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121 lines
3.2 KiB
Markdown
121 lines
3.2 KiB
Markdown
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# Create a simple flask app with aider & gpt-4
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In this chat transcript, the user asks to make a simple flask app with various endpoints.
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## Chat transcript
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> $ aider app.py
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> Creating empty file app.py
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> Added app.py to the chat
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#### make a flask app with a /hello endpoint that returns hello world
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To create a Flask app with a `/hello` endpoint that returns "Hello, World!", we need to install Flask, import it, create an app instance, and define a route for the `/hello` endpoint. Here's how to update the `app.py` file:
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```python
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app.py
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<<<<<<< ORIGINAL
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=======
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from flask import Flask
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app = Flask(__name__)
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@app.route('/hello')
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def hello():
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return "Hello, World!"
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if __name__ == '__main__':
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app.run()
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>>>>>>> UPDATED
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```
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Make sure to install Flask in your project environment using `pip install flask` before running the app.
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> Applied edit to app.py
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> Commit 414c394 aider: Added a `/hello` endpoint that returns "Hello, World!" to the Flask app.
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#### add an endpoint like /add/3/5 which returns the sum of the 2 numbers
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To add an endpoint like `/add/3/5` that returns the sum of the two numbers, you can create a new route with two URL parameters. Update the `app.py` file as follows:
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```python
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app.py
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<<<<<<< ORIGINAL
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@app.route('/hello')
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def hello():
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return "Hello, World!"
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=======
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@app.route('/add/<int:num1>/<int:num2>')
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def add(num1, num2):
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return str(num1 + num2)
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@app.route('/hello')
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def hello():
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return "Hello, World!"
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>>>>>>> UPDATED
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```
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Now, when you visit `/add/3/5`, it will return the sum of the two numbers, which is `8`.
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> Applied edit to app.py
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> Commit 0872c51 aider: Added an endpoint `/add/<int:num1>/<int:num2>` that returns the sum of the two numbers.
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#### add /fibonacci/X
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To add a `/fibonacci/X` endpoint that returns the Xth number in the Fibonacci sequence, you can create a new route with a URL parameter for X and a function to calculate the Fibonacci number. Update the `app.py` file as follows:
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```python
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app.py
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<<<<<<< ORIGINAL
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@app.route('/hello')
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def hello():
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return "Hello, World!"
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=======
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def fibonacci(n):
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if n <= 0:
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return "Invalid input. Please enter a positive integer."
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elif n == 1:
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return 0
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elif n == 2:
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return 1
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else:
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a, b = 0, 1
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for _ in range(n - 2):
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a, b = b, a + b
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return b
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@app.route('/fibonacci/<int:x>')
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def fibonacci_x(x):
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return str(fibonacci(x))
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@app.route('/hello')
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def hello():
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return "Hello, World!"
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>>>>>>> UPDATED
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```
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Now, when you visit `/fibonacci/X`, it will return the Xth number in the Fibonacci sequence. For example, `/fibonacci/5` will return `3`.
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> Applied edit to app.py
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> Commit 163fba8 aider: Added a `/fibonacci/X` endpoint that returns the Xth number in the Fibonacci sequence.
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#### remove the hello endpoint
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To remove the `/hello` endpoint, you can simply delete the corresponding route and function in the `app.py` file. Here's the update:
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```python
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app.py
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<<<<<<< ORIGINAL
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@app.route('/hello')
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def hello():
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return "Hello, World!"
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=======
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>>>>>>> UPDATED
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```
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Now, the `/hello` endpoint has been removed from the Flask app.
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> Applied edit to app.py
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> Commit eab6620 aider: Removed the `/hello` endpoint from the Flask app.
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