opkg-utils/makePackage

#!/usr/bin/python

# The general algorithm this program follows goes like this:
#   Run tar to extract control from control.tar.gz from the package.
#   Insert the filename, size, and md5 lines before the description.
# Call it like this:
#  find . -name \*.opk | xargs -n 1 makePackage > Packages

import sys
import opkg

fn = sys.argv[1]
pkg = opkg.Package(fn)
print(pkg)