diff --git a/pylib/Makefile b/pylib/Makefile
index d9b3d7bea..f519323a5 100644
--- a/pylib/Makefile
+++ b/pylib/Makefile
@@ -5,7 +5,7 @@ MAKEFLAGS += --warn-undefined-variables
 MAKEFLAGS += --no-builtin-rules
 RUNARGS :=
 .SUFFIXES:
-BLACKARGS := -t py36 anki tests setup.py --exclude='backend_pb2|buildinfo'
+BLACKARGS := -t py36 anki tests setup.py tools/*.py --exclude='backend_pb2|buildinfo'
 ISORTARGS := anki tests setup.py
 
 $(shell mkdir -p .build ../dist)
diff --git a/pylib/anki/hooks_gen.py b/pylib/anki/hooks_gen.py
new file mode 100644
index 000000000..5283b6097
--- /dev/null
+++ b/pylib/anki/hooks_gen.py
@@ -0,0 +1,129 @@
+# Copyright: Ankitects Pty Ltd and contributors
+# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
+"""
+Code for generating parts of hooks.py
+"""
+
+import re
+from dataclasses import dataclass
+from operator import attrgetter
+from typing import List, Optional
+
+
+@dataclass
+class Hook:
+    # the name of the hook. _filter or _hook is appending automatically.
+    name: str
+    # string of the typed arguments passed to the callback, eg
+    # "kind: str, val: int"
+    cb_args: str = ""
+    # string of the return type. if set, hook is a filter.
+    return_type: Optional[str] = None
+    # if add-ons may be relying on the legacy hook name, add it here
+    legacy_hook: Optional[str] = None
+
+    def callable(self) -> str:
+        "Convert args into a Callable."
+        types = []
+        for arg in self.cb_args.split(","):
+            if not arg:
+                continue
+            (name, type) = arg.split(":")
+            types.append(type.strip())
+        types_str = ", ".join(types)
+        return f"Callable[[{types_str}], {self.return_type or 'None'}]"
+
+    def arg_names(self) -> List[str]:
+        names = []
+        for arg in self.cb_args.split(","):
+            if not arg:
+                continue
+            (name, type) = arg.split(":")
+            names.append(name.strip())
+        return names
+
+    def full_name(self) -> str:
+        return f"{self.name}_{self.kind()}"
+
+    def kind(self) -> str:
+        if self.return_type is not None:
+            return "filter"
+        else:
+            return "hook"
+
+    def list_code(self) -> str:
+        return f"""\
+{self.full_name()}: List[{self.callable()}] = []
+"""
+
+    def fire_code(self) -> str:
+        if self.return_type is not None:
+            # filter
+            return self.filter_fire_code()
+        else:
+            # hook
+            return self.hook_fire_code()
+
+    def hook_fire_code(self) -> str:
+        arg_names = self.arg_names()
+        out = f"""\
+def run_{self.full_name()}({self.cb_args}) -> None:
+    for hook in {self.full_name()}:
+        try:
+            hook({", ".join(arg_names)})
+        except:
+            # if the hook fails, remove it
+            {self.full_name()}.remove(hook)
+            raise
+"""
+        if self.legacy_hook:
+            args = ", ".join([f'"{self.legacy_hook}"'] + arg_names)
+            out += f"""\
+    # legacy support
+    runHook({args})
+"""
+        return out + "\n\n"
+
+    def filter_fire_code(self) -> str:
+        arg_names = self.arg_names()
+        out = f"""\
+def run_{self.full_name()}({self.cb_args}) -> {self.return_type}:
+    for filter in {self.full_name()}:
+        try:
+            {arg_names[0]} = filter({", ".join(arg_names)})
+        except:
+            # if the hook fails, remove it
+            {self.full_name()}.remove(filter)
+            raise
+"""
+        if self.legacy_hook:
+            args = ", ".join([f'"{self.legacy_hook}"'] + arg_names)
+            out += f"""\
+    # legacy support
+    runFilter({args})
+"""
+
+        out += f"""\
+    return {arg_names[0]}
+"""
+        return out + "\n\n"
+
+
+def update_file(path: str, hooks: List[Hook]):
+    hooks.sort(key=attrgetter("name"))
+    code = ""
+    for hook in hooks:
+        code += hook.list_code()
+    code += "\n\n"
+    for hook in hooks:
+        code += hook.fire_code()
+
+    orig = open(path).read()
+    new = re.sub(
+        "(?s)# @@AUTOGEN@@.*?# @@AUTOGEN@@\n",
+        f"# @@AUTOGEN@@\n\n{code}# @@AUTOGEN@@\n",
+        orig,
+    )
+
+    open(path, "wb").write(new.encode("utf8"))
diff --git a/pylib/tools/genhooks.py b/pylib/tools/genhooks.py
index b3f43a48c..a9cbcb163 100644
--- a/pylib/tools/genhooks.py
+++ b/pylib/tools/genhooks.py
@@ -11,109 +11,7 @@ To add a new hook:
 """
 
