working on serverextension

.gitignore

@@ -60,3 +60,104 @@ typings/
 package-lock.json
 lib
 
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# dotenv
+.env
+
+# virtualenv
+.venv
+venv/
+ENV/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/

Makefile

@@ -0,0 +1,34 @@
+tests: ## Clean and Make unit tests
+	python3 -m nose -v tests --with-coverage --cover-erase --cover-package=`find jupyterlab_iframe -name "*.py" | sed "s=\./==g" | sed "s=/=.=g" | sed "s/.py//g" | tr '\n' ',' | rev | cut -c2- | rev`
+	
+test: ## run the tests for travis CI
+	@ python3 -m nose -v tests --with-coverage --cover-erase --cover-package=`find jupyterlab_iframe -name "*.py" | sed "s=\./==g" | sed "s=/=.=g" | sed "s/.py//g" | tr '\n' ',' | rev | cut -c2- | rev`
+ 
+clean: ## clean the repository
+	find . -name "__pycache__" | xargs  rm -rf 
+	find . -name "*.pyc" | xargs rm -rf 
+	find . -name ".ipynb_checkpoints" | xargs  rm -rf 
+	rm -rf .coverage cover htmlcov logs build dist *.egg-info
+	# make -C ./docs clean
+
+install:  ## install to site-packages
+	python3 setup.py install
+
+serverextension: install ## enable serverextension
+	jupyter serverextension enable --py jupyterlab_iframe
+
+labextension: install ## enable labextension
+	jupyter labextension install .
+
+# docs:  ## make documentation
+# 	make -C ./docs html
+
+# Thanks to Francoise at marmelab.com for this
+.DEFAULT_GOAL := help
+help:
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
+
+print-%:
+	@echo '$*=$($*)'
+
+.PHONY: clean install serverextension labextension test tests help docs

README.md

@@ -1,2 +1,7 @@
 # jupyterlab_iframe
 Iframe widget
+
+
+```python3
+c.JupyterLabIFrame.iframes = ['list', 'of', 'sites']
+```

jupyterlab_iframe/__init__.py

@@ -0,0 +1,4 @@
+def _jupyter_server_extension_paths():
+    return [{
+        "module": "jupyterlab_iframe.extension"
+    }]

jupyterlab_iframe/extension.py

@@ -0,0 +1,24 @@
+from notebook.base.handlers import IPythonHandler
+
+
+class IFrameHandler(IPythonHandler):
+    def initialize(self, iframes=None):
+        self.iframes = iframes
+
+    def get(self):
+        self.finish(self.iframes)
+
+
+def load_jupyter_server_extension(nb_server_app):
+    """
+    Called when the extension is loaded.
+
+    Args:
+        nb_server_app (NotebookWebApplication): handle to the Notebook webserver instance.
+    """
+    web_app = nb_server_app.web_app
+    iframes = nb_server_app.config.get('JupyterLabIFrame', {}).get('iframes', [])
+    host_pattern = '.*$'
+    print('Installing jupyterlab_iframe handler on path %s' % '/iframes')
+    print('Handinling iframes: %s' % iframes)
+    web_app.add_handlers(host_pattern, [('/iframes', IFrameHandler, {'iframes': iframes})])

setup.py

@@ -0,0 +1,39 @@
+from setuptools import setup, find_packages
+from codecs import open
+from os import path
+
+here = path.abspath(path.dirname(__file__))
+
+with open(path.join(here, 'README.md'), encoding='utf-8') as f:
+    long_description = f.read()
+
+setup(
+    name='jupyterlab_iframe',
+    version='0.0.1',
+    description='IFrame widgets for JupyterLab',
+    long_description=long_description,
+    url='https://github.com/timkpaine/jupyterlab_iframe',
+    download_url='https://github.com/timkpaine/jupyterlab_iframe/archive/v0.0.1.tar.gz',
+    author='Tim Paine',
+    author_email='t.paine154@gmail.com',
+    license='GPL',
+
+    classifiers=[
+        'Development Status :: 3 - Alpha',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.3',
+        'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3.5',
+    ],
+
+    keywords='jupyter jupyterlab',
+
+    packages=find_packages(exclude=['tests', ]),
+    zip_safe=False,
+
+    # entry_points={
+    #     'console_scripts': [
+    #         'sample=sample:main',
+    #     ],
+    # },
+)