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  • Committer: Martin Pool
  • Date: 2005-05-10 08:15:58 UTC
  • Revision ID: mbp@sourcefrog.net-20050510081558-9a38e2c46ba4ebc4
- Patch from Fredrik Lundh to check Python version and 
  try to find a better one if it's too old.

  Patched to try to prevent infinite loops in wierd configurations,
  and to log to stderr.

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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()