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pylibfdt: add FdtRo.get_path()

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Add a new Python method wrapping fdt_get_path() from the C API.

Also add a test for the new method.

Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Message-Id: <20220419194537.63170-1-luca@z3ntu.xyz>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Luca Weiss 2022-04-19 21:45:38 +02:00 • committed by David Gibson
parent c001fc01a4
commit ed310803ea
2 changed files with 41 additions and 0 deletions
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13
tests/pylibfdt_tests.py
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@ -348,6 +348,19 @@ class PyLibfdtBasicTests(unittest.TestCase):
self.assertEqual("/subnode@1/subsubnode", self.fdt3.get_alias('ss1'))
self.assertEqual("/subnode@1/subsubnode/subsubsubnode", self.fdt3.get_alias('sss1'))
def testGetPath(self):
"""Test for the get_path() method"""
node = self.fdt.path_offset('/subnode@1')
node2 = self.fdt.path_offset('/subnode@1/subsubnode')
self.assertEqual("/subnode@1", self.fdt.get_path(node))
self.assertEqual("/subnode@1/subsubnode", self.fdt.get_path(node2))
with self.assertRaises(FdtException) as e:
self.fdt.get_path(-1)
self.assertEqual(e.exception.err, -libfdt.BADOFFSET)
self.assertEqual(-libfdt.BADOFFSET, self.fdt.get_path(-1, quiet=(libfdt.BADOFFSET,)))
def testParentOffset(self):
"""Test for the parent_offset() method"""
self.assertEqual(-libfdt.NOTFOUND,