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JSON to POS bill (xprinter) - python win32print

sandakelum priyamantha — Sat, 14 Oct 2023 10:40:49 +0000

json file format

{
    "shop_name": "Grandish",
    "shop_address": "No.29,Gampaha Rd,Ekala",
    "telephone": "Phone: 0777 21 99 88",
    "note": "saa",
    "table_id": "",
    "bill_id": 11,
    "date": "2023-10-11 13:19:01",
    "items": [
        { "Description": "Mongolian Noodless vegitable fride", "Quantity": 1, "Price": 11100 },
        { "Description": "Egg Roti", "Quantity": 9, "Price": 1000 }
    ]
}

python code

from win32 import win32api
import win32print
import win32ui
import json
import sys
import win32con




def printBill(data,printer_name):
    line = "--------------------------------------------------------------------------------------------------"
    dc = win32ui.CreateDC()
    dc.CreatePrinterDC(printer_name)
    dc.StartDoc("Print Text")
    dc.StartPage()
    # header
    y = -10
    font_name = "Arial"
    font_size = 80
    dc.SelectObject(win32ui.CreateFont({
            "name": font_name,
            "height": font_size,
            "weight": 400  # 400 corresponds to normal weight
    }))

    dc.TextOut(145, y, data['shop_name'])

    font_size = 40
    dc.SelectObject(win32ui.CreateFont({
            "name": font_name,
            "height": font_size,
            "weight": 400  # 400 corresponds to normal weight
    }))

    y = y + 65
    dc.TextOut(145,y,"R E S T U R E N T")
    font_size = 30
    dc.SelectObject(win32ui.CreateFont({
            "name": font_name,
            "height": font_size,
            "weight": 400  # 400 corresponds to normal weight
    }))


    y = y + 40
    dc.TextOut(145,y,data['shop_address'])
    y = y + 35
    dc.TextOut(165,y,data['telephone'])

    font_size = 20
    dc.SelectObject(win32ui.CreateFont({
            "name": font_name,
            "height": font_size,
            "weight": 400  # 400 corresponds to normal weight
    }))
    y = y + 25
    dc.TextOut(0,y,line)


    font_size = 30
    dc.SelectObject(win32ui.CreateFont({
            "name": font_name,
            "height": font_size,
            "weight": 400  # 400 corresponds to normal weight
    }))
    y = y+25

    tblData ="Table: "+data['table_id']
    if(data['table_id'] ==""):
        tblData = "Take Away"


    dc.TextOut(0,y,"Bill No: "+str(data['bill_id']))
    # dc.TextOut(0,y"Table: "+data['table_id'])
    dc.TextOut(390,y,tblData)
    y=y + 30
    dc.TextOut(0,y,data['date'])


    font_size = 20
    dc.SelectObject(win32ui.CreateFont({
            "name": font_name,
            "height": font_size,
            "weight": 400  # 400 corresponds to normal weight
    }))
    y = y + 25
    dc.TextOut(0,y,line)


    font_size = 30
    dc.SelectObject(win32ui.CreateFont({
            "name": font_name,
            "height": font_size,
            "weight": 700  # 400 corresponds to normal weight
    }))
    y = y + 25

    total = 0.0

    dc.TextOut(90,y,"Qty")
    dc.TextOut(250,y,"Price")
    dc.TextOut(470,y,"Total")
    y = y+35

    font_size = 20
    dc.SelectObject(win32ui.CreateFont({
            "name": font_name,
            "height": font_size,
            "weight": 400  # 400 corresponds to normal weight
    }))
    dc.TextOut(0,y,line)

    font_size = 30
    dc.SelectObject(win32ui.CreateFont({
            "name": font_name,
            "height": font_size,
            "weight": 400  # 400 corresponds to normal weight
    }))
    y = y+25
    #--------------------------------------------------------------------------
    #dc.TextOut(300,y,"{:>10}".format("%.2f"%i["Price"]))
    #dc.TextOut(430,y, "{:>10}".format("%.2f"% (i["Quantity"] *i["Price"] )))

    for i in data["items"]:
        # dc.SetTextAlign(win32con.TA_LEFT | win32con.TA_BASELINE)
        dc.TextOut(0,y,i["Description"])
        y = y + 35
        dc.TextOut(100,y,str(i["Quantity"]))
        # dc.SetTextAlign(win32con.TA_RIGHT | win32con.TA_BASELINE)
        dc.TextOut(200,y,"{:>10}".format("%.2f"%i["Price"]))
        dc.TextOut(430,y, "{:>10}".format("%.2f"% (i["Quantity"] *i["Price"] )))
        y = y + 35
        total = total + (i["Quantity"] *i["Price"] )

    font_size = 20
    dc.SelectObject(win32ui.CreateFont({
            "name": font_name,
            "height": font_size,
            "weight": 400  # 400 corresponds to normal weight
    }))
    dc.TextOut(0,y,line)

    font_size = 50
    dc.SelectObject(win32ui.CreateFont({
            "name": font_name,
            "height": font_size,
            "weight": 400  # 400 corresponds to normal weight
    }))
    y = y + 25

    dc.TextOut(250,y,"Total: "+str("%.2f"%total))

    font_size = 20
    dc.SelectObject(win32ui.CreateFont({
            "name": font_name,
            "height": font_size,
            "weight": 400  # 400 corresponds to normal weight
    }))
    y = y + 55
    dc.TextOut(0,y,line)


    font_size = 30
    dc.SelectObject(win32ui.CreateFont({
            "name": font_name,
            "height": font_size,
            "weight": 400  # 400 corresponds to normal weight
    }))

    y = y+25
    dc.TextOut(0,y,"Note: "+str(data["note"]))

    font_size = 20
    dc.SelectObject(win32ui.CreateFont({
            "name": font_name,
            "height": font_size,
            "weight": 400  # 400 corresponds to normal weight
    }))
    y = y + 35
    dc.TextOut(0,y,line)



    font_size = 30
    dc.SelectObject(win32ui.CreateFont({
            "name": font_name,
            "height": font_size,
            "weight": 400  # 400 corresponds to normal weight
    }))

    y = y+25
    dc.TextOut(150,y,"Thank You Come Again!")

    font_size = 20
    dc.SelectObject(win32ui.CreateFont({
            "name": font_name,
            "height": font_size,
            "weight": 700  # 400 corresponds to normal weight
    }))
    y = y+35
    dc.TextOut(155,y,"Solution by CodGlo - 0779 438 974")


    y=y+50 
    dc.TextOut(155,y,"")

    dc.EndPage()
    dc.EndDoc()
    dc.DeleteDC()

    pass

def jsonTodict(filepath,printer_name):
    data = {}
    with open(filepath, 'r') as file:
        data = json.load(file)
    print(data)
    printBill(data,printer_name)
    pass


# jsonTodict("11.json","")

num_args = len(sys.argv)
if(num_args == 3):
    printer_name = sys.argv[1]
    file_path = sys.argv[2]
    jsonTodict(file_path,printer_name)

DEV Community: sandakelum priyamantha

I Created ChatPin: A Chrome Extension for ChatGPT Users! 📌

ChatGPT #ChatPin #ChromeExtension #TechInnovation 🚀

JSON to POS bill (xprinter) - python win32print

json file format

python code