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-rw-r--r--lib/spack/llnl/util/lang.py28
1 files changed, 22 insertions, 6 deletions
diff --git a/lib/spack/llnl/util/lang.py b/lib/spack/llnl/util/lang.py
index 332367f537..9e1bef18ca 100644
--- a/lib/spack/llnl/util/lang.py
+++ b/lib/spack/llnl/util/lang.py
@@ -126,22 +126,20 @@ def caller_locals():
del stack
-def get_calling_package_name():
+def get_calling_module_name():
"""Make sure that the caller is a class definition, and return the
- module's name.
+ enclosing module's name.
"""
stack = inspect.stack()
try:
- # get calling function name (the relation)
- relation = stack[1][3]
-
# Make sure locals contain __module__
caller_locals = stack[2][0].f_locals
finally:
del stack
if not '__module__' in caller_locals:
- raise ScopeError(relation)
+ raise RuntimeError("Must invoke get_calling_module_name() "
+ "from inside a class definition!")
module_name = caller_locals['__module__']
base_name = module_name.split('.')[-1]
@@ -322,6 +320,24 @@ def match_predicate(*args):
return match
+
+def DictWrapper(dictionary):
+ """Returns a class that wraps a dictionary and enables it to be used
+ like an object."""
+ class wrapper(object):
+ def __getattr__(self, name): return dictionary[name]
+ def __setattr__(self, name, value): dictionary[name] = value
+ def setdefault(self, *args): return dictionary.setdefault(*args)
+ def get(self, *args): return dictionary.get(*args)
+ def keys(self): return dictionary.keys()
+ def values(self): return dictionary.values()
+ def items(self): return dictionary.items()
+ def __iter__(self): return iter(dictionary)
+
+
+ return wrapper()
+
+
class RequiredAttributeError(ValueError):
def __init__(self, message):
super(RequiredAttributeError, self).__init__(message)