Wackelbildprotokollator

1. !/usr/bin/python

import time import pygame import pygame.camera import subprocess import thread import datetime from pygame.locals import * from thread import start_new_thread, allocate_lock from wikitools import wiki from wikitools import wikifile from wikitools import api from wikitools import page import poster

num_threads = 0 thread_started = False lock = allocate_lock() analogVal = [1,3,37]

def update_wiki(bildL, bildR, analog):

   # create a Wiki object http://hackerspace-ffm.de/wiki/index.php?title=Wackelbildblog
   site = wiki.Wiki("http://hackerspace-ffm.de/wiki/api.php") 
   site.login("wackelbildprotokollator", "dumm3teile")
   #print site.isLoggedIn()

   # Get blog
   wackelblog = page.Page(site, "Wackelbildblog")
   wikiblogtext = wackelblog.getWikiText()

   # Modify blog
   wbttarget = ""
   wbttargetstart = wikiblogtext.find(wbttarget)
   wikiblogtext_part1 = wikiblogtext[:wbttargetstart+len(wbttarget)]
   wikiblogtext_part2 = wikiblogtext[wbttargetstart+len(wbttarget):]

   # Add new entry
   wikiblogentry = "\n|-\n|\n"
   wikiblogentry += "| " + str(analog[0]) + "\n"
   wikiblogentry += "| " + str(analog[1]) + "\n"
   wikiblogentry += "| " + str(analog[2]) 
   wikiblogtext = wikiblogtext_part1 + wikiblogentry + wikiblogtext_part2

   # Store blog
   wackelblog.edit(text=wikiblogtext)

   # Store pictures
   testImage = wikifile.File(wiki=site, title="Datei:"+bildL)
   testImage.upload(fileobj=open(bildL, "rb"), ignorewarnings=True) 
   testImage = wikifile.File(wiki=site, title="Datei:"+bildR)
   testImage.upload(fileobj=open(bildR, "rb"), ignorewarnings=True) 

   return 0

def hol_bild( cam_id, filename ):

   global num_threads, thread_started
   lock.acquire()
   num_threads += 1
   thread_started = True
   lock.release()
   
   if cam_id:
       print "0"
   pygame.camera.init()
   camlist = pygame.camera.list_cameras()
   cam = pygame.camera.Camera(camlist[cam_id],(640,480))
   if cam_id:
       print "1"
   cam.start()
   time.sleep(0)
   if cam_id:
       print "2"
   pic = cam.get_image()
   time.sleep(0)
   pic = cam.get_image()
   time.sleep(0)
   if cam_id:
       print "3"
   pic = cam.get_image()
   if cam_id:
       print "4"
   cam.stop()
   if cam_id:
       print "5"
   pygame.image.save(pic,filename)
   if cam_id:
       print "6"
   
   lock.acquire()
   num_threads -= 1
   lock.release()    
   return 0

subprocess.call("v4l2-ctl -d /dev/video0 --set-ctrl=brightness=120,contrast=10,saturation=150,exposure_auto=3,white_balance_temperature_auto=1", shell=True) subprocess.call("v4l2-ctl -d /dev/video1 --set-ctrl=brightness=120,contrast=10,saturation=150,exposure_auto=3,white_balance_temperature_auto=1", shell=True) subprocess.call("v4l2-ctl -d /dev/video0 --set-ctrl=brightness=120,contrast=10,saturation=150,exposure_auto=3", shell=True) subprocess.call("v4l2-ctl -d /dev/video1 --set-ctrl=brightness=120,contrast=10,saturation=150,exposure_auto=3", shell=True)

1. video0: 120 10 150 ,white_balance_temperature=57343
2. WBPict_20140302214222.jpg

zeitstempel = datetime.datetime.now().strftime("%Y%m%d%H%M%S") bild_links = 'WBPict_'+zeitstempel+'L.jpg' bild_rechts = 'WBPict_'+zeitstempel+'R.jpg'

try:

   thread.start_new_thread( hol_bild, (0, bild_links, ) )
   thread.start_new_thread( hol_bild, (1, bild_rechts, ) )

except:

   print "Error: unable to start thread"

while not thread_started:

   pass

while num_threads > 0:

   pass

update_wiki(bild_links, bild_rechts, analogVal)