 import os
-import re
-from dataclasses import dataclass
-from operator import attrgetter
-from typing import Optional, List
-
-
-@dataclass
-class Hook:
-    # the name of the hook. _filter or _hook is appending automatically.
-    name: str
-    # string of the typed arguments passed to the callback, eg
-    # "kind: str, val: int"
-    cb_args: str = ""
-    # string of the return type. if set, hook is a filter.
-    return_type: Optional[str] = None
-    # if add-ons may be relying on the legacy hook name, add it here
-    legacy_hook: Optional[str] = None
-
-    def callable(self) -> str:
-        "Convert args into a Callable."
-        types = []
-        for arg in self.cb_args.split(","):
-            if not arg:
-                continue
-            (name, type) = arg.split(":")
-            types.append(type.strip())
-        types_str = ", ".join(types)
-        return f"Callable[[{types_str}], {self.return_type or 'None'}]"
-
-    def arg_names(self) -> List[str]:
-        names = []
-        for arg in self.cb_args.split(","):
-            if not arg:
-                continue
-            (name, type) = arg.split(":")
-            names.append(name.strip())
-        return names
-
-    def full_name(self) -> str:
-        return f"{self.name}_{self.kind()}"
-
-    def kind(self) -> str:
-        if self.return_type is not None:
-            return "filter"
-        else:
-            return "hook"
-
-    def list_code(self) -> str:
-        return f"""\
-{self.full_name()}: List[{self.callable()}] = []
-"""
-
-    def fire_code(self) -> str:
-        if self.return_type is not None:
-            # filter
-            return self.filter_fire_code()
-        else:
-            # hook
-            return self.hook_fire_code()
-
-    def hook_fire_code(self) -> str:
-        arg_names = self.arg_names()
-        out = f"""\
-def run_{self.full_name()}({self.cb_args}) -> None:
-    for hook in {self.full_name()}:
-        try:
-            hook({", ".join(arg_names)})
-        except:
-            # if the hook fails, remove it
-            {self.full_name()}.remove(hook)
-            raise
-"""
-        if self.legacy_hook:
-            args = ", ".join([f'"{self.legacy_hook}"'] + arg_names)
-            out += f"""\
-    # legacy support
-    runHook({args})
-"""
-        return out + "\n\n"
-
-    def filter_fire_code(self) -> str:
-        arg_names = self.arg_names()
-        out = f"""\
-def run_{self.full_name()}({self.cb_args}) -> {self.return_type}:
-    for filter in {self.full_name()}:
-        try:
-            {arg_names[0]} = filter({", ".join(arg_names)})
-        except:
-            # if the hook fails, remove it
-            {self.full_name()}.remove(filter)
-            raise
-"""
-        if self.legacy_hook:
-            args = ", ".join([f'"{self.legacy_hook}"'] + arg_names)
-            out += f"""\
-    # legacy support
-    runFilter({args})
-"""
-
-        out += f"""\
-    return {arg_names[0]}
-"""
-        return out + "\n\n"
+from anki.hooks_gen import Hook, update_file
 
 # Hook list
 ######################################################################
@@ -121,26 +19,9 @@ def run_{self.full_name()}({self.cb_args}) -> {self.return_type}:
 hooks = [
     Hook(name="leech", cb_args="card: Card", legacy_hook="leech"),
     Hook(name="odue_invalid"),
-    Hook(name="mod_schema", cb_args="proceed: bool", return_type="bool")
+    Hook(name="mod_schema", cb_args="proceed: bool", return_type="bool"),
 ]
 
