add os.getcwd()

Author: glaukiol1

main

@@ -13,7 +13,9 @@ import (
 
 func init() {
 
-	methods := []*py.Method{}
+	methods := []*py.Method{
+		py.MustNewMethod("getcwd", getCwd, 0, "Get the current working directory"),
+	}
 
 	globals := py.StringDict{
 		"error":   py.OSError,
@@ -41,3 +43,12 @@ func getEnvVariables() py.StringDict {
 
 	return dict
 }
+
+// gets the current working directory
+func getCwd(self py.Object, args py.Tuple) (py.Object, error) {
+	dir, err := os.Getwd()
+	if err != nil {
+		return nil, py.ExceptionNewf(py.OSError, "Unable to get current working directory.")
+	}
+	return py.String(dir), nil
+}

os/os.module.go

@@ -1,4 +1,5 @@
 import os
 
-print(os.error)
-print(os.environ.get("HOME")) # prints $HOME variable
+print("OS Error ", os.error)
+print("$HOME", os.environ.get("HOME")) # prints $HOME variable
+print("cwd():", os.getcwd())