Updated the json methods, didn\'t realise it has a load/dump for fh like objects

grab.py

@@ -1,17 +1,13 @@
 #!/usr/bin/env python2
 
 import sys
-from json import loads, dumps
+import json # from json import loads, dumps
 from urllib2 import urlopen, HTTPError
 from time import sleep
 
-user = None
-if len(sys.argv) == 2:
-    user = sys.argv[1]
-else:
-    f = open('user.json', 'r')
-    user = loads(f.read())['user']
-    f.close()
+f = open('user.json', 'r')
+user = json.load(f)['user']
+f.close()
 
 sub_section = 'comments'
 after = ''
@@ -20,19 +16,19 @@ init_url = 'http://www.reddit.com/user/{user}/comments/.json?after=%s'.format(us
 next_url = init_url % after
 
 try:
-    http = urlopen(next_url).read()
+    http = urlopen(next_url)
 except HTTPError:
     raise HTTPError("You seem to have given an invalid user")
 
 try:
-    json = loads(http)
+    reddit = json.load(http)
 except ValueError:
     raise ValueError("Failed to decode json.")
 
 datum = []
 while True:
-    after = json['data']['after']
-    children = json['data']['children']
+    after = reddit['data']['after']
+    children = reddit['data']['children']
 
     # This bit fills datum with the id (for removal) and the date (for saving recent posts)
     for child in children:
@@ -44,10 +40,10 @@ while True:
         break
 
     next_url = init_url % after
-    http = urlopen(next_url).read()
-    json = loads(http)
+    http = urlopen(next_url)
+    reddit = json.load(http)
     sleep(1) # don't want to hammer reddit to hard
 
 f = open('data.json', 'w')
-f.write(dumps(datum))
+json.dump(datum, f)
 f.close()