Clean requirements (#10)

* Change constrain on jupyterlab
Bump to version 0.1.3

* Remove JupyterLab classifier
Not yet supported by pypi

* Undo version bump

Co-authored-by: martinRenou <[email protected]>

Author: fcollonval

package.json

@@ -16,6 +16,11 @@
     "name": "Martin Renou",
     "email": "[email protected]"
   },
+  "contributors": [
+    {
+      "name": "Frédéric Collonval"
+    }
+  ],
   "files": [
     "lib/**/*.{d.ts,eot,gif,html,jpg,js,js.map,json,png,svg,woff2,ttf}",
     "style/**/*.{css,.js,eot,gif,html,jpg,json,png,svg,woff2,ttf}"

setup.py

@@ -2,6 +2,7 @@
 jupyterlab-unfold setup
 """
 import json
+import sys
 from pathlib import Path
 
 import setuptools
@@ -42,10 +43,7 @@
     long_description=long_description,
     long_description_content_type="text/markdown",
     packages=setuptools.find_packages(),
-    install_requires=[
-        "jupyter_server>=1.6,<2",
-        "jupyterlab>=3.1.0-alpha.10"
-    ],
+    install_requires=["jupyterlab>=3.1.0"],
     zip_safe=False,
     include_package_data=True,
     python_requires=">=3.6",
@@ -75,7 +73,11 @@
     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
+    import logging
+    logging.basicConfig(format="%(levelname)s: %(message)s")
+    logging.warning("Build tool `jupyter-packaging` is missing. Install it with pip or conda.")
+    if not ("--name" in sys.argv or "--version" in sys.argv):
+        raise e
 
 if __name__ == "__main__":
     setuptools.setup(**setup_args)