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Merge bzr.dev.

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bzrlib/xml6.py
 
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from bzrlib import cache_utf8, inventory, errors, xml5
 
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class Serializer_v6(xml5.Serializer_v5):
 
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    def _append_inventory_root(self, append, inv):
 
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        """Append the inventory root to output."""
 
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        append('<inventory')
 
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        append(' format="6"')
 
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        if inv.revision_id is not None:
 
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            append(' revision_id="')
 
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            append(xml5._encode_and_escape(inv.revision_id))
 
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        append('>\n')
 
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        self._append_entry(append, inv.root)
 
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    def _parent_condition(self, ie):
 
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        return ie.parent_id is not None
 
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    def _unpack_inventory(self, elt):
 
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        """Construct from XML Element"""
 
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        if elt.tag != 'inventory':
 
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            raise errors.UnexpectedInventoryFormat('Root tag is %r' % elt.tag)
 
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        format = elt.get('format')
 
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        if format != '6':
 
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            raise errors.UnexpectedInventoryFormat('Invalid format version %r'
 
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                                                   % format)
 
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        revision_id = elt.get('revision_id')
 
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        if revision_id is not None:
 
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            revision_id = cache_utf8.get_cached_unicode(revision_id)
 
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        inv = inventory.Inventory(root_id=None, revision_id=revision_id)
 
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        for e in elt:
 
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            ie = self._unpack_entry(e, none_parents=True)
 
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            inv.add(ie)
 
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        return inv
 
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serializer_v6 = Serializer_v6()