Use json5 to load settings files. (#71)

jupyterlab_server/settings_handler.py

@@ -6,11 +6,11 @@
 import os
 
 from glob import glob
+import json5
 from jsonschema import ValidationError
 from jsonschema import Draft4Validator as Validator
 from tornado import web
 
-from .json_minify import json_minify
 from .server import APIHandler, json_errors
 
 
@@ -66,7 +66,7 @@ def _get_settings(settings_dir, schema_name, schema):
         with open(path) as fid:
             try:  # to load and parse the settings file.
                 raw = fid.read() or raw
-                settings = json.loads(json_minify(raw))
+                settings = json5.loads(raw)
             except Exception as e:
                 raise web.HTTPError(500, parse_error % (schema_name, str(e)))
 
@@ -248,7 +248,7 @@ def put(self, schema_name):
         schema = _get_schema(schemas_dir, schema_name, overrides)
         validator = Validator(schema)
         try:
-            validator.validate(json.loads(json_minify(raw)))
+            validator.validate(json5.loads(raw))
         except ValidationError as e:
             raise web.HTTPError(400, validation_error % str(e))
 

setup.py

@@ -39,7 +39,11 @@
 if 'setuptools' in sys.modules:
     setup_args['python_requires'] = '>=3.5'
     setup_args['extras_require'] = {'test': ['pytest', 'requests']}
-    setup_args['install_requires'] = ['jsonschema>=3.0.1', 'notebook>=4.2.0']
+    setup_args['install_requires'] = [
+        'json5',
+        'jsonschema>=3.0.1',
+        'notebook>=4.2.0',
+    ]
 
 if __name__ == '__main__':
     setup(**setup_args)