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Viewing changes to tools/riodemo.py

[merge] remove basic_io; merge rio format

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tools/riodemo.py
 
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# \subsection{Example usage}
 
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# 
 
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# \textbf{XXX:} Move these to object serialization code. 
 
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def write_revision(writer, revision):
 
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    s = Stanza(revision=revision.revision_id,
 
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               committer=revision.committer, 
 
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               timezone=long(revision.timezone),
 
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               timestamp=long(revision.timestamp),
 
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               inventory_sha1=revision.inventory_sha1,
 
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               message=revision.message)
 
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    for parent_id in revision.parent_ids:
 
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        s.add('parent', parent_id)
 
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    for prop_name, prop_value in revision.properties.items():
 
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        s.add(prop_name, prop_value)
 
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    writer.write_stanza(s)
 
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def write_inventory(writer, inventory):
 
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    s = Stanza(inventory_version=7)
 
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    writer.write_stanza(s)
 
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    for path, ie in inventory.iter_entries():
 
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        s = Stanza()
 
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        s.add(ie.kind, ie.file_id)
 
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        for attr in ['name', 'parent_id', 'revision', \
 
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                     'text_sha1', 'text_size', 'executable', \
 
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                     'symlink_target', \
 
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                     ]:
 
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            attr_val = getattr(ie, attr, None)
 
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            if attr == 'executable' and attr_val == 0:
 
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                continue
 
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            if attr == 'parent_id' and attr_val == 'TREE_ROOT':
 
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                continue
 
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            if attr_val is not None:
 
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                s.add(attr, attr_val)
 
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        writer.write_stanza(s)
 
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def read_inventory(inv_file):
 
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    """Read inventory object from rio formatted inventory file"""
 
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    from bzrlib.inventory import Inventory, InventoryFile
 
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    s = read_stanza(inv_file)
 
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    assert s['inventory_version'] == 7
 
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    inv = Inventory()
 
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    for s in read_stanzas(inv_file):
 
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        kind, file_id = s.items[0]
 
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        parent_id = None
 
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        if 'parent_id' in s:
 
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            parent_id = s['parent_id']
 
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        if kind == 'file':
 
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            ie = InventoryFile(file_id, s['name'], parent_id)
 
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            ie.text_sha1 = s['text_sha1']
 
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            ie.text_size = s['text_size']
 
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        else:
 
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            raise NotImplementedError()
 
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        inv.add(ie)
 
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    return inv