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bzrlib/xml4.py
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        e.set('file_id', ie.file_id)
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        e.set('kind', ie.kind)
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        if ie.text_size != None:
 
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        if ie.text_size is not None:
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            e.set('text_size', '%d' % ie.text_size)
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        for f in ['text_id', 'text_sha1', 'symlink_target']:
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            v = getattr(ie, f)
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            if v != None:
 
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            if v is not None:
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                e.set(f, v)
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        # to be conservative, we don't externalize the root pointers
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        ## nodes in the root directory, but it's cleaner to use one
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        ## internally.
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        parent_id = elt.get('parent_id')
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        if parent_id == None:
 
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        if parent_id is None:
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            parent_id = ROOT_ID
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        kind = elt.get('kind')