feat: setup basic plugin with example

bin/create-sample-project.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+# create a test project under ./tmp which uses the kedro-dvc plugin as 
+# "editable" install.
+#
+set -e
+
+name=$1
+from_branch=${2:-sample-project-basic}
+
+if [[ "$name" == "" ]] ; then
+  echo "usage: setup-sample-project.sh <name> [from-branch]"
+  exit 1
+fi
+echo "creating sample project $name from branch $from_branch"
+
+mkdir -p tmp
+cd tmp
+mkdir $name
+cd $name
+git clone git@github.com:FactFiber/kedro-dvc.git -b $from_branch .
+python3.8 -m venv env/$name
+source env/$name/bin/activate
+pip install --upgrade pip  # ensure pip version >22
+pip install -r src/requirements.txt
+hash -r # ensure shell notes local version of kedro
+kedro --help
+# we should see kedro-dvc commands listed
+echo "to use the sample project run "\""source env/$name"\"""

pyproject.toml

@@ -9,12 +9,12 @@ packages = [{include = "kedro_dvc", from = "src"}]
 
 [tool.poetry.dependencies]
 dvc = "^2.9.3"
+kedro = ">=0.17.6, <0.19"
 numpy = "^1.22.2"
-python = ">=3.8, <3.10"
-kedro = {url = "https://github.com/kedro-org/kedro/archive/develop.zip"}
+python = ">=3.8, <3.9"
 
 [tool.poetry.dev-dependencies]
-black = "21.12b0"
+black = "21.12b0, <23"
 flake8 = "^4.0.1"
 isort = "^5.10.1"
 mypy = "^0.931"
@@ -25,7 +25,14 @@ pytest-cov = "^3.0.0"
 
 [build-system]
 build-backend = "poetry.core.masonry.api"
-requires = ["poetry-core>=1.0.0"]
+requires = ["poetry-core @ git+https://github.com/python-poetry/poetry-core.git@master"]
+
+[tool.poetry-exec-plugin.commands]
+create-sample-project = "bin/create-sample-project.sh"
+
+# NB poetry does not (yet?) support 
+[tool.poetry.plugins."kedro.project_commands"]
+dvc = "kedro_dvc.plugin:dvc"
 
 [tool.black]
 exclude = '''

src/kedro_dvc/__init__.py

@@ -1 +1,19 @@
 __version__ = "0.2.0"
+
+import click
+from kedro.framework.session import KedroSession
+
+
+@click.group(name="JSON")
+def commands():
+    """Kedro plugin for printing the pipeline in JSON format"""
+    pass
+
+
+@commands.command()
+@click.pass_obj
+def to_json(metadata):
+    """Display the pipeline in JSON format"""
+    session = KedroSession.create(metadata.package_name)
+    context = session.load_context()
+    print(context.pipeline.to_json())

src/kedro_dvc/plugin.py

@@ -0,0 +1,19 @@
+import click
+
+# from kedro.framework.session import KedroSession
+
+
+@click.group(name="dvc")
+def dvc():
+    """Kedro-DVC integration."""
+    pass
+
+
+@dvc.command()
+@click.pass_obj
+def hello(metadata):
+    """Display the pipeline in JSON format"""
+    # session = KedroSession.create(metadata.package_name)
+    # context = session.load_context()
+    # print(context.pipeline.to_json())
+    print("HELLO", metadata)