refactor: helper/views/messages: Use a dataclass instead of a TypedDict.

If the dataclass is chosen, we could squash this commit.
If the TypeDict is chosen, we could drop this commit.

tests/ui_tools/test_popups.py

@@ -47,12 +47,7 @@
 
 @pytest.fixture
 def msg_info_content() -> MessageInfoPopupContent:
-    return MessageInfoPopupContent(
-        message=Message(),
-        topic_links=OrderedDict(),
-        message_links=OrderedDict(),
-        time_mentions=list(),
-    )
+    return MessageInfoPopupContent(Message(), OrderedDict(), OrderedDict(), list())
 
 
 class TestPopUpConfirmationView:
@@ -519,7 +514,7 @@ def mock_external_classes(
         # the message data currently, message_fixture is not used to avoid
         # adding extra test runs unnecessarily.
         self.msg_info_content = msg_info_content
-        self.msg_info_content["message"] = Message(id=1)
+        self.msg_info_content.message = Message(id=1)
         self.full_rendered_message = FullRenderedMsgView(
             controller=self.controller,
             title="Full Rendered Message",
@@ -593,7 +588,7 @@ def mock_external_classes(
         # the message data currently, message_fixture is not used to avoid
         # adding extra test runs unnecessarily.
         self.msg_info_content = msg_info_content
-        self.msg_info_content["message"] = Message(id=1)
+        self.msg_info_content.message = Message(id=1)
         self.full_raw_message = FullRawMsgView(
             controller=self.controller,
             title="Full Raw Message",
@@ -660,7 +655,7 @@ def mock_external_classes(
         # the message data currently, message_fixture is not used to avoid
         # adding extra test runs unnecessarily.
         self.msg_info_content = msg_info_content
-        self.msg_info_content["message"] = Message(id=1)
+        self.msg_info_content.message = Message(id=1)
         self.edit_history_view = EditHistoryView(
             controller=self.controller,
             title="Edit History",
@@ -672,7 +667,7 @@ def test_init(self) -> None:
         assert self.edit_history_view.title == "Edit History"
         assert self.edit_history_view.msg_info_content == self.msg_info_content
         self.controller.model.fetch_message_history.assert_called_once_with(
-            message_id=self.msg_info_content["message"]["id"],
+            message_id=self.msg_info_content.message["id"],
         )
 
     @pytest.mark.parametrize("key", keys_for_command("MSG_INFO"))
@@ -979,7 +974,7 @@ def mock_external_classes(
             "Tue Mar 13 10:55:37",
         ]
         self.msg_info_content = msg_info_content
-        self.msg_info_content["message"] = message_fixture
+        self.msg_info_content.message = message_fixture
         self.msg_info_view = MsgInfoView(
             self.controller,
             "Message Information",
@@ -993,10 +988,7 @@ def test_pop_up_info_order(self, message_fixture: Message) -> None:
         topic_links = OrderedDict([("https://bar.com", ("topic", 1, True))])
         message_links = OrderedDict([("image.jpg", ("image", 1, True))])
         msg_info_content = MessageInfoPopupContent(
-            message=message_fixture,
-            topic_links=topic_links,
-            message_links=message_links,
-            time_mentions=list(),
+            message_fixture, topic_links, message_links, list()
         )
         msg_info_view = MsgInfoView(
             self.controller,
@@ -1190,8 +1182,8 @@ def test_height_reactions(
         to_vary_in_each_message: Message,
         msg_info_content: MessageInfoPopupContent,
     ) -> None:
-        msg_info_content["message"] = message_fixture
-        msg_info_content["message"].update(to_vary_in_each_message)
+        msg_info_content.message = message_fixture
+        msg_info_content.message.update(to_vary_in_each_message)
         self.msg_info_view = MsgInfoView(
             self.controller, "Message Information", msg_info_content
         )

zulipterminal/helper.py

@@ -7,6 +7,7 @@
 import time
 from collections import defaultdict
 from contextlib import contextmanager
+from dataclasses import dataclass
 from functools import partial, wraps
 from itertools import chain, combinations
 from re import ASCII, MULTILINE, findall, match
@@ -57,7 +58,8 @@ class StreamData(TypedDict):
     description: str
 
 
-class MessageInfoPopupContent(TypedDict):
+@dataclass
+class MessageInfoPopupContent:
     message: Message
     topic_links: Dict[str, Tuple[str, int, bool]]
     message_links: Dict[str, Tuple[str, int, bool]]

zulipterminal/ui_tools/messages.py

@@ -1122,10 +1122,10 @@ def keypress(self, size: urwid_Size, key: str) -> Optional[str]:
         elif is_command_key("MSG_INFO", key):
             self.model.controller.show_msg_info(
                 MessageInfoPopupContent(
-                    message=self.message,
-                    topic_links=self.topic_links,
-                    message_links=self.message_links,
-                    time_mentions=self.time_mentions,
+                    self.message,
+                    self.topic_links,
+                    self.message_links,
+                    self.time_mentions,
                 )
             )
         elif is_command_key("ADD_REACTION", key):

zulipterminal/ui_tools/views.py

@@ -1578,10 +1578,10 @@ def __init__(
         msg_info_content: MessageInfoPopupContent,
     ) -> None:
         self.msg_info_content = msg_info_content
-        self.msg = msg_info_content["message"]
-        self.topic_links = msg_info_content["topic_links"]
-        self.message_links = msg_info_content["message_links"]
-        self.time_mentions = msg_info_content["time_mentions"]
+        self.msg = msg_info_content.message
+        self.topic_links = msg_info_content.topic_links
+        self.message_links = msg_info_content.message_links
+        self.time_mentions = msg_info_content.time_mentions
         self.server_url = controller.model.server_url
         date_and_time = controller.model.formatted_local_time(
             self.msg["timestamp"], show_seconds=True, show_year=True
@@ -1721,10 +1721,7 @@ def create_link_buttons(
 
     def keypress(self, size: urwid_Size, key: str) -> str:
         msg_info_content = MessageInfoPopupContent(
-            message=self.msg,
-            topic_links=self.topic_links,
-            message_links=self.message_links,
-            time_mentions=self.time_mentions,
+            self.msg, self.topic_links, self.message_links, self.time_mentions
         )
         if is_command_key("EDIT_HISTORY", key) and self.show_edit_history_label:
             self.controller.show_edit_history(msg_info_content)
@@ -1789,7 +1786,7 @@ def __init__(
     ) -> None:
         self.controller = controller
         self.msg_info_content = msg_info_content
-        self.message = msg_info_content["message"]
+        self.message = msg_info_content.message
         width = 64
         widgets: List[Any] = []
 
@@ -1897,7 +1894,7 @@ def __init__(
     ) -> None:
         self.controller = controller
         self.msg_info_content = msg_info_content
-        self.message = msg_info_content["message"]
+        self.message = msg_info_content.message
         max_cols, max_rows = controller.maximum_popup_dimensions()
 
         # Get rendered message
@@ -1931,7 +1928,7 @@ def __init__(
     ) -> None:
         self.controller = controller
         self.msg_info_content = msg_info_content
-        self.message = msg_info_content["message"]
+        self.message = msg_info_content.message
         max_cols, max_rows = controller.maximum_popup_dimensions()
 
         # Get rendered message header and footer