update setup.py and use jupyter_packaging

+ align folder structure with js cookiecutter

+ Update .gitignore

Author: ianhi

{{cookiecutter.github_project_name}}/.gitignore

@@ -145,7 +145,7 @@ $RECYCLE.BIN/
 # ----
 
 **/node_modules/
-{{ cookiecutter.python_package_name  }}/nbextension/static/index.*
+{{ cookiecutter.python_package_name  }}/nbextension/index.*
 {{ cookiecutter.python_package_name  }}/labextension/*.tgz
 
 # Coverage data

{{cookiecutter.github_project_name}}/pyproject.toml

@@ -0,0 +1,3 @@
+[build-system]
+requires = ["jupyter_packaging==0.7.9", "jupyterlab==3.*", "setuptools>=40.8.0", "wheel"]
+build-backend = "setuptools.build_meta"

{{cookiecutter.github_project_name}}/setup.py

@@ -6,54 +6,51 @@
 
 from __future__ import print_function
 from glob import glob
+import os
 from os.path import join as pjoin
+from setuptools import setup, find_packages
 
 
-from setupbase import (
-    create_cmdclass, install_npm, ensure_targets,
-    find_packages, combine_commands, ensure_python,
-    get_version, HERE
+from jupyter_packaging import (
+    create_cmdclass,
+    install_npm,
+    ensure_targets,
+    combine_commands,
+    get_version,
 )
 
-from setuptools import setup
+HERE = os.path.dirname(os.path.abspath(__file__))
+
+
 
 
 # The name of the project
 name = '{{ cookiecutter.python_package_name }}'
 
-# Ensure a valid python version
-ensure_python('>=3.6')
-
-# Get our version
+# Get the version
 version = get_version(pjoin(name, '_version.py'))
 
-nb_path = pjoin(HERE, name, 'nbextension', 'static')
-# lab_path = pjoin(HERE, name, 'labextension')
-lab3_path = pjoin(HERE, name, 'labextension')
 
 # Representative files that should exist after a successful build
 jstargets = [
-    pjoin(nb_path, 'index.js'),
+    pjoin(HERE, name, 'nbextension', 'index.js'),
     pjoin(HERE, 'lib', 'plugin.js'),
 ]
 
+
 package_data_spec = {
     name: [
-        'nbextension/static/**js*',
-        # 'labextension/*.tgz',
-        'labextension/*'
+        'nbextension/**js*',
+        'labextension/**'
     ]
 }
 
-labext_name = "{{ cookiecutter.npm_package_name }}"
 
 data_files_spec = [
-    ('share/jupyter/nbextensions/{{ cookiecutter.python_package_name}}',
-        nb_path, '*.js*'),
-    ("share/jupyter/labextensions/%s" % labext_name, lab3_path, "**"),
-    ("share/jupyter/labextensions/%s" % labext_name, str(HERE), "install.json"),
-#    ('share/jupyter/lab/extensions', lab_path, '*.tgz'),
-    ('etc/jupyter/nbconfig/notebook.d' , HERE, '{{ cookiecutter.python_package_name}}.json')
+    ('share/jupyter/nbextensions/{{ cookiecutter.npm_package_name }}', '{{ cookiecutter.python_package_name }}/nbextension', '**'),
+    ('share/jupyter/labextensions/{{ cookiecutter.npm_package_name }}', '{{ cookiecutter.python_package_name }}/labextension', '**'),
+    ('share/jupyter/labextensions/{{ cookiecutter.npm_package_name }}', '.', 'install.json'),
+    ('etc/jupyter/nbconfig/notebook.d', '.', '{{ cookiecutter.npm_package_name }}.json'),
 ]