Notes -- creating a flask app

make an __init__.py:

from .app import create_app()

APP = create_app()

make an app.py

from flask import Flask, render_template, request,  #etc....
#(import other supporting functions)

def create_app():

        app = Flask(__name__)

        @app.route('/')
        def root(): # the default page loaded when app starts
                return render_template('base.html')

        @app.route('/function')
        def function():
                blah
                blah
                arg1 = ...
                arg2 = ...
                return render_template('newpage.html', arg1=arg1, arg2=arg2)

make a templates directory and in it the corresponding html (in the above example, it will be base.html and newpage.html)
Connect your definitions in "create_app" with the HTML Some notes:

pass app.route to a function:

@app.route('/func') <-- refers to the definition about to follow
def func():
        arg1 = ...
        .
        .
        .
        return render_template('newpage.html', arg1=arg1)
        (this allows arg1 to be called in the `newpage.html`

def to HTML: in the HTML doc, calling arg1 is as simple as {{ arg1 }} eg: html <body> <h1> check it out: {% raw %}{{ arg1 }}{% endraw %} </h1> </body>
HTML to def: in HTML specify 'name' field: html <form> <input type='text' name='thing_being_moved' value="unimportant text"> </form> and in the def of "create_app" call it with ... get or post:

@app.route(/func, methods=['GET'])
def func():
        incoming_value = request.values['thing_being_moved']
        more
        stuff
        return render_template(most likely)

Tclack88 / Flask-Practice

Notes -- creating a flask app

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