add environ global

Author: glaukiol1

main

@@ -5,6 +5,9 @@ package os
 // license that can be found in the LICENSE file.
 
 import (
+	"os"
+	"strings"
+
 	"github.com/go-python/gpython/py"
 )
 
@@ -13,7 +16,8 @@ func init() {
 	methods := []*py.Method{}
 
 	globals := py.StringDict{
-		"error": py.OSError,
+		"error":   py.OSError,
+		"environ": getEnvVariables(),
 	}
 
 	py.RegisterModule(&py.ModuleImpl{
@@ -25,3 +29,15 @@ func init() {
 		Globals: globals,
 	})
 }
+
+// gets and parses all process enviroment variables
+func getEnvVariables() py.StringDict {
+	env_variables := os.Environ() // this gets all the enviroment variables
+	dict := py.NewStringDict()
+	for _, evar := range env_variables {
+		key_value := strings.Split(evar, "=") // returns a []string containing [key,value]
+		dict.M__setitem__(py.String(key_value[0]), py.String(key_value[1]))
+	}
+
+	return dict
+}

os/os.module.go

@@ -0,0 +1,4 @@
+import os
+
+print(os.error)
+print(os.environ.get("HOME")) # prints $HOME variable