aider/examples/hello-world-flask.md

# Aider chat started at 2023-05-12 15:23:26

_This tool will almost certainly fail to work with gpt-3.5-turbo_  
_Creating /Users/gauthier/tmp/flask/app.py_  
_Loading /Users/gauthier/tmp/flask/app.py_  
_Files not tracked in /Users/gauthier/tmp/flask/.git:_  
_- app.py_  
_Add them? yes_  
_Added app.py to the git repo_  
_Committed new files with message: Initial commit: Added new files to the git repo: app.py_  

---
#### >  make a flask app with a /hello endpoint that returns hello world  

Ok, here are the changes:

```python
app.py
<<<<<<< ORIGINAL
=======
from flask import Flask

app = Flask(__name__)

@app.route('/hello')
def hello():
    return 'Hello, World!'
>>>>>>> UPDATED
```

This code creates a Flask app and adds a `/hello` endpoint that returns "Hello, World!" when accessed.

_Applied edit to app.py_  
_d8dab4e aider: Added a /hello endpoint that returns "Hello, World!" when accessed._  

---
#### >  add an endpoint like /add/3/5 which returns the sum of the 2 numbers  

Ok, here are the changes:

```python
app.py
<<<<<<< ORIGINAL
=======
from flask import Flask

app = Flask(__name__)

@app.route('/hello')
def hello():
    return 'Hello, World!'

@app.route('/add/<int:a>/<int:b>')
def add(a, b):
    return str(a + b)
>>>>>>> UPDATED
```

This code adds a new endpoint `/add/<int:a>/<int:b>` that takes two integers as parameters and returns their sum. For example, `/add/3/5` would return `8`.

_Applied edit to app.py_  
_f37fd71 aider: Added an endpoint `/add/<int:a>/<int:b>` that takes two integers as parameters and returns their sum._  

---
#### >  add /fibonacci/X  

Sure, here are the changes:

```python
app.py
<<<<<<< ORIGINAL
=======
from flask import Flask

app = Flask(__name__)

@app.route('/hello')
def hello():
    return 'Hello, World!'

@app.route('/add/<int:a>/<int:b>')
def add(a, b):
    return str(a + b)

@app.route('/fibonacci/<int:n>')
def fibonacci(n):
    if n <= 0:
        return "Invalid input"
    elif n == 1:
        return "0"
    elif n == 2:
        return "0, 1"
    else:
        fib = [0, 1]
        for i in range(2, n):
            fib.append(fib[i-1] + fib[i-2])
        return ', '.join(str(x) for x in fib)
>>>>>>> UPDATED
```

This code adds a new endpoint `/fibonacci/<int:n>` that takes an integer `n` as a parameter and returns the first `n` numbers in the Fibonacci sequence. For example, `/fibonacci/5` would return `0, 1, 1, 2, 3`. If `n` is less than or equal to 0, the function returns "Invalid input".

_Applied edit to app.py_  
_9931c16 aider: Added endpoint `/fibonacci/<int:n>` that returns the first `n` numbers in the Fibonacci sequence._  

---
#### >  remove the hello endpoint  

Ok, here are the changes:

```python
app.py
<<<<<<< ORIGINAL
from flask import Flask

app = Flask(__name__)

@app.route('/hello')
def hello():
    return 'Hello, World!'

@app.route('/add/<int:a>/<int:b>')
def add(a, b):
    return str(a + b)

@app.route('/fibonacci/<int:n>')
def fibonacci(n):
    if n <= 0:
        return "Invalid input"
    elif n == 1:
        return "0"
    elif n == 2:
        return "0, 1"
    else:
        fib = [0, 1]
        for i in range(2, n):
            fib.append(fib[i-1] + fib[i-2])
        return ', '.join(str(x) for x in fib)
=======
from flask import Flask

app = Flask(__name__)

@app.route('/add/<int:a>/<int:b>')
def add(a, b):
    return str(a + b)

@app.route('/fibonacci/<int:n>')
def fibonacci(n):
    if n <= 0:
        return "Invalid input"
    elif n == 1:
        return "0"
    elif n == 2:
        return "0, 1"
    else:
        fib = [0, 1]
        for i in range(2, n):
            fib.append(fib[i-1] + fib[i-2])
        return ', '.join(str(x) for x in fib)
>>>>>>> UPDATED
```

This code removes the `/hello` endpoint from the Flask app.

_Applied edit to app.py_  
_f7f6037 aider: Removed the `/hello` endpoint from the Flask app._