#!/usr/bin/env python

# Copyright (C) 2004 Eric Olinger, http://evvl.rustedhalo.net
# Distributed under the terms of the GNU General Public License, v2 or later
# Author : Eric Olinger <EvvL AT RustedHalo DOT net>

# I changed stuff. solar@gentoo.org


import os,sys,portage
import string 
from stat import *
from output import *
from xml.sax import saxutils, make_parser, handler
from xml.sax.handler import feature_namespaces

nocolor()

version="0.2.3"

def usage(code):
	"""Prints the uage information for this script"""
	print green("metadata v" + version + "\n")
	print "Usage: metadata [package-cat/]package"
	sys.exit(code)


class Metadata_XML(handler.ContentHandler):
	_inside_herd="No"
	_inside_maintainer="No"
	_inside_email="No"
	_inside_longdescription="No"

	_herd = ""
	_maintainers = []
	_longdescription = ""

	def startElement(self, tag, attr):
		if tag == "herd": self._inside_herd="Yes"
		if tag == "longdescription": self._inside_longdescription="Yes"
		if tag == "maintainer": self._inside_maintainer="Yes"
		if tag == "email": self._inside_email="Yes"

	def endElement(self, tag):
		if tag == "herd": self._inside_herd="No"
		if tag == "longdescription": self._inside_longdescription="No"
		if tag == "maintainer": self._inside_maintainer="No"
		if tag == "email": self._inside_email="No"

	def characters(self, contents):
		if self._inside_herd == "Yes": self._herd = contents
		if self._inside_longdescription == "Yes": self._longdescription = contents
		if self._inside_maintainer=="Yes" and self._inside_email=="Yes": self._maintainers.append(contents)

def check_metadata(full_package):
	"""Checks that the primary maintainer is still an active dev and list the hed the package belongs to"""
	metadata_file=portage.settings["PORTDIR"] + "/" + portage.pkgsplit(full_package)[0] + "/metadata.xml"
	if not os.path.exists(metadata_file):
		print darkgreen(" Maintainer: ") + red("Error (Missing metadata.xml)")
		return 1


	parser = make_parser()
	handler = Metadata_XML()
	handler._maintainers = []
	parser.setContentHandler(handler)
	parser.parse( metadata_file )

	ret = ""
	if len(handler._herd) < 1:
		ret = darkgreen(" Herd: ") + red("Error (No Herd)")
		return ret
	else:
		ret = darkgreen(" Herd: ") + handler._herd

	if len(handler._maintainers) < 1:
		ret += darkgreen(" Maintainer: ") + handler._herd
	else:
		ret += darkgreen(" Maintainer: ") + ", ".join(handler._maintainers)

	if len(handler._longdescription) > 1:
		ret += darkgreen(" Description: ") + handler._longdescription
	return ret

def main ():
	if len( sys.argv ) < 2:
		usage( 1 )

	for pkg in sys.argv[1:]:
		package_list = portage.portdb.xmatch("match-all", pkg)
		print(darkgreen("Package: ") + portage.pkgsplit(package_list[0])[0] + " " + check_metadata(package_list[0]))

if __name__ == '__main__':
	main()