...

python/builtins.py

@@ -104,7 +104,8 @@ def sorted(iterable, reverse=False, key=None):
     return a
 
 ##### str #####
-def __f(self, sep):
+def __f(self, sep=None):
+    sep = sep or ' '
     if sep == "":
         return list(self)
     res = []
@@ -130,6 +131,22 @@ def __f(self, *args):
     return self
 str.format = __f
 
+def __f(self, chars=None):
+    chars = chars or ' \t\n\r'
+    i = 0
+    while i < len(self) and self[i] in chars:
+        ++i
+    return self[i:]
+str.lstrip = __f
+
+def __f(self, chars=None):
+    chars = chars or ' \t\n\r'
+    j = len(self) - 1
+    while j >= 0 and self[j] in chars:
+        --j
+    return self[:j+1]
+str.rstrip = __f
+
 def __f(self, chars=None):
     chars = chars or ' \t\n\r'
     i = 0
@@ -169,8 +186,37 @@ def __f(self, reverse=False, key=None):
         self.reverse()
 list.sort = __f
 
-def staticmethod(f):
-    return f    # no effect
+def __f(self, other):
+    for i, j in zip(self, other):
+        if i != j:
+            return i < j
+    return len(self) < len(other)
+tuple.__lt__ = __f
+list.__lt__ = __f
+
+def __f(self, other):
+    for i, j in zip(self, other):
+        if i != j:
+            return i > j
+    return len(self) > len(other)
+tuple.__gt__ = __f
+list.__gt__ = __f
+
+def __f(self, other):
+    for i, j in zip(self, other):
+        if i != j:
+            return i <= j
+    return len(self) <= len(other)
+tuple.__le__ = __f
+list.__le__ = __f
+
+def __f(self, other):
+    for i, j in zip(self, other):
+        if i != j:
+            return i >= j
+    return len(self) >= len(other)
+tuple.__ge__ = __f
+list.__ge__ = __f
 
 type.__repr__ = lambda self: "<class '" + self.__name__ + "'>"
 

python/collections.py

@@ -81,3 +81,39 @@ def Counter(iterable):
         else:
             a[x] = 1
     return a
+
+class defaultdict:
+    def __init__(self, default_factory) -> None:
+        self.default_factory = default_factory
+        self._a = {}
+
+    def __getitem__(self, key):
+        if key not in self._a:
+            self._a[key] = self.default_factory()
+        return self._a[key]
+        
+    def __setitem__(self, key, value):
+        self._a[key] = value
+
+    def __repr__(self) -> str:
+        return f"defaultdict({self.default_factory}, {self._a})"
+    
+    def __eq__(self, __o: object) -> bool:
+        if not isinstance(__o, defaultdict):
+            return False
+        if self.default_factory != __o.default_factory:
+            return False
+        return self._a == __o._a
+    
+    def __len__(self):
+        return len(self._a)
+
+    def keys(self):
+        return self._a.keys()
+    
+    def values(self):
+        return self._a.values()
+    
+    def items(self):
+        return self._a.items()
+

src/compiler.h

@@ -856,8 +856,10 @@ __SUBSCR_END:
         consume(TK("@id"));
         int namei = StrName(prev().str()).index;
         int super_namei = -1;
-        if(match(TK("(")) && match(TK("@id"))){
-            super_namei = StrName(prev().str()).index;
+        if(match(TK("("))){
+            if(match(TK("@id"))){
+                super_namei = StrName(prev().str()).index;
+            }
             consume(TK(")"));
         }
         if(super_namei == -1) ctx()->emit(OP_LOAD_NONE, BC_NOARG, prev().line);

src/main.cpp

@@ -7,10 +7,11 @@
 
 int main(int argc, char** argv){
     pkpy::VM* vm = pkpy_new_vm();
-    vm->bind_builtin_func<0>("input", [](pkpy::VM* vm, pkpy::ArgsView args){
+    pkpy::PyObject* input_f = vm->bind_builtin_func<0>("input", [](pkpy::VM* vm, pkpy::ArgsView args){
         // pkpy::getline() has bugs for PIPE input on Windows
         return VAR(pkpy::getline());
     });
+    vm->_modules["sys"]->attr("stdin")->attr().set("readline", input_f);
     if(argc == 1){
         pkpy::REPL* repl = pkpy_new_repl(vm);
         bool need_more_lines = false;

src/pocketpy.h

@@ -104,6 +104,10 @@ inline void init_builtins(VM* _vm) {
         return VAR_T(VoidP, obj);
     });
 
+    _vm->bind_builtin_func<1>("staticmethod", [](VM* vm, ArgsView args) {
+        return args[0];
+    });
+
     _vm->bind_builtin_func<1>("__import__", [](VM* vm, ArgsView args) {
         return vm->py_import(CAST(Str&, args[0]));
     });
@@ -1110,8 +1114,10 @@ inline void add_module_sys(VM* vm){
 
     PyObject* stdout_ = vm->heap.gcnew<DummyInstance>(vm->tp_object, {});
     PyObject* stderr_ = vm->heap.gcnew<DummyInstance>(vm->tp_object, {});
+    PyObject* stdin_ = vm->heap.gcnew<DummyInstance>(vm->tp_object, {});
     vm->setattr(mod, "stdout", stdout_);
     vm->setattr(mod, "stderr", stderr_);
+    vm->setattr(mod, "stdin", stdin_);
 
     vm->bind_func<1>(stdout_, "write", [](VM* vm, ArgsView args) {
         vm->_stdout(vm, CAST(Str&, args[0]));