/brz/remove-bazaar

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  • Committer: John Arbash Meinel
  • Date: 2008-09-02 17:52:00 UTC
  • mto: This revision was merged to the branch mainline in revision 3679.
  • Revision ID: john@arbash-meinel.com-20080902175200-nge9qgk0gklkd5ew
Move the point at which we 'buffer_all' if we've read >50% of the index.

We were doing it as soon as you entered 'iter_entries', but often you may already have enough
info to return results. And for small mostly local ops, we don't need to buffer all.
(This happens mostly with moderate size indexes, where the first read of the header
is enough to give you the data you need, but happens to be >50% of the whole file.)

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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