Add check script for ch06s06 (#19)

tools/check.py

@@ -0,0 +1,34 @@
+#!/usr/bin/env python
+
+import sys
+import time
+import logging
+import urllib.request
+
+
+logging.basicConfig(
+    format='%(asctime)s %(levelname)-8s %(message)s',
+    level=logging.INFO,
+    datefmt='%Y-%m-%d %H:%M:%S')
+
+
+def request(url):
+    try:
+        response = urllib.request.urlopen(url)
+        logging.info(response.read().decode())
+    except urllib.error.HTTPError as error:
+        logging.error(error)
+
+
+if len(sys.argv) < 2:
+    print("Please specify URL")
+    print("  EXAMPLE: check.py http://your/url")
+    exit(1)
+
+
+URL = sys.argv[1]
+print("Checking {}\n".format(URL))
+
+while True:
+    request(URL)
+    time.sleep(1)