376 lines
14 KiB
Python
376 lines
14 KiB
Python
|
# -*- coding: utf-8 -*-
|
||
|
|
# Part of Odoo. See LICENSE file for full copyright and licensing details.
|
||
|
|
|
||
|
|
from __future__ import print_function
|
||
|
|
import logging
|
||
|
|
import math
|
||
|
|
import os
|
||
|
|
import os.path
|
||
|
|
import subprocess
|
||
|
|
import time
|
||
|
|
import traceback
|
||
|
|
|
||
|
|
try:
|
||
|
|
from .. escpos import *
|
||
|
|
from .. escpos.exceptions import *
|
||
|
|
from .. escpos.printer import Usb
|
||
|
|
except ImportError:
|
||
|
|
escpos = printer = None
|
||
|
|
|
||
|
|
try:
|
||
|
|
from queue import Queue
|
||
|
|
except ImportError:
|
||
|
|
from Queue import Queue # pylint: disable=deprecated-module
|
||
|
|
from threading import Thread, Lock
|
||
|
|
|
||
|
|
try:
|
||
|
|
import usb.core
|
||
|
|
except ImportError:
|
||
|
|
usb = None
|
||
|
|
|
||
|
|
from odoo import http, _
|
||
|
|
|
||
|
|
from odoo.addons.hw_proxy.controllers import main as hw_proxy
|
||
|
|
|
||
|
|
_logger = logging.getLogger(__name__)
|
||
|
|
|
||
|
|
# workaround https://bugs.launchpad.net/openobject-server/+bug/947231
|
||
|
|
# related to http://bugs.python.org/issue7980
|
||
|
|
from datetime import datetime
|
||
|
|
datetime.strptime('2012-01-01', '%Y-%m-%d')
|
||
|
|
|
||
|
|
class EscposDriver(Thread):
|
||
|
|
def __init__(self):
|
||
|
|
Thread.__init__(self)
|
||
|
|
self.queue = Queue()
|
||
|
|
self.lock = Lock()
|
||
|
|
self.status = {'status':'connecting', 'messages':[]}
|
||
|
|
|
||
|
|
def connected_usb_devices(self):
|
||
|
|
connected = []
|
||
|
|
|
||
|
|
# printers can either define bDeviceClass=7, or they can define one of
|
||
|
|
# their interfaces with bInterfaceClass=7. This class checks for both.
|
||
|
|
class FindUsbClass(object):
|
||
|
|
def __init__(self, usb_class):
|
||
|
|
self._class = usb_class
|
||
|
|
def __call__(self, device):
|
||
|
|
# first, let's check the device
|
||
|
|
if device.bDeviceClass == self._class:
|
||
|
|
return True
|
||
|
|
# transverse all devices and look through their interfaces to
|
||
|
|
# find a matching class
|
||
|
|
for cfg in device:
|
||
|
|
intf = usb.util.find_descriptor(cfg, bInterfaceClass=self._class)
|
||
|
|
|
||
|
|
if intf is not None:
|
||
|
|
return True
|
||
|
|
|
||
|
|
return False
|
||
|
|
|
||
|
|
printers = usb.core.find(find_all=True, custom_match=FindUsbClass(7))
