Add argparse to make it more pythonic

Awesome-Scripts/hackernews.py

@@ -1,20 +1,27 @@
 #!/usr/bin/env python
 
 from __future__ import print_function
+import argparse
 import requests
 from bs4 import BeautifulSoup
 
+# check to see if a number was passed in
+parser = argparse.ArgumentParser()
+parser.add_argument(
+    'news_count', metavar='int', type=int, choices=range(1,31), 
+    nargs='?', default=10, 
+    help='Then number of news items to return, from 1 to 30')
+
+args = parser.parse_args()
+
 # get the front page from hacker news
 response = requests.request("GET", "https://news.ycombinator.com/")
 
 # convert the response to soup
 soup = BeautifulSoup(response.text, "lxml")
 
-# count the things that get processed
-count = 0
-
 # process all of the things! :D
-for things in soup("tr", { "class" : "athing" }):
+for things in soup("tr", { "class" : "athing" })[:args.news_count]:
     # get at the rank of each thing
     for rank in things("span", { "class" : "rank" }):
         print( rank.text, end=' ' )
@@ -24,7 +31,3 @@
         print( title.text )
         print( title['href'] )
         print( " " )
-
-    count = count + 1
-
-    if count == 10: break