upgrade to v2.0.7

.github/workflows/main.yml

@@ -96,13 +96,14 @@ jobs:
       - name: Build and Test
         run: |
           uname -m
+          python -c "import struct; print(8 * struct.calcsize('P'))"
 
-          python cmake_build.py Debug
-          # gdb_commands.txt
-          echo "run" > gdb_commands.txt
-          echo "backtrace" >> gdb_commands.txt
-          echo "quit" >> gdb_commands.txt
-          gdb -batch -x gdb_commands.txt --args ./main tests/77_builtin_func_1.py
+          # python cmake_build.py Debug
+          # # gdb_commands.txt
+          # echo "run" > gdb_commands.txt
+          # echo "backtrace" >> gdb_commands.txt
+          # echo "quit" >> gdb_commands.txt
+          # gdb -batch -x gdb_commands.txt --args ./main tests/77_builtin_func_1.py
 
           python cmake_build.py
           python scripts/run_tests.py

build_g.sh

@@ -1,6 +1,6 @@
 set -e
 
-python prebuild.py
+# python prebuild.py
 
 SRC=$(find src/ -name "*.c")
 

build_g_32.sh

@@ -1,10 +1,10 @@
 set -e
 
-python prebuild.py
+# python prebuild.py
 
 SRC=$(find src/ -name "*.c")
 
-FLAGS="-std=c11 -lm -ldl -I3rd/lz4 -Iinclude -O0 -Wfatal-errors -g -DDEBUG -DPK_ENABLE_OS=1 -DPK_BUILD_MODULE_LZ4"
+FLAGS="-std=c11 -lm -ldl -Iinclude -O0 -Wfatal-errors -g -DDEBUG -DPK_ENABLE_OS=1"
 
 SANITIZE_FLAGS="-fsanitize=address,leak,undefined"
 
@@ -13,5 +13,5 @@ if [ "$(uname)" == "Darwin" ]; then
 fi
 
 echo "Compiling C files..."
-gcc -m32 $FLAGS $SANITIZE_FLAGS $SRC src2/main.c 3rd/lz4/lz4libs/lz4.c -o main
+gcc -m32 $FLAGS $SANITIZE_FLAGS $SRC src2/main.c -o main
 

docs/retype.yml

@@ -3,7 +3,7 @@ output: .retype
 url: https://pocketpy.dev
 branding:
   title: pocketpy
-  label: v2.0.6
+  label: v2.0.7
   logo: "./static/logo.png"
 favicon: "./static/logo.png"
 meta:

include/pocketpy/xmacros/magics.h

@@ -8,8 +8,6 @@ MAGIC_METHOD(__ge__)
 /////////////////////////////
 MAGIC_METHOD(__neg__)
 MAGIC_METHOD(__abs__)
-MAGIC_METHOD(__float__)
-MAGIC_METHOD(__int__)
 MAGIC_METHOD(__round__)
 MAGIC_METHOD(__divmod__)
 /////////////////////////////

plugins/flutter/pocketpy/lib/pocketpy_bindings_generated.dart

@@ -103,15 +103,6 @@ class PocketpyBindings {
   late final _py_setvmctx =
       _py_setvmctxPtr.asFunction<void Function(ffi.Pointer<ffi.Void>)>();
 
-  /// Interrupt the current VM and raise a `KeyboardInterrupt` exception.
-  void py_interrupt() {
-    return _py_interrupt();
-  }
-
-  late final _py_interruptPtr =
-      _lookup<ffi.NativeFunction<ffi.Void Function()>>('py_interrupt');
-  late final _py_interrupt = _py_interruptPtr.asFunction<void Function()>();
-
   /// Set `sys.argv`. Used for storing command-line arguments.
   void py_sys_setargv(
     int argc,
@@ -130,6 +121,21 @@ class PocketpyBindings {
   late final _py_sys_setargv = _py_sys_setargvPtr
       .asFunction<void Function(int, ffi.Pointer<ffi.Pointer<ffi.Char>>)>();
 
