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authorGuido van Rossum <guido@python.org>1996-04-09 02:41:06 (GMT)
committerGuido van Rossum <guido@python.org>1996-04-09 02:41:06 (GMT)
commitd17057745c1dc58ec6e245991fd049fd987c6895 (patch)
tree6e0115e284ab8417a1a7fc04cc36b04605b19624
parenta5a3db70d445b0cf9064c76d9946dcde18fb775e (diff)
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Add list() method, analogous to tuple().
-rw-r--r--Python/bltinmodule.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 9f528de..a09cd6f 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -845,6 +845,41 @@ builtin_len(self, args)
}
static object *
+builtin_list(self, args)
+ object *self;
+ object *args;
+{
+ object *v;
+ sequence_methods *sqf;
+
+ if (!newgetargs(args, "O:list", &v))
+ return NULL;
+ if ((sqf = v->ob_type->tp_as_sequence) != NULL) {
+ int n = (*sqf->sq_length)(v);
+ int i;
+ object *l;
+ if (n < 0)
+ return NULL;
+ l = newlistobject(n);
+ if (l == NULL)
+ return NULL;
+ for (i = 0; i < n; i++) {
+ object *item = (*sqf->sq_item)(v, i);
+ if (item == NULL) {
+ DECREF(l);
+ l = NULL;
+ break;
+ }
+ setlistitem(l, i, item);
+ }
+ /* XXX Should support indefinite-length sequences */
+ return l;
+ }
+ err_setstr(TypeError, "list() argument must be a sequence");
+ return NULL;
+}
+
+static object *
builtin_locals(self, args)
object *self;
object *args;
@@ -1462,6 +1497,7 @@ static struct methodlist builtin_methods[] = {
{"input", builtin_input, 1},
{"int", builtin_int, 1},
{"len", builtin_len, 1},
+ {"list", builtin_list, 1},
{"locals", builtin_locals, 1},
{"long", builtin_long, 1},
{"map", builtin_map, 1},