reg_form_server.py~

from flask import Flask, render_template, redirect, request, flash, session
from datetime import datetime
import os
import re

app=Flask(__name__)
app.secret_key='hi'

EMAIL_REGEX = re.compile(r'^[a-zA-Z0-9\.\+_-]+@[a-zA-Z0-9\._-]+\.[a-zA-Z]*$')


@app.route('/')
def index():
    return render_template('index.html')

@app.route('/process', methods=['POST'])
def process():
    print 'info received - ', request.form

    firstName=request.form['first_name']
    lastName=request.form['last_name']
    email=request.form['email']
    birthday=request.form['birthday']
    password=request.form['password']
    password_verify=request.form['password_verify']

    session['firstName'] = request.form['first_name']
    session['lastName'] = request.form['last_name']
    session['email'] = request.form['email']
    session['birthday'] = request.form['birthday']
    session['password'] = request.form['password']
    session['password_verify'] = request.form['password_verify']
    print firstName, lastName, email, password, password_verify
    print 'nothing entered'

    for key,value in request.form.items():
        if not value:
            flash('All fields are required')

    if not firstName.isalpha():
        flash('First Name - use only alphabet letters')

    if not lastName.isalpha():
        flash('Last Name - use only alphabet letters')

    try:
        datetime.strptime(birthday, '%m/%d/%Y')
        if datetime.strptime(birthday, '%m/%d/%Y') > datetime.today():
            flash("Can't put date in future")

    except ValueError:
        flash('Wrong date format', 'birthday')

    # if datetime.strptime(birthday, '%m/%d/%Y') > datetime.today():
    #     flash("Can't put date in future")

    if not EMAIL_REGEX.match(email):
        flash('invalid email address')

    # if len(password)<8 or not PASSWORD_REGEX.match(password):
    #     flash('Password must be more than 8 characters, contain 1 uppercase letter and a mixture of numbers and letters')

    if len(password)<8 or password.islower() or password.isdigit() or password.isalpha():
        flash('Password must be more than 8 characters, contain 1 uppercase letter and a mixture of numbers and letters')

    if password != password_verify:
        flash("passwords don't match")

    flash('Success!')

    return redirect('/')


@app.route('/clear_session')
def clear_session():
    session.clear()
    return redirect('/')

app.run(debug=True)