From 46b939721fd82edb2aa9d71f9f3faeea86856a6d Mon Sep 17 00:00:00 2001
From: ZapAnton <wc3ft2@gmail.com>
Date: Sun, 3 Feb 2019 01:51:47 +0300
Subject: [PATCH] str: Added the isdecimal method

---
 vm/src/obj/objstr.rs | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/vm/src/obj/objstr.rs b/vm/src/obj/objstr.rs
index 707ce42ba..3887a3f33 100644
--- a/vm/src/obj/objstr.rs
+++ b/vm/src/obj/objstr.rs
@@ -53,6 +53,7 @@ pub fn init(context: &PyContext) {
     context.set_attr(&str_type, "isalnum", context.new_rustfunc(str_isalnum));
     context.set_attr(&str_type, "isnumeric", context.new_rustfunc(str_isnumeric));
     context.set_attr(&str_type, "isdigit", context.new_rustfunc(str_isdigit));
+    context.set_attr(&str_type, "isdecimal", context.new_rustfunc(str_isdecimal));
     context.set_attr(&str_type, "title", context.new_rustfunc(str_title));
     context.set_attr(&str_type, "swapcase", context.new_rustfunc(str_swapcase));
     context.set_attr(&str_type, "isalpha", context.new_rustfunc(str_isalpha));
@@ -938,6 +939,20 @@ fn str_isdigit(vm: &mut VirtualMachine, args: PyFuncArgs) -> PyResult {
     Ok(vm.ctx.new_bool(is_digit))
 }
 
+fn str_isdecimal(vm: &mut VirtualMachine, args: PyFuncArgs) -> PyResult {
+    arg_check!(vm, args, required = [(s, Some(vm.ctx.str_type()))]);
+
+    let value = get_value(&s);
+
+    let is_decimal = if !value.is_empty() {
+        value.chars().all(|c| c.is_ascii_digit())
+    } else {
+        false
+    };
+
+    Ok(vm.ctx.new_bool(is_decimal))
+}
+
 fn str_getitem(vm: &mut VirtualMachine, args: PyFuncArgs) -> PyResult {
     arg_check!(
         vm,