Add comments

cogs/google.py

@@ -24,11 +24,9 @@ class Google(commands.Cog):
         if results is None:
             return await ctx.send("Er ging iets fout (Response {})".format(status))
 
+        # Filter out all Nones
         elements = list(filter(lambda x: x is not None, results))
 
-        if len(elements) > 10:
-            elements = elements[:10]
-
         embed = discord.Embed(colour=discord.Colour.blue())
         embed.set_author(name="Google Search")
 
@@ -37,6 +35,10 @@ class Google(commands.Cog):
             embed.description = "Geen resultaten gevonden."
             return await ctx.reply(embed=embed, mention_author=False)
 
+        # Cut excess results out
+        if len(elements) > 10:
+            elements = elements[:10]
+
         links = []
 
         for index, (link, title) in enumerate(elements):

functions/scraping.py

@@ -24,8 +24,12 @@ def google_search(query):
     bs = BeautifulSoup(resp.text, "html.parser")
 
     def getContent(element):
+        """
+        Function to find links & titles in the HTML of a <div> element
+        """
         link = element.find("a", href=True)
         title = element.find("h3")
+
         if link is None or title is None:
             return None
 
@@ -35,6 +39,7 @@ def google_search(query):
             return None
 
         return link["href"], sp.text
+
     divs = bs.find_all("div", attrs={"class": "g"})
 
     return list(getContent(d) for d in divs), 200