FlaskでCSVリーダーを作成する - Qiita

import os import csv from flask import Flask, render_template, request, redirect, url_for, send_from_directory, session from werkzeug.utils import secure_filename app = Flask(__name__) UPLOAD_FOLDER = './uploads' ALLOWED_EXTENSIONS = set(['csv']) app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER app.config['SECRET_KEY'] = os.urandom(24) def allowed_file(filename): return '.' in filename and \ filename.r