脚本位置：D:\Python27\Tools\Scripts\2to3.py
案例：
待转换脚本：HouseStark.py
转化方法：D:\Python27\Tools\Scripts\2to3.py -w HouseStark.py
RefactoringTool: Skipping optional fixer: buffer
RefactoringTool: Skipping optional fixer: idioms
RefactoringTool: Skipping optional fixer: set_literal
RefactoringTool: Skipping optional fixer: ws_comma
RefactoringTool: Refactored HouseStark.py
--- HouseStark.py       (original)
+++ HouseStark.py       (refactored)
@@ -4,8 +4,8 @@import osimport sysimport json
-import urllib
-import urllib2   # Python2
+import urllib.request, urllib.parse, urllib.error
+import urllib.request, urllib.error, urllib.parse   # Python2import datetime# import urllib.parse       Python3# import urllib.request     Python3
@@ -70,29 +70,29 @@url = "http://%s%s" % (settings.Params['server'], settings.Parms['urls'][action_type])url = self.__attach_token(url)
-            print('Connecting [%s], it may take a minute' % url)
+            print(('Connecting [%s], it may take a minute' % url))if method == "get":args = ""
-                for k, v in data.items():
+                for k, v in list(data.items()):args += "&%s=%s" % (k, v)args = args[1:]url_with_args = "%s?%s" % (url, args)try:
-                    req = urllib2.Request(url_with_args)
-                    req_data = urllib2.urlopen(req, timeout=settings.Params['request_timeout'])
+                    req = urllib.request.Request(url_with_args)
+                    req_data = urllib.request.urlopen(req, timeout=settings.Params['request_timeout'])callback = req_data.read()
-                    print("-->server response:", callback)
+                    print(("-->server response:", callback))return callbackexcept urllib.URLError as e:sys.exit("\033[31;1m%s\033[0m" % e)elif method == "post":try:
-                    data_encode = urllib.urlencode(data)
-                    req = urllib2.Request(url=url, data=data_encode.encode('utf-8'))
-                    res_data = urllib2.urlopen(req, timeout=settings.Params['request_timeout'])
+                    data_encode = urllib.parse.urlencode(data)
+                    req = urllib.request.Request(url=url, data=data_encode.encode('utf-8'))
+                    res_data = urllib.request.urlopen(req, timeout=settings.Params['request_timeout'])callback = str(res_data.read(), encoding="utf-8")  # 调整编码callback = json.loads(callback)
-                    print("\033[31;1m[%s]:[%s]\033[0m response:\n%s" % (method, url, callback))
+                    print(("\033[31;1m[%s]:[%s]\033[0m response:\n%s" % (method, url, callback)))return callbackexcept Exception as e:sys.exit("\033[31;1m%s\033[0m" % e)
RefactoringTool: Files that were modified:
RefactoringTool: HouseStark.py查看原来的脚本已经转换为Python3代码，修改前脚本会自动备份脚本
查看更多帮助，使用--help参数,例如：
1、如果上述不加-w参数，则默认只是把转换过程所对应的diff内容打印输出到当前窗口而已。
2、加了-w，就是把改动内容，写回到原先的文件了。
3、不想要生成bak文件，再加上-n即可。
4、不想看到那一堆输出的内容，加上–no-diffs，即可。

try:#python2
from UserDict import UserDict
#建议按照python3的名字进行import
from UserDict import DictMixin as MutableMappingexcept ImportError:#python3
from collections import UserDict
from collections import MutableMapping

import sys
if sys.version > '3':
PY3 = True
else:
PY3 = False