resolve go-python#169 (comment)

glaukiol1 · glaukiol1 · commit eadee4c35b9d · 2022-04-20T16:17:44.000+02:00
diff --git a/os/os.module.go b/os/os.module.go
@@ -121,18 +121,24 @@ func getenv(self py.Object, args py.Tuple) (py.Object, error) {
 			key = args[0]
 			dflt = args[1]
 		} else {
-			return nil, py.ExceptionNewf(py.TypeError, "str expected (pos 2), not"+args[1].Type().Name)
+			return nil, py.ExceptionNewf(py.TypeError, "str expected (pos 2), not "+args[1].Type().Name)
 		}
 		break
 	default:
 		return nil, py.ExceptionNewf(py.TypeError, "missing one required argument: 'name:str'")
 	}
-	var res py.Object // hold the result value
-	res, err = getEnvVariables().M__getitem__(key)
+	gokey, err := py.ReprAsString(key)
 	if err != nil {
 		return dflt, nil
 	}
-	return res, nil
+	gokey = strings.ReplaceAll(gokey, "'", "")
+	for _, evar := range os.Environ() {
+		key_value := strings.SplitN(evar, "=", 2) // returns a []string containing [key,value]
+		if key_value[0] == gokey {
+			return py.String(key_value[1]), nil
+		}
+	}
+	return dflt, nil
 }
 
 // get the current process' pid
