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WeChat API

by ,
Odoo
v 11.0 v 12.0 Third Party 1
Download for v 12.0 Deploy on Odoo.sh
Required Apps Invoicing (account)
Included Dependencies
QR-based payments (25 lines of code)
Lines of code 717
Technical Name wechat
LicenseSee License tab
Websitehttps://apps.odoo.com/apps/modules/12.0/wechat/
Also available in version v 11.0
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WeChat API

Technical module to integrate Odoo with WeChat

Version: v12.0.1.0.1


Tested and maintained by
IT Projects Labs
Assitance: help@itpp.dev

Key features:
  • Buyer scans merchant's QR code to pay order (扫码支付)
  • Merchant scans buyer's QR code to send order payment information (刷卡支付)
For POS integration check our module WeChat Payments in POS

Need a custom miniprogram for WeChat (微信小程序)?

Contact our partner in China

WeChat API

Installation

  • Install `wechatpy library<https://github.com/jxtech/wechatpy>`__:

    pip install wechatpy
pip install wechatpy[cryptography]

# to update existing installation use
pip install -U wechatpy

  • Be sure that your server available for requests from outside world (i.e. it shall not be avaialble in local network only)

Multi database

If you have several databases, you need to check that all requests are sent to the desired database. The notification request from the WeChat cloud does not contain session cookies. So, if Odoo cannot determine which database to use, it will return a 404 error (Page not found). In order for the requests to send to the desired database, you need to configure dbfilter.

WeChat APP

Check WeChat documentation or contact WeChat Support about obtaining APP credentials.

Configuration

Credentials

  • Activate Developer Mode
  • Open menu [[ Settings ]] >> Parameters >> System Parameters
  • Create following parameters
    • wechat.app_id
    • wechat.app_secret
    • wechat.mch_id -- Vendor ID
    • wechat.sub_mch_id -- Sub Vendor ID
    • wechat.sandbox -- set to 0 or delete to disable. Any other value to means that sandbox is activated.
    • wechat.mch_cert, wechat.mch_key -- path to key and certificate files at server. Example of values:
      • wechat.mch_cert: /path/to/apiclient_cert.pem
      • wechat.mch_key: /path/to/apiclient_key.pem
    • wechat.payment_result_notification_url -- optional. Use it if doesn't work automatiically. The url must be http(s)://YOUR_HOST/wechat/callback.

Internal Numbers

If you get error invalid out_trade_no, it means that you use the same credentials in new database and odoo sends Wechat Order IDs that were previously used in another system. To resolve this do as following:

  • Go to [[ Settings ]] >> Technical >> Sequence & Identifiers >> Sequences
  • Find record WeChat Order, Wechat Refund or Wechat Micropay, depending on which request has the problem
  • Change either Prefix, Suffix or Next Number
  • If you get the error again, try to increase Next Number

Wechat tracking

Wechat records (Orders, Micropays, Refunds, etc.) can be found at [[ Invoicing ]] >> Configuration >> Wechat. If you don't have that menu, you need to configure Show Full Accounting Features for your user first:

  • Activate Developer Mode
  • Open menu [[ Settings ]] >> Users & Companies >> Users
  • Open user you need
  • Activate Show Full Accounting Features
The MIT License (MIT)

Copyright 2020 IT-Projects Labs
Copyright 2015-2020 IT-Projects LLC
Copyright 2014-2015 Ivan Yelizariev

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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