How to draw image from raw bytes using ReportLab?

from reportlab.lib.utils import ImageReader


import io
image = ImageReader(io.BytesIO(raw_image_bytes)) 
page.drawImage(image, ...) 

Example:

def PDF_view(request):

    response = HttpResponse(content_type='application/pdf')

    ...

    page = canvas.Canvas(response, pagesize=A4)
    page.setTitle("Sample PDF")


    image = ImageReader(io.BytesIO(raw_image_bytes))# raw_image_bytes is from external source
    image.seek(0)
    page.drawImage(image, 100, 100 )

    filename = 'document.pdf'
    page.showPage()
    page.save()

    return response

https://stackoverflow.com/questions/40966401/how-to-draw-image-from-raw-bytes-using-reportlab