X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=tools%2Fmisc.py;h=2c785482e5a9e1da735a4d05c3b75ec41b78493b;hb=74cf9d437ac242f610b17d388d3728b36afb4f64;hp=110c370a74500672c1749dbaf4bb4b9f7c115ae8;hpb=30a3414a97f6bbcae73a936f658b639296fcdf98;p=matthijs%2Fprojects%2Fxerxes.git

diff --git a/tools/misc.py b/tools/misc.py
index 110c370..2c78548 100644
--- a/tools/misc.py
+++ b/tools/misc.py
@@ -13,3 +13,30 @@ def make_iter(value):
         except TypeError:
             pass
     return [value]
+# vim: set sts=4 sw=4 expandtab:
+
+"""
+Decarator that catches any exception raised by the decorated function,
+prints it to stdout and raises it again.
+"""
+def log_error(func):
+    def show(*args, **kwargs):
+        try:
+            return func(*args, **kwargs)
+        except Exception, e:
+            import traceback
+            traceback.print_exc()
+            raise e
+    return show
+
+def make_choices(objects):
+    """
+    Transforms a list (or iteratable) of model objects to a list
+    suitable to be used as a list of choices in form widgets like
+    Select.
+
+    This fullfills a similar (but simpler) function as
+    django.forms.models.ModelChoiceIterator, but that one requires a
+    FormField and is not public.
+    """
+    return [(o.pk, o) for o in objects]