+  /// Set the trace function for the current VM.
+  void py_sys_settrace(
+    py_TraceFunc func,
+  ) {
+    return _py_sys_settrace(
+      func,
+    );
+  }
+
+  late final _py_sys_settracePtr =
+      _lookup<ffi.NativeFunction<ffi.Void Function(py_TraceFunc)>>(
+          'py_sys_settrace');
+  late final _py_sys_settrace =
+      _py_sys_settracePtr.asFunction<void Function(py_TraceFunc)>();
+
   /// Setup the callbacks for the current VM.
   ffi.Pointer<py_Callbacks> py_callbacks() {
     return _py_callbacks();
@@ -141,6 +147,41 @@ class PocketpyBindings {
   late final _py_callbacks =
       _py_callbacksPtr.asFunction<ffi.Pointer<py_Callbacks> Function()>();
 
+  /// Get the current source location of the frame.
+  ffi.Pointer<ffi.Char> py_Frame_sourceloc(
+    ffi.Pointer<py_Frame> frame,
+    ffi.Pointer<ffi.Int> lineno,
+  ) {
+    return _py_Frame_sourceloc(
+      frame,
+      lineno,
+    );
+  }
+
+  late final _py_Frame_sourcelocPtr = _lookup<
+      ffi.NativeFunction<
+          ffi.Pointer<ffi.Char> Function(ffi.Pointer<py_Frame>,
+              ffi.Pointer<ffi.Int>)>>('py_Frame_sourceloc');
+  late final _py_Frame_sourceloc = _py_Frame_sourcelocPtr.asFunction<
+      ffi.Pointer<ffi.Char> Function(
+          ffi.Pointer<py_Frame>, ffi.Pointer<ffi.Int>)>();
+
+  /// Get the function object of the frame.
+  /// Returns `NULL` if not available.
+  py_StackRef py_Frame_function(
+    ffi.Pointer<py_Frame> frame,
+  ) {
+    return _py_Frame_function(
+      frame,
+    );
+  }
+
+  late final _py_Frame_functionPtr =
+      _lookup<ffi.NativeFunction<py_StackRef Function(ffi.Pointer<py_Frame>)>>(
+          'py_Frame_function');
+  late final _py_Frame_function = _py_Frame_functionPtr
+      .asFunction<py_StackRef Function(ffi.Pointer<py_Frame>)>();
+
   /// Run a source string.
   /// @param source source string.
   /// @param filename filename (for error messages).
@@ -1474,6 +1515,18 @@ class PocketpyBindings {
   late final _py_inspect_currentmodule =
       _py_inspect_currentmodulePtr.asFunction<py_GlobalRef Function()>();
 
+  /// Get the current frame object.
+  /// Return `NULL` if not available.
+  ffi.Pointer<py_Frame> py_inspect_currentframe() {
+    return _py_inspect_currentframe();
+  }
+
+  late final _py_inspect_currentframePtr =
+      _lookup<ffi.NativeFunction<ffi.Pointer<py_Frame> Function()>>(
+          'py_inspect_currentframe');
+  late final _py_inspect_currentframe = _py_inspect_currentframePtr
+      .asFunction<ffi.Pointer<py_Frame> Function()>();
+
   /// Bind a function to the object via "decl-based" style.
   /// @param obj the target object.
   /// @param sig signature of the function. e.g. `add(x, y)`.
@@ -1828,9 +1881,10 @@ class PocketpyBindings {
       _py_pushmethodPtr.asFunction<bool Function(int)>();
 
