implement more interfaces

1 files changed, 37 insertions, 0 deletions

diff --git a/src/Tuple.zig b/src/Tuple.zig
new file mode 100644
index 0000000..ceb1711
--- /dev/null
+++ b/src/Tuple.zig
@@ -0,0 +1,37 @@
+
+const c = @import("c");
+const zpy = @import("root.zig");
+const conversion = zpy.conversion;
+
+const Self = @This();
+
+object: zpy.Object,
+
+pub fn new(length: usize) !Self {
+    return .{
+        .object = .fromPtr(try conversion.Ptr(c.PyTuple_New(@intCast(length)))),
+    };
+}
+
+pub fn pack(values: []const zpy.Object) !Self {
+    var tuple = try new(values.len);
+    errdefer tuple.object.decref();
+
+    for (values, 0..) |value, index| {
+        try tuple.set(index, value);
+    }
+
+    return tuple;
+}
+
+pub fn size(self: *const Self) usize {
+    return c.PyTuple_GET_SIZE(self.object.ptr);
+}
+
+pub fn get(self: *Self, index: usize) zpy.Error!zpy.Object {
+    return .fromPtr(conversion.Ptr(c.PyTuple_GetItem(self.object.ptr, @intCast(index))) catch return error.IndexError);
+}
+
+pub fn set(self: *Self, index: usize, value: zpy.Object) zpy.Error!void {
+    conversion.success(c.PyTuple_SetItem(self.object.ptr, @intCast(index), value.ptr)) catch return error.IndexError;
+}