Update generate-download

generate-download

@@ -1,21 +1,16 @@
 #!/usr/bin/env python
 import hashlib
 import subprocess
-import sys
+import os.path
 
-# Run command line and get output
+youtubeDlDir = os.path.join(os.path.dirname(__file__), '..', 'youtube-dl')
-def output(cmdline):
-	p = subprocess.Popen(cmdline, shell=True, stdout=subprocess.PIPE)
-	retval = p.communicate()[0]
-	p.wait()
-	return retval
 
 # Read template page
 template = file('download.html.in', 'r').read()
 
 # Build replacement strings
-version = output('cd ../master && git tag | tail -1').strip()
+version = subprocess.check_output([os.path.join(youtubeDlDir, 'youtube-dl'), '--version']).strip()
-data = output('cd ../master && git show %s:youtube-dl' % version)
+data = subprocess.check_output(['git', 'show', '%s:youtube-dl' % version], cwd=youtubeDlDir)
 url = 'https://github.com/rg3/youtube-dl/raw/%s/youtube-dl' % version
 md5sum = hashlib.md5(data).hexdigest()
 sha1sum = hashlib.sha1(data).hexdigest()