py demo: hellpy, clpy, callpy

py/module.go

@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package py
+
+import (
+	_ "unsafe"
+
+	"github.com/goplus/llgo/c"
+)
+
+// Module represents a Python module object.
+type Module struct {
+	Object
+}
+
+// -----------------------------------------------------------------------------
+
+// This is a wrapper around py.Import which takes a const char* as an argument
+// instead of an Object.
+//
+//go:linkname ImportModule C.PyImport_ImportModule
+func ImportModule(name *c.Char) *Module
+
+// This is a higher-level interface that calls the current “import hook function” (with
+// an explicit level of 0, meaning absolute import). It invokes the __import__() function
+// from the __builtins__ of the current globals. This means that the import is done using
+// whatever import hooks are installed in the current environment.
+//
+// This function always uses absolute imports.
+//
+//go:linkname Import C.PyImport_Import
+func Import(name *Object) *Module
+
+// Return the dictionary object that implements module’s namespace; this object is the same
+// as the __dict__ attribute of the module object. If module is not a module object (or a
+// subtype of a module object), SystemError is raised and nil is returned.
+//
+// It is recommended extensions use other Module and Object functions rather than directly
+// manipulate a module’s __dict__.
+//
+// llgo:link (*Module).GetDict C.PyModule_GetDict
+func (m *Module) GetDict() *Object { panic("unreachable") }
+
+// Retrieve an attribute named attrName from object o. Returns the attribute value on success,
+// or nil on failure. This is the equivalent of the Python expression o.attrName.
+//
+// llgo:link (*Object).GetAttr C.PyObject_GetAttr
+func (o *Object) GetAttr(attrName *Object) *Object { panic("unreachable") }
+
+// llgo:link (*Object).GetAttrString C.PyObject_GetAttrString
+func (o *Object) GetAttrString(attrName *c.Char) *Object { panic("unreachable") }
+
+// -----------------------------------------------------------------------------