flask api post request with an image with an orm in javascript

To make a Flask API POST request with an image using an ORM in JavaScript, you can follow the steps below.

Assuming you have an ORM set up and your Flask API has an endpoint for uploading an image with POST method called upload_image, first you need to select the image that the user wants to upload.


index.tsx
const image = document.querySelector('input[type=file]').files[0];
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Then you can use FormData to create a form data object and append the image file to it.


index.tsx
const formData = new FormData();
formData.append('image', image, image.name);
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Next, you can send the POST request to the upload_image endpoint using fetch() method.


index.tsx
fetch('/upload_image', {
  method: 'POST',
  body: formData
})
.then(response => {
  // handle response from API
})
.catch(error => {
  // handle error
})
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Finally, on the Flask API side, use request.files to get the uploaded image. Save it to a location of your choice and return relevant information to the user.


main.py
from flask import Flask, request

@app.route('/upload_image', methods=['POST'])
def upload_image():
  image_file = request.files['image']
  # save image file and do other necessary actions
  return {"success": "Image uploaded successfully"}
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