Add a few comments explaining some quirks

deletefb/deletefb.py

@@ -46,6 +46,7 @@ def delete_posts(user_email_address=None,
                 user_password,
                 user_profile_url)), "Insufficient arguments provided"
 
+    # The Chrome driver is required because Gecko was having issues
     chrome_options = Options()
     prefs = {"profile.default_content_setting_values.notifications" : 2}
     chrome_options.add_experimental_option("prefs", prefs)
@@ -82,14 +83,21 @@ def delete_posts(user_email_address=None,
 
         menu = driver.find_element_by_css_selector("#globalContainer > div.uiContextualLayerPositioner.uiLayer > div")
         actions.move_to_element(menu).perform()
+
         try:
             delete_button = menu.find_element_by_xpath("//a[@data-feed-option-name=\"FeedDeleteOption\"]")
+
+        # FIXME Using a bare except here to avoid having to handle all possible exceptions
         except:
             delete_button = menu.find_element_by_xpath("//a[@data-feed-option-name=\"HIDE_FROM_TIMELINE\"]")
 
         actions.move_to_element(delete_button).click().perform()
 
         confirmation_button = driver.find_element_by_class_name("layerConfirm")
+
+        # Facebook would not let me get focus on this button without some custom JS
         driver.execute_script("arguments[0].click();", confirmation_button)
+
+        # Required to sleep the thread for a bit after using JS to click this button
         time.sleep(5)
         driver.refresh()