Source code for eodag.utils.notebook
# -*- coding: utf-8 -*-
# Copyright 2018, CS GROUP - France, https://www.csgroup.eu/
#
# This file is part of EODAG project
# https://www.github.com/CS-SI/EODAG
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import annotations
from typing import Any, Optional
[docs]
def check_ipython() -> bool:
"""Check if called from ipython"""
try:
__IPYTHON__
return True
except NameError:
return False
[docs]
def check_notebook() -> bool:
"""Check if called from a notebook"""
try:
shell = get_ipython().__class__.__name__
if shell == "ZMQInteractiveShell":
return True # Jupyter notebook or qtconsole
elif shell == "TerminalInteractiveShell":
return False # Terminal running IPython
else:
return False # Other type
except NameError:
return False # Probably standard Python interpreter
[docs]
class NotebookWidgets:
"""Display / handle ipython widgets"""
is_notebook: bool = False
html_box: Optional[Any] = None
html_box_shown: bool = False
display: Any = None
def __init__(self) -> None:
self.is_notebook = check_notebook()
if self.is_notebook:
from IPython.display import HTML, display, update_display
self.display = display
self._update_display = update_display
self.html_box = HTML()
else:
pass
[docs]
def display_html(self, html_value: str) -> None:
"""Display HTML message"""
if not self.is_notebook:
return None
self.html_box.data = html_value
if not self.html_box_shown:
self._html_handle = self.display(self.html_box, display_id=True)
self.html_box_shown = True
else:
self._update_display(self.html_box, display_id=self._html_handle.display_id)
[docs]
def clear_html(self) -> None:
"""Clear HTML message"""
if not self.is_notebook:
return None
self.html_box.data = ""
self._update_display(self.html_box, display_id=self._html_handle.display_id)