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#
# (C) Copyright 2017- ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
#
# In applying this licence, ECMWF does not waive the privileges and immunities
# granted to it by virtue of its status as an intergovernmental organisation
# nor does it submit to any jurisdiction.
#
"""
ipython is not None when running a notebook
"""
import logging
import sys
ipython_active = None
def is_ipython_active():
global ipython_active
if ipython_active is None:
try:
from IPython import get_ipython
ipython_active = get_ipython() is not None
except Exception:
ipython_active = False
return ipython_active
def import_widgets():
try:
widgets = __import__("ipywidgets", globals(), locals())
return widgets
except ImportError as imperr:
print("Could not import ipywidgets module - animation widget will not appear")
print("Call setoutput('jupyter', plot_widget=False) to suppress this message")
return None
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