Add hooks for comparing answers (#3855)

* Add hooks associated to compare answer feature

* Update CONTRIBUTORS

* Add type pattern to compare answer related hooks

CONTRIBUTORS

@@ -217,6 +217,7 @@ Mumtaz Hajjo Alrifai <mumtazrifai@protonmail.com>
 Thomas Graves <fate@hey.com>
 Jakub Fidler <jakub.fidler@protonmail.com>
 Valerie Enfys <val@unidentified.systems>
+Julien Chol <https://github.com/chel-ou>
 
 ********************
 

qt/aqt/reviewer.py

@@ -749,13 +749,25 @@ class Reviewer:
     def typeAnsAnswerFilter(self, buf: str) -> str:
         if not self.typeCorrect:
             return re.sub(self.typeAnsPat, "", buf)
+        m = re.search(self.typeAnsPat, buf)
+        type_pattern = m.group(1) if m else ""
         orig = buf
         origSize = len(buf)
         buf = buf.replace("<hr id=answer>", "")
         hadHR = len(buf) != origSize
-        expected = self.typeCorrect
-        provided = self.typedAnswer
+        initial_expected = self.typeCorrect
+        initial_provided = self.typedAnswer
+        expected, provided = gui_hooks.reviewer_will_compare_answer(
+            (initial_expected, initial_provided), type_pattern
+        )
+
         output = self.mw.col.compare_answer(expected, provided, self._combining)
+        output = gui_hooks.reviewer_will_render_compared_answer(
+            output,
+            initial_expected,
+            initial_provided,
+            type_pattern,
+        )
 
         # and update the type answer area
         def repl(match: Match) -> str:

qt/tools/genhooks_gui.py

@@ -100,6 +100,44 @@ hooks = [
         legacy_hook="showQuestion",
         legacy_no_args=True,
     ),
+    Hook(
+        name="reviewer_will_compare_answer",
+        args=[
+            "expected_provided_tuple: tuple[str, str]",
+            "type_pattern: str",
+        ],
+        return_type="tuple[str, str]",
+        doc="""Modify expected answer and provided answer before comparing
+
+        expected_provided_tuple is a tuple composed of:
+        - expected answer
+        - provided answer
+        type_pattern is the detail of the type tag on the card
+
+        Return a tuple composed of:
+        - modified expected answer
+        - modified provided answer
+        """,
+    ),
+    Hook(
+        name="reviewer_will_render_compared_answer",
+        args=[
+            "output: str",
+            "initial_expected: str",
+            "initial_provided: str",
+            "type_pattern: str",
+        ],
+        return_type="str",
+        doc="""Modify the output of default compare answer feature
+
+        output is the result of default compare answer function
+        initial_expected is the expected answer from the card
+        initial_provided is the answer provided during review
+        type_pattern is the detail of the type tag on the card
+
+        Return a string comparing expected and provided answers
+        """,
+    ),
     Hook(
         name="reviewer_did_show_answer",
         args=["card: Card"],
@@ -846,7 +884,7 @@ gui_hooks.webview_did_inject_style_into_page.append(mytest)
         'content' is a list of HTML strings added by add-ons which you can append your
         own components or elements to. To equip your components with logic and styling
         please see `webview_will_set_content` and `webview_did_receive_js_message`.
-        
+
         Please note that Anki's main screen is due to undergo a significant refactor
         in the future and, as a result, add-ons subscribing to this hook will likely
         require changes to continue working.
@@ -861,7 +899,7 @@ gui_hooks.webview_did_inject_style_into_page.append(mytest)
         'content' is a list of HTML strings added by add-ons which you can append your
         own components or elements to. To equip your components with logic and styling
         please see `webview_will_set_content` and `webview_did_receive_js_message`.
-        
+
         Please note that Anki's main screen is due to undergo a significant refactor
         in the future and, as a result, add-ons subscribing to this hook will likely
         require changes to continue working.
@@ -1161,7 +1199,7 @@ gui_hooks.webview_did_inject_style_into_page.append(mytest)
         args=["editor: aqt.editor.Editor", "path_or_nid: str | anki.notes.NoteId"],
         doc="""Called when the image occlusion mask editor has completed
         loading an image.
-        
+
         When adding new notes `path_or_nid` will be the path to the image file.
         When editing existing notes `path_or_nid` will be the note id.""",
     ),
@@ -1250,7 +1288,7 @@ gui_hooks.webview_did_inject_style_into_page.append(mytest)
         name="addon_manager_will_install_addon",
         args=["manager: aqt.addons.AddonManager", "module: str"],
         doc="""Called before installing or updating an addon.
-        
+
         Can be used to release DB connections or open files that
         would prevent an update from succeeding.""",
     ),
@@ -1258,7 +1296,7 @@ gui_hooks.webview_did_inject_style_into_page.append(mytest)
         name="addon_manager_did_install_addon",
         args=["manager: aqt.addons.AddonManager", "module: str"],
         doc="""Called after installing or updating an addon.
-        
+
         Can be used to restore DB connections or open files after
         an add-on has been updated.""",
     ),