Python - Send bytes Images to apis (Image to string) -> (String to image)

reveive_image_api.py

###################################################################################
#
#               Decode Image and use in your API
#
#
###################################################################################


def string_to_ndarray(image_str: str) -> np.ndarray:
    """Convert string to nd-array

    Args:
        image_str (str): Image in string format

    Returns:
        np.ndarray: Numpy array image
    """
    jpg_original = base64.b64decode(image_str)
    jpg_as_np = np.frombuffer(jpg_original, dtype=np.uint8)
    img = cv2.imdecode(jpg_as_np, flags=1)
    return img
    
image1 = string_to_ndarray(image1)
image2 = string_to_ndarray(image2)

send_image_api.py

###################################################################################
#
#                Encode image to send through API
#
#
###################################################################################
import base64 
import numpy as np
import io


def numpy_to_str(image: np.asarary) -> str:
    """Convert Numpy to string
    
    args: 
        image: (np.asarray)
        
    Return
        str: Image to string
    
    """
    image_read = image.read()
    image_64_encode = base64.b64encode(image_read)
    base64_to_str = image_64_encode.decode('utf-8')
    return base64_to_str

# Reading Image
image = open('/Users/sohaibanwar/Documents/Mzao/facematch-fastapi/image3.jpg', 'rb') #open binary file in read mode

# Converting to string
string = numpy_to_str(image)

# Making paylaod
pload = {
  "image1Base64": string,
  "image2Base64": string
}

# Sending to the api
headers = {
    "accept": "application/json",
    "Content-Type": "application/json"
}

# Dumping json
pload1 = json.dumps(pload, ensure_ascii=False, indent=4)
r = requests.get('http://localhost:7000/facematch/one-to-one-match', data=pload1, headers=headers)
print(r.text)