Rollback python install machinery

Author: fcollonval

toolbar-button/pyproject.toml

@@ -1,17 +1,3 @@
 [build-system]
-requires = ["jupyter_packaging~=0.10,<2", "jupyterlab~=3.0"]
-build-backend = "jupyter_packaging.build_api"
-
-[tool.jupyter-packaging.options]
-skip-if-exists = ["jupyterlab_examples_toolbar_button/labextension/static/style.js"]
-ensured-targets = ["jupyterlab_examples_toolbar_button/labextension/static/style.js", "jupyterlab_examples_toolbar_button/labextension/package.json"]
-
-[tool.jupyter-packaging.builder]
-factory = "jupyter_packaging.npm_builder"
-
-[tool.jupyter-packaging.build-args]
-build_cmd = "build:prod"
-npm = ["jlpm"]
-
-[tool.check-manifest]
-ignore = ["jupyterlab_examples_toolbar_button/labextension/**", "yarn.lock", ".*", "package-lock.json"]
+requires = ["jupyter_packaging~=0.7.9", "jupyterlab>=3.0.0rc15,==3.*", "setuptools>=40.8.0", "wheel"]
+build-backend = "setuptools.build_meta"

toolbar-button/setup.py

@@ -1,53 +1,80 @@
 """
-clear_cell_outputs setup
+jupyterlab_examples_toolbar_button setup
 """
 import json
-from pathlib import Path
+import os
 
+from jupyter_packaging import (
+    create_cmdclass, install_npm, ensure_targets,
+    combine_commands, skip_if_exists
+)
 import setuptools
 
-HERE = Path(__file__).parent.resolve()
+HERE = os.path.abspath(os.path.dirname(__file__))
 
 # The name of the project
-name = "jupyterlab_examples_toolbar_button"
+name="jupyterlab_examples_toolbar_button"
+
+# Get our version
+with open(os.path.join(HERE, 'package.json')) as f:
+    version = json.load(f)['version']
 
-lab_path = (HERE / name.replace("-", "_") / "labextension")
+lab_path = os.path.join(HERE, name, "labextension")
 
 # Representative files that should exist after a successful build
-ensured_targets = [
-    str(lab_path / "package.json"),
-    str(lab_path / "static/style.js")
+jstargets = [
+    os.path.join(lab_path, "package.json"),
 ]
 
+package_data_spec = {
+    name: [
+        "*"
+    ]
+}
+
 labext_name = "@jupyterlab-examples/toolbar-button"
 
 data_files_spec = [
-    ("share/jupyter/labextensions/%s" % labext_name, str(lab_path), "**"),
-    ("share/jupyter/labextensions/%s" % labext_name, str(HERE), "install.json"),
+    ("share/jupyter/labextensions/%s" % labext_name, lab_path, "**"),
+    ("share/jupyter/labextensions/%s" % labext_name, HERE, "install.json"),
 ]
 
-long_description = (HERE / "README.md").read_text()
+cmdclass = create_cmdclass("jsdeps",
+    package_data_spec=package_data_spec,
+    data_files_spec=data_files_spec
+)
+
+js_command = combine_commands(
+    install_npm(HERE, build_cmd="build:prod", npm=["jlpm"]),
+    ensure_targets(jstargets),
+)
+
+is_repo = os.path.exists(os.path.join(HERE, ".git"))
+if is_repo:
+    cmdclass["jsdeps"] = js_command
+else:
+    cmdclass["jsdeps"] = skip_if_exists(jstargets, js_command)
 
-# Get the package info from package.json
-pkg_json = json.loads((HERE / "package.json").read_bytes())
+with open("README.md", "r") as fh:
+    long_description = fh.read()
 
 setup_args = dict(
     name=name,
-    version=pkg_json["version"],
-    url=pkg_json["homepage"],
-    author=pkg_json["author"]["name"],
-    author_email=pkg_json["author"]["email"],
-    description=pkg_json["description"],
-    license=pkg_json["license"],
-    long_description=long_description,
+    version=version,
+    url="https://github.com/jupyterlab/extension-examples.git",
+    author="Project Jupyter Contributors",
+    description="minimal lab example",
+    long_description= long_description,
     long_description_content_type="text/markdown",
+    cmdclass= cmdclass,
     packages=setuptools.find_packages(),
     install_requires=[
-        "jupyter_server>=1.6,<2"
+        "jupyterlab>=3.0.0rc15,==3.*",
     ],
     zip_safe=False,
     include_package_data=True,
     python_requires=">=3.6",
+    license="BSD-3-Clause",
     platforms="Linux, Mac OS X, Windows",
     keywords=["Jupyter", "JupyterLab", "JupyterLab3"],
     classifiers=[
@@ -57,24 +84,10 @@
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
         "Framework :: Jupyter",
     ],
 )
 
-try:
-    from jupyter_packaging import (
-        wrap_installers,
-        npm_builder,
-        get_data_files
-    )
-    post_develop = npm_builder(
-        build_cmd="install:extension", source_dir="src", build_dir=lab_path
-    )
-    setup_args['cmdclass'] = wrap_installers(post_develop=post_develop, ensured_targets=ensured_targets)
-    setup_args['data_files'] = get_data_files(data_files_spec)
-except ImportError as e:
-    pass
 
 if __name__ == "__main__":
-    setuptools.setup(**setup_args)
+    setuptools.setup(**setup_args)