feat: patch the synchronization primitives

src/python/common/patches.py

@@ -5,6 +5,7 @@
 
 import micropip
 from js import window
+from pyodide.ffi import can_run_sync, run_sync
 
 from .package import get_package_name
 from .toast import loading
@@ -63,6 +64,20 @@ def input(prompt=""):
     builtins.input = input
 
 
+@cache
+def patch_sync():
+    if not can_run_sync():
+        return
+
+    import asyncio
+    import time
+
+    from .sync import syncify
+
+    time.sleep = wraps(time.sleep)(syncify(asyncio.sleep))  # type: ignore
+    asyncio.run = asyncio.get_running_loop().run_until_complete = run_sync  # type: ignore
+
+
 @cache
 def patch_exit():
     window.close.__signature__ = Signature()  # type: ignore
@@ -73,4 +88,5 @@ def patch_exit():
 patch_linecache()
 patch_console()
 patch_input()
+patch_sync()
 patch_exit()

src/python/common/sync.py

@@ -0,0 +1,10 @@
+from collections.abc import Awaitable, Callable
+
+from pyodide.ffi import run_sync
+
+
+def syncify[**P, T](func: Callable[P, Awaitable[T]]) -> Callable[P, T]:
+    def wrapper(*args: P.args, **kwargs: P.kwargs):
+        return run_sync(func(*args, **kwargs))
+
+    return wrapper