# HG changeset patch
# User Daniel O'Connor <darius@dons.net.au>
# Date 1250755490 -34200
# Node ID 6edc508e0775868904983ae62662386f85c57845
# Parent  f914f08d69f5aa6adf1130acfecba72d649a5f41
Try and run flvstreamer on init and exit if it fails.

It's very annoying if we go and select a bunch of stuff and the user hasn't remember to edit the path for it..

diff -r f914f08d69f5 -r 6edc508e0775 iviewget.py
--- a/iviewget.py	Thu Aug 20 17:33:35 2009 +0930
+++ b/iviewget.py	Thu Aug 20 17:34:50 2009 +0930
@@ -1,6 +1,8 @@
 #!/usr/bin/env python
 
 import iview
+import os.path
+import re
 import subprocess
 import sys
 import time
@@ -8,6 +10,7 @@
 outpath = '.'
 outext = 'flv16x9'
 flvstreamerpath = '/home/darius/projects/flvstreamer/flvstreamer_x86'
+flvpattern = re.compile("FLVStreamer v")
 
 def listChannels(iview):
     i = 1
@@ -48,8 +51,27 @@
             time.sleep(0.1)
         else:
             return res
-            
+
+def checkFLVStreamer():
+    try:
+        s = subprocess.Popen(flvstreamerpath, stdout = subprocess.PIPE, stderr = subprocess.PIPE)
+    except OSError:
+        print "Couldn't execute FLVstreamer"
+        return False
+    while s.poll() != 1:
+        time.sleep(0.1)
+        
+    out, err = s.communicate()
+    if flvpattern.match(err) == None:
+        print "Unrecognised output from FLVstreamer"
+        return False
+
+    return True
+
 if __name__ == "__main__":
+    if not checkFLVStreamer():
+        sys.exit(1)
+
     iview = iview.IView()
     if iview.metered:
         print "WARNING: iview is metered"