feat: Add uv as package manager (#1)

* style: Reformat README

* refactor: Remove unused import

* refactor: Fix linter warnings

* feat: Add uv as package manager

* ci: Change workflow trigger to avoid duplicate runs

.github/workflows/build.yaml

@@ -0,0 +1,32 @@
+name: Build
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    types: [opened, reopened, synchronize]
+
+jobs:
+  python:
+    name: Build & check Python
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v3
+        with:
+          version: "0.4.20"
+          enable-cache: true
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version-file: ".python-version"
+
+      - name: Install the project
+        run: uv sync --all-extras --dev
+
+      - name: Run Ruff
+        run: uv run ruff check --output-format=github .

.python-version

@@ -0,0 +1 @@
+3.12

README.md

@@ -1,30 +1,57 @@
 # nva-aws-cli-tools
-Python scripts using aws-cli 
 
-# Prerequisites
+Python scripts using aws-cli
+
+## Prerequisites
+
 * python 3.2 or newer
 * pip3 install boto3
 * aws credentials available
 
-# Log in to get AWS credentials
+## Setup with uv (experimental)
 
-Follow manual here:
-https://gitlab.sikt.no/platon/aws-cli-tools/-/tree/master/samlauth
+This section describes how to use `uv`, a new package manager for Python.
+Following this guide will set up an isolated virtual environment with the Python version specified in `.python-version`.
+Ignore the section if you prefer to manage dependencies in some other way.
+
+To use `uv`, follow the installation guide at [astral.sh/uv](https://docs.astral.sh/uv/getting-started/installation/).
 
+```bash
+# Install Python
+uv python install
 
-# Scripts
+# Install dependencies
+uv sync
 
-## list_old_function_versions.py
+# Example: Add or remove dependencies from the project
+uv add boto3 click rich
+uv remove rich click
+
+# Run a script using the managed virtual environment
+uv run roles.py help
 ```
+
+### Log in to get AWS credentials
+
+Follow manual here:
+<https://gitlab.sikt.no/platon/aws-cli-tools/-/tree/master/samlauth>
+
+## Scripts
+
+### list_old_function_versions.py
+
+```bash
 > python3 list_old_function_versions.py -h
 > usage: list_old_function_versions.py [-h] [-d]
 
 options:
   -h, --help    show this help message and exit
   -d, --delete  delete old versions
 ```
-## roles.py
-```
+
+### roles.py
+
+```bash
 python3 roles.py help           
 
     Please, specify one of the following actions:

list_old_function_versions.py

@@ -1,4 +1,5 @@
-import boto3, argparse
+import boto3
+import argparse
 
 def clean_old_lambda_versions(client, delete):
     functions_paginator = client.get_paginator('list_functions')

pyproject.toml

@@ -0,0 +1,18 @@
+[project]
+name = "nva-aws-cli-tools"
+version = "0.1.0"
+description = "Python scripts using aws-cli"
+readme = "README.md"
+requires-python = ">=3.11"
+dependencies = [
+    "boto3>=1.35.36",
+    "click>=8.1.7",
+    "rich>=13.9.2",
+    "tabulate>=0.9.0",
+    "tqdm>=4.66.5",
+]
+
+[tool.uv]
+dev-dependencies = [
+    "ruff>=0.6.9",
+]

roles.py

@@ -1,5 +1,4 @@
 import boto3
-from boto3.dynamodb.conditions import Attr
 from boto3.dynamodb.types import TypeDeserializer, TypeSerializer
 import sys
 import json
@@ -116,19 +115,12 @@ def write_roles_to_db(roles, key):
     dynamodb = boto3.resource('dynamodb')
     table = dynamodb.Table(table_name)
 
-    response = table.update_item(
-        Key={
-            'PrimaryKeyHashKey': key,
-            'PrimaryKeyRangeKey': key
-        },
+    table.update_item(
+        Key={"PrimaryKeyHashKey": key, "PrimaryKeyRangeKey": key},
         UpdateExpression="set #rl = :r",
-        ExpressionAttributeNames={
-            "#rl": "roles"
-        },
-        ExpressionAttributeValues={
-            ':r': roles
-        },
-        ReturnValues="UPDATED_NEW"
+        ExpressionAttributeNames={"#rl": "roles"},
+        ExpressionAttributeValues={":r": roles},
+        ReturnValues="UPDATED_NEW",
     )
 
 def lookup(value):
@@ -249,4 +241,4 @@ def help():
         help()
 
     else:
-        print("Invalid action. Please specify either 'read', 'write', 'lookup', or 'help'.")
+        print("Invalid action. Please specify either 'read', 'write', 'lookup', or 'help'.")