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https://github.com/brain-hackers/u-boot-brain
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58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
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# SPDX-License-Identifier: GPL-2.0+
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# Copyright (c) 2018 Google, Inc
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# Written by Simon Glass <sjg@chromium.org>
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#
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# Entry-type module for a set of files which are placed in individual
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# sub-entries
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#
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import glob
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import os
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from section import Entry_section
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import fdt_util
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import state
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import tools
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import bsection
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class Entry_files(Entry_section):
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"""Entry containing a set of files
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Properties / Entry arguments:
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- pattern: Filename pattern to match the files to include
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- compress: Compression algorithm to use:
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none: No compression
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lz4: Use lz4 compression (via 'lz4' command-line utility)
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This entry reads a number of files and places each in a separate sub-entry
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within this entry. To access these you need to enable device-tree updates
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at run-time so you can obtain the file positions.
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"""
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def __init__(self, section, etype, node):
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Entry_section.__init__(self, section, etype, node)
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self._pattern = fdt_util.GetString(self._node, 'pattern')
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if not self._pattern:
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self.Raise("Missing 'pattern' property")
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self._compress = fdt_util.GetString(self._node, 'compress', 'none')
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self._require_matches = fdt_util.GetBool(self._node,
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'require-matches')
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def ExpandEntries(self):
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files = tools.GetInputFilenameGlob(self._pattern)
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if self._require_matches and not files:
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self.Raise("Pattern '%s' matched no files" % self._pattern)
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for fname in files:
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if not os.path.isfile(fname):
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continue
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name = os.path.basename(fname)
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subnode = self._node.FindNode(name)
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if not subnode:
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subnode = state.AddSubnode(self._node, name)
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state.AddString(subnode, 'type', 'blob')
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state.AddString(subnode, 'filename', fname)
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state.AddString(subnode, 'compress', self._compress)
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# Read entries again, now that we have some
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self._section._ReadEntries()
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