def printEscpos():
if request.method == "POST":
# get json data from request
requestBody = request.get_json()
ipPrintert = request.args.get('ip', False)
fileString = requestBody.get('image', False)
# check required body request
if fileString == '' or fileString == False:
return make_response(
jsonify(message='Required image', success=False), 422)
if ipPrintert == '' or ipPrintert == False:
return make_response(
jsonify(message='Required ip in query', success=False), 422)
try:
# service convert base64 to image
imgdata = service.base64ToImage(fileString)
if imgdata == '' or imgdata == False:
return make_response(
jsonify(message='Convert base64 to image error',
success=False), 422)
# print to thermal escpos
printer = Network(host=ipPrintert, port=9100, timeout=30)
printer.image(imgdata)
printer.cut()
# printer.cashdraw('pin')
return make_response(
jsonify(success=True,
message='Success print to thermal ' + ipPrintert), 200)
except Exception as e:
message = str(e)
logging.exception(message)
return make_response(
jsonify(message='Failed print to thermal ' + ipPrintert,
success=False,
detail=message), 500)
class Printer:
printer = None
def __init__(self, ip):
self.printer = Network(ip)
def Test(self):
return True
def Print(self, text, convertesc, cutprint, selfont):
if self.ConvertBool(convertesc):
text = text.replace("\\n", "\n")
text = text.replace("\\t", "\t")
text = text.replace("\\\\", chr(92))
# text = text.replace("\\", "***")
self.printer.set(font=selfont)
self.printer.text(text)
self.printer.set(font='a')
if self.ConvertBool(cutprint):
self.printer.cut()
def PrintBoxTag(self, caseNumbers, Organisation, inDate, outDate, Contents,
Serials):
img = qrcode.make("ID" + str(caseNumbers), box_size=8)
img.save("out.png")
self.printer.set(align=u'center', font='a')
self.printer.text("Hospitality Technology\n")
self.printer.text("Hardware Department\n")
self.printer.image("out.png")
self.printer.set(align=u'left')
caseNumberString = ""
for caseNo in caseNumbers:
caseNumberString += " " + caseNo + "\n"
contentString = ""
for hardware in Contents:
contentString += " " + hardware + "\n"
serialString = ""
for serial in Serials:
serialString += " " + serial + "\n"
self.printer.text("Property : " + Organisation + "\n")
self.printer.text("Received Date : " + inDate + "\n")
self.printer.text("Released Date : " + outDate + "\n")
self.printer.text("Case No :\n")
self.printer.text(caseNumberString + "\n")
self.printer.text("Contents :\n")
self.printer.text(contentString + "\n")
self.printer.text("Serials :\n")
self.printer.text(serialString + "\n")
self.printer.cut()
def StressTest(self, line_count):
chararr = [
"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m",
"n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z",
"A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M",
"N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z",
"1", "2", "3", "4", "5", "6", "7", "8", "9", "0"
]
for y in range(line_count):
string = ""
for x in range(42):
string += chararr[randrange(0, len(chararr) - 1)]
self.printer.text(string)
self.printer.text("\n\n")
self.printer.cut()
def AdvancedStressTest(self, line_count, infont, alphabet, numbers,
specialChars, CutAfterPrint):
alphabet = self.ConvertBool(alphabet)
numbers = self.ConvertBool(numbers)
specialChars = self.ConvertBool(specialChars)
CutAfterPrint = self.ConvertBool(CutAfterPrint)
finalArray = []
alphabetArray = [
"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m",
"n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z",
"A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M",
"N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"
]
numberArray = ["1", "2", "3", "4", "5", "6", "7", "8", "9", "0"]
specialCharsArray = [
"!", "@", "#", "$", "%", "^", "&", "*", "(", ")", "_", "-", "=",
