init

config.py

@@ -0,0 +1,38 @@
+import json
+import printer
+
+
+class PrinterConfig:
+    editables = {"printer_address", "printer_port"}
+    required_params = {"printer_address"}
+
+    def __init__(self):
+        self.printer_address = None
+        self.printer_port = 9100
+        self.printer_profile = "RP-F10-80mm"
+        self.__printer = None
+
+    def save(self):
+        with open("config.json", "w", encoding="utf-8") as ofd:
+            json.dump(self.__dict__, ofd, ensure_ascii=False)
+
+    def load(self):
+        with open("config.json", "r", encoding="utf-8") as ifd:
+            self.__dict__ = json.load(ifd)
+
+    @property
+    def complete(self):
+        for param in self.required_params:
+            if getattr(self, param) is None:
+                return False
+        return True
+
+    @property
+    def printer(self):
+        if self.__printer is None:
+            self.__printer = printer.Printer(
+                address=self.printer_address,
+                port=self.printer_port,
+                profile=self.printer_profile,
+            )
+        return self.printer