Printing working now. The env file for the worker needs to know the printer name.
Then, the address can be used to print the data.
This commit is contained in:
parent
ea2bfb1c0c
commit
d851714136
16
.env
16
.env
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@ -1,18 +1,18 @@
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HOST=0.0.0.0
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PORT=6543
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LOG_LEVEL=WARN
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PORT=9995
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LOG_LEVEL=INFO
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DEBUG=true
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SQLALCHEMY_DATABASE_URI=
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SQLALCHEMY_DATABASE_URI=postgresql://postgres:123456@localhost:5432/petty
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MODULE_NAME=barker.main
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PROJECT_NAME=barker
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REDIS_HOST=
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REDIS_HOST=localhost
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REDIS_PORT=6379
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# openssl rand -hex 32
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SECRET_KEY=
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SECRET_KEY=611f9393e58f85521d16d9497bfd847ced70f2b99e12a9c6af40b7bd05cc7b1d
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# openssl rand -hex 5
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MIDDLEWARE_SECRET_KEY=
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MIDDLEWARE_SECRET_KEY=c4afceca1a
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ALGORITHM=HS256
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JWT_TOKEN_EXPIRE_MINUTES=30
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@ -21,3 +21,7 @@ TIMEZONE_OFFSET_MINUTES=330
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ALEMBIC_LOG_LEVEL=INFO
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ALEMBIC_SQLALCHEMY_LOG_LEVEL=WARN
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WORKER_REDIS_HOST=
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WORKER_REDIS_PORT=6379
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WORKER_QUEUE_NAME=""
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@ -2,4 +2,4 @@ from arq.connections import RedisSettings
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from barker.core.config import settings as sett
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settings = RedisSettings(host=sett.REDIS_HOST, port=sett.REDIS_PORT)
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settings = RedisSettings(host=sett.WORKER_REDIS_HOST, port=sett.WORKER_REDIS_PORT)
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@ -24,6 +24,10 @@ class Settings(BaseSettings):
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ALEMBIC_LOG_LEVEL: str = "INFO"
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ALEMBIC_SQLALCHEMY_LOG_LEVEL: str = "WARN"
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WORKER_REDIS_HOST: str = "127.0.0.1"
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WORKER_REDIS_PORT: int = 6379
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WORKER_QUEUE_NAME: str = "arq:queue"
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class Config:
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case_sensitive = True
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env_file = ".env"
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@ -51,7 +51,11 @@ def print_bill(voucher_id: uuid.UUID, db: Session):
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get_tax_item(i.tax.id, i.tax.name, i.tax_amount, tax)
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data = design_bill(voucher, items_dict.values(), tax.values(), db)
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redis: ArqRedis = asyncio.run(create_pool(redis_settings))
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asyncio.run(redis.enqueue_job("sent_to_printer", data, printer.address, printer.cut_code))
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asyncio.run(
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redis.enqueue_job(
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"sent_to_printer", data, printer.address, "\x1dV\x41\x03", _queue_name=f"barker:print:{printer.name}"
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)
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)
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def get_tax_item(id_: uuid.UUID, tax_name: str, amount: Decimal, tax_dict: {}) -> None:
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@ -28,7 +28,11 @@ def print_cashier_report(report: CashierReport, device_id: uuid.UUID, db: Sessio
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)
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redis: ArqRedis = asyncio.run(create_pool(redis_settings))
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asyncio.run(redis.enqueue_job("sent_to_printer", data, printer.address, printer.cut_code))
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asyncio.run(
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redis.enqueue_job(
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"sent_to_printer", data, printer.address, "\x1dV\x41\x03", _queue_name=f"barker:print:{printer.name}"
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)
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)
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def design_cashier_report(report: CashierReport):
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@ -26,7 +26,11 @@ def print_discount_report(report: DiscountReport, device_id: uuid.UUID, db: Sess
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)
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redis: ArqRedis = asyncio.run(create_pool(redis_settings))
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asyncio.run(redis.enqueue_job("sent_to_printer", data, printer.address, printer.cut_code))
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asyncio.run(
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redis.enqueue_job(
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"sent_to_printer", data, printer.address, "\x1dV\x41\x03", _queue_name=f"barker:print:{printer.name}"
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)
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)
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def design_discount_report(report: DiscountReport):
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@ -113,4 +113,12 @@ def print_kot(voucher_id: uuid.UUID, db: Session):
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printer, items = value
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for c in range(int(copies)):