|
||
|
|
|
||
|
|
# if no printers are found after this step we will take the
|
||
|
|
# first epson or star device we can find.
|
||
|
|
# epson
|
||
|
|
if not printers:
|
||
|
|
printers = usb.core.find(find_all=True, idVendor=0x04b8)
|
||
|
|
# star
|
||
|
|
if not printers:
|
||
|
|
printers = usb.core.find(find_all=True, idVendor=0x0519)
|
||
|
|
|
||
|
|
for printer in printers:
|
||
|
|
try:
|
||
|
|
description = usb.util.get_string(printer, 256, printer.iManufacturer) + " " + usb.util.get_string(printer, 256, printer.iProduct)
|
||
|
|
except Exception as e:
|
||
|
|
_logger.error("Can not get printer description: %s" % e)
|
||
|
|
description = 'Unknown printer'
|
||
|
|
connected.append({
|
||
|
|
'vendor': printer.idVendor,
|
||
|
|
'product': printer.idProduct,
|
||
|
|
'name': description
|
||
|
|
})
|
||
|
|
|
||
|
|
return connected
|
||
|
|
|
||
|
|
def lockedstart(self):
|
||
|
|
with self.lock:
|
||
|
|
if not self.isAlive():
|
||
|
|
self.daemon = True
|
||
|
|
self.start()
|
||
|
|
|
||
|
|
def get_escpos_printer(self):
|
||
|
|
|
||
|
|
printers = self.connected_usb_devices()
|
||
|
|
if len(printers) > 0:
|
||
|
|
print_dev = Usb(printers[0]['vendor'], printers[0]['product'])
|
||
|
|
self.set_status(
|
||
|
|
'connected',
|
||
|
|
"Connected to %s (in=0x%02x,out=0x%02x)" % (printers[0]['name'], print_dev.in_ep, print_dev.out_ep)
|
||
|
|
)
|
||
|
|
return print_dev
|
||
|
|
else:
|
||
|
|
self.set_status('disconnected','Printer Not Found')
|
||
|
|
return None
|
||
|
|
|
||
|
|
def get_status(self):
|
||
|
|
self.push_task('status')
|
||
|
|
return self.status
|
||
|
|
|
||
|
|
def open_cashbox(self,printer):
|
||
|
|
printer.cashdraw(2)
|
||
|
|
printer.cashdraw(5)
|
||
|
|
|
||
|
|
def set_status(self, status, message = None):
|
||
|
|
_logger.info(status+' : '+ (message or 'no message'))
|
||
|
|
if status == self.status['status']:
|
||
|
|
if message != None and (len(self.status['messages']) == 0 or message != self.status['messages'][-1]):
|
||
|
|
self.status['messages'].append(message)
|
||
|
|
else:
|
||
|
|
self.status['status'] = status
|
||
|
|
if message:
|
||
|
|
self.status['messages'] = [message]
|
||
|
|
else:
|
||
|
|
self.status['messages'] = []
|
||
|
|
|
||
|
|
if status == 'error' and message:
|
||
|
|
_logger.error('ESC/POS Error: %s', message)
|
||
|
|
elif status == 'disconnected' and message:
|
||
|
|
_logger.warning('ESC/POS Device Disconnected: %s', message)
|
||
|
|
|
||
|
|
def run(self):
|
||
|
|
printer = None
|
||
|
|
if not escpos:
|
||
|
|
_logger.error('ESC/POS cannot initialize, please verify system dependencies.')
|
||
|
|
return
|
||
|
|
while True:
|
||
|
|
try:
|
||
|
|
error = True
|
||
|
|
timestamp, task, data = self.queue.get(True)
|
||
|
|
|
||
|
|
printer = self.get_escpos_printer()
|
||
|
|
|
||
|
|
if printer == None:
|
||
|
|
if task != 'status':
|
||
|
|
self.queue.put((timestamp,task,data))
|
||
|
|
error = False
|
||
|
|
time.sleep(5)
|
||
|
|
continue
|
||
|
|
elif task == 'receipt':
|
||
|
