Basic Utility Functions

check_email.py

def email_check(email):
    """Checks to make sure user inputted email actually conforms to what an     
    email should look like. Returns True if everything looks right."""
    try:
        pieces = email.split('@')
	if ' ' not in pieces[0] and '.' in pieces[1]:
            return True
    except:
	return False

pass_hash.py

def pw_hash(pw):
    """Takes a string, and creates and returns a hexdigest. Keeps us from needing 
    to store actual passwords..."""
    import hashlib
    pw_digest = hashlib.new('sha1')
    pw_digest.update(str(pw))
    return pw_digest.hexdigest()