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authorEd Bartosh <ed.bartosh@linux.intel.com>2017-06-13 14:22:01 +0300
committerRichard Purdie <richard.purdie@linuxfoundation.org>2017-06-14 10:18:29 +0100
commit0165f40cbbed9ed1f941590b0aeef3f25fadb60c (patch)
treef8af9fe9db5736fa33268054b68225d1a2e2ee48 /scripts
parentecefd3c55be30a4e77c7bc8a08e2828f47ce46da (diff)
downloadpoky-0165f40cbbed9ed1f941590b0aeef3f25fadb60c.tar.gz
wic: add Disk._prop helper
Added generic helper to use in property methods to access commands in a lazy manner. (From OE-Core rev: 4c1ded3ddbd04ad1640620ec1348831692a93dbe) Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/lib/wic/engine.py15
1 files changed, 10 insertions, 5 deletions
diff --git a/scripts/lib/wic/engine.py b/scripts/lib/wic/engine.py
index f8f2844cf6..e3701c442e 100644
--- a/scripts/lib/wic/engine.py
+++ b/scripts/lib/wic/engine.py
@@ -267,13 +267,18 @@ class Disk:
267 267
268 return self._partitions 268 return self._partitions
269 269
270 def _prop(self, name):
271 """Get path to the executable in a lazy way."""
272 aname = "_%s" % name
273 if getattr(self, aname) is None:
274 setattr(self, aname, find_executable(name, self.paths))
275 if not getattr(self, aname):
276 raise WicError("Can't find executable {}".format(name))
277 return getattr(self, aname)
278
270 @property 279 @property
271 def mdir(self): 280 def mdir(self):
272 if self._mdir is None: 281 return self._prop('mdir')
273 self._mdir = find_executable("mdir", self.paths)
274 if not self._mdir:
275 raise WicError("Can't find executable mdir")
276 return self._mdir
277 282
278 def _get_part_image(self, pnum): 283 def _get_part_image(self, pnum):
279 if pnum not in self.partitions: 284 if pnum not in self.partitions: