refactor: importing cpython_bindings separate out into function

Author: Vipul-Cariappa

src/lpython/semantics/python_ast_to_asr.cpp

@@ -4429,6 +4429,55 @@ class SymbolTableVisitor : public CommonVisitor<SymbolTableVisitor> {
         //Implemented in BodyVisitor
     }
 
+    void import_cpython(const AST::FunctionDef_t &x, SymbolTable *parent_scope) {
+        std::vector<std::string> pybind_funcs = {
+            "Py_Initialize",
+            "Py_IsInitialized", 
+            "PyRun_SimpleString", 
+            "Py_DecodeLocale", 
+            "PySys_SetArgv", 
+            "Py_FinalizeEx",
+            "PyUnicode_FromString",
+            "PyUnicode_AsUTF8AndSize",
+            "PyImport_Import",
+            "Py_DecRef",
+            "Py_IncRef",
+            "PyObject_GetAttrString",
+            "PyTuple_New",
+            "PyTuple_SetItem",
+            "PyObject_CallObject",
+            "PyLong_AsLongLong",
+            "PyLong_AsUnsignedLongLong",
+            "PyLong_FromLongLong",
+            "PyLong_FromUnsignedLongLong",
+            "PyFloat_FromDouble",
+            "PyFloat_AsDouble",
+            "PyBool_FromLong",
+            "PyObject_IsTrue",
+        };
+        Str s;
+        AST::alias_t *module_symbols =
+            al.allocate<AST::alias_t>(pybind_funcs.size());
+        
+        for (size_t i = 0; i < pybind_funcs.size(); i++) {
+            s.from_str(al, pybind_funcs.at(i));
+            (module_symbols + i)->loc = x.base.base.loc;
+            (module_symbols + i)->m_name = s.c_str(al);
+            (module_symbols + i)->m_asname = nullptr;
+        }
+
+        AST::ImportFrom_t *imports =
+            (AST::ImportFrom_t*)AST::make_ImportFrom_t(
+                al, x.base.base.loc,
+                (char*)"cpython_bindings", module_symbols,
+                pybind_funcs.size(), 0);
+        
+        SymbolTable *function_scope = current_scope;
+        current_scope = parent_scope;
+        visit_ImportFrom(*imports);
+        current_scope = function_scope;
+    }
+
     void visit_FunctionDef(const AST::FunctionDef_t &x) {
         dependencies.clear(al);
         SymbolTable *parent_scope = current_scope;
@@ -4492,52 +4541,8 @@ class SymbolTableVisitor : public CommonVisitor<SymbolTableVisitor> {
                             module_file = extract_keyword_val_from_decorator(call_d, "module");
 
                             if (!contains_bindpython) {
-                                std::vector<std::string> pybind_funcs = {
-                                    "Py_Initialize",
-                                    "Py_IsInitialized", 
-                                    "PyRun_SimpleString", 
-                                    "Py_DecodeLocale", 
-                                    "PySys_SetArgv", 
-                                    "Py_FinalizeEx",
-                                    "PyUnicode_FromString",
-                                    "PyUnicode_AsUTF8AndSize",
-                                    "PyImport_Import",
-                                    "Py_DecRef",
-                                    "Py_IncRef",
-                                    "PyObject_GetAttrString",
-                                    "PyTuple_New",
-                                    "PyTuple_SetItem",
-                                    "PyObject_CallObject",
-                                    "PyLong_AsLongLong",
-                                    "PyLong_AsUnsignedLongLong",
-                                    "PyLong_FromLongLong",
-                                    "PyLong_FromUnsignedLongLong",
-                                    "PyFloat_FromDouble",
-                                    "PyFloat_AsDouble",
-                                    "PyBool_FromLong",
-                                    "PyObject_IsTrue",
-                                };
-                                Str s;
-                                AST::alias_t *module_symbols =
-                                    al.allocate<AST::alias_t>(pybind_funcs.size());
-                                
-                                for (size_t i = 0; i < pybind_funcs.size(); i++) {
-                                    s.from_str(al, pybind_funcs.at(i));
-                                    (module_symbols + i)->loc = x.base.base.loc;
-                                    (module_symbols + i)->m_name = s.c_str(al);
-                                    (module_symbols + i)->m_asname = nullptr;
-                                }
-
-                                AST::ImportFrom_t *imports =
-                                    (AST::ImportFrom_t*)AST::make_ImportFrom_t(
-                                        al, x.base.base.loc,
-                                        (char*)"cpython_bindings", module_symbols,
-                                        pybind_funcs.size(), 0);
 
-                                SymbolTable *function_scope = current_scope;
-                                current_scope = parent_scope;
-                                visit_ImportFrom(*imports);
-                                current_scope = function_scope;
+                                import_cpython(x, parent_scope);
                             }
                             contains_bindpython = true;