Handle re-exporting of platform-specific hazmat functions

docs/source/history.rst

@@ -99,6 +99,8 @@ Fix ``sock.accept()`` for IPv6 sockets (https://github.com/python-trio/trio/issu
 
 deprecate most of the task and nursery APIs
 
+make our exports visible to PyCharm (314)
+
 Renames from https://github.com/python-trio/trio/issues/157
 
 Note that pypy needs 5.9+ to support deprecations properly

trio/_core/__init__.py

@@ -44,7 +44,6 @@ async def wait_socket_readable(sock):
             raise TypeError("need a socket")
         await wait_readable(sock)
 
-
     async def wait_socket_writable(sock):
         if type(sock) != _stdlib_socket.socket:
             raise TypeError("need a socket")

trio/hazmat.py

@@ -1,14 +1,46 @@
 # These are all re-exported from trio._core. See comments in trio/__init__.py
-# for details.
+# for details. To make static analysis easier, this lists all possible
+# symbols, and then we prune some below if they aren't available on this
+# system.
 __all__ = [
-    "Result", "Value", "Error", "cancel_shielded_checkpoint", "Abort",
-    "wait_task_rescheduled", "enable_ki_protection", "disable_ki_protection",
-    "currently_ki_protected", "Task", "checkpoint", "current_task",
-    "checkpoint_if_cancelled", "spawn_system_task", "reschedule",
-    "current_call_soon_thread_and_signal_safe", "wait_writable",
-    "wait_readable", "ParkingLot", "UnboundedQueue", "RunLocal",
-    "wait_socket_readable", "wait_socket_writable"
+    "Result",
+    "Value",
+    "Error",
+    "cancel_shielded_checkpoint",
+    "Abort",
+    "wait_task_rescheduled",
+    "enable_ki_protection",
+    "disable_ki_protection",
+    "currently_ki_protected",
+    "Task",
+    "checkpoint",
+    "current_task",
+    "checkpoint_if_cancelled",
+    "spawn_system_task",
+    "reschedule",
+    "current_call_soon_thread_and_signal_safe",
+    "wait_writable",
+    "wait_readable",
+    "ParkingLot",
+    "UnboundedQueue",
+    "RunLocal",
+    "wait_socket_readable",
+    "wait_socket_writable",
+    # kqueue symbols
+    "current_kqueue",
+    "monitor_kevent",
+    "wait_kevent",
+    # windows symbols
+    "current_iocp",
+    "register_with_iocp",
+    "wait_overlapped",
+    "monitor_completion_key",
 ]
 
 from . import _core
-globals().update({sym: getattr(_core, sym) for sym in __all__})
+# Some hazmat symbols are platform specific
+for _sym in list(__all__):
+    if hasattr(_core, _sym):
+        globals()[_sym] = getattr(_core, _sym)
+    else:
+        __all__.remove(_sym)