From e75d501510d8a44e9d0188510df40a160ad8d55d Mon Sep 17 00:00:00 2001
From: martinRenou <martin.renou@gmail.com>
Date: Wed, 8 Nov 2023 14:16:48 +0100
Subject: [PATCH 1/2] Support both jupyterlite 0.1 and 0.2

---
 jupyterlite_xeus_python/env_build_addon.py | 14 +++++++++-----
 setup.py                                   |  2 +-
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/jupyterlite_xeus_python/env_build_addon.py b/jupyterlite_xeus_python/env_build_addon.py
index 037350a..9cbc482 100644
--- a/jupyterlite_xeus_python/env_build_addon.py
+++ b/jupyterlite_xeus_python/env_build_addon.py
@@ -22,10 +22,7 @@
     UTF8,
     FEDERATED_EXTENSIONS,
 )
-from jupyterlite_core.addons.federated_extensions import (
-    FederatedExtensionAddon,
-    ENV_EXTENSIONS,
-)
+from jupyterlite_core.addons.federated_extensions import FederatedExtensionAddon
 
 from .build import XEUS_PYTHON_VERSION, build_and_pack_emscripten_env
 
@@ -73,8 +70,15 @@ def __init__(self, *args, **kwargs):
 
     def post_build(self, manager):
         """yield a doit task to create the emscripten-32 env and grab anything we need from it"""
+        try:
+            # JupyterLite 0.1.x
+            from jupyterlite_core.addons.federated_extensions import ENV_EXTENSIONS as env_extensions
+        except ImportError:
+            # JupyterLite 0.2.x
+            env_extensions = self.labextensions_path
+
         # Install the jupyterlite-xeus-python ourselves
-        for pkg_json in self.env_extensions(ENV_EXTENSIONS):
+        for pkg_json in self.env_extensions(env_extensions):
             pkg_data = json.loads(pkg_json.read_text(**UTF8))
             if pkg_data.get("name") == JUPYTERLITE_XEUS_PYTHON:
                 yield from self.safe_copy_extension(pkg_json)
diff --git a/setup.py b/setup.py
index fc31e41..8141efa 100644
--- a/setup.py
+++ b/setup.py
@@ -59,7 +59,7 @@
     packages=setuptools.find_packages(exclude=["tests"]),
     install_requires=[
         "traitlets",
-        "jupyterlite-core>=0.1,<0.2",
+        "jupyterlite-core>=0.1,<0.3",
         "requests",
         "empack>=3.1,<4",
         "typer",

From c39538604f20c793e2f5f99d65b1165d796c8f3e Mon Sep 17 00:00:00 2001
From: martinRenou <martin.renou@gmail.com>
Date: Wed, 8 Nov 2023 14:17:54 +0100
Subject: [PATCH 2/2] Update jupyterlite in docs

---
 docs/build-environment.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/build-environment.yml b/docs/build-environment.yml
index 7b8c98b..8fff76f 100644
--- a/docs/build-environment.yml
+++ b/docs/build-environment.yml
@@ -13,7 +13,7 @@ dependencies:
   - pydata-sphinx-theme
   - yarn
   - jupyterlab >=3.5.3,<3.6
-  - jupyterlite-core >=0.1.0,<0.2.0
+  - jupyterlite-core >=0.1.0,<0.3.0
   - jupyterlite-sphinx >=0.9.1
   - empack >=3.1.0
   - pip: