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yap-6.3/packages/python/yap_kernel/yap_ipython/frontend.py
Vitor Santos Costa 9c862c21bc jupyter
2018-01-05 16:57:38 +00:00

30 lines
1.1 KiB
Python

"""
Shim to maintain backwards compatibility with old frontend imports.
We have moved all contents of the old `frontend` subpackage into top-level
subpackages (`html`, `qt` and `terminal`), and flattened the notebook into
just `yap_ipython.html`, formerly `yap_ipython.frontend.html.notebook`.
This will let code that was making `from yap_ipython.frontend...` calls continue
working, though a warning will be printed.
"""
# Copyright (c) yap_ipython Development Team.
# Distributed under the terms of the Modified BSD License.
import sys
from warnings import warn
from yap_ipython.utils.shimmodule import ShimModule, ShimWarning
warn("The top-level `frontend` package has been deprecated since yap_ipython 1.0. "
"All its subpackages have been moved to the top `yap_ipython` level.", ShimWarning)
# Unconditionally insert the shim into sys.modules so that further import calls
# trigger the custom attribute access above
sys.modules['yap_ipython.frontend.html.notebook'] = ShimModule(
src='yap_ipython.frontend.html.notebook', mirror='yap_ipython.html')
sys.modules['yap_ipython.frontend'] = ShimModule(
src='yap_ipython.frontend', mirror='yap_ipython')