build: Use poetry build system to match SDK (#19)

.github/workflows/ci.yml

@@ -27,11 +27,14 @@ jobs:
  with:
  python-version: 3.8
 
+ - name: Install poetry
+ uses: abatilo/actions-poetry@7b6d33e44b4f08d7021a1dee3c044e9c253d6439
+
  - name: Install dependencies
- run: pip install --user -r requirements.txt
+ run: poetry install
 
  - uses: launchdarkly/gh-actions/actions/verify-hello-app@verify-hello-app-v1.0.1
  with:
  use_server_key: true
  role_arn: ${{ vars.AWS_ROLE_ARN }}
- command: python main.py
+ command: poetry run python main.py

.gitignore

@@ -1 +1,2 @@
 .python-version
+poetry.lock

README.md

@@ -15,7 +15,8 @@ This demo requires Python 3.8 or higher.
  export LAUNCHDARKLY_FLAG_KEY="my-boolean-flag"
  ```
 
-1. Install the required dependencies with `pip install -r requirements.txt`.
-1. On the command line, run `python main.py`
+1. Ensure you have [Poetry](https://python-poetry.org/) installed.
+1. Install the required dependencies with `poetry install`.
+1. On the command line, run `poetry run python main.py`
 
 You should receive the message "The <flagKey> feature flag evaluates to <flagValue>.". The application will run continuously and react to the flag changes in LaunchDarkly.

pyproject.toml

@@ -0,0 +1,17 @@
+[tool.poetry]
+name = "main"
+version = "0.1.0"
+description = "Hello LaunchDarkly for Python"
+authors = ["LaunchDarkly <dev@launchdarkly.com>"]
+license = "Apache-2.0"
+readme = "README.md"
+
+[tool.poetry.dependencies]
+python = "^3.8"
+launchdarkly-server-sdk = ">=9.0.0"
+halo = ">=0.0.3"
+
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"