Content-Type in for individual files in python requests

Question

I want to request to my server running in python flask with file and some meta information. Hence my request content-Type will be ‘multipart/form-data. Is there a way i can set the content type of file like image/jpg, image/gif etc…
How do i set the content-type for the file. Is it possible or not

Asked By: kishore

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Source

Answer 1

If you make each file specification a tuple, you can specify the mime type as a third parameter:

files = {
    'file1': ('foo.gif', open('foo.gif', 'rb'), 'image/gif'),
    'file2': ('bar.png', open('bar.png', 'rb'), 'image/png'),
}
response = requests.post(url, files=files)

You can give a 4th parameter as well, which must be a dictionary with additional headers for each part.

See the Requests API documentation:

file-tuple can be a 2-tuple ('filename', fileobj), 3-tuple ('filename', fileobj, 'content_type') or a 4-tuple ('filename', fileobj, 'content_type', custom_headers), where 'content-type' is a string defining the content type of the given file and custom_headers a dict-like object containing additional headers to add for the file.

Answered By: Martijn Pieters

Answer 2

reference

    import requests

    url = "http://png_upload_example/upload"
    # files = [(<key>, (<filename>, open(<file location>, 'rb'), <content type>))]
    files = [('upload', ('thumbnail.png', open('thumbnail.png', 'rb'), 'image/png'))]

    response = requests.request("POST", url, files = files)

Answered By: Ben

Content-Type in for individual files in python requests

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