REST API using Flask
STEPS in creating a web application that will say Hello and print the username : Step 1: Installation: We will require two package to setup environment. pip install virtualenv pip install Flask Step 2: Save a web page with a file name myflask1.py. Step 3: Then go to the url given there you will seeing your first webpage displaying hello world. Go to the url http://127.0.0.1:5000/ Step 4: @app.route('/hello/') def hello_name(name): return 'Hello %s!' % name STEP 4: Now to extend this functionality our small web app is also equipped with another method add_url_rule() which is a function of an application object is also available to bind a URL with a function as in the above example, route() is used. Modify myflask1.py and add the following lines of code then save it. Don’t forget to run again the script. Step 5: Go to the url http://127.0.0.1:5000/hello/ Replace with your name. Example: http://127.0.0.1:5000/hello/Juan Step 6: Save your file.
STEPS in creating an HTML form and use the POST method to send form data to a URL.: Follow this folder directory: pythontest (folder) login.html (html file) login (folder) myflask2.py (python file) STEP 1: Now let’s create a html login page. Save this new file as login.html inside the pythontest folder. STEP 2: Create a new python script and save it as myflask2.py inside the login folder, this python script will create the server. STEP 3: Go to your cmd and run the myflask2.py. After the development server starts running, open login.html in the browser. Enter name in the text field and click submit button. Please notice the URL. Example Output: Output: “welcome subhajit”. STEP 4: Save your file