locate mjpg-streamer lib

screenless/bureau/photography/photography.py

@@ -63,9 +63,13 @@ class Photography(Bureau):
         #cmd2 = "/usr/local/bin/uvccapture -m -x3264 -y2448 -o" + tmpimg.name
         #subprocess.check_output(cmd1.split())
         print(os.getcwd())
-        cmd = "../../lib/mjpg_streamer/mjpg-streamer-experimental/mjpg_streamer -i 'input_uvc.so -r 3264x2448 -n' -o 'output_file.so -f /tmp/webcam -d 500 -s 1'"
+        modpath = os.path.dirname(__file__)
+        mjpg = os.path.join(modpath, "..", "lib", "mjpg-streamer",
+                            "mjpg-streamer-experimental", "mjpg_streamer")
+        cmd = mjpg.split() + ["-i", "'input_uvc.so -r 3264x2448 -n'", "-o", "'output_file.so -f /tmp/webcam -d 500 -s 1'"]
 
-        proc = subprocess.Popen(cmd.split())
+        print(cmd)
+        proc = subprocess.Popen(cmd)
 
         # copy last image to the tmpfile
         filelist = os.listdir()