Updates repository to use UV and Python 3.14

.dockerignore

@@ -153,4 +153,19 @@ cython_debug/
 output/
 
 # MacOS files
-.DS_Store
+.DS_Store
+
+# AWS SAM build artifacts
+.aws-sam/
+
+.github
+
+
+.venv/
+.git/
+__pycache__/
+*.pyc
+.pytest_cache/
+tests/
+.env
+.mypy_cache/

.github/workflows/ci.yml

@@ -2,6 +2,6 @@ name: CI
 on: push
 jobs:
   test:
-    uses: mitlibraries/.github/.github/workflows/python-shared-test.yml@main
+    uses: mitlibraries/.github/.github/workflows/python-uv-shared-test.yml@main
   lint:
-    uses: mitlibraries/.github/.github/workflows/python-shared-lint.yml@main
+    uses: mitlibraries/.github/.github/workflows/python-uv-shared-lint.yml@main

.gitignore

@@ -136,4 +136,8 @@ dmypy.json
 .vscode/
 
 # jetbrains
-.idea/
+.idea/
+
+# SAM
+.aws-sam/
+tests/sam/env.json

.pre-commit-config.yaml

@@ -1,29 +1,29 @@
 default_language_version:
-  python: python3.12 # set for project python version
+  python: python3.14 # set for project python version
 repos:
   - repo: local
     hooks:
       - id: black-apply
         name: black-apply
-        entry: pipenv run black
+        entry: uv run black
         language: system
         pass_filenames: true
         types: ["python"]
       - id: mypy
         name: mypy
-        entry: pipenv run mypy
+        entry: uv run mypy
         language: system
         pass_filenames: true
         types: ["python"]
         exclude: "tests/"
       - id: ruff-apply
         name: ruff-apply
-        entry: pipenv run ruff check --fix
+        entry: uv run ruff check --fix
         language: system
         pass_filenames: true
         types: ["python"]
-      - id: pip-audit
-        name: pip-audit
-        entry: pipenv run pip-audit
-        language: system
-        pass_filenames: false
+      # - id: pip-audit
+      #   name: pip-audit
+      #   entry: uv run pip-audit
+      #   language: system
+      #   pass_filenames: false

.python-version

@@ -1 +1 @@
-3.12
+3.14

Dockerfile

@@ -1,12 +1,19 @@
-FROM public.ecr.aws/lambda/python:3.12
+# ---- Build stage ----
+FROM public.ecr.aws/lambda/python:3.14 AS builder
+
+COPY --from=ghcr.io/astral-sh/uv:0.10.7 /uv /uvx /bin/
+
+COPY pyproject.toml uv.lock ${LAMBDA_TASK_ROOT}/
+
+RUN cd ${LAMBDA_TASK_ROOT} && \
+  uv export --format requirements-txt --no-hashes --no-dev > requirements.txt && \
+  uv pip install -r requirements.txt --target "${LAMBDA_TASK_ROOT}" --no-cache --system
 
-# Copy function code
 COPY . ${LAMBDA_TASK_ROOT}/
 
-# Install dependencies
-RUN pip3 install pipenv
-RUN pipenv requirements > requirements.txt
-RUN pip3 install -r requirements.txt --target "${LAMBDA_TASK_ROOT}"
+# ---- Runtime stage ----
+FROM public.ecr.aws/lambda/python:3.14
+
+COPY --from=builder ${LAMBDA_TASK_ROOT} ${LAMBDA_TASK_ROOT}
 
-# Default handler. See README for how to override to a different handler.
-CMD [ "lambdas.my_function.lambda_handler" ]
+CMD ["lambdas.my_function.lambda_handler"]

Makefile

@@ -5,53 +5,77 @@ help: # Preview Makefile commands
 	@awk 'BEGIN { FS = ":.*#"; print "Usage:  make <target>\n\nTargets:" } \
 /^[-_[:alpha:]]+:.?*#/ { printf "  %-15s%s\n", $$1, $$2 }' $(MAKEFILE_LIST)
 
-#######################
-# Dependency commands
-#######################
+# ensure OS binaries aren't called if naming conflict with Make recipes
+.PHONY: help venv install update test coveralls lint black mypy ruff safety lint-apply black-apply ruff-apply
 
-install: # Install Python dependencies
-	pipenv install --dev
-	pipenv run pre-commit install
+##############################################
+# Python Environment and Dependency commands
+##############################################
 
-update: install # Update Python dependencies
-	pipenv clean
-	pipenv update --dev
+install: .venv .git/hooks/pre-commit # Install Python dependencies, hooks, and create virtual environment if not exists
+	uv sync --dev
+
+.venv: # Creates virtual environment if not found
+	@echo "Creating virtual environment at .venv..."
+	uv venv .venv
+
+.git/hooks/pre-commit: # Sets up pre-commit hook if not setup
+	@echo "Installing pre-commit hooks..."
+	uv run pre-commit install
+
+venv: .venv # Create the Python virtual environment
+
+update: # Update Python dependencies
+	uv lock --upgrade
+	uv sync --dev
 
 ######################
 # Unit test commands
 ######################
 
 test: # Run tests and print a coverage report
-	pipenv run coverage run --source=lambdas -m pytest -vv
-	pipenv run coverage report -m
+	uv run coverage run --source=lambdas -m pytest -vv
+	uv run coverage report -m
 
 coveralls: test # Write coverage data to an LCOV report
-	pipenv run coverage lcov -o ./coverage/lcov.info
+	uv run coverage lcov -o ./coverage/lcov.info
 
 ####################################
 # Code quality and safety commands
 ####################################
 
-lint: black mypy ruff safety # Run linters
+lint: black mypy ruff # Run linters
 
 black: # Run 'black' linter and print a preview of suggested changes
-	pipenv run black --check --diff .
+	uv run black --check --diff .
 
 mypy: # Run 'mypy' linter
-	pipenv run mypy .
+	uv run mypy .
 
 ruff: # Run 'ruff' linter and print a preview of errors
-	pipenv run ruff check .
+	uv run ruff check .
 
-safety: # Check for security vulnerabilities and verify Pipfile.lock is up-to-date
-	pipenv run pip-audit
-	pipenv verify
+safety: # Check for security vulnerabilities
+	uv run pip-audit
 
-lint-apply: # Apply changes with 'black' and resolve 'fixable errors' with 'ruff'
-	black-apply ruff-apply 
+lint-apply: black-apply ruff-apply # Apply changes with 'black' and resolve 'fixable errors' with 'ruff'
 
 black-apply: # Apply changes with 'black'
-	pipenv run black .
+	uv run black .
 
 ruff-apply: # Resolve 'fixable errors' with 'ruff'
-	pipenv run ruff check --fix .
+	uv run ruff check --fix .
+
+####################################
+# SAM Lambda
+####################################
+sam-build: # Build SAM image for running Lambda locally
+	sam build --template tests/sam/template.yaml
+
+sam-http-run: # Run lambda locally as an HTTP server
+	sam local start-api --template tests/sam/template.yaml --env-vars tests/sam/env.json
+
+sam-http-ping: # Send curl command to SAM HTTP server
+	curl --location 'http://localhost:3000/myapp' \
+	--header 'Content-Type: application/json' \
+	--data '{"msg":"in a bottle"}'