   /// Call a callable object via pocketpy's calling convention.
-  /// You need to prepare the stack using this form: `callable, self/nil, arg1, arg2, ..., k1, v1, k2, v2, ...`
+  /// You need to prepare the stack using the following format:
+  /// `callable, self/nil, arg1, arg2, ..., k1, v1, k2, v2, ...`.
   /// `argc` is the number of positional arguments excluding `self`.
-  /// `kwargc` is the number of keyword arguments, i.e. the number of key-value pairs.
+  /// `kwargc` is the number of keyword arguments.
   /// The result will be set to `py_retval()`.
   /// The stack size will be reduced by `2 + argc + kwargc * 2`.
   bool py_vectorcall(
@@ -1947,7 +2001,7 @@ class PocketpyBindings {
   late final _py_exception =
       _py_exceptionPtr.asFunction<bool Function(int, ffi.Pointer<ffi.Char>)>();
 
-  /// Raise an expection object. Always return false.
+  /// Raise an exception object. Always return false.
   bool py_raise(
     py_Ref arg0,
   ) {
@@ -3013,6 +3067,16 @@ final class c11_sv extends ffi.Struct {
   external int size;
 }
 
+final class py_Frame extends ffi.Opaque {}
+
+/// An enum for tracing events.
+abstract class py_TraceEvent {
+  static const int TRACE_EVENT_LINE = 0;
+  static const int TRACE_EVENT_EXCEPTION = 1;
+  static const int TRACE_EVENT_PUSH = 2;
+  static const int TRACE_EVENT_POP = 3;
+}
+
 /// A struct contains the callbacks of the VM.
 final class py_Callbacks extends ffi.Struct {
   /// Used by `__import__` to load source code of a module.
@@ -3039,6 +3103,12 @@ abstract class py_CompileMode {
   static const int SINGLE_MODE = 2;
 }
 
+typedef py_TraceFunc = ffi.Pointer<
+    ffi.NativeFunction<ffi.Void Function(ffi.Pointer<py_Frame>, ffi.Int32)>>;
+
+/// A specific location in the value stack of the VM.
+typedef py_StackRef = ffi.Pointer<py_TValue>;
+
 /// A generic reference to a python object.
 typedef py_Ref = ffi.Pointer<py_TValue>;
 
@@ -3064,9 +3134,6 @@ typedef py_ObjectRef = ffi.Pointer<py_TValue>;
 typedef py_CFunction = ffi.Pointer<
     ffi.NativeFunction<ffi.Bool Function(ffi.Int argc, py_StackRef argv)>>;
 
-/// A specific location in the value stack of the VM.
-typedef py_StackRef = ffi.Pointer<py_TValue>;
-
 /// An integer that represents a python identifier. This is to achieve string pooling and fast name
 /// resolution.
 typedef py_Name = ffi.Uint16;
@@ -3092,9 +3159,9 @@ typedef py_ItemRef = ffi.Pointer<py_TValue>;
 /// %p: void*
 /// %t: py_Type
 /// %n: py_Name
-abstract class py_MagicNames {
+abstract class py_MagicName {
   /// 0 is reserved
-  static const int py_MagicNames__NULL = 0;
+  static const int py_MagicName__NULL = 0;
 
   /// math operators
   static const int __lt__ = 1;
@@ -3105,70 +3172,68 @@ abstract class py_MagicNames {
   /// //////////////////////////
   static const int __neg__ = 5;
   static const int __abs__ = 6;
-  static const int __float__ = 7;
-  static const int __int__ = 8;
-  static const int __round__ = 9;
-  static const int __divmod__ = 10;
+  static const int __round__ = 7;
+  static const int __divmod__ = 8;
 