-hooks.sort(key=attrgetter("name"))
-
-######################################################################
-
-tools_dir = os.path.dirname(__file__)
-hooks_py = os.path.join(tools_dir, "..", "anki", "hooks.py")
-
-code = ""
-for hook in hooks:
-    code += hook.list_code()
-code += "\n\n"
-for hook in hooks:
-    code += hook.fire_code()
-
-orig = open(hooks_py).read()
-new = re.sub("(?s)# @@AUTOGEN@@.*?# @@AUTOGEN@@\n", f"# @@AUTOGEN@@\n\n{code}# @@AUTOGEN@@\n", orig)
-
-open(hooks_py, "wb").write(new.encode("utf8"))
-
-print("Updated hooks.py")
\ No newline at end of file
+if __name__ == "__main__":
+    path = os.path.join(os.path.dirname(__file__), "..", "anki", "hooks.py")
+    update_file(path, hooks)
diff --git a/qt/Makefile b/qt/Makefile
index 31183d6c1..0791bab04 100644
--- a/qt/Makefile
+++ b/qt/Makefile
@@ -5,7 +5,7 @@ MAKEFLAGS += --warn-undefined-variables
 MAKEFLAGS += --no-builtin-rules
 .SUFFIXES:
 
-BLACKARGS := -t py36 aqt tests setup.py --exclude='aqt/forms|buildinfo'
+BLACKARGS := -t py36 aqt tests setup.py tools/*.py --exclude='aqt/forms|buildinfo'
 ISORTARGS := aqt tests setup.py
 
 $(shell mkdir -p .build ../dist)
@@ -35,7 +35,11 @@ TSDEPS := $(wildcard ts/src/*.ts)
 	(cd ts && npm i && npm run build)
 	@touch $@
 
-BUILD_STEPS := .build/run-deps .build/dev-deps .build/js .build/ui .build/i18n aqt/buildinfo.py
+.build/hooks: tools/genhooks.py
+	python tools/genhooks.py
+	@touch $@
+
+BUILD_STEPS := .build/run-deps .build/dev-deps .build/js .build/ui .build/hooks .build/i18n aqt/buildinfo.py
 
 # Checking
 ######################
diff --git a/qt/aqt/gui_hooks.py b/qt/aqt/gui_hooks.py
new file mode 100644
index 000000000..25a524e37
--- /dev/null
+++ b/qt/aqt/gui_hooks.py
@@ -0,0 +1,47 @@
+# Copyright: Ankitects Pty Ltd and contributors
+# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
+"""
+See pylib/anki/hooks.py
+"""
+
+from __future__ import annotations
+
+from typing import Any, Callable, Dict, List  # pylint: disable=unused-import
+
+from anki.hooks import runFilter, runHook  # pylint: disable=unused-import
+
+# New hook/filter handling
+##############################################################################
+# The code in this section is automatically generated - any edits you make
+# will be lost. To add new hooks, see ../tools/genhooks.py
+#
+# @@AUTOGEN@@
+
+mpv_idle_hook: List[Callable[[], None]] = []
+mpv_will_play_hook: List[Callable[[str], None]] = []
+
+
+def run_mpv_idle_hook() -> None:
+    for hook in mpv_idle_hook:
+        try:
+            hook()
+        except:
+            # if the hook fails, remove it
+            mpv_idle_hook.remove(hook)
+            raise
+
+
+def run_mpv_will_play_hook(file: str) -> None:
+    for hook in mpv_will_play_hook:
+        try:
+            hook(file)
+        except:
+            # if the hook fails, remove it
+            mpv_will_play_hook.remove(hook)
+            raise
+    # legacy support
+    runHook("mpvWillPlay", file)
+
+
+# @@AUTOGEN@@
diff --git a/qt/aqt/main.py b/qt/aqt/main.py
index ad834a61d..02ef36b69 100644
--- a/qt/aqt/main.py
+++ b/qt/aqt/main.py
@@ -30,6 +30,7 @@ from anki.hooks import addHook, runFilter, runHook
 from anki.lang import _, ngettext
 from anki.storage import Collection
 from anki.utils import devMode, ids2str, intTime, isMac, isWin, splitFields
+from aqt import gui_hooks
 from aqt.profiles import ProfileManager as ProfileManagerType
 from aqt.qt import *
 from aqt.qt import sip
@@ -1158,9 +1159,10 @@ Difference to correct time: %s."""
         addHook("remNotes", self.onRemNotes)
         hooks.odue_invalid_hook.append(self.onOdueInvalid)
 
