Add WeChat enterprise server ips API. Close #27

wechatpy/enterprise/client/__init__.py

@@ -21,6 +21,7 @@ def __init__(self, corp_id, secret, access_token=None):
         self.message = api.WeChatMessage(self)
         self.tag = api.WeChatTag(self)
         self.media = api.WeChatMedia(self)
+        self.misc = api.WeChatMisc(self)
 
     def fetch_access_token(self):
         """ Fetch access token"""

wechatpy/enterprise/client/api/__init__.py

@@ -7,3 +7,4 @@
 from .menu import WeChatMenu  # NOQA
 from .tag import WeChatTag  # NOQA
 from .user import WeChatUser  # NOQA
+from .misc import WeChatMisc  # NOQA

wechatpy/enterprise/client/api/misc.py

@@ -0,0 +1,15 @@
+# -*- coding: utf-8 -*-
+from __future__ import absolute_import, unicode_literals
+from wechatpy.client.api.base import BaseWeChatAPI
+
+
+class WeChatMisc(BaseWeChatAPI):
+
+    def get_wechat_ips(self):
+        """
+        获取微信服务器 IP 列表
+
+        :return: IP 地址列表
+        """
+        res = self._get('getcallbackip')
+        return res['ip_list']