   /// //////////////////////////
-  static const int __add__ = 11;
-  static const int __radd__ = 12;
-  static const int __sub__ = 13;
-  static const int __rsub__ = 14;
-  static const int __mul__ = 15;
-  static const int __rmul__ = 16;
-  static const int __truediv__ = 17;
-  static const int __rtruediv__ = 18;
-  static const int __floordiv__ = 19;
-  static const int __rfloordiv__ = 20;
-  static const int __mod__ = 21;
-  static const int __rmod__ = 22;
-  static const int __pow__ = 23;
-  static const int __rpow__ = 24;
-  static const int __matmul__ = 25;
-  static const int __lshift__ = 26;
-  static const int __rshift__ = 27;
-  static const int __and__ = 28;
-  static const int __or__ = 29;
-  static const int __xor__ = 30;
+  static const int __add__ = 9;
+  static const int __radd__ = 10;
+  static const int __sub__ = 11;
+  static const int __rsub__ = 12;
+  static const int __mul__ = 13;
+  static const int __rmul__ = 14;
+  static const int __truediv__ = 15;
+  static const int __rtruediv__ = 16;
+  static const int __floordiv__ = 17;
+  static const int __rfloordiv__ = 18;
+  static const int __mod__ = 19;
+  static const int __rmod__ = 20;
+  static const int __pow__ = 21;
+  static const int __rpow__ = 22;
+  static const int __matmul__ = 23;
+  static const int __lshift__ = 24;
+  static const int __rshift__ = 25;
+  static const int __and__ = 26;
+  static const int __or__ = 27;
+  static const int __xor__ = 28;
 
   /// //////////////////////////
-  static const int __repr__ = 31;
-  static const int __str__ = 32;
-  static const int __hash__ = 33;
-  static const int __len__ = 34;
-  static const int __iter__ = 35;
-  static const int __next__ = 36;
-  static const int __contains__ = 37;
-  static const int __bool__ = 38;
-  static const int __invert__ = 39;
+  static const int __repr__ = 29;
+  static const int __str__ = 30;
+  static const int __hash__ = 31;
+  static const int __len__ = 32;
+  static const int __iter__ = 33;
+  static const int __next__ = 34;
+  static const int __contains__ = 35;
+  static const int __bool__ = 36;
+  static const int __invert__ = 37;
 
   /// //////////////////////////
-  static const int __eq__ = 40;
-  static const int __ne__ = 41;
+  static const int __eq__ = 38;
+  static const int __ne__ = 39;
 
   /// indexer
-  static const int __getitem__ = 42;
-  static const int __setitem__ = 43;
-  static const int __delitem__ = 44;
+  static const int __getitem__ = 40;
+  static const int __setitem__ = 41;
+  static const int __delitem__ = 42;
 
   /// specials
-  static const int __new__ = 45;
-  static const int __init__ = 46;
-  static const int __call__ = 47;
-  static const int __enter__ = 48;
-  static const int __exit__ = 49;
-  static const int __name__ = 50;
-  static const int __all__ = 51;
-  static const int __package__ = 52;
-  static const int __path__ = 53;
-  static const int __class__ = 54;
-  static const int __getattr__ = 55;
-  static const int __reduce__ = 56;
-  static const int __missing__ = 57;
+  static const int __new__ = 43;
+  static const int __init__ = 44;
+  static const int __call__ = 45;
+  static const int __enter__ = 46;
+  static const int __exit__ = 47;
+  static const int __name__ = 48;
+  static const int __all__ = 49;
+  static const int __package__ = 50;
+  static const int __path__ = 51;
+  static const int __class__ = 52;
+  static const int __getattr__ = 53;
+  static const int __reduce__ = 54;
+  static const int __missing__ = 55;
 }
 
-abstract class py_PredefinedTypes {
+abstract class py_PredefinedType {
   static const int tp_nil = 0;
   static const int tp_object = 1;
 
@@ -3234,7 +3299,7 @@ abstract class py_PredefinedTypes {
   static const int tp_KeyboardInterrupt = 36;
   static const int tp_StopIteration = 37;
   static const int tp_SyntaxError = 38;
-  static const int tp_StackOverflowError = 39;
+  static const int tp_RecursionError = 39;
   static const int tp_OSError = 40;
   static const int tp_NotImplementedError = 41;
   static const int tp_TypeError = 42;
@@ -3264,19 +3329,19 @@ abstract class py_PredefinedTypes {
   static const int tp_chunked_array2d = 62;
 }
 
-const String PK_VERSION = '2.0.6';
+const String PK_VERSION = '2.0.7';
 
 const int PK_VERSION_MAJOR = 2;
 
 const int PK_VERSION_MINOR = 0;
 
