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     'ˆÀÏ„[ ¿Í ,í    '#!/usr/bin/python -tt
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Copyright 2006 Duke University

from yum.misc import cElementTree_iterparse as iterparse 
from yum.misc import _available_compression, stat_f
from Errors import RepoMDError

import sys
import types
from misc import AutoFileChecksums, to_xml

def ns_cleanup(qn):
    if qn.find('}') == -1: return qn 
    return qn.split('}')[1]

class RepoData:
    """represents anything beneath a <data> tag"""
    def __init__(self, elem=None):
        self.type = None
        if elem:
            self.type = elem.attrib.get('type')
        self.location = (None, None)
        self.checksum = (None,None) # type,value
        self.openchecksum = (None,None) # type,value
        self.timestamp = None
        self.dbversion = None
        self.size      = None
        self.opensize  = None
        self.deltas    = []

        if elem:
            self.parse(elem)

    def parse(self, elem):
        
        for child in elem:
            child_name = ns_cleanup(child.tag)
            if child_name == 'location':
                relative = child.attrib.get('href')
                base = child.attrib.get('base')
                self.location = (base, relative)
            
            elif child_name == 'checksum':
                csum_value = child.text
                csum_type = child.attrib.get('type')
                self.checksum = (csum_type,csum_value)

            elif child_name == 'open-checksum':
                csum_value = child.text
                csum_type = child.attrib.get('type')
                self.openchecksum = (csum_type, csum_value)
            
            elif child_name == 'timestamp':
                self.timestamp = child.text
            elif child_name == 'database_version':
                self.dbversion = child.text
            elif child_name == 'size':
                self.size = child.text
            elif child_name == 'open-size':
                self.opensize = child.text
            elif child_name == 'delta':
                delta = RepoData(child)
                delta.type = self.type
                self.deltas.append(delta)

    def dump_xml(self):
        msg = ""
        top = """<data type="%s">\n""" % to_xml(self.type, attrib=True)
        msg += top
        
        for (data, xmlname) in [('checksum', 'checksum'),('openchecksum', 'open-checksum')]:
            if hasattr(self, data):
                val = getattr(self, data)
                if val[0]:
                    d_xml = """  <%s type="%s">%s</%s>\n""" % (xmlname,
                                       to_xml(val[0], attrib=True), 
                                       to_xml(val[1]), xmlname)
                    msg += d_xml

        if hasattr(self, 'location'):
            val = getattr(self, 'location')
            if val[1]:
                loc = """  <location href="%s"/>\n""" % to_xml(val[1], attrib=True)
                if val[0]:
                    loc = """  <location xml:base="%s" href="%s"/>\n""" % (
                       to_xml(val[0], attrib=True), to_xml(val[1], attrib=True))
                msg += loc
            
        for (data,xmlname) in [('timestamp', 'timestamp'),
                               ('dbversion', 'database_version'),
                               ('size','size'), ('opensize', 'open-size')]:
            val = getattr(self, data)