Project: Creating Functions to Register App Users

You are a junior developer working in a small start-up. Your managers have asked you to develop a new account registration system for a mobile app. The system must validate user input on the sign-up form before creating an account.

The previous junior developer wrote some helper functions that validate the name, email, and password. Use these functions to register users, store their data, and implement some error handling! These have been imported into the workspace for you. They will be a great help to you when registering the user, but first you have to understand what the function does! Inspect the docstrings of each of the helper functions: validate_name, validate_email and validate_password.

# Re-run this cell and examine the docstring of each function
from python_functions import validate_name, validate_email, validate_password, top_level_domains

print("validate_name\n")
print(validate_name.__doc__)
print("--------------------\n")

print("validate_email\n")
print(validate_email.__doc__) 
print("--------------------\n")

print("validate_password\n")
print(validate_password.__doc__)

# The top level domains variable is used in validate_email to approve only certain email domains
print(top_level_domains)

# Start coding here
# Use as many cells as you need

def validate_user(name, email, password):
    if not validate_name(name):
        raise ValueError('Invalid name. The name should be of str type and be greater than 2 characters.')
        
    if not validate_email(email):
        raise ValueError('Invalid email. The username should be greater than 1 character, email itself should contain @, and domain should be recognised.')
    
    if not validate_password(password):
        raise ValueError('Invalid password. The password should include a capital letter, a number and be greater than 8 characters.')

    return True

def register_user(name, email, password):
    try:
        validate_user(name, email, password)
        return {
            'name': name,
            'email': email,
            'password': password,
        }
    except ValueError:
        return False