-const int PK_VERSION_PATCH = 6;
+const int PK_VERSION_PATCH = 7;
 
 const int PK_LOW_MEMORY_MODE = 0;
 
 const int PK_ENABLE_OS = 1;
 
-const int PK_GC_MIN_THRESHOLD = 16384;
+const int PK_GC_MIN_THRESHOLD = 32768;
 
 const int PK_VM_STACK_SIZE = 16384;
 

plugins/flutter/pocketpy/pubspec.yaml

@@ -1,6 +1,6 @@
 name: pocketpy
 description: A lightweight Python interpreter for game engines. It supports Android/iOS/Windows/Linux/MacOS.
-version: 2.0.6
+version: 2.0.7
 homepage: https://pocketpy.dev
 repository: https://github.com/pocketpy/pocketpy
 

src/interpreter/ceval.c

@@ -90,11 +90,6 @@ FrameResult VM__run_top_frame(VM* self) {
             py_exception(tp_RecursionError, "maximum recursion depth exceeded");
             goto __ERROR;
         }
-        if(self->stack.sp >= self->stack.end) {
-            c11__abort(
-                "Stack overflow! Please increase PK_VM_STACK_SIZE or reduce the max recursion limit.");
-        }
-
         codes = frame->co->codes.data;
         frame->ip++;
 

src/interpreter/frame.c

@@ -104,6 +104,7 @@ UnwindTarget* Frame__find_unwind_target(py_Frame* self, int iblock) {
 
 void Frame__set_unwind_target(py_Frame* self, py_TValue* sp) {
     int iblock = Frame__iblock(self);
+    assert(iblock >= 0);
     UnwindTarget* existing = Frame__find_unwind_target(self, iblock);
     if(existing) {
         existing->offset = sp - self->p0;
@@ -121,15 +122,14 @@ void Frame__gc_mark(py_Frame* self) {
 
 int Frame__lineno(const py_Frame* self) {
     int ip = self->ip;
-    if(ip >= 0)
-        return c11__getitem(BytecodeEx, &self->co->codes_ex, ip).lineno;
-    if(!self->is_locals_special)
-        return self->co->start_line;
+    if(ip >= 0) return c11__getitem(BytecodeEx, &self->co->codes_ex, ip).lineno;
+    if(!self->is_locals_special) return self->co->start_line;
     return 0;
 }
 
 int Frame__iblock(const py_Frame* self) {
     int ip = self->ip;
+    if(ip < 0) return -1;
     return c11__getitem(BytecodeEx, &self->co->codes_ex, ip).iblock;
 }
 

src/public/internal.c

@@ -171,9 +171,12 @@ bool pk_loadmethod(py_StackRef self, py_Name name) {
 
     if(name == __new__) {
         // __new__ acts like a @staticmethod
-        if(py_istype(self, tp_type)) {
+        if(self->type == tp_type) {
             // T.__new__(...)
             type = py_totype(self);
+        } else if(self->type == tp_super) {
+            // super(T, obj).__new__(...)
+            type = *(py_Type*)py_touserdata(self);
         } else {
             // invalid usage of `__new__`
             return false;
@@ -187,12 +190,16 @@ bool pk_loadmethod(py_StackRef self, py_Name name) {
         return false;
     }
 
+    py_TValue self_bak;  // to avoid overlapping
     // handle super() proxy
     if(py_istype(self, tp_super)) {
         type = *(py_Type*)py_touserdata(self);
-        *self = *py_getslot(self, 0);
+        // BUG: here we modify `self` which refers to the stack directly
+        // If `pk_loadmethod` fails, `self` will be corrupted
+        self_bak = *py_getslot(self, 0);
     } else {
         type = self->type;
+        self_bak = *self;
     }
 
