ByteScout Cloud API Server – PDF To JSON API – Python – Convert PDF To JSON From Uploaded File

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ByteScout Cloud API Server – PDF To JSON API – Python – Convert PDF To JSON From Uploaded File

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ByteScout-Cloud-API-Server-Python-Convert-PDF-To-JSON-From-Uploaded-File.pdf

How to convert PDF to JSON from uploaded file for PDF to JSON API in Python with ByteScout Cloud API Server

Learn to write code convert PDF to JSON from uploaded file for PDF to JSON API in Python: Simple How To Tutorial

On this page, you will find sample source codes which show you how to handle a complex task, such as, PDF to JSON API in Python. ByteScout Cloud API Server was designed to assist PDF to JSON API in Python. ByteScout Cloud API Server is API server that is ready to use and can be installed and deployed in less than 30 minutes on your own Windows server or server in a cloud. It can save data and files on your local server-based file storage or in Amazon AWS S3 storage. Data is processed solely on the API server and is powered by ByteScout engine, no cloud services or Internet connection is required for data processing..

Want to learn quickly? These fast application programming interfaces of ByteScout Cloud API Server for Python plus the instruction and the code below will help to learn how to convert PDF to JSON from uploaded file. Open your Python project and simply copy & paste the code and then run your app! This basic programming language sample code for Python will do the whole work for you in implementing PDF to JSON API in your app.

ByteScout Cloud API Server – free trial version is available on our website. Also, there are other code samples to help you with your Python application included into trial version.

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ConvertPdfToJSONFromUploadedFile.py

      import os
import requests # pip install requests

# Please NOTE: In this sample we're assuming Cloud Api Server is hosted at "https://localhost". 
# If it's not then please replace this with with your hosting url.

# Base URL for PDF.co Web API requests
BASE_URL = "https://localhost"

# Source PDF file
SourceFile = ".\\sample.pdf"
# Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'.
Pages = ""
# PDF document password. Leave empty for unprotected documents.
Password = ""
# Destination JSON file name
DestinationFile = ".\\result.json"


def main(args = None):
    uploadedFileUrl = uploadFile(SourceFile)
    if (uploadedFileUrl != None):
        convertPdfToJson(uploadedFileUrl, DestinationFile)


def convertPdfToJson(uploadedFileUrl, destinationFile):
    """Converts PDF To Json using PDF.co Web API"""

    # Prepare URL for 'PDF To Json' API request
    url = "{}/pdf/convert/to/json?name={}&password={}&pages={}&url={}".format(
        BASE_URL,
        os.path.basename(destinationFile),
        Password,
        Pages,
        uploadedFileUrl
    )

    # Execute request and get response as JSON
    response = requests.get(url, headers={  "content-type": "application/octet-stream" })
    if (response.status_code == 200):
        json = response.json()

        if json["error"] == False:
            #  Get URL of result file
            resultFileUrl = json["url"]            
            # Download result file
            r = requests.get(resultFileUrl, stream=True)
            if (r.status_code == 200):
                with open(destinationFile, 'wb') as file:
                    for chunk in r:
                        file.write(chunk)
                print(f"Result file saved as \"{destinationFile}\" file.")
            else:
                print(f"Request error: {response.status_code} {response.reason}")
        else:
            # Show service reported error
            print(json["message"])
    else:
        print(f"Request error: {response.status_code} {response.reason}")


def uploadFile(fileName):
    """Uploads file to the cloud"""
    
    # 1. RETRIEVE PRESIGNED URL TO UPLOAD FILE.

    # Prepare URL for 'Get Presigned URL' API request
    url = "{}/file/upload/get-presigned-url?contenttype=application/octet-stream&name={}".format(
        BASE_URL, os.path.basename(fileName))
    
    # Execute request and get response as JSON
    response = requests.get(url)
    if (response.status_code == 200):
        json = response.json()
        
        if json["error"] == False:
            # URL to use for file upload
            uploadUrl = json["presignedUrl"]
            # URL for future reference
            uploadedFileUrl = json["url"]

            # 2. UPLOAD FILE TO CLOUD.
            with open(fileName, 'rb') as file:
                requests.put(uploadUrl, data=file, headers={  "content-type": "application/octet-stream" })

            return uploadedFileUrl
        else:
            # Show service reported error
            print(json["message"])    
    else:
        print(f"Request error: {response.status_code} {response.reason}")

    return None


if __name__ == '__main__':
    main()