-        addHook("mpvWillPlay", self.onMpvWillPlay)
-        addHook("mpvIdleHook", self.onMpvIdle)
-        self._activeWindowOnPlay = None
+        gui_hooks.mpv_will_play_hook.append(self.on_mpv_will_play)
+        gui_hooks.mpv_idle_hook.append(self.on_mpv_idle)
+
+        self._activeWindowOnPlay: Optional[QWidget] = None
 
     def onOdueInvalid(self):
         showWarning(
@@ -1175,13 +1177,13 @@ and if the problem comes up again, please ask on the support site."""
         head, ext = os.path.splitext(file.lower())
         return ext in (".mp4", ".mov", ".mpg", ".mpeg", ".mkv", ".avi")
 
-    def onMpvWillPlay(self, file):
+    def on_mpv_will_play(self, file: str) -> None:
         if not self._isVideo(file):
             return
 
         self._activeWindowOnPlay = self.app.activeWindow() or self._activeWindowOnPlay
 
-    def onMpvIdle(self):
+    def on_mpv_idle(self) -> None:
         w = self._activeWindowOnPlay
         if not self.app.activeWindow() and w and not sip.isdeleted(w) and w.isVisible():
             w.activateWindow()
diff --git a/qt/aqt/sound.py b/qt/aqt/sound.py
index 7f233c54c..e0d0be716 100644
--- a/qt/aqt/sound.py
+++ b/qt/aqt/sound.py
@@ -11,10 +11,11 @@ import threading
 import time
 from typing import Any, Callable, Dict, List, Optional, Tuple
 
-from anki.hooks import addHook, runHook
+from anki.hooks import addHook
 from anki.lang import _
 from anki.sound import allSounds
 from anki.utils import isLin, isMac, isWin, tmpdir
+from aqt import gui_hooks
 from aqt.mpv import MPV, MPVBase
 from aqt.qt import *
 from aqt.utils import restoreGeom, saveGeom, showWarning
@@ -156,8 +157,8 @@ class MpvManager(MPV):
     def __init__(self) -> None:
         super().__init__(window_id=None, debug=False)
 
-    def queueFile(self, file) -> None:
-        runHook("mpvWillPlay", file)
+    def queueFile(self, file: str) -> None:
+        gui_hooks.run_mpv_will_play_hook(file)
 
         path = os.path.join(os.getcwd(), file)
         self.command("loadfile", path, "append-play")
@@ -172,7 +173,7 @@ class MpvManager(MPV):
         self.command("seek", secs, "relative")
 
     def on_idle(self) -> None:
-        runHook("mpvIdleHook")
+        gui_hooks.run_mpv_idle_hook()
 
 
 def setMpvConfigBase(base) -> None:
diff --git a/qt/tools/genhooks.py b/qt/tools/genhooks.py
new file mode 100644
index 000000000..503b122fd
--- /dev/null
+++ b/qt/tools/genhooks.py
@@ -0,0 +1,22 @@
+# Copyright: Ankitects Pty Ltd and contributors
+# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
+"""
+See pylib/tools/genhooks.py for more info.
+"""
+
+import os
+
+from anki.hooks_gen import Hook, update_file
+
+# Hook list
+######################################################################
+
+hooks = [
+    Hook(name="mpv_idle"),
+    Hook(name="mpv_will_play", cb_args="file: str", legacy_hook="mpvWillPlay"),
+]
+
+if __name__ == "__main__":
+    path = os.path.join(os.path.dirname(__file__), "..", "aqt", "gui_hooks.py")
+    update_file(path, hooks)