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Apply formating, light linting

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n07070
2026-11-13 19:51:32 +01:00
parent adb5e9422d
commit 070f037449
4 changed files with 74 additions and 48 deletions
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72
src/printer.py
View File

@@ -10,9 +10,9 @@ import time
from enum import Enum from enum import Enum
import uuid import uuid
import threading import threading
import usb.core
from pathlib import Path from pathlib import Path
from uuid import uuid4 from uuid import uuid4
import usb.core
from PIL import Image, ImageEnhance, ImageDraw, ImageFont from PIL import Image, ImageEnhance, ImageDraw, ImageFont
import numpy as np import numpy as np
@@ -124,7 +124,9 @@ class EscPosPrinter(Printer):
try: try:
# This also calls open(), which we need to close() # This also calls open(), which we need to close()
# or else the device will appear as busy. # or else the device will appear as busy.
p = escpos.printer.Usb(self.vendor_id, self.device_id, 0, profile=configuration_file["profile"]) p = escpos.printer.Usb(
self.vendor_id, self.device_id, 0, profile=configuration_file["profile"]
)
except escpos.exceptions.DeviceNotFoundError as e: except escpos.exceptions.DeviceNotFoundError as e:
self.app.logger.error( self.app.logger.error(
"The USB device is not plugged in : %s", "The USB device is not plugged in : %s",
@@ -221,7 +223,8 @@ class EscPosPrinter(Printer):
raise RuntimeError( raise RuntimeError(
"Could not print message of this length :" "Could not print message of this length :"
+ str(len(clean_msg)) + str(len(clean_msg))
+ ", needs to be below %s caracters long.", str(self.configuration_file["text_max_length"]) + ", needs to be below %s caracters long.",
str(self.configuration_file["text_max_length"]),
) )
if len(signature) > int(self.configuration_file["signature_max_length"]): if len(signature) > int(self.configuration_file["signature_max_length"]):
self.app.logger.warning( self.app.logger.warning(
@@ -230,7 +233,8 @@ class EscPosPrinter(Printer):
raise RuntimeError( raise RuntimeError(
"Could not print signature of this length :" "Could not print signature of this length :"
+ str(len(clean_signature)) + str(len(clean_signature))
+ ", needs to be below %s caracters long.", str(self.configuration_file["signature_max_length"]) + ", needs to be below %s caracters long.",
str(self.configuration_file["signature_max_length"]),
) )
# Do the actual printing # Do the actual printing
@@ -262,10 +266,10 @@ class EscPosPrinter(Printer):
raise RuntimeError( raise RuntimeError(
"Could not print signature of this length :" "Could not print signature of this length :"
+ str(len(clean_signature)) + str(len(clean_signature))
+ ", needs to be below %s caracters long.", str(self.configuration_file["signature_max_length"]) + ", needs to be below %s caracters long.",
str(self.configuration_file["signature_max_length"]),
) )
if not os.path.isfile(str(path)): if not os.path.isfile(str(path)):
self.app.logger.warning("File does not exist : " + str(path)) self.app.logger.warning("File does not exist : " + str(path))
raise OSError( raise OSError(
@@ -310,9 +314,7 @@ class EscPosPrinter(Printer):
try: try:
self.printer.close() self.printer.close()
except Exception as e: except Exception as e:
self.app.logger.error( self.app.logger.error("Could not close the printer connexion %s", str(e))
"Could not close the printer connexion %s", str(e)
)
raise RuntimeError("Could not close the printer connexion. ") from e raise RuntimeError("Could not close the printer connexion. ") from e
