Add option to kill process after n minutes (#7)

* Also add README for options -1 and -k
* Rearrange options in gtfsrdb.py

README.md

@@ -66,7 +66,9 @@ the plumbing to get the data in place.
 
 Other command line parameters:
 
+* `-1` = Only issue a request once
 * `-w` = Time to wait between requests (in seconds) (default=30s)
+* `-k` = Kill process after this many minutes
 * `-v` = Print generated SQL (verbose mode)
 * `-l` = When multiple translations are available, prefer this language
 
@@ -238,4 +240,4 @@ The stop_delays view looks like this:
 
 ### Demo Project
 
-See the [gtfsrdb-delay-demo](https://github.com/CUTR-at-USF/gtfsrdb-delay-demo) project for a sample web application that visualizes these delays.
+See the [gtfsrdb-delay-demo](https://github.com/CUTR-at-USF/gtfsrdb-delay-demo) project for a sample web application that visualizes these delays.

gtfsrdb.py

@@ -57,9 +57,15 @@
 p.add_option('-c', '--create-tables', default=False, dest='create',
              action='store_true', help="Create tables if they aren't found")
 
+p.add_option('-1', '--once', default=False, dest='once', action='store_true',
+             help='Only issue a request once')
+
 p.add_option('-w', '--wait', default=30, type='int', metavar='SECS',
              dest='timeout', help='Time to wait between requests (in seconds)')
 
+p.add_option('-k', '--kill-after', default=0, dest='killAfter', type="float",
+             help='Kill process after this many minutes')
+
 p.add_option('-v', '--verbose', default=False, dest='verbose',
              action='store_true', help='Print generated SQL')
 
@@ -69,9 +75,6 @@
 p.add_option('-l', '--language', default='en', dest='lang', metavar='LANG',
              help='When multiple translations are available, prefer this language')
 
-p.add_option('-1', '--once',  default=False, dest='once', action='store_true',
-             help='only run the loader one time')
-
 opts, args = p.parse_args()
 
 if opts.quiet:
@@ -138,9 +141,14 @@ def getTrans(string, lang):
             untranslated = t.text
     return untranslated
 
+if opts.killAfter > 0:
+    stop_time = datetime.datetime.now() + datetime.timedelta(minutes=opts.killAfter)
+
 try:
     keep_running = True
     while keep_running:
+        if datetime.datetime.now() > stop_time:
+            sys.exit()
         try:
             # if True:
             if opts.deleteOld: