#!/usr/bin/env python

from __future__ import print_function
import sys, os


path = os.environ.get('CALIBRE_PYTHON_PATH', '/usr/lib/calibre')
if path not in sys.path:
    sys.path.insert(0, path)

sys.resources_location = os.environ.get('CALIBRE_RESOURCES_PATH', '/usr/share/calibre')
sys.extensions_location = os.environ.get('CALIBRE_EXTENSIONS_PATH', '/usr/lib/calibre/calibre/plugins')
sys.executables_location = os.environ.get('CALIBRE_EXECUTABLES_PATH', '/usr/bin')

from calibre_plugins import dedrm


def decrypt(input_filename, output_filename):
	plugin = dedrm.DeDRM('DeDRM_calibre_plugin/DeDRM_plugin.zip')
	plugin.initialize()

	os.rename(plugin.run(input_filename), output_filename)


if __name__ == '__main__':
	try:
		decrypt(sys.argv[1], sys.argv[2])
	except IndexError:
		print(
			'Usage:',
			sys.argv[0],
			'<input filename>',
			'<output_filename>',
			File=sys.stderr)