Aws cognito forgot password python call strange behavior

When working with AWS Cognito in Python, you may come across strange behavior when making a forgot password call. This article will explore different ways to solve this issue and provide sample code for each solution.

Solution 1: Using the AWS SDK

The first solution involves using the AWS SDK for Python (Boto3) to make the forgot password call. Boto3 provides a high-level API for interacting with AWS services, including Cognito. Here’s an example of how you can use Boto3 to make the forgot password call:


import boto3

def forgot_password(username):
    client = boto3.client('cognito-idp')
    response = client.forgot_password(
        ClientId='YOUR_CLIENT_ID',
        Username=username
    )
    return response

In this solution, we create a client object for Cognito using the `boto3.client` method. We then call the `forgot_password` method on the client object, passing in the client ID and the username. The method returns a response object that contains information about the forgot password request.

Solution 2: Making a POST Request

If you prefer not to use the AWS SDK, you can make a POST request directly to the Cognito API. Here’s an example of how you can do this using the `requests` library:


import requests

def forgot_password(username):
    url = 'https://cognito-idp.us-east-1.amazonaws.com'
    headers = {'Content-Type': 'application/x-amz-json-1.1'}
    data = {
        'ClientId': 'YOUR_CLIENT_ID',
        'Username': username
    }
    response = requests.post(url, headers=headers, json=data)
    return response.json()

In this solution, we define the URL for the Cognito API and set the necessary headers. We then create a data dictionary with the client ID and the username. We make a POST request to the API using the `requests.post` method, passing in the URL, headers, and data. The response is returned as a JSON object.

Solution 3: Using the AWS CLI

If you have the AWS CLI installed, you can also use it to make the forgot password call. Here’s an example of how you can do this:


import subprocess

def forgot_password(username):
    command = f'aws cognito-idp forgot-password --client-id YOUR_CLIENT_ID --username {username}'
    response = subprocess.run(command, shell=True, capture_output=True, text=True)
    return response.stdout

In this solution, we use the `subprocess` module to run the AWS CLI command. We construct the command string with the necessary parameters and options. The `subprocess.run` method is used to execute the command, capturing the output as a string.

After exploring these three solutions, it is clear that Solution 1, using the AWS SDK, is the better option. It provides a higher-level API and handles the underlying HTTP requests for you. This makes the code more readable and easier to maintain. Additionally, using the AWS SDK ensures compatibility with future updates to the Cognito API.

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