Updates to the layer-python sample app:

- Update the regular layer scripts to not use Docker, as it isn't necessary
- Add an example using numpy to show how to package a layer when universal wheel isn't available

Author: yualexan

sample-apps/layer-python/function-numpy/lambda_function.py

@@ -0,0 +1,12 @@
+import json
+import numpy as np
+
+def lambda_handler(event, context):
+    
+    x = np.arange(15, dtype=np.int64).reshape(3, 5)
+    print(x)
+    
+    return {
+        'statusCode': 200,
+        'body': json.dumps('Hello from Lambda!')
+    }

sample-apps/layer-python/function-numpy/response.json

@@ -0,0 +1 @@
+{"errorMessage": "Unable to import module 'lambda_function': No module named 'numpy'", "errorType": "Runtime.ImportModuleError", "requestId": "31c0a568-b1e1-4e63-8f76-1ddc89eea07c", "stackTrace": []}

sample-apps/layer-python/function/response.json

@@ -0,0 +1 @@
+{"statusCode": 200, "body": "{\"current_user_url\":\"https://api.github.com/user\",\"current_user_authorizations_html_url\":\"https://github.com/settings/connections/applications{/client_id}\",\"authorizations_url\":\"https://api.github.com/authorizations\",\"code_search_url\":\"https://api.github.com/search/code?q={query}{&page,per_page,sort,order}\",\"commit_search_url\":\"https://api.github.com/search/commits?q={query}{&page,per_page,sort,order}\",\"emails_url\":\"https://api.github.com/user/emails\",\"emojis_url\":\"https://api.github.com/emojis\",\"events_url\":\"https://api.github.com/events\",\"feeds_url\":\"https://api.github.com/feeds\",\"followers_url\":\"https://api.github.com/user/followers\",\"following_url\":\"https://api.github.com/user/following{/target}\",\"gists_url\":\"https://api.github.com/gists{/gist_id}\",\"hub_url\":\"https://api.github.com/hub\",\"issue_search_url\":\"https://api.github.com/search/issues?q={query}{&page,per_page,sort,order}\",\"issues_url\":\"https://api.github.com/issues\",\"keys_url\":\"https://api.github.com/user/keys\",\"label_search_url\":\"https://api.github.com/search/labels?q={query}&repository_id={repository_id}{&page,per_page}\",\"notifications_url\":\"https://api.github.com/notifications\",\"organization_url\":\"https://api.github.com/orgs/{org}\",\"organization_repositories_url\":\"https://api.github.com/orgs/{org}/repos{?type,page,per_page,sort}\",\"organization_teams_url\":\"https://api.github.com/orgs/{org}/teams\",\"public_gists_url\":\"https://api.github.com/gists/public\",\"rate_limit_url\":\"https://api.github.com/rate_limit\",\"repository_url\":\"https://api.github.com/repos/{owner}/{repo}\",\"repository_search_url\":\"https://api.github.com/search/repositories?q={query}{&page,per_page,sort,order}\",\"current_user_repositories_url\":\"https://api.github.com/user/repos{?type,page,per_page,sort}\",\"starred_url\":\"https://api.github.com/user/starred{/owner}{/repo}\",\"starred_gists_url\":\"https://api.github.com/gists/starred\",\"topic_search_url\":\"https://api.github.com/search/topics?q={query}{&page,per_page}\",\"user_url\":\"https://api.github.com/users/{user}\",\"user_organizations_url\":\"https://api.github.com/user/orgs\",\"user_repositories_url\":\"https://api.github.com/users/{user}/repos{?type,page,per_page,sort}\",\"user_search_url\":\"https://api.github.com/search/users?q={query}{&page,per_page,sort,order}\"}"}

sample-apps/layer-python/layer-numpy/1-install.sh

@@ -0,0 +1,3 @@
+python3.11 -m venv create_layer
+source create_layer/bin/activate
+pip install -r requirements.txt --platform=manylinux2014_x86_64 --only-binary=:all: --target ./create_layer/lib/python3.11/site-packages

sample-apps/layer-python/layer-numpy/2-package.sh

@@ -0,0 +1,3 @@
+mkdir python
+cp -r create_layer/lib python/
+zip -r layer_content.zip python

sample-apps/layer-python/layer-numpy/requirements.txt

@@ -0,0 +1 @@
+https://files.pythonhosted.org/packages/3a/d0/edc009c27b406c4f9cbc79274d6e46d634d139075492ad055e3d68445925/numpy-1.26.4-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl

sample-apps/layer-python/layer/docker_install.sh renamed to sample-apps/layer-python/layer/1-install.sh

@@ -1,7 +1,3 @@
 python3.11 -m venv create_layer
 source create_layer/bin/activate
 pip install -r requirements.txt
-
-mkdir python
-cp -r create_layer/lib python/
-zip -r layer_content.zip python

sample-apps/layer-python/layer/2-package.sh

@@ -0,0 +1,3 @@
+mkdir python
+cp -r create_layer/lib python/
+zip -r layer_content.zip python

sample-apps/layer-python/layer/Dockerfile

@@ -0,0 +1,5 @@
+home = /opt/homebrew/opt/python@3.11/bin
+include-system-site-packages = false
+version = 3.11.6
+executable = /opt/homebrew/Cellar/python@3.11/3.11.6_1/Frameworks/Python.framework/Versions/3.11/bin/python3.11
+command = /opt/homebrew/opt/python@3.11/bin/python3.11 -m venv /Users/yualexan/AWSDocProjects/aws-lambda-developer-guide/sample-apps/layer-python/layer/create_layer