IPython File Upload

An IPython notebook widget to upload files, using FileReader.

Installation

Install using pip:

pip install fileupload

Install JavaScript:

jupyter nbextension install [--user] --py fileupload

Enable the extension:

jupyter nbextension enable [--user] --py fileupload

Usage

import io
from IPython.display import display
import fileupload

def _upload():

    _upload_widget = fileupload.FileUploadWidget()

    def _cb(change):
        decoded = io.StringIO(change['owner'].data.decode('utf-8'))
        filename = change['owner'].filename
        print('Uploaded `{}` ({:.2f} kB)'.format(
            filename, len(decoded.read()) / 2 **10))
        # file content stored in file_contents
        file_contents = decoded.getvalue()

    _upload_widget.observe(_cb, names='data')
    display(_upload_widget)

_upload()

Base64 data is synced to the data_base64 member, decoded data can be obtained from data. The name of the uploaded file is stored in filename.

Changelog

Refer to Changelog.