Uploaded Test files

venv/Lib/site-packages/jupyter_client/win_interrupt.py

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+"""Use a Windows event to interrupt a child process like SIGINT.
+
+The child needs to explicitly listen for this - see
+ipykernel.parentpoller.ParentPollerWindows for a Python implementation.
+"""
+
+import ctypes
+
+def create_interrupt_event():
+    """Create an interrupt event handle.
+
+    The parent process should call this to create the
+    interrupt event that is passed to the child process. It should store
+    this handle and use it with ``send_interrupt`` to interrupt the child
+    process.
+    """
+    # Create a security attributes struct that permits inheritance of the
+    # handle by new processes.
+    # FIXME: We can clean up this mess by requiring pywin32 for IPython.
+    class SECURITY_ATTRIBUTES(ctypes.Structure):
+        _fields_ = [ ("nLength", ctypes.c_int),
+                     ("lpSecurityDescriptor", ctypes.c_void_p),
+                     ("bInheritHandle", ctypes.c_int) ]
+    sa = SECURITY_ATTRIBUTES()
+    sa_p = ctypes.pointer(sa)
+    sa.nLength = ctypes.sizeof(SECURITY_ATTRIBUTES)
+    sa.lpSecurityDescriptor = 0
+    sa.bInheritHandle = 1
+
+    return ctypes.windll.kernel32.CreateEventA(
+        sa_p,  # lpEventAttributes
+        False, # bManualReset
+        False, # bInitialState
+        '')    # lpName
+
+def send_interrupt(interrupt_handle):
+    """ Sends an interrupt event using the specified handle.
+    """
+    ctypes.windll.kernel32.SetEvent(interrupt_handle)