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-rw-r--r--Lib/idlelib/run.py14
1 files changed, 14 insertions, 0 deletions
diff --git a/Lib/idlelib/run.py b/Lib/idlelib/run.py
index 25338ffaa6..7124c72a63 100644
--- a/Lib/idlelib/run.py
+++ b/Lib/idlelib/run.py
@@ -6,6 +6,7 @@ import traceback
import _thread as thread
import threading
import queue
+import tkinter
from idlelib import CallTips
from idlelib import AutoComplete
@@ -38,6 +39,17 @@ else:
return s
warnings.formatwarning = idle_formatwarning_subproc
+
+tcl = tkinter.Tcl()
+
+
+def handle_tk_events(tcl=tcl):
+ """Process any tk events that are ready to be dispatched if tkinter
+ has been imported, a tcl interpreter has been created and tk has been
+ loaded."""
+ tcl.eval("update")
+
+
# Thread shared globals: Establish a queue between a subthread (which handles
# the socket) and the main thread (which runs user code), plus global
# completion, exit and interruptable (the main thread) flags:
@@ -93,6 +105,7 @@ def main(del_exitfunc=False):
try:
seq, request = rpc.request_queue.get(block=True, timeout=0.05)
except queue.Empty:
+ handle_tk_events()
continue
method, args, kwargs = request
ret = method(*args, **kwargs)
@@ -254,6 +267,7 @@ class MyHandler(rpc.RPCHandler):
sys.stdin = self.console = self.get_remote_proxy("stdin")
sys.stdout = self.get_remote_proxy("stdout")
sys.stderr = self.get_remote_proxy("stderr")
+ sys.displayhook = rpc.displayhook
# page help() text to shell.
import pydoc # import must be done here to capture i/o binding
pydoc.pager = pydoc.plainpager