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Support __complex__ method on instances, for complex() conversion.

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Keep gcc -Wall happy.
This commit is contained in:
Guido van Rossum 1996-12-05 23:18:18 +00:00
parent 150b2df682
commit ed0af8fe70
1 changed files with 23 additions and 1 deletions
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24
Python/bltinmodule.c
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@ -308,6 +308,28 @@ builtin_complex(self, args)
"complex() argument can't be converted to complex");
return NULL;
}
/* XXX Hack to support classes with __complex__ method */
if (is_instanceobject(r)) {
static object *complexstr;
object *f;
if (complexstr == NULL) {
complexstr = newstringobject("__complex__");
if (complexstr == NULL)
return NULL;
}
f = getattro(r, complexstr);
if (f == NULL)
err_clear();
else {
object *args = mkvalue("()");
if (args == NULL)
return NULL;
r = call_object(f, args);
DECREF(args);
if (r == NULL)
return NULL;
}
}
if (is_complexobject(r))
cr = ((complexobject*)r)->cval;
else {
@ -632,7 +654,7 @@ builtin_map(self, args)
/* XXX Special case map(None, single_list) could be more efficient */
for (i = 0; ; ++i) {
object *alist, *item, *value;
object *alist, *item=NULL, *value;
int any = 0;
if (func == None && n == 1)