Restoring authorship annotation for <shadchin@yandex-team.ru>. Commit 1 of 2.

1 files changed, 83 insertions, 83 deletions

diff --git a/contrib/python/ipython/py3/IPython/terminal/pt_inputhooks/qt.py b/contrib/python/ipython/py3/IPython/terminal/pt_inputhooks/qt.py
index b999f5aa17..dde9238236 100644
--- a/contrib/python/ipython/py3/IPython/terminal/pt_inputhooks/qt.py
+++ b/contrib/python/ipython/py3/IPython/terminal/pt_inputhooks/qt.py
@@ -1,83 +1,83 @@
-import sys
-import os
-from IPython.external.qt_for_kernel import QtCore, QtGui, enum_helper
-from IPython import get_ipython
-
-# If we create a QApplication, keep a reference to it so that it doesn't get
-# garbage collected.
-_appref = None
-_already_warned = False
-
-
-def _exec(obj):
-    # exec on PyQt6, exec_ elsewhere.
-    obj.exec() if hasattr(obj, "exec") else obj.exec_()
-
-
-def _reclaim_excepthook():
-    shell = get_ipython()
-    if shell is not None:
-        sys.excepthook = shell.excepthook
-
-
-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
-        try:
-            QtCore.QApplication.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling)
-        except AttributeError:  # Only for Qt>=5.6, <6.
-            pass
-        try:
-            QtCore.QApplication.setHighDpiScaleFactorRoundingPolicy(
-                QtCore.Qt.HighDpiScaleFactorRoundingPolicy.PassThrough
-            )
-        except AttributeError:  # Only for Qt>=5.14.
-            pass
-        _appref = app = QtGui.QApplication([" "])
-
-        # "reclaim" IPython sys.excepthook after event loop starts
-        # without this, it defaults back to BaseIPythonApplication.excepthook
-        # and exceptions in the Qt event loop are rendered without traceback
-        # formatting and look like "bug in IPython".
-        QtCore.QTimer.singleShot(0, _reclaim_excepthook)
-
-    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
-            _exec(event_loop)
-            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(), enum_helper("QtCore.QSocketNotifier.Type").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():
-                _exec(event_loop)
-        finally:
-            notifier.setEnabled(False)
+import sys 
+import os 
+from IPython.external.qt_for_kernel import QtCore, QtGui, enum_helper 
+from IPython import get_ipython 
+ 
+# If we create a QApplication, keep a reference to it so that it doesn't get 
+# garbage collected. 
+_appref = None 
+_already_warned = False 
+ 
+ 
+def _exec(obj): 
+    # exec on PyQt6, exec_ elsewhere. 
+    obj.exec() if hasattr(obj, "exec") else obj.exec_() 
+ 
+ 
+def _reclaim_excepthook(): 
+    shell = get_ipython() 
+    if shell is not None: 
+        sys.excepthook = shell.excepthook 
+ 
+ 
+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 
+        try: 
+            QtCore.QApplication.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling) 
+        except AttributeError:  # Only for Qt>=5.6, <6. 
+            pass 
+        try: 
+            QtCore.QApplication.setHighDpiScaleFactorRoundingPolicy( 
+                QtCore.Qt.HighDpiScaleFactorRoundingPolicy.PassThrough 
+            ) 
+        except AttributeError:  # Only for Qt>=5.14. 
+            pass 
+        _appref = app = QtGui.QApplication([" "]) 
+ 
+        # "reclaim" IPython sys.excepthook after event loop starts 
+        # without this, it defaults back to BaseIPythonApplication.excepthook 
+        # and exceptions in the Qt event loop are rendered without traceback 
+        # formatting and look like "bug in IPython". 
+        QtCore.QTimer.singleShot(0, _reclaim_excepthook) 
+ 
+    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 
+            _exec(event_loop) 
+            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(), enum_helper("QtCore.QSocketNotifier.Type").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(): 
+                _exec(event_loop) 
+        finally: 
+            notifier.setEnabled(False)