Python Web Services to communicate wih Devices.
The aim of this project is to ease the communication between application and Devices, providing light WebServices based on Python-Flask libraries. The software can be installed on a computer or a Raspberry-like device. It is compatible with Linux distribution.
This apps provides a light flask app to:
- know the state of the devices;
- know informations about system;
- test communication with some devices (e.g. send a test message to the customer display, print a test ticket, etc...).
The aim of this sub project is to provide WebServices and Web Page to simulate the behaviour of Odoo Apps (hw_proxy applications & co) to allow Odoo users to use Odoo Point of Sale with PyWebDriver as a Proxy.
- Odoo8:
- Printers :
- Epson TM-T20
- Epson TM-T70
- Epson TM-P20
- Credit Card Reader:
- Ingenico and Sagem credit card readers with Telium Manager version 37783600 or superior
- Ingenico i2200 check reader and writer
- Adyen terminals (compatible with Adyen Terminal API 3.0 - https://docs.adyen.com/point-of-sale/terminal-api-fundamentals)
- Customer Display:
- Bixolon BCD-1100
- Bixolon BCD-1000
- Epson OCD300
- SAGA SGDP240
- Labau LD240 (non-optimal)
- Scale:
- TODO : planned by GRAP (Any help welcome);
- Barcode Reader:
- They are usually recognized as keyboards and do not need pywebdriver to function
- Cash Box :
- The communication is usually handled by the receipt printer via Esc/Pos
- Printers :
If you're interested by a feature that is not currently supported, please contact our team for a quotation.
Otherwise, if you like this project, feel free to make a donation.
The main contributors of this project are :
- Sylvain Le Gal https://twitter/legalsylvain
- Sébastien Beau [email protected]
- Arthur Vuillard [email protected]
- Sylvain Calador [email protected]
A lot of the code come from other projects. Licences and copyright are mentionned in each file or in a readme file of the folder. The main other contributors are:
- Odoo Part: Odoo S.A. http://odoo.com
- Cros Decorator for Flask: Armin Ronacher http://flask.pocoo.org/snippets/56/
- ESCPOS driver: Manuel F Martinez [email protected]
sudo add-apt-repository ppa:akretion-team/pywebdriver
sudo apt-get update
sudo apt-get install pywebdriver
sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 305CB544DDFC7A97
sudo apt-add-repository 'deb [arch=amd64] http://apt.akretion.com/ pywebdriver-nightly main'
sudo apt update
sudo apt install pywebdriver
If you update from the OLD version, you will need to uninstall nginx after upgrading or you could face port reservation problems. Also it is not required anymore so there is no reason to have it.
Alternatively you can use the script debian/install.sh. It will install pywebdriver and you will not have to accept the self-signed certificate anymore on https.
Pywebdriver can be installed on Mac OS X and is successfully used in production on a Mac OS X computer with Bixolon customer display, Ingenico credit card reader and check printer. TODO: write installation instructions.
In Windows 10, pywebdriver works as a Windows service that communicates with printers. It doesn't work on Windows 7.
- Go there : https://epson.com/Support/Point-of-Sale/Thermal-Printers/Epson-TM-T20III-Series/s/SPT_C31CH51001
- Download and install :
- OPOS ADK v3.00ER6 (might be useless, to be tested)
- Advanced Printer Driver v6.01
Launch "Advanced Printer Driver v6.01", select your Port Type (e.g USB), save Settings
and click Test Print : it should print something !
- In this repo, get the latest build in releases : https://github.com/akretion/pywebdriver/releases
- Unzip it
- Run generate_certificates.bat to make https work
- It will create two files in C:\pywebdriver
- Move the files you unzipped in this folder (some paths are absolute and would not accept that the folder could be move later on)
- Open config/config.ini with your favorite editor
- (optional) Add or remove drivers according to your needs (connection to display_driver, bank terminal)
- (optional) Change host or port number
- Add two lines in flask option for certificates (under cors_origins=*)
sslcert=c:/pywebdriver/localhost+2.pem
sslkey=c:/pywebdriver/localhost+2-key.pem
- You have to fit Windows printer's name (1) and config.ini
printer_name(2) inescposcategory. Either you change (1)to fit (2) or otherwise. By default, config.ini variable isescposso you can change (1) in Windows printers configuration.
- Go to your pywebdriver folder
- Right click on install.bat file and execute it as administrator (beware, with normal
display, file is just named
install) - It will create a Windows service : at Windows start, pywebdriver will be launched
- Open your browser et go to the host and port you choose. By default https://localhost:8069
- Try to print and succeed !
- Go to your pywebdriver folder
- Execute (as an admin) install.bat file and it will restart the service.
You need to confirmed security exception on your browers for the following paths: http://localhost and https://localhost
see here and click on 'Advanced' and 'confirm security exception'
Copy the config.ini.tmpl file to config.ini and make modifications as wished.
It is possible to load selectively drivers you need as some are incompatible.
Add a line in config.ini file like :
[application]
drivers=odoo8,cups_driver
If not, default drivers will be loaded:
- cups_driver
- display_driver
- escpos_driver
- serial_driver
- signature_driver
- telium_driver
- opcua_driver
- odoo7
- odoo8
It is possible to enable SSL on Flask level to avoid mixed content on browsers.
Generate private and public key (e.g.: self-signed with openssl https://www.openssl.org/docs/manmaster/man1/openssl.html) and place them at the root.
Add entries in config file like:
[flask]
sslcert=cert.pem
sslkey=privkey.pem
For the customer display Epson OCD300, you need to change the config file (config/config.ini).
Change line device_name in category [display_driver] with this :
device_name=/dev/ttyACM0
To test this module, do the following steps:
- download it from git;
git clone https://github.com/akretion/pywebdriver.git
- Install dependency by running this two command
sudo apt-get install cups python-cups python-pip python-netifaces
sudo pip install -r requirement.txt
- set correct parameters in the config/config.ini file;
- call this command:
python pywebdriver.py
- Call the url : http://localhost:8069 (by default, but depending of your config.ini file) in a browser to see devices state;
If you find a bug, feel free to report it and submit a bugfix.
If you want to propose extra features not yet covered, please contact us or submit a Pull Request.
For the moment, localization is managed for english and french languages. If you want to manage extra lozalisation, do the following:
- call this command to generate '.pot' file:
pybabel extract -F translations/settings_babel.cfg -o translations/i18n.pot .
- call one of the two commands to generate '.po' file:
pybabel init -i translations/i18n.pot -d translations -l <code> # (First time)
pybabel update -i translations/i18n.pot -d translations # (Next times)
- Edit your '.po' file and write correct translation;
- call this command to generate '.mo' file:
pybabel compile -d translations
- Change your config.ini file to test the result;
- Do a Pull Request to share your work;
If you're interested by this project, you could perhaps take a look at these other projects: