Allow unknown keyword arguments to the Extension class, and warn about them.
diff --git a/Lib/distutils/extension.py b/Lib/distutils/extension.py
index 7fbeb4e..9dc316a 100644
--- a/Lib/distutils/extension.py
+++ b/Lib/distutils/extension.py
@@ -10,6 +10,10 @@
import os, string
from types import *
+try:
+ import warnings
+except ImportError:
+ warnings = None
# This class is really only used by the "build_ext" command, so it might
# make sense to put it in distutils.command.build_ext. However, that
@@ -93,8 +97,8 @@
export_symbols=None,
depends=None,
language=None,
+ **kw # To catch unknown keywords
):
-
assert type(name) is StringType, "'name' must be a string"
assert (type(sources) is ListType and
map(type, sources) == [StringType]*len(sources)), \
@@ -115,6 +119,15 @@
self.depends = depends or []
self.language = language
+ # If there are unknown keyword options, warn about them
+ if len(kw):
+ L = kw.keys() ; L.sort()
+ L = map(repr, L)
+ msg = "Unknown Extension options: " + string.join(L, ', ')
+ if warnings is not None:
+ warnings.warn(msg)
+ else:
+ sys.stderr.write(msg + '\n')
# class Extension