|
if timestamp >= time.time() - 1 * 60 * 60:
|
||
|
|
self.print_receipt_body(printer,data)
|
||
|
|
printer.cut()
|
||
|
|
elif task == 'xml_receipt':
|
||
|
|
if timestamp >= time.time() - 1 * 60 * 60:
|
||
|
|
printer.receipt(data)
|
||
|
|
elif task == 'cashbox':
|
||
|
|
if timestamp >= time.time() - 12:
|
||
|
|
self.open_cashbox(printer)
|
||
|
|
elif task == 'printstatus':
|
||
|
|
self.print_status(printer)
|
||
|
|
elif task == 'status':
|
||
|
|
pass
|
||
|
|
error = False
|
||
|
|
|
||
|
|
except NoDeviceError as e:
|
||
|
|
print("No device found %s" % e)
|
||
|
|
except HandleDeviceError as e:
|
||
|
|
print("Impossible to handle the device due to previous error %s" % e)
|
||
|
|
except TicketNotPrinted as e:
|
||
|
|
print("The ticket does not seems to have been fully printed %s" % e)
|
||
|
|
except NoStatusError as e:
|
||
|
|
print("Impossible to get the status of the printer %s" % e)
|
||
|
|
except Exception as e:
|
||
|
|
self.set_status('error', e)
|
||
|
|
_logger.exception()
|
||
|
|
finally:
|
||
|
|
if error:
|
||
|
|
self.queue.put((timestamp, task, data))
|
||
|
|
if printer:
|
||
|
|
printer.close()
|
||
|
|
|
||
|
|
def push_task(self,task, data = None):
|
||
|
|
self.lockedstart()
|
||
|
|
self.queue.put((time.time(),task,data))
|
||
|
|
|
||
|
|
def print_status(self,eprint):
|
||
|
|
localips = ['0.0.0.0','127.0.0.1','127.0.1.1']
|
||
|
|
hosting_ap = os.system('pgrep hostapd') == 0
|
||
|
|
ssid = subprocess.check_output('iwconfig 2>&1 | grep \'ESSID:"\' | sed \'s/.*"\\(.*\\)"/\\1/\'', shell=True).rstrip()
|
||
|
|
mac = subprocess.check_output('ifconfig | grep -B 1 \'inet addr\' | grep -o \'HWaddr .*\' | sed \'s/HWaddr //\'', shell=True).rstrip()
|
||
|
|
ips = [ c.split(':')[1].split(' ')[0] for c in subprocess.check_output("/sbin/ifconfig").split('\n') if 'inet addr' in c ]
|
||
|
|
ips = [ ip for ip in ips if ip not in localips ]
|
||
|
|
eprint.text('\n\n')
|
||
|
|
eprint.set(align='center',type='b',height=2,width=2)
|
||
|
|
eprint.text('PosBox Status\n')
|
||
|
|
eprint.text('\n')
|
||
|
|
eprint.set(align='center')
|
||
|
|
|
||
|
|
if hosting_ap:
|
||
|
|
eprint.text('Wireless network:\nPosbox\n\n')
|
||
|
|
elif ssid:
|
||
|
|
eprint.text('Wireless network:\n' + ssid + '\n\n')
|
||
|
|
|
||
|
|
if len(ips) == 0:
|
||
|
|
eprint.text('ERROR: Could not connect to LAN\n\nPlease check that the PosBox is correc-\ntly connected with a network cable,\n that the LAN is setup with DHCP, and\nthat network addresses are available')
|
||
|
|
elif len(ips) == 1:
|
||
|
|
eprint.text('IP Address:\n'+ips[0]+'\n')
|
||
|
|
else:
|
||
|
|
eprint.text('IP Addresses:\n')
|
||
|
|
for ip in ips:
|
||
|
|
eprint.text(ip+'\n')
|
||
|
|
|
||
|
|
if len(ips) >= 1:
|
||
|
|
eprint.text('\nMAC Address:\n' + mac + '\n')
|
||
|
|
eprint.text('\nHomepage:\nhttp://'+ips[0]+':8069\n')
|
||
|
|
|
||
|
|
eprint.text('\n\n')
|
||
|
|
eprint.cut()
|
||
|
|
|
||
|
|
def print_receipt_body(self,eprint,receipt):
|
||
|
|
|
||
|
|
def check(string):
|
||
|
|
