Initial commit

.gitignore

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+*.swp
+package-lock.json
+__pycache__
+.pytest_cache
+.env
+*.egg-info
+
+# CDK asset staging directory
+.cdk.staging
+cdk.out

README.md

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+
+# Welcome to your CDK Python project!
+
+This is a blank project for Python development with CDK.
+
+The `cdk.json` file tells the CDK Toolkit how to execute your app.
+
+This project is set up like a standard Python project.  The initialization
+process also creates a virtualenv within this project, stored under the .env
+directory.  To create the virtualenv it assumes that there is a `python3`
+(or `python` for Windows) executable in your path with access to the `venv`
+package. If for any reason the automatic creation of the virtualenv fails,
+you can create the virtualenv manually.
+
+To manually create a virtualenv on MacOS and Linux:
+
+```
+$ python3 -m venv .env
+```
+
+After the init process completes and the virtualenv is created, you can use the following
+step to activate your virtualenv.
+
+```
+$ source .env/bin/activate
+```
+
+If you are a Windows platform, you would activate the virtualenv like this:
+
+```
+% .env\Scripts\activate.bat
+```
+
+Once the virtualenv is activated, you can install the required dependencies.
+
+```
+$ pip install -r requirements.txt
+```
+
+At this point you can now synthesize the CloudFormation template for this code.
+
+```
+$ cdk synth
+```
+
+To add additional dependencies, for example other CDK libraries, just add
+them to your `setup.py` file and rerun the `pip install -r requirements.txt`
+command.
+
+## Useful commands
+
+ * `cdk ls`          list all stacks in the app
+ * `cdk synth`       emits the synthesized CloudFormation template
+ * `cdk deploy`      deploy this stack to your default AWS account/region
+ * `cdk diff`        compare deployed stack with current state
+ * `cdk docs`        open CDK documentation
+
+Enjoy!

app.py

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+#!/usr/bin/env python3
+
+from aws_cdk import core
+
+from once.once_stack import OnceStack
+
+
+app = core.App()
+OnceStack(app, "once")
+
+app.synth()

cdk.json

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+{
+  "app": "python3 app.py",
+  "context": {
+    "@aws-cdk/core:enableStackNameDuplicates": "true",
+    "aws-cdk:enableDiffNoFail": "true"
+  }
+}

once/once_stack.py

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+from aws_cdk import core
+
+
+class OnceStack(core.Stack):
+
+    def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
+        super().__init__(scope, id, **kwargs)
+
+        # The code that defines your stack goes here

requirements.txt

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+-e .

setup.py

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+import setuptools
+
+
+with open("README.md") as fp:
+    long_description = fp.read()
+
+
+setuptools.setup(
+    name="once",
+    version="0.0.1",
+
+    description="An empty CDK Python app",
+    long_description=long_description,
+    long_description_content_type="text/markdown",
+
+    author="author",
+
+    package_dir={"": "once"},
+    packages=setuptools.find_packages(where="once"),
+
+    install_requires=[
+        "aws-cdk.core==1.43.0",
+    ],
+
+    python_requires=">=3.6",
+
+    classifiers=[
+        "Development Status :: 4 - Beta",
+
+        "Intended Audience :: Developers",
+
+        "License :: OSI Approved :: Apache Software License",
+
+        "Programming Language :: JavaScript",
+        "Programming Language :: Python :: 3 :: Only",
+        "Programming Language :: Python :: 3.6",
+        "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
+
+        "Topic :: Software Development :: Code Generators",
+        "Topic :: Utilities",
+
+        "Typing :: Typed",
+    ],
+)

source.bat

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+@echo off
+
+rem The sole purpose of this script is to make the command
+rem
+rem     source .env/bin/activate
+rem
+rem (which activates a Python virtualenv on Linux or Mac OS X) work on Windows.
+rem On Windows, this command just runs this batch file (the argument is ignored).
+rem
+rem Now we don't need to document a Windows command for activating a virtualenv.
+
+echo Executing .env\Scripts\activate.bat for you
+.env\Scripts\activate.bat