     py_Ref cls_var = py_tpfindname(type, name);
@@ -200,8 +207,6 @@ bool pk_loadmethod(py_StackRef self, py_Name name) {
         switch(cls_var->type) {
             case tp_function:
             case tp_nativefunc: {
-                py_TValue self_bak = *self;
-                // `out` may overlap with `self`. If we assign `out`, `self` may be corrupted.
                 self[0] = *cls_var;
                 self[1] = self_bak;
                 break;

src/public/py_dict.c

@@ -283,7 +283,7 @@ static bool dict__init__(int argc, py_Ref argv) {
     for(int i = 0; i < length; i++) {
         py_Ref tuple = &p[i];
         if(!py_istuple(tuple) || py_tuple_len(tuple) != 2) {
-            return TypeError("dict.__init__() argument must be a list of tuple-2");
+            return ValueError("dict.__init__() argument must be a list of tuple-2");
         }
         py_Ref key = py_tuple_getitem(tuple, 0);
         py_Ref val = py_tuple_getitem(tuple, 1);

src/public/py_number.c

@@ -123,9 +123,7 @@ static bool number__pow__(int argc, py_Ref argv) {
     return true;
 }
 
-static py_i64 i64_abs(py_i64 x) {
-    return x < 0 ? -x : x;
-}
+static py_i64 i64_abs(py_i64 x) { return x < 0 ? -x : x; }
 
 static py_i64 cpy11__fast_floor_div(py_i64 a, py_i64 b) {
     assert(b != 0);
@@ -316,7 +314,7 @@ static bool int__new__(int argc, py_Ref argv) {
                 return true;
             }
             case tp_str: break;  // leave to the next block
-            default: return pk_callmagic(__int__, 1, argv + 1);
+            default: return TypeError("int() argument must be a string, number or boolean");
         }
     }
     // 2+ args -> error
@@ -388,7 +386,7 @@ static bool float__new__(int argc, py_Ref argv) {
             py_newfloat(py_retval(), float_out);
             return true;
         }
-        default: return pk_callmagic(__float__, 1, argv + 1);
+        default: return TypeError("float() argument must be a string or a real number");
     }
 }
 

src2/main.c

@@ -2,6 +2,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <assert.h>
+#include <string.h>
 
 #include "pocketpy.h"
 
@@ -29,7 +30,7 @@ static void sigint_handler(int sig) { py_interrupt(); }
 
 #endif
 
-char* read_file(const char* path) {
+static char* read_file(const char* path) {
     FILE* file = fopen(path, "rb");
     if(file == NULL) {
         printf("Error: file not found\n");
@@ -44,6 +45,27 @@ char* read_file(const char* path) {
     return buffer;
 }
 
+static void tracefunc(py_Frame* frame, enum py_TraceEvent event) {
+    int line;
+    const char* filename = py_Frame_sourceloc(frame, &line);
+    const char* event_str;
+    switch(event) {
+        case TRACE_EVENT_LINE:
+            event_str = "line";
+            break;
+        case TRACE_EVENT_EXCEPTION:
+            event_str = "exception";
+            break;
+        case TRACE_EVENT_PUSH:
+            event_str = "push";
+            break;
+        case TRACE_EVENT_POP:
+            event_str = "pop";
+            break;
+    }
+    printf("\x1b[30m%s:%d, event=%s\x1b[0m\n", filename, line, event_str);
+}
+
 static char buf[2048];
 
 int main(int argc, char** argv) {
@@ -55,15 +77,27 @@ int main(int argc, char** argv) {
     // signal(SIGINT, sigint_handler);
 #endif
 
-    if(argc > 2) {
-        printf("Usage: pocketpy [filename]\n");
-        return 0;
+    bool trace = false;
+    const char* filename = NULL;
+
+    for(int i = 1; i < argc; i++) {
+        if(strcmp(argv[i], "--trace") == 0) {
+            trace = true;
+            continue;
+        }
+        if(filename == NULL) {
+            filename = argv[i];
+            continue;
+        }
+        printf("Usage: pocketpy [--trace] filename\n");
     }
 
     py_initialize();
     py_sys_setargv(argc, argv);
 
