[IMPR] Move page checks to skip_page

Change-Id: I2c57975066089165e6bd827d99c77ab6c769189e
---
M scripts/noreferences.py
1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/scripts/noreferences.py b/scripts/noreferences.py
index c2f3544..fec70ba 100755
--- a/scripts/noreferences.py
+++ b/scripts/noreferences.py
@@ -707,6 +707,21 @@
                 ident=ident, text=self.referencesText)
         return oldText[:index].rstrip() + ref_section + oldText[index:]
 
+    def skip_page(self, page):
+        """Check whether the page could be processed."""
+        if page.isDisambig():
+            pywikibot.output('Page {} is a disambig; skipping.'
+                             .format(page.title(as_link=True)))
+            return True
+
+        if self.site.sitename == 'wikipedia:en' and page.isIpEdit():
+            pywikibot.warning(
+                'Page {} is edited by IP. Possible vandalized'
+                .format(page.title(as_link=True)))
+            return True
+
+        return super().skip_page(page)
+
     def treat_page(self) -> None:
         """Run the bot."""
         page = self.current_page
@@ -717,17 +732,6 @@
                               .format(page.title(as_link=True)))
             return
 
-        if page.isDisambig():
-            pywikibot.output('Page {0} is a disambig; skipping.'
-                             .format(page.title(as_link=True)))
-            return
-
-        if self.site.sitename == 'wikipedia:en' and page.isIpEdit():
-            pywikibot.warning(
-                'Page {0} is edited by IP. Possible vandalized'
-                .format(page.title(as_link=True)))
-            return
-
         if self.lacksReferences(text):
             newText = self.addReferences(text)
             try:

