataFormatter(200, "Put successful", ptoins)
# delete
if request.method == 'DELETE':
ptodelete = {}
for person in data:
if person['name'] == name:
ptodelete = person
if ptodelete in data:
data.remove(ptodelete)
saveFile()
return dataFormatter(200, "delete successful", data)
return dataFormatter(404, "Not found", [])
# get
if request.method == 'GET':
psearch = {}
for person in data:
if person['name'] == name:
psearch = person
if psearch in data:
return dataFormatter(200, "Person found", psearch)
return dataFormatter(404, "Not found", [])
```
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