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# SPDX-License-Identifier: GPL-2.0+
# Copyright (c) 2018 Google, Inc
# Written by Simon Glass <sjg@chromium.org>
#
# Entry-type module for a blob where the filename comes from a property in the
# node or an entry argument. The property is called '<blob_fname>-path' where
# <blob_fname> is provided by the subclass using this entry type.
from collections import OrderedDict
from binman.etype.blob import Entry_blob
from binman.entry import EntryArg
class Entry_blob_named_by_arg(Entry_blob):
"""A blob entry which gets its filename property from its subclass
Properties / Entry arguments:
- <xxx>-path: Filename containing the contents of this entry (optional,
defaults to None)
where <xxx> is the blob_fname argument to the constructor.
This entry cannot be used directly. Instead, it is used as a parent class
for another entry, which defined blob_fname. This parameter is used to
set the entry-arg or property containing the filename. The entry-arg or
property is in turn used to set the actual filename.
See cros_ec_rw for an example of this.
"""
def __init__(self, section, etype, node, blob_fname, required=False):
super().__init__(section, etype, node)
filename, = self.GetEntryArgsOrProps(
[EntryArg('%s-path' % blob_fname, str)], required=required)
if filename:
self._filename = filename
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