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diff --git a/src/silx/gui/dialog/utils.py b/src/silx/gui/dialog/utils.py
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+++ b/src/silx/gui/dialog/utils.py
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+# coding: utf-8
+# /*##########################################################################
+#
+# Copyright (c) 2016-2021 European Synchrotron Radiation Facility
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+# ###########################################################################*/
+"""
+This module contains utilitaries used by other dialog modules.
+"""
+
+__authors__ = ["V. Valls"]
+__license__ = "MIT"
+__date__ = "25/10/2017"
+
+import os
+import types
+
+from silx.gui import qt
+
+
+def samefile(path1, path2):
+    """Portable :func:`os.path.samepath` function.
+
+    :param str path1: A path to a file
+    :param str path2: Another path to a file
+    :rtype: bool
+    """
+    if path1 == path2:
+        return True
+    if path1 == "":
+        return False
+    if path2 == "":
+        return False
+    return os.path.samefile(path1, path2)
+
+
+def findClosestSubPath(hdf5Object, path):
+    """Find the closest existing path from the hdf5Object using a subset of the
+    provided path.
+
+    Returns None if no path found. It is possible if the path is a relative
+    path.
+
+    :param h5py.Node hdf5Object: An HDF5 node
+    :param str path: A path
+    :rtype: str
+    """
+    if path in ["", "/"]:
+        return "/"
+    names = path.split("/")
+    if path[0] == "/":
+        names.pop(0)
+    for i in range(len(names)):
+        n = len(names) - i
+        path2 = "/".join(names[0:n])
+        if path2 == "":
+            return ""
+        if path2 in hdf5Object:
+            return path2
+
+    if path[0] == "/":
+        return "/"
+    return None
+
+
+def patchToConsumeReturnKey(widget):
+    """
+    Monkey-patch a widget to consume the return key instead of propagating it
+    to the dialog.
+    """
+    assert(not hasattr(widget, "_oldKeyPressEvent"))
+
+    def keyPressEvent(self, event):
+        k = event.key()
+        result = self._oldKeyPressEvent(event)
+        if k in [qt.Qt.Key_Return, qt.Qt.Key_Enter]:
+            event.accept()
+        return result
+
+    widget._oldKeyPressEvent = widget.keyPressEvent
+    widget.keyPressEvent = types.MethodType(keyPressEvent, widget)