self.app.logger.info("Printed a picture") self.app.logger.info("Printed a picture")
@@ -456,7 +458,9 @@ class BrotherPrinter(Printer):
vendor_id=vendor_id, vendor_id=vendor_id,
product_id=self.device_id, product_id=self.device_id,
serial_number=serial_number, serial_number=serial_number,
label_type=configuration_file["label_type"], # TODO: Implement automatic label type detection : https://framagit.org/stickoeur/diagnostickoeur/-/blob/no-masters/printit.py?ref_type=heads#L239 label_type=configuration_file[
"label_type"
], # TODO: Implement automatic label type detection : https://framagit.org/stickoeur/diagnostickoeur/-/blob/no-masters/printit.py?ref_type=heads#L239
) )
self.app.logger.debug("Created a Brother printer !") self.app.logger.debug("Created a Brother printer !")
self.ready = True self.ready = True
@@ -472,7 +476,12 @@ class BrotherPrinter(Printer):
self._print_img(text_to_image(msg)) self._print_img(text_to_image(msg))
self._print_img(text_to_image(signature)) self._print_img(text_to_image(signature))
def _print_img(self, data, signature="", process=False,): def _print_img(
self,
data,
signature="",
process=False,
):
""" """
Print a raster image via a Brother QL printer Print a raster image via a Brother QL printer
""" """
@@ -512,20 +521,20 @@ class BrotherPrinter(Printer):
# del be # del be
instructions = convert( instructions = convert(
qlr=qlr, qlr=qlr,
images=[im], images=[im],
label=self.printer_info.label_type, label=self.printer_info.label_type,
dither=True, dither=True,
compress=False, compress=False,
dpi_600=False, dpi_600=False,
cut=False, cut=False,
) )
success = send( success = send(
instructions=instructions, instructions=instructions,
printer_identifier=BACKEND_STRING_DESCR, printer_identifier=BACKEND_STRING_DESCR,
backend_identifier="pyusb", backend_identifier="pyusb",
blocking=False blocking=False,
) )
self.app.logger.debug(str(success)) self.app.logger.debug(str(success))
@@ -534,7 +543,7 @@ class BrotherPrinter(Printer):
except usb.core.USBError as e: except usb.core.USBError as e:
if "timeout error" in str(e): if "timeout error" in str(e):
self.app.logger.error("USB Timeout Error %s", str(e) ) self.app.logger.error("USB Timeout Error %s", str(e))
except Exception as e: except Exception as e:
raise e raise e
# finally: # finally:
@@ -560,27 +569,25 @@ class BrotherPrinter(Printer):
# be.dispose() # be.dispose()
# del be # del be
instructions = convert( instructions = convert(
qlr=qlr, qlr=qlr,
images=[signature_file], images=[signature_file],
label=self.printer_info.label_type, label=self.printer_info.label_type,
dither=True, dither=True,
compress=False, compress=False,
dpi_600=False, dpi_600=False,
cut=False, cut=False,
) )
success = send( success = send(
instructions=instructions, instructions=instructions,
printer_identifier=BACKEND_STRING_DESCR, printer_identifier=BACKEND_STRING_DESCR,
backend_identifier="pyusb", backend_identifier="pyusb",
blocking=False blocking=False,
) )
self.app.logger.debug(str(success)) self.app.logger.debug(str(success))
self.app.logger.debug("Printed signature") self.app.logger.debug("Printed signature")
time.sleep(2) time.sleep(2)
except Exception as e: except Exception as e:
raise e raise e
finally: finally:
@@ -619,7 +626,6 @@ class BrotherPrinter(Printer):
except Exception as e: except Exception as e:
raise e raise e
def _qr(self): def _qr(self):
# This should not be reached by a print on a BrotherQL # This should not be reached by a print on a BrotherQL
raise NotImplementedError() raise NotImplementedError()

