Implement support to Notebook.link

.github/workflows/pypi-release.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: prefix-dev/setup-pixi@v0.9.3
         with:
-          pixi-version: v0.56.0
+          pixi-version: v0.62.2
           cache: true
       - name: Publish to PyPI
         env:

.github/workflows/test-examples.yml

@@ -26,7 +26,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: prefix-dev/setup-pixi@v0.9.3
         with:
-          pixi-version: v0.56.0
+          pixi-version: v0.62.2
           cache: true
       - name: Test example
         run: pixi run repo2wasm ${{ matrix.example_path }} --no-run

.github/workflows/unittest.yml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: prefix-dev/setup-pixi@v0.9.3
         with:
-          pixi-version: v0.56.0
+          pixi-version: v0.62.2
           cache: true
       - name: Test example
         run: pixi run test

docs/source/changelog.md

@@ -2,6 +2,10 @@
 
 ## 0.7.0
 
+### Enhancements made
+
+- Support configuration files in `.nblink`
+
 ## 0.6.0
 
 ### Enhancements made

docs/source/index.md

@@ -2,7 +2,7 @@
 
 `repo2wasm` is a clone of [`jupyter-repo2docker`] targeting [WebAssembly](https://en.wikipedia.org/wiki/WebAssembly) (Wasm) environment. If [`jupyter-repo2docker`] is a wrapper around [Docker Engine](https://docs.docker.com/engine/), `repo2wasm` is a wrapper around [JupyterLite].
 