return string != True and bool(string) and string.strip()
|
||
|
|
|
||
|
|
def price(amount):
|
||
|
|
return ("{0:."+str(receipt['precision']['price'])+"f}").format(amount)
|
||
|
|
|
||
|
|
def money(amount):
|
||
|
|
return ("{0:."+str(receipt['precision']['money'])+"f}").format(amount)
|
||
|
|
|
||
|
|
def quantity(amount):
|
||
|
|
if math.floor(amount) != amount:
|
||
|
|
return ("{0:."+str(receipt['precision']['quantity'])+"f}").format(amount)
|
||
|
|
else:
|
||
|
|
return str(amount)
|
||
|
|
|
||
|
|
def printline(left, right='', width=40, ratio=0.5, indent=0):
|
||
|
|
lwidth = int(width * ratio)
|
||
|
|
rwidth = width - lwidth
|
||
|
|
lwidth = lwidth - indent
|
||
|
|
|
||
|
|
left = left[:lwidth]
|
||
|
|
if len(left) != lwidth:
|
||
|
|
left = left + ' ' * (lwidth - len(left))
|
||
|
|
|
||
|
|
right = right[-rwidth:]
|
||
|
|
if len(right) != rwidth:
|
||
|
|
right = ' ' * (rwidth - len(right)) + right
|
||
|
|
|
||
|
|
return ' ' * indent + left + right + '\n'
|
||
|
|
|
||
|
|
def print_taxes():
|
||
|
|
taxes = receipt['tax_details']
|
||
|
|
for tax in taxes:
|
||
|
|
eprint.text(printline(tax['tax']['name'],price(tax['amount']), width=40,ratio=0.6))
|
||
|
|
|
||
|
|
# Receipt Header
|
||
|
|
if receipt['company']['logo']:
|
||
|
|
eprint.set(align='center')
|
||
|
|
eprint.print_base64_image(receipt['company']['logo'])
|
||
|
|
eprint.text('\n')
|
||
|
|
else:
|
||
|
|
eprint.set(align='center',type='b',height=2,width=2)
|
||
|
|
eprint.text(receipt['company']['name'] + '\n')
|
||
|
|
|
||
|
|
eprint.set(align='center',type='b')
|
||
|
|
if check(receipt['company']['contact_address']):
|
||
|
|
eprint.text(receipt['company']['contact_address'] + '\n')
|
||
|
|
if check(receipt['company']['phone']):
|
||
|
|
eprint.text('Tel:' + receipt['company']['phone'] + '\n')
|
||
|
|
if check(receipt['company']['vat']):
|
||
|
|
eprint.text('VAT:' + receipt['company']['vat'] + '\n')
|
||
|
|
if check(receipt['company']['email']):
|
||
|
|
eprint.text(receipt['company']['email'] + '\n')
|
||
|
|
if check(receipt['company']['website']):
|
||
|
|
eprint.text(receipt['company']['website'] + '\n')
|
||
|
|
if check(receipt['header']):
|
||
|
|
eprint.text(receipt['header']+'\n')
|
||
|
|
if check(receipt['cashier']):
|
||
|
|
eprint.text('-'*32+'\n')
|
||
|
|
eprint.text('Served by '+receipt['cashier']+'\n')
|
||
|
|
|
||
|
|
# Orderlines
|
||
|
|
eprint.text('\n\n')
|
||
|
|
eprint.set(align='center')
|
||
|
|
for line in receipt['orderlines']:
|
||
|
|
pricestr = price(line['price_display'])
|
||
|
|
if line['discount'] == 0 and line['unit_name'] == 'Unit(s)' and line['quantity'] == 1:
|
||
|
|
eprint.text(printline(line['product_name'],pricestr,ratio=0.6))
|
||
|
|
else:
|
||
|
|
eprint.text(printline(line['product_name'],ratio=0.6))
|
||
|
|
if line['discount'] != 0:
|
||
|
|
eprint.text(printline('Discount: '+str(line['discount'])+'%', ratio=0.6, indent=2))
|
||
|
|
if line['unit_name'] == 'Unit(s)':
|
||
|
|
