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Photo upload and manage with Flask and Flask-Uploads (Multiple file upload support!).
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| # -*- coding: utf-8 -*- | |
| import os | |
| import uuid | |
| from flask import Flask, render_template, redirect, url_for, request | |
| from flask_uploads import UploadSet, configure_uploads, IMAGES, patch_request_class | |
| from flask_wtf import FlaskForm | |
| from flask_wtf.file import FileField, FileRequired, FileAllowed | |
| from wtforms import SubmitField | |
| basedir = os.path.abspath(os.path.dirname(__file__)) | |
| app = Flask(__name__) | |
| app.config['SECRET_KEY'] = 'I have a dream' | |
| app.config['UPLOADED_PHOTOS_DEST'] = os.path.join(basedir, 'uploads') # you'll need to create a folder named uploads | |
| photos = UploadSet('photos', IMAGES) | |
| configure_uploads(app, photos) | |
| patch_request_class(app) # set maximum file size, default is 16MB | |
| class UploadForm(FlaskForm): | |
| photo = FileField(validators=[FileAllowed(photos, 'Image Only!'), FileRequired('Choose a file!')]) | |
| submit = SubmitField('Upload') | |
| @app.route('/', methods=['GET', 'POST']) | |
| def upload_file(): | |
| form = UploadForm() | |
| if form.validate_on_submit(): | |
| for f in request.files.getlist('photo'): | |
| filename = uuid.uuid4().hex | |
| photos.save(f, name=filename + '.') | |
| success = True | |
| else: | |
| success = False | |
| return render_template('index.html', form=form, success=success) | |
| @app.route('/manage') | |
| def manage_file(): | |
| files_list = os.listdir(app.config['UPLOADED_PHOTOS_DEST']) | |
| return render_template('manage.html', files_list=files_list) | |
| @app.route('/open/<filename>') | |
| def open_file(filename): | |
| file_url = photos.url(filename) | |
| return render_template('browser.html', file_url=file_url) | |
| @app.route('/delete/<filename>') | |
| def delete_file(filename): | |
| file_path = photos.path(filename) | |
| os.remove(file_path) | |
| return redirect(url_for('manage_file')) | |
| if __name__ == '__main__': | |
| app.run(debug=True) |
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| <!DOCTYPE html> | |
| <title>File Browser</title> | |
| <h1>File Browser</h1> | |
| <a href="{{ url_for('upload_file') }}">Upload</a> / | |
| <a href="{{ url_for('manage_file') }}">Manage</a> | |
| <hr> | |
| <p>URL: {{ file_url }}</p> | |
| <img src="{{ file_url }}"> |
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| <!DOCTYPE html> | |
| <title>Upload File</title> | |
| <h1>Upload File</h1> | |
| <a href="{{ url_for('upload_file') }}">Upload</a> / | |
| <a href="{{ url_for('manage_file') }}">Manage</a> | |
| <hr> | |
| <form method="POST" enctype="multipart/form-data"> | |
| {{ form.hidden_tag() }} | |
| {{ form.photo(multiple="multiple")}} | |
| {% for error in form.photo.errors %} | |
| <span style="color: red;">{{ error }}</span> | |
| {% endfor %} | |
| {{ form.submit }} | |
| </form> | |
| {% if success %} | |
| <br> | |
| <p>Upload Success!</p> | |
| {% endif %} |
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| <!DOCTYPE html> | |
| <title>File Manager</title> | |
| <h1>File Manager</h1> | |
| <a href="{{ url_for('upload_file') }}">Upload</a> / | |
| <a href="{{ url_for('manage_file') }}">Manage</a> | |
| <hr> | |
| {% for photo in files_list %} | |
| - {{ photo }} | |
| <a href="{{ url_for('open_file', filename=photo) }}">open</a> | |
| <a href="{{ url_for('delete_file', filename=photo) }}">del</a><br> | |
| {% endfor %} |
Very useful, thanks!
For those who are struggling with 'ImportError: cannot import name 'secure_filename', just install Flask-Reuploaded and the error message will be gone.
https://pypi.org/project/Flask-Reuploaded/
It will introduce other errors to this project from what I tested.
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Help me a lot，thanks！