n07070/littleprynter
n07070/littleprynter
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Remove flash from the printer class, update web class

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This commit is contained in:
nono 2025-10-16 18:36:16 +02:00
parent dfeb1be0f0
commit eac737b889
2 changed files with 9 additions and 13 deletions
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18
src/printer.py
View File

@ -1,5 +1,4 @@
# Importing the module to mage the connection to the printer.
from flask import flash
from escpos.printer import Usb, USBNotFoundError
from time import sleep, gmtime, strftime
import os.path
@ -46,12 +45,10 @@ class Printer(object):
match status:
case 0:
self.app.logger.error('Printer has no more paper, aborting...')
flash("No more paper on the printer. Sorry.",category='error')
self.printer.close()
raise Exception("No more paper in the printer")
case 1:
self.app.logger.warning('Printer needs paper to be changed very soon ! ')
flash('Printer needs paper to be changed very soon ! ', category='info')
self.printer.close()
case 2:
self.app.logger.debug('Printer has paper, good to go')
@ -101,7 +98,7 @@ class Printer(object):
return True
def print_sms(self, msg, signature) -> None:
def print_sms(self, msg, signature="Guest") -> None:
clean_msg = str(msg)
clean_signature = str(signature)
@ -109,7 +106,7 @@ class Printer(object):
self.app.logger.warning("Could not print message of this length: " + str(len(clean_msg)))
raise Exception("Could not print message of this length :" + str(len(clean_msg)) + ", needs to between 3 and 4096 caracters long.")
if len(signature) > 256 or len(signature) < 3:
if len(signature) > 256 or len(signature) < 1:
self.app.logger.warning("Could not print signature of this length: " + str(len(clean_signature)))
raise Exception("Could not print signature of this length :" + str(len(clean_signature)) + ", needs to between 3 and 256 caracters long.")
@ -133,13 +130,12 @@ class Printer(object):
self.app.logger.error("Unable to print because : " + str(e))
raise e
flash("Message printed : " + clean_msg ,category='info')
return True
def print_img(self, path, sign) -> None:
clean_signature = str(sign)
if len(sign) > 256 or len(sign) < 3:
if len(sign) > 256 or len(sign) < 1:
self.app.logger.warning("Could not print signature of this length: " + str(len(clean_signature)))
raise Exception("Could not print signature of this length :" + str(len(clean_signature)) + ", needs to between 3 and 256 caracters long.")
@ -160,10 +156,10 @@ class Printer(object):
try:
self.check_paper()
self.printer.open(self.usb_args)
self.printer.textln("Printed by LittlePrinter ")
self.printer.textln("n07070.xyz/articles/littleprynter")
self.printer.textln("> " + clean_signature + " @ " + strftime("%Y-%m-%d %H:%M:%S", gmtime()))
self.printer.image(path)
self.printer.textln("Printed by LittlePrynter ")
self.printer.textln("n07070.xyz/articles/littleprynter")
self.printer.textln(clean_signature + " @ " + strftime("%Y-%m-%d %H:%M:%S", gmtime()))
self.printer.cut()
self.printer.close()
self.app.logger.debug("Printed an image : " + str(path))
@ -214,7 +210,7 @@ def process_image(self, path):
# Final resize check
if original_img.height > max_height:
flash("Image is too long, sorry! Keep it below 575×1000 pixels.", 'error')
raise ValueError("Image is too long, sorry! Keep it below 575×1000 pixels.")
self.app.logger.error("Image is too long, sorry! Keep it below 575×1000 pixels.")
return False

4
src/web.py
View File

@ -21,7 +21,7 @@ class Web(object):
self.app.logger.error(e)
flash("Error while printing the SMS : "+ str(e))
flash("You message has been printed :)")
flash("You message " + str( texte ) + " has been printed :)")
def print_image(self, image, sign: str):
@ -57,7 +57,7 @@ class Web(object):
self.app.logger.debug("File saved")
except Exception as e:
self.app.logger.error("Could not save file")
flash(e,'error')
flash(str(e),'error')
return False
self.app.logger.debug("File saved to " + str(os.path.join(self.app.config['UPLOAD_FOLDER'], filename)))