eprint.text( printline( quantity(line['quantity']) + ' x ' + price(line['price']), pricestr, ratio=0.6, indent=2))
|
||
|
|
else:
|
||
|
|
eprint.text( printline( quantity(line['quantity']) + line['unit_name'] + ' x ' + price(line['price']), pricestr, ratio=0.6, indent=2))
|
||
|
|
|
||
|
|
# Subtotal if the taxes are not included
|
||
|
|
taxincluded = True
|
||
|
|
if money(receipt['subtotal']) != money(receipt['total_with_tax']):
|
||
|
|
eprint.text(printline('','-------'));
|
||
|
|
eprint.text(printline(_('Subtotal'),money(receipt['subtotal']),width=40, ratio=0.6))
|
||
|
|
print_taxes()
|
||
|
|
#eprint.text(printline(_('Taxes'),money(receipt['total_tax']),width=40, ratio=0.6))
|
||
|
|
taxincluded = False
|
||
|
|
|
||
|
|
|
||
|
|
# Total
|
||
|
|
eprint.text(printline('','-------'));
|
||
|
|
eprint.set(align='center',height=2)
|
||
|
|
eprint.text(printline(_(' TOTAL'),money(receipt['total_with_tax']),width=40, ratio=0.6))
|
||
|
|
eprint.text('\n\n');
|
||
|
|
|
||
|
|
# Paymentlines
|
||
|
|
eprint.set(align='center')
|
||
|
|
for line in receipt['paymentlines']:
|
||
|
|
eprint.text(printline(line['journal'], money(line['amount']), ratio=0.6))
|
||
|
|
|
||
|
|
eprint.text('\n');
|
||
|
|
eprint.set(align='center',height=2)
|
||
|
|
eprint.text(printline(_(' CHANGE'),money(receipt['change']),width=40, ratio=0.6))
|
||
|
|
eprint.set(align='center')
|
||
|
|
eprint.text('\n');
|
||
|
|
|
||
|
|
# Extra Payment info
|
||
|
|
if receipt['total_discount'] != 0:
|
||
|
|
eprint.text(printline(_('Discounts'),money(receipt['total_discount']),width=40, ratio=0.6))
|
||
|
|
if taxincluded:
|
||
|
|
print_taxes()
|
||
|
|
#eprint.text(printline(_('Taxes'),money(receipt['total_tax']),width=40, ratio=0.6))
|
||
|
|
|
||
|
|
# Footer
|
||
|
|
if check(receipt['footer']):
|
||
|
|
eprint.text('\n'+receipt['footer']+'\n\n')
|
||
|
|
eprint.text(receipt['name']+'\n')
|
||
|
|
eprint.text( str(receipt['date']['date']).zfill(2)
|
||
|
|
+'/'+ str(receipt['date']['month']+1).zfill(2)
|
||
|
|
+'/'+ str(receipt['date']['year']).zfill(4)
|
||
|
|
+' '+ str(receipt['date']['hour']).zfill(2)
|
||
|
|
+':'+ str(receipt['date']['minute']).zfill(2) )
|
||
|
|
|
||
|
|
|
||
|
|
driver = EscposDriver()
|
||
|
|
|
||
|
|
driver.push_task('printstatus')
|
||
|
|
|
||
|
|
hw_proxy.drivers['escpos'] = driver
|
||
|
|
|
||
|
|
class EscposProxy(hw_proxy.Proxy):
|
||
|
|
|
||
|
|
@http.route('/hw_proxy/open_cashbox', type='json', auth='none', cors='*')
|
||
|
|
def open_cashbox(self):
|
||
|
|
_logger.info('ESC/POS: OPEN CASHBOX')
|
||
|
|
driver.push_task('cashbox')
|
||
|
|
|
||
|
|
@http.route('/hw_proxy/print_receipt', type='json', auth='none', cors='*')
|
||
|
|
def print_receipt(self, receipt):
|
||
|
|
_logger.info('ESC/POS: PRINT RECEIPT')
|
||
|
|
driver.push_task('receipt',receipt)
|
||
|
|
|
||
|
|
@http.route('/hw_proxy/print_xml_receipt', type='json', auth='none', cors='*')
|
||
|
|
def print_xml_receipt(self, receipt):
|
||
|
|
_logger.info('ESC/POS: PRINT XML RECEIPT')
|
||
|
|
driver.push_task('xml_receipt',receipt)
|