alanorth/csv-metadata-quality-web
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Add simple HTML template with file upload

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Code taken from the following blog posts:
  - https://pythonbasics.org/flask-upload-file
  - https://blog.miguelgrinberg.com/post/handling-file-uploads-with-flask
This commit is contained in:
Alan Orth 2021-03-11 15:55:58 +02:00
parent 482cd25182
commit 81b5206e97
Signed by: alanorth
GPG Key ID: 0FB860CC9C45B1B9
2 changed files with 41 additions and 2 deletions
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30
main.py
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@ -1,13 +1,39 @@
from flask import Flask import os
from flask import Flask, abort, redirect, render_template, request, url_for
from werkzeug.utils import secure_filename
app = Flask(__name__) app = Flask(__name__)
app.config["MAX_CONTENT_LENGTH"] = 1024 * 1024
app.config["UPLOAD_EXTENSIONS"] = [".csv"]
app.config["UPLOAD_PATH"] = "uploads"
@app.route("/") @app.route("/")
def index(): def index():
return render_template("index.html")
@app.route("/", methods=["POST"])
def upload_file():
uploaded_file = request.files["file"]
filename = secure_filename(uploaded_file.filename)
if filename != "":
file_ext = os.path.splitext(filename)[1]
if file_ext not in app.config["UPLOAD_EXTENSIONS"]:
abort(400)
# make sure the upload directory exists
try:
os.mkdir(app.config["UPLOAD_PATH"])
except FileExistsError:
pass
uploaded_file.save(os.path.join(app.config["UPLOAD_PATH"], filename))
return redirect(url_for("index"))
return "Congratulations, it's a web app!"
if __name__ == "__main__": if __name__ == "__main__":
app.run(host="127.0.0.1", port=8080, debug=True) app.run(host="127.0.0.1", port=8080, debug=True)

13
templates/index.html Normal file
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<!doctype html>
<html>
<head>
<title>CSV Metadata Quality Web</title>
</head>
<body>
<h1>File Upload</h1>
<form method="POST" action="" enctype="multipart/form-data">
<p><input type="file" name="file" accept=".csv"></p>
<p><input type="submit" value="Submit"></p>
</form>
</body>
</html>