-    if(argc == 1) {
+    if(trace) py_sys_settrace(tracefunc);
+
+    if(filename == NULL) {
         printf("pocketpy " PK_VERSION " (" __DATE__ ", " __TIME__ ") ");
         printf("[%d bit] on %s", (int)(sizeof(void*) * 8), PY_SYS_PLATFORM_STRING);
 #ifndef NDEBUG
@@ -89,9 +123,9 @@ int main(int argc, char** argv) {
             }
         }
     } else {
-        char* source = read_file(argv[1]);
+        char* source = read_file(filename);
         if(source) {
-            if(!py_exec(source, argv[1], EXEC_MODE, NULL)) py_printexc();
+            if(!py_exec(source, filename, EXEC_MODE, NULL)) py_printexc();
             free(source);
         }
     }

tests/77_builtin_func_1.py

@@ -7,7 +7,7 @@ class TestSuperBase():
         return self.base_attr
     
     def error(self):
-        raise Exception('未能拦截错误')
+        raise RuntimeError('未能拦截错误')
     
 
 class TestSuperChild1(TestSuperBase):
@@ -20,7 +20,7 @@ class TestSuperChild1(TestSuperBase):
     def error_handling(self):
         try:
             super(TestSuperChild1, self).error()
-        except:
+        except RuntimeError:
             pass
 
 class TestSuperChild2(TestSuperBase):
@@ -54,18 +54,22 @@ class TestSuperNoBaseMethod(TestSuperBase):
     def __init__(self):
         super(TestSuperNoBaseMethod, self).append(1)
 
+class TestSuperNoParent():
+    def method(self):
+        super(TestSuperNoParent, self).method()
+
 try:
-    t = TestSuperNoParent()
-    print('未能拦截错误')
+    t = TestSuperNoParent().method()
+    print('未能拦截错误2')
     exit(2)
-except:
+except AttributeError:
     pass
 
 try:
     t = TestSuperNoBaseMethod()
-    print('未能拦截错误')
+    print('未能拦截错误3')
     exit(3)
-except:
+except AttributeError:
     pass
 
 class B():
@@ -82,17 +86,17 @@ class D():
 try:
     c = C()
     c.method()
-    print('未能拦截错误')
+    print('未能拦截错误4')
     exit(4)
-except:
+except AttributeError:
     pass
 
 try:
     d = D()
     d.method()
-    print('未能拦截错误')
+    print('未能拦截错误5')
     exit(5)
-except:
+except TypeError:
     pass
 
 # test hash:
@@ -133,16 +137,16 @@ assert type(hash(a)) is int
 # 测试不可哈希对象
 try:
     hash({1:1})
-    print('未能拦截错误')
+    print('未能拦截错误6')
     exit(6)
-except:
+except TypeError:
     pass
 
 try:
     hash([1])
-    print('未能拦截错误')
+    print('未能拦截错误7')
     exit(7)
-except:
+except TypeError:
     pass
 
 # test chr
@@ -165,24 +169,24 @@ repr(A())
 
 try:
     range(1,2,3,4)
-    print('未能拦截错误, 在测试 range')
+    print('未能拦截错误8, 在测试 range')
     exit(8)
-except:
+except TypeError:
     pass
 
 # /************ int ************/
 try:
     int('asad')
-    print('未能拦截错误, 在测试 int')
+    print('未能拦截错误9, 在测试 int')
     exit(9)
-except:
+except ValueError:
     pass
 
 try:
     int(123, 16)
-    print('未能拦截错误, 在测试 int')
+    print('未能拦截错误10, 在测试 int')
     exit(10)
-except:
+except TypeError:
     pass
 
 assert type(10//11) is int
@@ -191,16 +195,16 @@ assert type(11%2) is int
 
 try:
     float('asad')
-    print('未能拦截错误, 在测试 float')
+    print('未能拦截错误11, 在测试 float')
     exit(11)
-except:
+except ValueError:
     pass
 
 try:
     float([])
-    print('未能拦截错误, 在测试 float')
+    print('未能拦截错误12, 在测试 float')
     exit(12)
-except:
+except TypeError:
     pass
 
