Initial commit

classes/callbacks.py

@@ -0,0 +1,30 @@
+from dataclasses import dataclass
+
+from pyrogram.types import CallbackQuery
+
+
+@dataclass
+class CallbackLanguage:
+    __slots__ = ("language",)
+
+    language: str
+
+    @classmethod
+    def from_callback(cls, callback: CallbackQuery):
+        """Parse callback query and extract language data from it.
+
+        ### Args:
+            * callback (`CallbackQuery`): Callback query got from user interaction.
+
+        ### Raises:
+            * `ValueError`: Raised when callback provided is not a language one.
+
+        ### Returns:
+            * `CallbackLanguage`: Parsed callback query.
+        """
+        action, language = str(callback.data).split(":")
+
+        if action.lower() != "language":
+            raise ValueError("Callback provided is not a language callback")
+
+        return cls(language)