How to Validate a PNG File in Python

Invalid PNG files are a hinderance to your workflow at best, and a potential security risk at worst. Thankfully, the below API solution can be quickly & easily implemented into your Python applications to validate PNG files, ensuring they won’t cause any problems downstream. You can make your API call with just a few lines of ready-to-run Python code examples provided below, beginning by installing the Python SDK.

To complete SDK installation, run the following command:

pip install cloudmersive-convert-api-client

Next, add the imports and call the function. If your PNG files are found to be invalid, the API response will identify errors in the document and provide warnings associated with those errors.

from __future__ import print_function
import time
import cloudmersive_convert_api_client
from cloudmersive_convert_api_client.rest import ApiException
from pprint import pprint

# Configure API key authorization: Apikey
configuration = cloudmersive_convert_api_client.Configuration()
configuration.api_key['Apikey'] = 'YOUR_API_KEY'



# create an instance of the API class
api_instance = cloudmersive_convert_api_client.ValidateDocumentApi(cloudmersive_convert_api_client.ApiClient(configuration))
input_file = '/path/to/inputfile' # file | Input file to perform the operation on.

try:
    # Validate a PNG File
    api_response = api_instance.validate_document_png_validation(input_file)
    pprint(api_response)
except ApiException as e:
    print("Exception when calling ValidateDocumentApi->validate_document_png_validation: %s\n" % e)

To wrap up, include a free-tier API key in the API configuration line, and you’re all done. To get a free-tier API key, head to our website and register a free account (this gives you a limit of 800 API calls per month with zero commitments).

That’s it — all done!