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data = design_kot(voucher, kot, items, c, db)
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asyncio.run(redis.enqueue_job("sent_to_printer", data, printer.address, printer.cut_code))
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asyncio.run(
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redis.enqueue_job(
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"sent_to_printer",
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data,
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printer.address,
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"\x1dV\x41\x03",
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_queue_name=f"barker:print:{printer.name}",
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)
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)
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@ -28,7 +28,11 @@ def print_sale_report(report: SaleReport, device_id: uuid.UUID, db: Session):
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)
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redis: ArqRedis = asyncio.run(create_pool(redis_settings))
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asyncio.run(redis.enqueue_job("sent_to_printer", data, printer.address, printer.cut_code))
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asyncio.run(
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redis.enqueue_job(
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"sent_to_printer", data, printer.address, "\x1dV\x41\x03", _queue_name=f"barker:print:{printer.name}"
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)
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)
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def design_sale_report(report: SaleReport):
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@ -4,16 +4,24 @@ import sys # noqa: F401
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async def sent_to_printer(ctx: dict, data: str, address: str, cut_code: str):
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print(data, address, cut_code)
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# try:
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# regex = re.compile(r'pdl://(?P<host>[\w\d.-]+):(?P<port>[\d]+)')
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# match = regex.match(address)
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# s = socket.socket()
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# s.connect((match.group("host"), int(match.group("port"))))
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# s.send(bytearray(data + cut_code, "ascii"))
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# except LookupError as e:
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# print("Lookup error:", e)
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# except:
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# print("Unexpected error:", sys.exc_info()[0])
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# finally:
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# s.close()
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print(ctx, data, address, cut_code)
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try:
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with open(address, "w") as printer:
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printer.write(data)
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printer.write("\n")
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print(cut_code)
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printer.write(cut_code)
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except LookupError as e:
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print("Lookup error:", e)
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except: # noqa: E722
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print("Unexpected error:", sys.exc_info()[0])
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# GS = "\x1d"
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# PAPER_CUT = GS + "V"
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# # For the printer ESC/POS Reference
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# # https://reference.epson-biz.com/modules/ref_escpos/index.php?content_id=87
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# # The m codes are in decimal and can be converted using the following table
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# # https://www.eso.org/~ndelmott/ascii.html
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# # The \x03 in all the following is to feed 3 lines before cut it can be increased or reduced
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# FUNCTION_B_FULL_CUT = "\x41\x03"
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# FUNCTION_B_PARTIAL_CUT = "\x42\x03"
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@ -1,5 +1,7 @@
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import sys
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from aiohttp import ClientSession
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from barker.core.config import settings as sett
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from barker.tasks.printing import sent_to_printer
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from .core.arq import settings
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sys.path.extend(["./"])
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async def startup(ctx):
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ctx["session"] = ClientSession()
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print(f"Worker listening for: {sett.WORKER_QUEUE_NAME}")
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print(f"Worker printing on: {sett.WORKER_PRINTER_ADDRESS}")
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async def shutdown(ctx):
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await ctx["session"].close()
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class WorkerSettings:
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"""
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Settings for the ARQ worker.
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"""
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queue_name = f"barker:printer:{sett.WORKER_QUEUE_NAME}"
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redis_settings = settings
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functions: list = [sent_to_printer]
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on_startup = startup
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on_shutdown = shutdown
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# command to run arq barker.worker.WorkerSettings
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