33
src/printers.py
View File

@@ -91,25 +91,35 @@ class Printers:
) )
match (manufacturer): match (manufacturer):
case ("EPSON"): case "EPSON":
try: try:
# We create a new EscPosPrinter() # We create a new EscPosPrinter()
self.app.logger.debug("Trying to create a new EPSON printer") self.app.logger.debug("Trying to create a new EPSON printer")
prid = dev.idProduct prid = dev.idProduct
vendir = dev.idVendor vendir = dev.idVendor
escpos_printer = EscPosPrinter(self.app, vendir, prid, self.configuration_file["printer"]["epson"] ) escpos_printer = EscPosPrinter(
self.app,
vendir,
prid,
self.configuration_file["printer"]["epson"],
)
except Exception as e: except Exception as e:
raise e raise e
# If the object creation is successfull, we add it to the list of Printers # If the object creation is successfull, we add it to the list of Printers
printers.add(escpos_printer) printers.add(escpos_printer)
self.app.logger.debug("Found a %s printer", manufacturer) self.app.logger.debug("Found a %s printer", manufacturer)
case ("Brother"): case "Brother":
try: try:
# We create a new BrotherPrinter() # We create a new BrotherPrinter()
self.app.logger.debug("Trying to create a new BROTHER printer") self.app.logger.debug("Trying to create a new BROTHER printer")
brother_printer = BrotherPrinter(self.app, dev.idVendor, dev.idProduct, self.configuration_file["printer"]["brother"] ) brother_printer = BrotherPrinter(
self.app,
dev.idVendor,
dev.idProduct,
self.configuration_file["printer"]["brother"],
)
except Exception as e: except Exception as e:
self.app.logger.error( self.app.logger.error(
"Could not create a %s printer class with %s:%s", "Could not create a %s printer class with %s:%s",
@@ -122,8 +132,10 @@ class Printers:
# If the object creation is successfull, we add it to the list of Printers # If the object creation is successfull, we add it to the list of Printers
printers.add(brother_printer) printers.add(brother_printer)
self.app.logger.debug("Found a %s printer", manufacturer) self.app.logger.debug("Found a %s printer", manufacturer)
case (_): case _:
self.app.logger.debug("Found a printer of unknown manufacturer : %s", manufacturer) self.app.logger.debug(
"Found a printer of unknown manufacturer : %s", manufacturer
)
# end match # end match
self.app.logger.debug("Found %s printers", len(printers)) self.app.logger.debug("Found %s printers", len(printers))
@@ -160,7 +172,14 @@ class Printers:
"""Return the current list of printers""" """Return the current list of printers"""
printers_info_list = [] printers_info_list = []
for i in self.printers: for i in self.printers:
printers_info_list.append([i.printer_type.name,"Used: " + str(i.used), "Ready: " + str(i.ready),i.printer_info]) printers_info_list.append(
[
i.printer_type.name,
"Used: " + str(i.used),
"Ready: " + str(i.ready),
i.printer_info,
]
)
return printers_info_list return printers_info_list

4
src/web.py
View File

@@ -41,7 +41,9 @@ class Web:
return True return True
def print_image(self, image, sign: str, do_cut: bool, process_image: bool, many: int = 1) -> bool: def print_image(
self, image, sign: str, do_cut: bool, process_image: bool, many: int = 1
) -> bool:
""" """
Get an image and a signature, prints the image and cuts after that. Get an image and a signature, prints the image and cuts after that.
""" """

13
src/worker.py
View File

@@ -45,7 +45,9 @@ class PrintWorker(threading.Thread):
self.app.logger.debug("Ho great, I'm alive... I'm ready to work another day...") self.app.logger.debug("Ho great, I'm alive... I'm ready to work another day...")
def _acquire_available_printer(self): def _acquire_available_printer(self):
result = self.printers.acquire_available_printer(start_index=self._printer_index) result = self.printers.acquire_available_printer(
start_index=self._printer_index
)
if result is None: if result is None:
return None return None
@@ -81,17 +83,14 @@ class PrintWorker(threading.Thread):
) )
self.printer = self._acquire_available_printer() self.printer = self._acquire_available_printer()
self.app.logger.debug( self.app.logger.debug(
"The worker got a %s printer and it's %s",
"The worker got a %s printer and it's %s", self.printer.printer_type,
self.printer.printer_type, "Ready" if self.printer.ready else "Not ready",
"Ready" if self.printer.ready else "Not ready",
) )
if self.printer is None: if self.printer is None:
time.sleep(1) time.sleep(1)
self.printer.use_printer() self.printer.use_printer()
# If the printer is not ready, we wait for it to become ready. # If the printer is not ready, we wait for it to become ready.