Excel export with Flask server and xlsxwriter

Question

So I\'ve been using XLSXWriter in the past to export an excel file containing one tab filled with two pandas dataframes. In the past I\'ve only been exporting the file to a loca

Answer 1

you can use something similar to this:

from flask import Flask, send_file
import io

myio = io.StringIO()

with open(xlsx_path, 'rb') as f:
    data = f.read()

myio.write(data)
myio.seek(0)

app = Flask(__name__)

@app.route('/')
def index():
    send_file(myio,
              attachment_filename="test.xlsx",
              as_attachment=True)

app.run(debug=True)

you may also want to write your excel file using tempfile