From d4516fc87d6bbff764d3691191751ddb3ea3536d Mon Sep 17 00:00:00 2001
From: Christopher Teutsch <chris@heychris.eu>
Date: Wed, 15 May 2019 21:42:37 +0200
Subject: [PATCH] Now sleeps until updates are probable

---
 monitor.py | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/monitor.py b/monitor.py
index 0b228c6..0aa83c9 100644
--- a/monitor.py
+++ b/monitor.py
@@ -5,6 +5,7 @@ from typing import List
 from pprint import pprint, pformat
 import datetime
 import pause
+import sys
 
 
 class MOT:
@@ -93,7 +94,7 @@ def get_data(request_data: dict, headers: dict = None, cookies: dict = None) ->
     url = 'https://abfahrtsmonitor.vrr.de/backend/api/stations/table'
     reply = requests.post(url, data=request_data, headers=headers, cookies=cookies)
     reply.raise_for_status()
-    print('Request time elapsed: ' + str(reply.elapsed))
+    print('Request time elapsed: ' + str(reply.elapsed), file=sys.stderr)
     return reply.json()
 
 
@@ -127,17 +128,14 @@ def fixup_data(d: dict) -> dict:
     return d
 
 
-def fmt_trip(trip: dict) -> str:
+def print_trip(trip: dict) -> None:
     trip_part = "The {}:{} {} (???:{}: :{}) service to {} ".format(trip['hour'], trip['minute'], trip['lineNumber'], trip['lineCode'], trip['directionCode'], trip['direction'])
     if is_cancelled(trip):
-        status_part = "is cancelled."
+        print(trip_part + "is cancelled.")
     elif is_late(trip):
-        status_part = "is {} minutes late.".format(trip['delay'])
+        print(trip_part + "is {} minutes late.".format(trip['delay']))
     elif is_early(trip):
-        status_part = "is {} minutes early.".format(-trip['delay'])
-    else:
-        status_part = "is on time."
-    return trip_part + status_part
+        print(trip_part + "is {} minutes early.".format(-trip['delay']))
 
 
 def get_next_refresh(data: dict):
@@ -163,7 +161,7 @@ def update():
     )
     reply_data = fixup_data(reply_data)
     for trip in reply_data['departureData']:
-        print(fmt_trip(trip))
+        print_trip(trip)
     return reply_data
 
 
@@ -171,7 +169,7 @@ def wait():
     data = update()
     while True:
         next_refresh = get_next_refresh(data)
-        print("Sleeping until " + datetime.datetime.fromtimestamp(next_refresh).isoformat())
+        print("Sleeping until " + datetime.datetime.fromtimestamp(next_refresh).isoformat(), file=sys.stderr)
         pause.until(next_refresh)
         data = update()