 # /************ str ************/
@@ -212,10 +216,10 @@ assert type(12 * '12') is str
 assert type('25363546'.index('63')) is int
 try:
     '25363546'.index('err')
-    print('未能拦截错误, 在测试 str.index')
+    print('未能拦截错误13, 在测试 str.index')
     exit(13)
-except:
-    pass
+except ValueError as e:
+    assert str(e) == "substring not found"
 
 
 # 未完全测试准确性-----------------------------------------------
@@ -227,9 +231,9 @@ assert '25363546'.find('err') == -1
 # /************ list ************/
 try:
     list(1,2)
-    print('未能拦截错误, 在测试 list')
+    print('未能拦截错误14, 在测试 list')
     exit(14)
-except:
+except TypeError:
     pass
 
 # 未完全测试准确性----------------------------------------------
@@ -237,10 +241,10 @@ except:
 assert type([1,2,3,4,5].index(4)) is int
 try:
     [1,2,3,4,5].index(6)
-    print('未能拦截错误, 在测试 list.index')
+    print('未能拦截错误15, 在测试 list.index')
     exit(15)
-except:
-    pass
+except ValueError as e:
+    assert str(e) == "list.index(x): x not in list"
 
 
 
@@ -248,19 +252,19 @@ except:
 # test list.remove:
 try:
     [1,2,3,4,5].remove(6)
-    print('未能拦截错误, 在测试 list.remove')
+    print('未能拦截错误16, 在测试 list.remove')
     exit(16)
-except:
-    pass
+except ValueError as e:
+    assert str(e) == "list.remove(x): x not in list"
 
 
 # 未完全测试准确性----------------------------------------------
 # test list.pop:
 try:
     [1,2,3,4,5].pop(1,2,3,4)
-    print('未能拦截错误, 在测试 list.pop')
+    print('未能拦截错误17, 在测试 list.pop')
     exit(17)
-except:
+except TypeError:
     pass
 
 
@@ -274,9 +278,9 @@ assert type(12 * [12]) is list
 # test tuple:
 try:
     tuple(1,2)
-    print('未能拦截错误, 在测试 tuple')
+    print('未能拦截错误18, 在测试 tuple')
     exit(18)
-except:
+except TypeError:
     pass
 
 assert [1,2,2,3,3,3].count(3) == 3

tests/77_builtin_func_2.py

@@ -70,21 +70,21 @@ try:
     dict([(1, 2, 3)])
     print('未能拦截错误, 在测试 dict')
     exit(1)
-except:
+except ValueError:
     pass
 
 try:
     dict([(1, 2)], 1)
     print('未能拦截错误, 在测试 dict')
     exit(1)
-except:
+except TypeError:
     pass
 
 try:
     hash(dict([(1,2)]))
     print('未能拦截错误, 在测试 dict.__hash__')
     exit(1)
-except:
+except TypeError:
     pass
 
 # test dict.__iter__
@@ -102,7 +102,7 @@ try:
     {1:2, 3:4}.get(1,1, 1)
     print('未能拦截错误, 在测试 dict.get')
     exit(1)
-except:
+except TypeError:
     pass
 
 # 未完全测试准确性-----------------------------------------------

tests/99_extras.py

@@ -53,12 +53,6 @@ assert 2**2**3 == 256
 assert (2**2**3)**2 == 65536
 
 class Number:        
-    def __float__(self):
-        return 1.0
-    
-    def __int__(self):
-        return 2
-    
     def __divmod__(self, other):
         return 3, 4
     
@@ -66,9 +60,6 @@ class Number:
         return args
 
 assert divmod(Number(), 0) == (3, 4)
-assert float(Number()) == 1.0
-assert int(Number()) == 2
-
 assert round(Number()) == tuple()
 assert round(Number(), 1) == (1,)