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authorChris Larson <chris_larson@mentor.com>2010-12-15 11:03:19 -0700
committerChris Larson <chris_larson@mentor.com>2010-12-15 11:04:04 -0700
commitb8d240902f956b5522710c63609880f29464e30e (patch)
tree1bfa60a9f82a79eb7c9a23fedb8d452d1d9dbf99 /lib/oe
parent1f24b55ee246de850dbc74cb41b5b546b26cde6c (diff)
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oe.utils: add 'inherits' function
This is simply a more convenient form of bb.data.inherits_class, as it can accept any number of classes, and will return True if it inherits any of them. This is similar to how isinstance() behaves. Signed-off-by: Chris Larson <chris_larson@mentor.com>
Diffstat (limited to 'lib/oe')
-rw-r--r--lib/oe/utils.py12
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/oe/utils.py b/lib/oe/utils.py
index 2169ed212e..f7d2946a6a 100644
--- a/lib/oe/utils.py
+++ b/lib/oe/utils.py
@@ -1,3 +1,5 @@
+import bb.data
+
def uniq(iterable):
seen = set()
for i in iterable:
@@ -7,8 +9,8 @@ def uniq(iterable):
def read_file(filename):
try:
- f = file( filename, "r" )
- except IOError, reason:
+ f = file(filename, "r")
+ except IOError:
return "" # WARNING: can't raise an error now because of the new RDEPENDS handling. This is a bit ugly. :M:
else:
return f.read().strip()
@@ -60,7 +62,7 @@ def both_contain(variable1, variable2, checkvalue, d):
return ""
def prune_suffix(var, suffixes, d):
- # See if var ends with any of the suffixes listed and
+ # See if var ends with any of the suffixes listed and
# remove it if found
for suffix in suffixes:
if var.endswith(suffix):
@@ -85,3 +87,7 @@ def param_bool(cfg, field, dflt = None):
elif strvalue in ('no', 'n', 'false', 'f', '0'):
return False
raise ValueError("invalid value for boolean parameter '%s': '%s'" % (field, value))
+
+def inherits(d, *classes):
+ """Return True if the metadata inherits any of the specified classes"""
+ return any(bb.data.inherits_class(cls, d) for cls in classes)