Add user interface (#6)

- Add user interface
- Add L386
- Fix pysnmp for newer python versions
- Add requirements.txt
- Add printer discovery script
- Add UI script
- Fix ping opening window in pyinstaller exe
- remove scapy from requirements.txt
- improve comment formatting
- scan all local ips
- Fix power off timer write function
- Update L386 config

ui.py

@@ -0,0 +1,126 @@
+import tkinter as tk
+from tkinter import ttk
+from tkinter.scrolledtext import ScrolledText
+import threading
+import ipaddress
+from epson_print_conf import EpsonPrinter
+from find_printers import PrinterScanner
+from pprint import pformat
+
+class EpsonPrinterUI(tk.Tk):
+    def __init__(self):
+        super().__init__()
+        self.title("Epson Printer Configuration")
+        self.geometry("450x400")
+        
+        # configure the main window to be resizable
+        self.columnconfigure(0, weight=1)
+        self.rowconfigure(0, weight=1)
+        
+        # main Frame
+        main_frame = ttk.Frame(self, padding="10")
+        main_frame.grid(row=0, column=0, sticky=(tk.W, tk.E, tk.N, tk.S))
+        main_frame.columnconfigure(0, weight=1)
+        main_frame.rowconfigure(3, weight=1)
+        
+        # printer model selection
+        model_frame = ttk.LabelFrame(main_frame, text="Printer Model", padding="10")
+        model_frame.grid(row=0, column=0, pady=10, sticky=(tk.W, tk.E))
+        model_frame.columnconfigure(1, weight=1)
+        
+        self.model_var = tk.StringVar()
+        ttk.Label(model_frame, text="Select Printer Model:").grid(row=0, column=0, sticky=tk.W, padx=5)
+        self.model_dropdown = ttk.Combobox(model_frame, textvariable=self.model_var)
+        self.model_dropdown['values'] = sorted(list(EpsonPrinter.PRINTER_CONFIG.keys()))
+        self.model_dropdown.grid(row=0, column=1, pady=5, padx=5, sticky=(tk.W, tk.E))
+        
+        # IP address entry
+        ip_frame = ttk.LabelFrame(main_frame, text="Printer IP Address", padding="10")
+        ip_frame.grid(row=1, column=0, pady=10, sticky=(tk.W, tk.E))
+        ip_frame.columnconfigure(1, weight=1)
+        
+        self.ip_var = tk.StringVar()
+        ttk.Label(ip_frame, text="Enter Printer IP Address:").grid(row=0, column=0, sticky=tk.W, padx=5)
+        self.ip_entry = ttk.Entry(ip_frame, textvariable=self.ip_var)
+        self.ip_entry.grid(row=0, column=1, pady=5, padx=5, sticky=(tk.W, tk.E))
+        
+        # buttons
+        button_frame = ttk.Frame(main_frame, padding="10")
+        button_frame.grid(row=2, column=0, pady=10, sticky=(tk.W, tk.E))
+        button_frame.columnconfigure((0, 1, 2), weight=1)
+        
+        self.detect_button = ttk.Button(button_frame, text="Detect Printers", command=self.start_detect_printers)
+        self.detect_button.grid(row=0, column=0, padx=5, pady=5, sticky=(tk.W, tk.E))
+        
+        self.status_button = ttk.Button(button_frame, text="Print Status", command=self.print_status)
+        self.status_button.grid(row=0, column=1, padx=5, pady=5, sticky=(tk.W, tk.E))
+        
+        self.reset_button = ttk.Button(button_frame, text="Reset Waste Ink Levels", command=self.reset_waste_ink)
+        self.reset_button.grid(row=0, column=2, padx=5, pady=5, sticky=(tk.W, tk.E))
+        
+        # status display
+        status_frame = ttk.LabelFrame(main_frame, text="Status", padding="10")
+        status_frame.grid(row=3, column=0, pady=10, sticky=(tk.W, tk.E, tk.N, tk.S))
+        status_frame.columnconfigure(0, weight=1)
+        status_frame.rowconfigure(0, weight=1)
+        
+        self.status_text = ScrolledText(status_frame, height=10, width=50, wrap=tk.WORD)
+        self.status_text.grid(row=0, column=0, pady=5, padx=5, sticky=(tk.W, tk.E, tk.N, tk.S))
+    
+    def print_status(self):
+        model = self.model_var.get()
+        ip_address = self.ip_var.get()
+        if not model or not self._is_valid_ip(ip_address):
+            self.status_text.insert(tk.END, "[ERROR] Please select a printer model and enter a valid IP address.\n")
+            return
+        printer = EpsonPrinter(model=model, hostname=ip_address)
+
+        try:
+            self.status_text.insert(tk.END, f"[INFO] {pformat(printer.stats())}\n")
+        except Exception as e:
+            self.status_text.insert(tk.END, f"[ERROR] {e}\n")
+        
+    def reset_waste_ink(self):
+        model = self.model_var.get()
+        ip_address = self.ip_var.get()
+        if not model or not self._is_valid_ip(ip_address):
+            self.status_text.insert(tk.END, "[ERROR] Please select a printer model and enter a valid IP address.\n")
+            return
+        printer = EpsonPrinter(model=model, hostname=ip_address)
+        try:
+            printer.reset_waste_ink_levels()
+            self.status_text.insert(tk.END, "[INFO] Waste ink levels have been reset.\n")
+        except Exception as e:
+            self.status_text.insert(tk.END, f"[ERROR] {e}\n")
+    
+    def start_detect_printers(self):
+        self.status_text.insert(tk.END, "[INFO] Detecting printers... (this might take a while)\n")
+        self.detect_button.config(state=tk.DISABLED) # disable button while processing
+        
+        # run printer detection in new thread, as it can take a while
+        threading.Thread(target=self.detect_printers).start()
+    
+    def detect_printers(self):
+        printer_scanner=PrinterScanner()
+        try:
+            printers = printer_scanner.get_all_printers()
+            if len(printers) > 0:
+                for printer in printers:
+                    self.status_text.insert(tk.END, f"[INFO] {printer['name']} found at {printer['ip']} (hostname: {printer['hostname']})\n")
+            else:
+                self.status_text.insert(tk.END, "[WARN] No printers found.\n")
+        except Exception as e:
+            self.status_text.insert(tk.END, f"[ERROR] {e}\n")
+        finally:
+            self.detect_button.config(state=tk.NORMAL) # enable button after processing
+
+    def _is_valid_ip(self,ip):
+        try:
+            ip = ipaddress.ip_address(ip)
+            return True
+        except ValueError:
+            return False
+
+if __name__ == "__main__":
+    app = EpsonPrinterUI()
+    app.mainloop()