How to write and test your first azure durable function python
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sure! azure durable functions is an extension of azure functions that allows you to write stateful functions in a serverless compute environment. with durable functions, you can implement long-running workflows, manage state, and handle complex orchestration patterns.
here's a step-by-step tutorial on how to write and test your first azure durable function in python.
prerequisites
before you begin, make sure you have the following installed:
1. **azure functions core tools**: to create and manage azure functions locally. you can install it via npm:
2. **python**: ensure python 3.6 or higher is installed. you can check your python version with:
3. **azure account**: you can create a free account on [azure](https://azure.com).
step 1: create a new azure functions project
1. open your terminal or command prompt.
2. create a new directory for your project:
3. initialize a new azure functions project:
step 2: install durable functions extension
1. navigate to your function app directory:
2. install the durable functions extension:
step 3: create a durable function
1. create a new durable function by running:
2. create an activity function:
step 4: write the code
open the `orchestratorfunction/__init__.py` file and modify it as follows:
next, open the `activityfunction/__init__.py` file and modify it as follows:
step 5: configure `function.json`
ensure that the `function.json` files for both functions are correctly set up.
for `orchestratorfunction/function.json`:
for `activityfunction/function.json`:
step 6: run your functions locally
1. start the azure functions runtime:
2. you will see a url for your http starter function in the terminal. this url is typically `/api/orchestratorfunction`.
step 7: trigger the orchestrator function
1. in another terminal, you can use `curl` or postman to trigger the function:
step 8: test your function
you should receive a response like:
...
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