-```{important}
+```{hint}
 Only programming languages already compiled to Wasm are supported, more details in the section "[](#supported-programming-languages)".
 ```
 

docs/source/user-guide/supported-configuration-files.md

@@ -2,7 +2,46 @@
 
 # Supported configuration files
 
-## Users
+## Configuration file location
+
+The supported configuration files are searched in the following directories:
+
+- `.binder`
+- `binder`
+- `.` (root of the project)
+- `.nblink`
+
+### Root of project
+
+![status: implemented](https://img.shields.io/badge/status-implemented-green)
+![version: 0.3.0](https://img.shields.io/badge/version-0.3.0-blue)
+
+### `binder` folder
+
+![status: implemented](https://img.shields.io/badge/status-implemented-green)
+![version: 0.3.0](https://img.shields.io/badge/version-0.3.0-blue)
+
+The `binder` folder **must** be at the root of your project.
+
+### `.binder` folder
+
+![status: implemented](https://img.shields.io/badge/status-implemented-green)
+![version: 0.3.0](https://img.shields.io/badge/version-0.3.0-blue)
+
+The `.binder` folder **must** be at the root of your project.
+
+### `.nblink` folder
+
+![status: implemented](https://img.shields.io/badge/status-implemented-green)
+![version: 0.7.0](https://img.shields.io/badge/version-0.7.0-blue)
+
+The `.nblink` folder **must** be at the root of your project.
+
+```{error}
+The `.nblink` folder is not searched by `jupyter-repo2docker` used by [mybinder.org](https://mybinder.org).
+```
+
+## Configuration file for users
 
 ### `environment.yml`
 
@@ -43,7 +82,7 @@ More details in [repo2docker > User guide > install.R - Install R packages](http
 
 More details in [repo2docker > User guide > Project.toml - Install a Julia environment](https://repo2docker.readthedocs.io/en/latest/configuration/research/#project-toml-install-a-julia-environment).
 
-## Package Developers
+## Configuration file for package developers
 
 ### `Pipfile` and/or `Pipfile.lock`
 
@@ -63,7 +102,7 @@ More details in [repo2docker > User guide > setup.py - Install Python packages](
 
 More details in [repo2docker > User guide > DESCRIPTION - Install as an R package](https://repo2docker.readthedocs.io/en/latest/configuration/research/#description-install-as-an-r-package).
 
-## System-wide configuration
+## Configuration file for system-wide configuration
 
 ### `apt.txt`
 
@@ -89,7 +128,7 @@ More details in [repo2docker > User guide > default.nix - the nix package manage
 
 More details in [repo2docker > User guide > Dockerfile - Advanced environments](https://repo2docker.readthedocs.io/en/latest/configuration/system/#dockerfile-advanced-environments).
 
-## Post-build actions
+## Configuration file for post-build actions
 
 ### `postBuild`
 

pyproject.toml

@@ -60,7 +60,7 @@ description = "Build source into Python package"
 cmd = "rm -rf dist; python -m build"
 
 [tool.pixi.feature.release.tasks.upload]
-description = "Upload package to PyPI" 
+description = "Upload package to PyPI"
 cmd = "python3 -m twine upload --repository pypi dist/*"
 depends-on = ["build"]
 

src/repo2wasm/binder.py

@@ -7,39 +7,61 @@
 
 logger = logging.getLogger(__name__)
 
-ALLOWED_BINDER_DIR = [".binder", "binder", "."]
+# As documented in https://repo2docker.readthedocs.io/en/latest/specification/
+ALLOWED_REPO2DOCKER_DIR = [".binder", "binder", "."]
 
-ALLOWED_BINDER_CONFIGURATION_MAPPING = {
+ALLOWED_REPO2DOCKER_CONFIGURATION_MAPPING = {
     "environment.yml": CondaBuildPack,
     "requirements.txt": RequirementsBuildPack,
     "install.R": InstallBuildPack,
 }
 
+# As documented in https://notebook.link/docs/user-guide/enable-your-github-repository#define-the-environment
+ALLOWED_NOTEBOOK_LINK_DIR = [".nblink", "."]
 
-def find_configuration_file(path_to_repository):
-    for configuration_file in ALLOWED_BINDER_CONFIGURATION_MAPPING:
-        for binder_dir in ALLOWED_BINDER_DIR:
-            file_path = os.path.join(path_to_repository, binder_dir, configuration_file)
-            logger.debug("Searching for %s ...", file_path)
-            if os.path.isfile(file_path):
-                logger.debug("Found %s", file_path)
-                return file_path
+ALLOWED_NOTEBOOK_LINK_CONFIGURATION_MAPPING = {
+    "environment.yml": CondaBuildPack,
+}
 
-    raise RuntimeError("Configuration file not found.")
+CONFIGURATION_PROVIDERS = {
+    "repo2docker": (ALLOWED_REPO2DOCKER_CONFIGURATION_MAPPING, ALLOWED_REPO2DOCKER_DIR),
+    "notebook.link": (
+        ALLOWED_NOTEBOOK_LINK_CONFIGURATION_MAPPING,
+        ALLOWED_NOTEBOOK_LINK_DIR,
+    ),
+}
 
 
 def get_buildpack(path_to_repository, ide, output_dir, forgiving=False):
-    configuration_file_path = find_configuration_file(path_to_repository)
+    configuration_file_path = None
+    BuildPack = None
+
+    for provider, (
+        configuration_mapping,
+        allowed_dir,
+    ) in CONFIGURATION_PROVIDERS.items():
+        logger.debug("Testing for %s as provider ...", provider)
+        for configuration_file in configuration_mapping:
+            for binder_dir in allowed_dir:
+                file_path = os.path.join(
+                    path_to_repository, binder_dir, configuration_file
+                )
+                logger.debug("Searching for %s ...", file_path)
+                if os.path.isfile(file_path):
+                    logger.debug("Found %s", file_path)
+                    configuration_file_path = file_path
+                    BuildPack = configuration_mapping[configuration_file]
+                    break
+
+            if configuration_file_path is not None:
+                break
 
-    configuration_file = os.path.basename(configuration_file_path)
+        if configuration_file_path is not None:
+            break
 
-    for (
-        buildpack_configuration_file,
-        BuildPack,
-    ) in ALLOWED_BINDER_CONFIGURATION_MAPPING.items():
-        if configuration_file == buildpack_configuration_file:
-            return BuildPack(
-                path_to_repository, configuration_file_path, ide, output_dir, forgiving
-            )
+    if configuration_file_path is None:
+        raise RuntimeError("Configuration file not found.")
 
-    raise RuntimeError("Build pack not found.")
+    return BuildPack(
+        path_to_repository, configuration_file_path, ide, output_dir, forgiving
+    )