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authorPaul Eggleton <paul.eggleton@linux.intel.com>2015-05-18 16:08:34 +0100
committerRichard Purdie <richard.purdie@linuxfoundation.org>2015-05-19 11:58:44 +0100
commit0d9c45289aa121dddeca154b13ce1c0863d0e918 (patch)
treec7caf7a10786de81ccc856e5718a23bc8a4c8491 /bitbake/lib/bb/utils.py
parent40b58b18077ce88eedf3d2d2c034ea543a4e174d (diff)
downloadpoky-0d9c45289aa121dddeca154b13ce1c0863d0e918.tar.gz
bitbake: lib/bb/utils: add function to get layer containing a file
In certain contexts it can be useful to find the layer that a file (e.g. a recipe) appears in. Implements [YOCTO #7723]. (Bitbake rev: 3bf9c8830c5d5eea5502230d5af84ebd87ad5849) Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'bitbake/lib/bb/utils.py')
-rw-r--r--bitbake/lib/bb/utils.py16
1 files changed, 16 insertions, 0 deletions
diff --git a/bitbake/lib/bb/utils.py b/bitbake/lib/bb/utils.py
index c97f3ef81f..1681efd7e5 100644
--- a/bitbake/lib/bb/utils.py
+++ b/bitbake/lib/bb/utils.py
@@ -1097,3 +1097,19 @@ def edit_bblayers_conf(bblayers_conf, add, remove):
1097 1097
1098 return (notadded, notremoved) 1098 return (notadded, notremoved)
1099 1099
1100
1101def get_file_layer(filename, d):
1102 """Determine the collection (as defined by a layer's layer.conf file) containing the specified file"""
1103 collections = (d.getVar('BBFILE_COLLECTIONS', True) or '').split()
1104 collection_res = {}
1105 for collection in collections:
1106 collection_res[collection] = d.getVar('BBFILE_PATTERN_%s' % collection, True) or ''
1107
1108 # Use longest path so we handle nested layers
1109 matchlen = 0
1110 match = None
1111 for collection, regex in collection_res.iteritems():
1112 if len(regex) > matchlen and re.match(regex, filename):
1113 matchlen = len(regex)
1114 match = collection
1115 return match