eli-507 remove unused packages [test, example] from botocore dependency (#446)

* eli-507 remove botocore dependency

* eli-507 flask extras

* eli-507 add clean lambda script

* eli-507 position clean lambda script

* boto dependencies are placed in main again

---------

Co-authored-by: karthikeyannhs <[email protected]>

Author: ayeshalshukri1-nhs

Makefile

@@ -43,7 +43,7 @@ check-licenses:
 build: dist/lambda.zip # Build lambda.zip in dist/
 
 dist/lambda.zip: $(MAKE_DIR)/pyproject.toml $(MAKE_DIR)/poetry.lock $(shell find src -type f)
-	poetry build-lambda -vv
+	poetry build-lambda -vv && poetry run clean-lambda
 
 deploy: # Deploy the project artefact to the target environment @Pipeline
 	# TODO: Implement the artefact deployment step

poetry.lock

@@ -26,15 +26,15 @@ httpx = "^0.28.1"
 yarl = "^1.18.3"
 pydantic = "^2.12.3"
 asgiref = "^3.9.1"
-boto3 = "^1.40.57"
-botocore = "^1.40.57"
 eval-type-backport = "^0.2.2"
 mangum = "^0.19.0"
 wireup = "^2.1.0"
 python-json-logger = "^3.3.0"
 fhir-resources = "^8.0.0"
 python-dateutil = "^2.9.0"
 pyhamcrest = "^2.1.0"
+boto3 = "^1.40.57"
+botocore = "^1.40.57"
 aws-xray-sdk = "2.14.0"
 
 [tool.poetry.group.dev.dependencies]
@@ -73,6 +73,9 @@ docker-platform = "linux/x86_64"
 package-artifact-path = "dist/lambda.zip"
 without = "dev"
 
+[tool.poetry.scripts]
+clean-lambda = "scripts.lambda.clean_lambda:main"
+
 [tool.ruff]
 line-length = 120
 exclude = ["docs/", "scripts/"]

pyproject.toml

@@ -0,0 +1,58 @@
+import zipfile
+import os
+import shutil
+import tempfile
+import logging
+
+ZIP_PATH = "dist/lambda.zip"
+
+# Configure logging
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s [%(levelname)s] %(message)s"
+)
+logger = logging.getLogger(__name__)
+
+# Folders to prune (only safe unused folders)
+BOTOCORE_SAFE_PRUNE = [
+    "botocore/data/s3/tests",
+    "botocore/data/glacier/tests",
+]
+
+BOTO3_SAFE_PRUNE = [
+    "boto3/examples"
+]
+
+def main():
+    if not os.path.exists(ZIP_PATH):
+        logger.warning("ZIP file %s does not exist. Skipping cleanup.", ZIP_PATH)
+        return
+
+    tmp_dir = tempfile.mkdtemp(prefix="lambda_clean_")
+    logger.info("Unzipping %s...", ZIP_PATH)
+    with zipfile.ZipFile(ZIP_PATH, "r") as z:
+        z.extractall(tmp_dir)
+
+    # Remove only safe folders
+    for folder_list in [BOTOCORE_SAFE_PRUNE, BOTO3_SAFE_PRUNE]:
+        for rel in folder_list:
+            target = os.path.join(tmp_dir, rel)
+            if os.path.exists(target):
+                logger.info("Removing %s", target)
+                shutil.rmtree(target)
+
+    # Re-create the cleaned zip
+    logger.info("Re-zipping cleaned Lambda package...")
+    with zipfile.ZipFile(ZIP_PATH, "w", zipfile.ZIP_DEFLATED) as z:
+        for root, _, files in os.walk(tmp_dir):
+            for f in files:
+                abs_path = os.path.join(root, f)
+                rel_path = os.path.relpath(abs_path, tmp_dir)
+                z.write(abs_path, rel_path)
+
+    shutil.rmtree(tmp_dir)
+    logger.info("Cleaned Lambda saved at %s", ZIP_PATH)
+
+if __name__ == "__main__":
+    logger.info("Running clean_lambda.py...")
+    main()