Update waiting time, update Exceptions

src/printer.py

@@ -69,7 +69,7 @@ class Printer(object):
 
         # TODO: This could happen directly when creating a new Printer class
         if os.getenv("FLASK_DEBUG"):
-            waiting_elapsed = 15
+            waiting_elapsed = 3
         else:
             waiting_elapsed = 10
 
@@ -82,19 +82,18 @@ class Printer(object):
                 p = escpos.printer.Usb(
                     self.device_id, self.vendor_id, 0, profile="TM-P80"
                 )
-            except Exception as e:
+            except RuntimeError as e:
                 self.app.logger.error(
                     "The USB device is not plugged in, trying again %s : %s",
                     waiting_elapsed,
                     str(e),
                 )
-                pass
 
             try:
                 if p.is_online():
                     self.ready = True
                     self.app.logger.debug("Printer online !")
-            except Exception as e:
+            except RuntimeError as e:
                 self.app.logger.error(
                     "Error while getting the printer online %s : %s",
                     waiting_elapsed,
@@ -154,7 +153,7 @@ class Printer(object):
             self.app.logger.warning(
                 "Could not print message of this length: " + str(len(clean_msg))
             )
-            raise Exception(
+            raise RuntimeError(
                 "Could not print message of this length :"
                 + str(len(clean_msg))
                 + ", needs to be below 4096 caracters long."
@@ -164,7 +163,7 @@ class Printer(object):
             self.app.logger.warning(
                 "Could not print signature of this length: " + str(len(clean_signature))
             )
-            raise Exception(
+            raise RuntimeError(
                 "Could not print signature of this length :"
                 + str(len(clean_signature))
                 + ", needs to be below 256 caracters long."
@@ -256,7 +255,7 @@ class Printer(object):
             self.printer.open(self.usb_args)
             self.printer.qr(content, center=True)
             self.printer.close()
-        except Exception as e:
+        except RuntimeError as e:
             self.printer.close()
             self.app.logger.error(str(e))
             return False