"+", "\\", "/", "<", ">", ".", ",", '"', "'", ";", ":", "[", "]",
"|"
]
if numbers:
finalArray.extend(numberArray)
if alphabet:
finalArray.extend(alphabetArray)
if specialChars:
finalArray.extend(specialCharsArray)
self.printer.set(font=infont)
for y in range(int(line_count)):
string = ""
for x in range(42):
string += choice(finalArray)
self.printer.text(string)
if CutAfterPrint:
self.printer.text("\n\n")
self.printer.cut()
self.printer.set(font='a')
def ConvertBool(self, instr):
if (instr.__eq__("false")):
return False
return True
def pos_print(order=None):
if order is None:
order = []
try:
epson = Network("192.168.1.100")
epson.image("/home/sysop/pos/rosie.png")
bar = '0000'
price = 0
for m in order:
epson.set(height=2, width=2, align='center')
epson.text('Your PIN\n')
epson.set(font='a', height=3, width=3, align='center')
epson.text(str(m[3]) + '\n')
bar = str(m[3])
epson.set(font='a',
height=2,
width=2,
align='left',
text_type='u2')
epson.text(' Order \n')
epson.set(text_type='normal')
epson.text(str(m[0]))
if int(m[0]) > 1:
epson.text(' Cups of Donuts')
price = int(m[0]) * 4.76
epson.text(' $' + str(price) + '\n')
price = int(m[0]) * 4.7619
else:
epson.text(' Cup of Donuts')
epson.text(' $4.76\n')
price = 4.7619
n = str(m[1])
if int(n[0]) > 1:
p = int(n[0]) - 1
epson.text(str(p) + ' ')
epson.text('Mountain Dew')
p2 = p * 1.9047
p = p * 1.90
price = price + p2
epson.text(' $' + str(p) + '0\n')
if int(n[1]) > 0:
epson.text(n[1] + ' ')
epson.text('Root Beer')
p = int(n[1]) * 1.90
p2 = int(n[1]) * 1.9047
price = price + p2
epson.text(' $' + str(p) + '0\n')
if int(n[2]) > 0:
epson.text(n[2] + ' ')
epson.text('Pepsi')
p = int(n[1]) * 1.90
p2 = int(n[1]) * 1.9047
price = price + p2
epson.text(' $' + str(p) + '0\n')
if int(n[3]) > 0:
epson.text(n[3] + ' ')
epson.text('7 Up')
p = int(n[1]) * 1.90
p2 = int(n[1]) * 1.9047
price = price + p2
epson.text(' $' + str(p) + '0\n')
gst = price * .05
nice_gst = math.ceil(gst * 100) / 100
epson.text(' GST: $' + str(nice_gst) + '\n')
print(nice_gst)
price = price + gst
tot = math.ceil(price * 100) / 100
epson.text(' Total: $' + str(tot) + '0\n')
print(tot)
epson.text('\n\n')
epson.set(font='a', height=2, width=2, align='center')
epson.text('THANK YOU\n')
epson.set(font='a', height=1, width=1, align='center')
epson.barcode(bar, 'CODE128', function_type="B")
epson.cut()
except Exception as ex:
print(ex)
# -*- coding: cp1254 -*-
from escpos.printer import Network
p = Network("192.168.2.223")
p.image('./images/bishop.png')
p.text("MUTFAK\n")
p.text(chr(27))
p.text(chr(45))
p.text(chr(50))
p.text(u'DONDURUCU\n')
p.text(chr(27))
p.text(chr(33))
p.text(chr(17))
p.text('NEN 2016 \n')
p.barcode("3057", "CODE39",80,3,"BELOW", "A")
p.text('\n')
p.barcode("3058", "CODE39",80,3)
p.cut()
print 'Usage: thermalrule.py printer=true/false rule=[0-255] lines=80 interface=tcp/serial'
exit()
if printer:
if interface == 'tcp':
print 'Using TCP interface', host, tcpport
Epson = Network(host=host, port=tcpport, timeout=60)
time.sleep(2) # wait for network
else:
print 'Using serial interface', devfile, baud
Epson = Serial(devfile=port, baudrate=baud, dsrdtr=True)
ret = '\r\n'
else:
ret = '\n'
Epson.image('rulemart.gif', impl='bitImageColumn')
Epson.set(font='a')
Epson.text('Rule : ' + str(rulenum) + '\n')
Epson.text('Lines : ' + str(linesperpage) + '\n')
Epson.text(datetime.datetime.now().strftime('Date : %Y/%m/%d %H:%M:%S\n'))
output('\x1b\x21\x01', lf=False) # font 'b', 56 chars wide
output('\x1b\x33\x20', lf=False) # line spacing
output(ret * 3, lf=False)
rule30(rule=rulenum)
output(ret * 3, lf=False)
Epson.barcode(code=datetime.datetime.now().strftime("%Y%m%d%H%M%S"),
bc='CODE93',
function_type='B')
output(ret * 2, lf=False)
Epson.set(align='center', font='a')
Epson.text('Thank you! Please rule again.')
