>>>from wechat import auth
>>>r = auth.get_mp_access_token('your appid', 'your appsecret')
>>>r.access_token
'ACCESS_TOKEN'
>>>r.json
{u'access_token': u'ACCESS_TOKEN', u'expires_in': 7200}
>>>r.text
u'{"access_token":"ACCESS_TOKEN","expires_in":7200}'
>>>from wechat import mpapi
>>>mp = mpapi.formp(r.access_token)
>>>user = mp.get('user/info', openid='o6_bmjrPTlm6_2sgVt7hMZOPfL2M')
>>>user.is_failed
False
>>>user.headimgurl
u'http://thirdwx.qlogo.cn/mmopen/g3MonUZtNHkdmzicIlibx6iaFqAc56vxLSUfpb6n5WKSYVY0ChQKkiaJSgQ1dZuTOgvLLrhJbERQQ4eMsv84eavHiaiceqxibJxCfHe/0'

>>>from wechat import pay
>>>mppay = pay.for_merchant(mchid, signkey)
>>>r = mppay.unifiedorder(\
...     body='test',
...     out_trade_no='20150806125346',
...     total_fee=88,
...     spbill_create_ip='123.12.12.123',
...     notify_url='http://www.weixin.qq.com/wxpay/pay.php'
...)
>>>r.is_failed
False
>>>r.prepay_id
u'wx201410272009395522657a690389285100'
>>>r = mppay.orderquery(out_trade_no='20150806125346')
>>>r.trade_state
u'SUCCESS'

>>>from wechat import pay
>>>mppay = pay.for_merchant(mchid, signkey, client_cert='./apiclient_cert.pem', client_key='apiclient_key.pem')
>>>r = mppay.refund(\
...     transaction_id='1217752501201407033233368018',
...     total_fee=88,
...     refund_fee=88
...)
>>>r.refund_id
u'2008450740201411110000174436'

>>>from wechat import web_auth
>>>web_auth.build_authgrant_url('APPID', 'http://redirect_to')
u'https://open.weixin.qq.com/connect/oauth2/authorize?appid=APPID&redirect_uri=REDIRECT_URI&response_type=code&scope=SCOPE&state=STATE#wechat_redirect'
>>>result = web_auth.get_access_token('APPID', 'SECRET', 'CODE')
>>>result.access_token
u'ACCESS_TOKEN'
>>>user_result = web_auth.get_user_info('OPENID', result.access_token)
>>>user_result.unionid
u'o6_bmasdasdsad6_2sgVt7hMZOPfL'
>>>refresh_result = web_auth.refresh_access_token('APPID', result.refresh_token)
>>>refresh_result.refresh_token
u'REFRESH_TOKEN'

>>>from wechat.message import new_pipeline
>>>message_pipeline = new_pipeline([handler_instance, 'your.handler.path'])
>>>reply_message_bytes = message_pipeline.handle('receive xml message')
>>>from wechat.message import XMLMessageBuilder
>>>reply_message = XMLMessageBuilder.parse(reply_message_bytes)
>>>reply_message.to_openid
u'fromUser'

>>>from wechat.message import build_message_crypto_for
>>>crypto = build_message_crypto_for('TOKEN', 'AES_KEY', 'APPID')
>>>crypto.encrypt('MESSAGE_XML')
<xml>
<ToUserName><![CDATA[ToUserName]]></ToUserName>
<FromUserName><![CDATA[FromUserName]]></FromUserName>
<CreateTime>1409735669</CreateTime>
<Encrypt><![CDATA[uK+DOe54WRa31zp4IZ9wn2nmmyGW/Zp2lWg8s66DsPJDn4lq9Vl8ExMoUAYffJZhVNnMOay4ggAp3RGHteCKVU7krd8BUnoCcaOLyqbl36FxJWffWiOl6Xv4Xdb5fmQKnvG9swv4eXpTlH+L96SUa1C0dRofRC6tHJDHMNPuCun1R2UvQJRAcwoTIqwoHPMqJTehW3ttrohjeqaS7W9Nln3kufTmbwtyaYdwxUPP6agbc0KDGe3NzVGCQooAEmgOxQJW7kp2Rw6P7mLx2Mvr46bpiB6BFtDcZgnrto7/BqHzyCk50FPLl1BQDH2SgTkOzirV5XExAt1p+uuDSBo0Hw==]]></Encrypt>
</xml>
>>>crypto.decrypt('ENCRYPTED_MSG', 'SIGNATURE', 'timestamp', 'nonce')
<xml>
<ToUserName>ToUserName></ToUserName>
<FromUserName>FromUserName</FromUserName>
<CreateTime>1519387094</CreateTime>
<MsgType>text</MsgType>
<MsgId>-1</MsgId>
<Content>just a (汉字) test</Content>
</xml>