[networking] Refactor module

modules/networking/isup.py

@@ -0,0 +1,22 @@
+import json
+import urllib
+
+
+def isup(url):
+    """Determine if the given URL is up or not
+
+    Argument:
+    url -- the URL to check
+    """
+
+    o = urllib.parse.urlparse(url, "http")
+    if o.netloc == "":
+        o = urllib.parse.urlparse("http://" + url)
+    if o.netloc != "":
+        req = urllib.request.Request("http://isitup.org/%s.json" % (o.netloc), headers={ 'User-Agent' : "nemubot v3" })
+        raw = urllib.request.urlopen(req, timeout=10)
+        isup = json.loads(raw.read().decode())
+        if "status_code" in isup and isup["status_code"] == 1:
+            return isup["response_time"]
+
+    return None