Run 3.0 migration script

Author: jahn96

_temp_extension/.eslintignore

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+node_modules
+dist
+coverage
+**/*.d.ts
+tests

_temp_extension/.eslintrc.js

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+module.exports = {
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/eslint-recommended',
+    'plugin:@typescript-eslint/recommended',
+    'plugin:prettier/recommended'
+  ],
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    project: 'tsconfig.json',
+    sourceType: 'module'
+  },
+  plugins: ['@typescript-eslint'],
+  rules: {
+    '@typescript-eslint/interface-name-prefix': [
+      'error',
+      { prefixWithI: 'always' }
+    ],
+    '@typescript-eslint/no-unused-vars': ['warn', { args: 'none' }],
+    '@typescript-eslint/no-explicit-any': 'off',
+    '@typescript-eslint/no-namespace': 'off',
+    '@typescript-eslint/no-use-before-define': 'off',
+    '@typescript-eslint/quotes': [
+      'error',
+      'single',
+      { avoidEscape: true, allowTemplateLiterals: false }
+    ],
+    curly: ['error', 'all'],
+    eqeqeq: 'error',
+    'prefer-arrow-callback': 'error'
+  }
+};

_temp_extension/.github/workflows/build.yml

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+name: Build
+
+on:
+  push:
+    branches: master
+  pull_request:
+    branches: '*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Install node
+      uses: actions/setup-node@v1
+      with:
+       node-version: '10.x'
+    - name: Install Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.7'
+        architecture: 'x64'
+    - name: Install dependencies
+      run: python -m pip install jupyterlab
+    - name: Build the extension
+      run: |
+        jlpm
+        jlpm run eslint:check
+        python -m pip install .
+
+        jupyter labextension list 2>&1 | grep -ie "jupyterlab-code-snippets.*OK"
+        python -m jupyterlab.browser_check

_temp_extension/.gitignore

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+*.bundle.*
+lib/
+node_modules/
+*.egg-info/
+.ipynb_checkpoints
+*.tsbuildinfo
+code_snippet/labextension
+
+# Created by https://www.gitignore.io/api/python
+# Edit at https://www.gitignore.io/?templates=python
+
+### Python ###
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+.installed.cfg
+*.egg
+MANIFEST
+
+# 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/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# Mr Developer
+.mr.developer.cfg
+.project
+.pydevproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# End of https://www.gitignore.io/api/python
+
+# OSX files
+.DS_Store

_temp_extension/.prettierignore

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+node_modules
+**/node_modules
+**/lib
+**/package.json

_temp_extension/.prettierrc

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+{
+  "singleQuote": true
+}

_temp_extension/LICENSE

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+BSD 3-Clause License
+
+Copyright (c) 2020, Jay Ahn, Kiran Pinnipati All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of the copyright holder nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

_temp_extension/MANIFEST.in

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+include LICENSE
+include README.md
+include pyproject.toml
+include jupyter-config/code_snippet.json
+
+include package.json
+include install.json
+include ts*.json
+include yarn.lock
+
+graft code_snippet/labextension
+
+# Javascript files
+graft src
+graft style
+prune **/node_modules
+prune lib
+
+# Patterns to exclude from any directory
+global-exclude *~
+global-exclude *.pyc
+global-exclude *.pyo
+global-exclude .git
+global-exclude .ipynb_checkpoints

_temp_extension/README.md

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+# code_snippet
+
+![Github Actions Status](https://github.com/jupytercalpoly/jupyterlab-code-snippets.git.git/workflows/Build/badge.svg)[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/jupytercalpoly/jupyterlab-code-snippets.git.git/master?urlpath=lab)
+
+EXPERIMENTAL: Save, reuse, and share code snippets using JupyterLab Code Snippets
+
+
+
+## Requirements
+
+* JupyterLab >= 3.0
+
+## Install
+
+```bash
+pip install code_snippet
+```
+
+
+## Contributing
+
+### Development install
+
+Note: You will need NodeJS to build the extension package.
+
+The `jlpm` command is JupyterLab's pinned version of
+[yarn](https://yarnpkg.com/) that is installed with JupyterLab. You may use
+`yarn` or `npm` in lieu of `jlpm` below.
+
+```bash
+# Clone the repo to your local environment
+# Change directory to the code_snippet directory
+# Install package in development mode
+pip install -e .
+# Link your development version of the extension with JupyterLab
+jupyter labextension develop . --overwrite
+# Rebuild extension Typescript source after making changes
+jlpm run build
+```
+
+You can watch the source directory and run JupyterLab at the same time in different terminals to watch for changes in the extension's source and automatically rebuild the extension.
+
+```bash
+# Watch the source directory in one terminal, automatically rebuilding when needed
+jlpm run watch
+# Run JupyterLab in another terminal
+jupyter lab
+```
+
+With the watch command running, every saved change will immediately be built locally and available in your running JupyterLab. Refresh JupyterLab to load the change in your browser (you may need to wait several seconds for the extension to be rebuilt).
+
+By default, the `jlpm run build` command generates the source maps for this extension to make it easier to debug using the browser dev tools. To also generate source maps for the JupyterLab core extensions, you can run the following command:
+
+```bash
+jupyter lab build --minimize=False
+```
+
+### Uninstall
+
+```bash
+pip uninstall code_snippet
+```

_temp_extension/binder/environment.yml

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+# a mybinder.org-ready environment for demoing code_snippet
+# this environment may also be used locally on Linux/MacOS/Windows, e.g.
+#
+#   conda env update --file binder/environment.yml
+#   conda activate code_snippet-demo
+#
+name: code_snippet-demo
+
+channels:
+  - conda-forge
+
+dependencies:
+  # runtime dependencies
+  - python >=3.8,<3.9.0a0
+  - jupyterlab >=3,<4.0.0a0
+  # labextension build dependencies
+  - nodejs >=14,<15
+  - pip
+  - wheel
+  # additional packages for demos
+  # - ipywidgets

_temp_extension/binder/postBuild

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+#!/usr/bin/env python3
+""" perform a development install of code_snippet
+
+    On Binder, this will run _after_ the environment has been fully created from
+    the environment.yml in this directory.
+
+    This script should also run locally on Linux/MacOS/Windows:
+
+        python3 binder/postBuild
+"""
+import subprocess
+import sys
+from pathlib import Path
+
+
+ROOT = Path.cwd()
+
+def _(*args, **kwargs):
+    """ Run a command, echoing the args
+
+        fails hard if something goes wrong
+    """
+    print("\n\t", " ".join(args), "\n")
+    return_code = subprocess.call(args, **kwargs)
+    if return_code != 0:
+        print("\nERROR", return_code, " ".join(args))
+        sys.exit(return_code)
+
+# verify the environment is self-consistent before even starting
+_(sys.executable, "-m", "pip", "check")
+
+# install the labextension
+_(sys.executable, "-m", "pip", "install", "-e", ".")
+
+# verify the environment the extension didn't break anything
+_(sys.executable, "-m", "pip", "check")
+
+# list the extensions
+_("jupyter", "server", "extension", "list")
+
+# initially list installed extensions to determine if there are any surprises
+_("jupyter", "labextension", "list")
+
+
+print("JupyterLab with code_snippet is ready to run with:\n")
+print("\tjupyter lab\n")