PiVelib should be fully working.

pivelib.py

@@ -18,6 +18,8 @@ import xml.etree.ElementTree as ET
 import datetime
 import wiringpi2 as wp2
 import time as time_lib
+import signal
+import threading
 
 wp2.wiringPiSetup()
 
@@ -155,12 +157,14 @@ def stringLCD(string):
     for character in string:
         characterLCD(character)
 
+
 # X ranges from 0 to 84
 # Y ranges from 0 to 5
 def gotoXYLCD(x, y):
     writeLCD(0, 0x80 | x)
     writeLCD(0, 0x40 | y)
 
+
 def initLCD():
     wp2.pinMode(PIN_SCE, 1)
     wp2.pinMode(PIN_RESET, 1)
@@ -184,41 +188,33 @@ def clearLCD():
         writeLCD(LCD_D, 0x00)
     characterLCD(' ')
 
-# ==========
-# Paramètres
-# ==========
 
-if(len(sys.argv) == 1):
+def kill_handler(signum, frame):
-    exit('Vous devez fournir au moins un numéro de station en argument.')
+    global running
+    global update_thread
+    print("Exiting...")
+    running = False
+    update_thread.cancel()
 
-stations = []
-for station in sys.argv[1:]:
-    stations.append(int(station))
 
-base_url = ('http://www.velib.paris.fr/service/stationdetails/paris/')
+def update():
+    print("Updating...")
+    global available
+    global free
+    global weather_now
+    global temp_now
+    global weather_3h
+    global temp_3h
+    global weather_6h
+    global temp_6h
+    global weather_9h
+    global temp_9h
+    global running
 
-# =============================
+    # =======================
-# Initialisation des librairies
+    # Requête sur l'API Vélib
-# =============================
+    # =======================
-http = urllib3.PoolManager()
+    for station in stations:
-initLCD()
-clearLCD()
-gotoXYLCD(0,0)
-stringLCD("Loading...")
-
-# ====
-# Date
-# ====
-now = datetime.datetime.now()
-date = now.strftime('%d/%m/%Y')
-time = now.strftime('%H:%M')
-
-# =======================
-# Requête sur l'API Vélib
-# =======================
-available = {}
-free = {}
-for station in stations:
         r = http.request('GET', base_url+str(station))
 
         if r.status == 200:
@@ -233,23 +229,14 @@ for station in stations:
             available[station] = -1
             free[station] = -1
 
-# ==================================
+    # ==================================
-# Requête pour les prédictions météo
+    # Requête pour les prédictions météo
-# ==================================
+    # ==================================
-url_weather = ('http://api.openweathermap.org/data/2.5/forecast' +
+    url_weather = ('http://api.openweathermap.org/data/2.5/forecast' +
                    '?q=Paris,fr&mode=xml&lang=fr&units=metric')
-r = http.request('GET', url_weather)
+    r = http.request('GET', url_weather)
 
-weather_now = ''
+    if r.status == 200:
-temp_now = -1
-weather_3h = ''
-temp_3h = -1
-weather_6h = ''
-temp_6h = -1
-weather_9h = ''
-temp_9h = -1
-
-if r.status == 200:
         weather_xml = ET.fromstring(r.data)
 
         for child in weather_xml.iter('forecast'):
@@ -277,12 +264,62 @@ if r.status == 200:
                    time_from < now+datetime.timedelta(hours=9)):
                     weather_9h = time.find('clouds').attrib['value']
                     temp_9h = time.find('temperature').attrib['value']
+# ==========
+# Paramètres
+# ==========
+
+if(len(sys.argv) == 1):
+    sys.exit('You must provide at least one station number as ' +
+             'argument on the command line.')
+
+stations = []
+for station in sys.argv[1:]:
+    stations.append(int(station))
+
+base_url = ('http://www.velib.paris.fr/service/stationdetails/paris/')
+
+# =============================
+# Initialisation des librairies
+# =============================
+http = urllib3.PoolManager()
+initLCD()
+clearLCD()
+gotoXYLCD(0, 0)
+stringLCD("Loading...")
+
+running = True
+update_thread = threading.Timer(900, update)
+update_thread.start()
+signal.signal(signal.SIGINT, kill_handler)
+
+# ====
+# Date
+# ====
+now = datetime.datetime.now()
+date = now.strftime('%d/%m/%Y')
+time = now.strftime('%H:%M')
+
+# ====
+# Vars
+# ====
+available = {}
+free = {}
+
+weather_now = ''
+temp_now = -1
+weather_3h = ''
+temp_3h = -1
+weather_6h = ''
+temp_6h = -1
+weather_9h = ''
+temp_9h = -1
+
+update()
 
 
 # ============================
 # Afficher les infos à l'écran
 # ============================
-running = True
 while running:
     for station in stations:
         clearLCD()
@@ -296,6 +333,8 @@ while running:
         stringLCD("Free: "+str(free[station]))
         time_lib.sleep(2)
 
+    if running is False:
+        continue
     clearLCD()
     gotoXYLCD(0, 0)
     stringLCD("[Weather]")
@@ -304,9 +343,11 @@ while running:
     gotoXYLCD(0, 2)
     stringLCD(weather_now.capitalize())
     gotoXYLCD(0, 4)
-    stringLCD(str(temp_now)+"C")
+    stringLCD("Temp:"+str(temp_now)+"C")
     time_lib.sleep(2)
 
+    if running is False:
+        continue
     clearLCD()
     gotoXYLCD(0, 0)
     stringLCD("[Weather]")
@@ -315,9 +356,11 @@ while running:
     gotoXYLCD(0, 2)
     stringLCD(weather_3h.capitalize())
     gotoXYLCD(0, 4)
-    stringLCD(str(temp_3h)+"C")
+    stringLCD("Temp:"+str(temp_3h)+"C")
     time_lib.sleep(2)
 
+    if running is False:
+        continue
     clearLCD()
     gotoXYLCD(0, 0)
     stringLCD("[Weather]")
@@ -326,9 +369,11 @@ while running:
     gotoXYLCD(0, 2)
     stringLCD(weather_6h.capitalize())
     gotoXYLCD(0, 4)
-    stringLCD(str(temp_6h)+"C")
+    stringLCD("Temp:"+str(temp_6h)+"C")
     time_lib.sleep(2)
 
+    if running is False:
+        continue
     clearLCD()
     gotoXYLCD(0, 0)
     stringLCD("[Weather]")
@@ -337,7 +382,7 @@ while running:
     gotoXYLCD(0, 2)
     stringLCD(weather_9h.capitalize())
     gotoXYLCD(0, 4)
-    stringLCD(str(temp_9h)+"C")
+    stringLCD("Temp:"+str(temp_9h)+"C")
     time_lib.sleep(2)
 
 clearLCD()