define classes

price_checker.py

@@ -2,22 +2,37 @@
 # get user email -> get url -> get price
 #download website -> search for price -> compare price
 #if price = website.price -> send mail(user.mail, url)
-#
-#
-#
-#
 
 from lxml import html
 import requests
 
-class User():
-        email = input("Please enter your email address:")
+class User(object):
+
+        def __init__ (self):
+                self.email = ""
+
+        def prompt_for_email(self):
+                self.email = input("Please enter your email address:")
 
 class Website(object):
-        url = input("Please enter the url you want to monitor:")
-        page = requests.get(url)
-        tree = html.fromstring(page.content)
+
+        def __init__ (self):
+                self.url = ""
+
+        def prompt_for_url(self):
+                url = input("Please enter the url you want to monitor:")
+
+        def get_page(self, url):
+                page = requests.get(url)
+                tree = html.fromstring(page.content)
+                return self.tree
 
 
 class Price(object):
-        desired_price = input("Please enter the price you're looking for:")
+
+        def __init__ (self):
+                self.desired_price = ""
+
+        def prompt_for_price(self):
+                desired_price = input("Please enter the price
+                                        you're looking for:")