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author | Chris Larson <chris_larson@mentor.com> | 2010-12-15 11:03:19 -0700 |
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committer | Chris Larson <chris_larson@mentor.com> | 2010-12-15 11:04:04 -0700 |
commit | b8d240902f956b5522710c63609880f29464e30e (patch) | |
tree | 1bfa60a9f82a79eb7c9a23fedb8d452d1d9dbf99 /lib | |
parent | 1f24b55ee246de850dbc74cb41b5b546b26cde6c (diff) | |
download | openembedded-b8d240902f956b5522710c63609880f29464e30e.tar.gz |
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')
-rw-r--r-- | lib/oe/utils.py | 12 |
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) |