Fix small glitches

.github/ISSUE_TEMPLATE/document-issues.md

@@ -8,7 +8,7 @@ assignees: ''
 <!--
 This repository is intended for software developers with experience managing Python programs. We will not respond to requests related to development challenges or difficulties in using the software.
 
-Generic reports that do not reference specific wording in the README will not be addressed.
+This section is only for document issues and related improvement requests (not for software). Generic reports that do not reference specific wording in the README will not be addressed.
  
 Please do not expect immediate responses. We will review cases only when it is feasible to do so.
 -->

.github/ISSUE_TEMPLATE/software-bug-report.md

@@ -16,5 +16,8 @@ A clear and concise description of the bug, including steps to reproduce the beh
 This option is only for software bugs.
 We do not accept questions about usage clarifications or requests about printers.
 
+**Software version**
+The exact version of the tested software.
+
 **Additional context**
 Feel free to add any other context about the problem here.

.github/workflows/build.yml

@@ -40,7 +40,9 @@ jobs:
         run: >
           echo "The *epson_print_conf.exe* executable file in the
           *epson_print_conf.zip* archive within the assets below is
-          auto-generated by a [GitHub Action](.github/workflows/build.yml)."
+          auto-generated by a [GitHub Action](.github/workflows/build.yml).\n\n
+          Check the [History of modifications]
+          (https://github.com/Ircama/epson_print_conf/commits/main/)."
           > ${{ github.workspace }}-CHANGELOG.txt
 
       - name: Create Release, uploading the epson_print_conf.zip asset
@@ -50,7 +52,7 @@ jobs:
           body_path: ${{ github.workspace }}-CHANGELOG.txt
           files: dist/epson_print_conf.zip
           append_body: true
-          generate_release_notes: true
+          generate_release_notes: false
 
       - name: Remove old releases
         uses: Nats-ji/delete-old-releases@v1

epson_print_conf.py

@@ -26,7 +26,7 @@
     import importlib.machinery
 except ImportError:
     pass
-from pysnmp.hlapi.v1arch import *
+from pysnmp.hlapi.v1arch import *  # this imports UdpTransportTarget
 
 from pyasn1.type.univ import OctetString as OctetStringType
 from itertools import chain
@@ -263,36 +263,6 @@ class EpsonPrinter:
             },
             "serial_number": range(192, 202),
         },
-        """
-        "L3250": {
-            "alias": ["L3251", "L3253", "L3255"],
-            "read_key": [74, 54],
-            "write_key": b'Maribaya',
-            "serial_number": range(1604, 1614),
-            "main_waste": {"oids": [48, 49, 47], "divider": 63.45},
-            "second_waste": {"oids": [50, 51, 47], "divider": 34.15},
-            "third_waste": {"oids": [252, 253, 254], "divider": 13},
-            "raw_waste_reset": {
-                48: 0, 49: 0, 47: 0, 52: 0, 53: 0, 54: 94, 50: 0, 51: 0,
-                55: 94, 28: 0, 252: 0, 253: 0, 254: 0, 255: 94
-            },
-            "last_printer_fatal_errors": [
-                289, 288, 291, 290, 293, 292, 295, 294, 297, 296, 1831, 1832,
-                1833, 1834, 1835, 2037, 2036, 2039, 2038, 2041, 2040, 2043,
-                2042, 2045, 2044],
-            "stats": {
-                "Maintenance required level of 1st waste ink counter": [54],
-                "Maintenance required level of 2nd waste ink counter": [55],
-                "Maintenance required level of 3rd waste ink counter": [255],
-                "Manual cleaning counter": [90],
-                "Timer cleaning counter": [89],
-                "Power cleaning counter": [91],
-                "Total print pass counter": [133, 132, 131, 130],
-                "Total print page counter": [776, 775, 774, 773],
-                "Total scan counter": [1843, 1842, 1841, 1840],
-            },
-        },
-        """
         "ET-2400": {
             "alias": ["ET-2401", "ET-2403", "ET-2405"],
             "read_key": [74, 54],
@@ -1154,7 +1124,7 @@ def snmp_mib(self, mib: str, label: str = "unknown") -> (str, Any):
                 )
         except Exception as e:
             logging.critical("snmp_mib invalid address: %s", e)
-            quit(3)                    
+            return None, False
         if self.timeout is not None:
             utt.timeout = self.timeout
         if self.retries is not None:

ui.py

@@ -892,8 +892,14 @@ def save_to_file(self):
 
     def load_from_file(self, file_type, type):
         # Open file dialog to select the file
+        self.show_status_text_view()
         file_path = filedialog.askopenfilename(**file_type)
+        self.config(cursor="watch")
+        self.update_idletasks()
+        self.update()
         if not file_path:
+            self.config(cursor="")
+            self.update_idletasks()
             self.show_status_text_view()
             self.status_text.insert(
                 tk.END,
@@ -905,6 +911,8 @@ def load_from_file(self, file_type, type):
                 with open(file_path, 'rb') as pickle_file:
                     self.conf_dict = pickle.load(pickle_file)
             except Exception as e:
+                self.config(cursor="")
+                self.update_idletasks()
                 self.show_status_text_view()
                 if not file_path.tell():
                     self.status_text.insert(
@@ -928,6 +936,7 @@ def load_from_file(self, file_type, type):
             ):
                 self.model_var.set(self.conf_dict["internal_data"]["default_model"])
         else:
+            self.config(cursor="watch")
             self.status_text.insert(
                 tk.END,
                 f"[INFO] Converting file, please wait...\n"
@@ -938,6 +947,7 @@ def load_from_file(self, file_type, type):
             if type == 2:
                 printer_config = generate_config_from_toml(config=file_path)
             if not printer_config:
+                self.config(cursor="")
                 self.show_status_text_view()
                 self.status_text.insert(
                     tk.END,
@@ -949,6 +959,8 @@ def load_from_file(self, file_type, type):
             conf_dict=self.conf_dict,
             replace_conf=self.replace_conf
         ).valid_printers)
+        self.config(cursor="")
+        self.update_idletasks()
         if file_path:
             self.show_status_text_view()
             self.status_text.insert(
@@ -1299,7 +1311,13 @@ def get_ser_number(self, cursor=True):
             return
         if not self.printer:
             return
-        ser_num = self.printer.get_serial_number()
+        try:
+            ser_num = self.printer.get_serial_number()
+        except Exception as e:
+            self.handle_printer_error(e)
+            self.config(cursor="")
+            self.update_idletasks()
+            return
         if not ser_num or "?" in ser_num:
             self.status_text.insert(
                 tk.END,
@@ -1332,7 +1350,13 @@ def get_mac_address(self, cursor=True):
             return
         if not self.printer:
             return
-        mac_addr = self.printer.get_wifi_mac_address()
+        try:
+            mac_addr = self.printer.get_wifi_mac_address()
+        except Exception as e:
+            self.handle_printer_error(e)
+            self.config(cursor="")
+            self.update_idletasks()
+            return
         if not mac_addr:
             self.status_text.insert(
                 tk.END,