Uploaded Test files

venv/Lib/site-packages/IPython/terminal/pt_inputhooks/qt.py

@@ -0,0 +1,54 @@
+import sys
+import os
+from IPython.external.qt_for_kernel import QtCore, QtGui
+
+# If we create a QApplication, keep a reference to it so that it doesn't get
+# garbage collected.
+_appref = None
+_already_warned = False
+
+
+def inputhook(context):
+    global _appref
+    app = QtCore.QCoreApplication.instance()
+    if not app:
+        if sys.platform == 'linux':
+            if not os.environ.get('DISPLAY') \
+                    and not os.environ.get('WAYLAND_DISPLAY'):
+                import warnings
+                global _already_warned
+                if not _already_warned:
+                    _already_warned = True
+                    warnings.warn(
+                        'The DISPLAY or WAYLAND_DISPLAY environment variable is '
+                        'not set or empty and Qt5 requires this environment '
+                        'variable. Deactivate Qt5 code.'
+                    )
+                return
+        QtCore.QCoreApplication.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling)
+        _appref = app = QtGui.QApplication([" "])
+    event_loop = QtCore.QEventLoop(app)
+
+    if sys.platform == 'win32':
+        # The QSocketNotifier method doesn't appear to work on Windows.
+        # Use polling instead.
+        timer = QtCore.QTimer()
+        timer.timeout.connect(event_loop.quit)
+        while not context.input_is_ready():
+            timer.start(50)  # 50 ms
+            event_loop.exec_()
+            timer.stop()
+    else:
+        # On POSIX platforms, we can use a file descriptor to quit the event
+        # loop when there is input ready to read.
+        notifier = QtCore.QSocketNotifier(context.fileno(),
+                                          QtCore.QSocketNotifier.Read)
+        try:
+            # connect the callback we care about before we turn it on
+            notifier.activated.connect(lambda: event_loop.exit())
+            notifier.setEnabled(True)
+            # only start the event loop we are not already flipped
+            if not context.input_is_ready():
+                event_loop.exec_()
+        finally:
+            notifier.setEnabled(False)