Add GSM HR reference codec that is automatically downloaded from 3gpp.org

[lcr.git] / libgsmhr / fetch_sources.py

diff --git a/libgsmhr/fetch_sources.py b/libgsmhr/fetch_sources.py
new file mode 100755 (executable)
index 0000000..cb37e0c
--- /dev/null
+++ b/libgsmhr/fetch_sources.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python
+
+import urllib2
+import os
+import sys
+import zipfile
+
+try:
+       import cStringIO as StringIO
+except:
+       import StringIO
+
+
+SRC = "http://ftp.3gpp.org/Specs/2001-06/Ph2/06_series/0606-421/0606_421.zip"
+
+
+def get_zipfile(data):
+       return zipfile.ZipFile(StringIO.StringIO(data))
+
+
+def get_subfile_data(data, filename):
+       z = get_zipfile(data)
+       return z.read(filename)
+
+
+def process_file(z, e):
+       fh = open(e.filename.lower(), 'w')
+       d = z.read(e).replace('\r','')
+       fh.write(d)
+       fh.close()
+
+
+def main(*args):
+
+       # Args
+       if len(args) != 2:
+               print "Usage: %s target_dir" % args[0]
+               return
+
+       tgt = args[1]
+
+       # Create and go to target dir
+       if not os.path.isdir(tgt):
+               os.mkdir(tgt)
+       os.chdir(tgt)
+
+       # Get the original data
+       u = urllib2.urlopen(SRC)
+       d = u.read()
+
+       # Get DISK.zip
+       d = get_subfile_data(d, 'DISK.zip')
+
+       # Get Dir_C.zip
+       d = get_subfile_data(d, 'Dir_C.zip')
+
+       # Get zip file object
+       z = get_zipfile(d)
+
+       # Save each file
+       for e in z.filelist:
+               process_file(z, e)
+
+
+if __name__ == '__main__':
+       main(*sys.argv)