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"""Enables dynamic setting of underlying Keras module.
"""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
_KERAS_BACKEND = None
_KERAS_UTILS = None
def set_keras_submodules(backend, utils):
# Deprecated, will be removed in the future.
global _KERAS_BACKEND
global _KERAS_UTILS
_KERAS_BACKEND = backend
_KERAS_UTILS = utils
def get_keras_submodule(name):
# Deprecated, will be removed in the future.
if name not in {'backend', 'utils'}:
raise ImportError(
'Can only retrieve "backend" and "utils". '
'Requested: %s' % name)
if _KERAS_BACKEND is None:
raise ImportError('You need to first `import keras` '
'in order to use `keras_preprocessing`. '
'For instance, you can do:\n\n'
'```\n'
'import keras\n'
'from keras_preprocessing import image\n'
'```\n\n'
'Or, preferably, this equivalent formulation:\n\n'
'```\n'
'from keras import preprocessing\n'
'```\n')
if name == 'backend':
return _KERAS_BACKEND
elif name == 'utils':
return _KERAS_UTILS
__version__ = '1.1.2'
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