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A Flask based upload server, helps for example transfering files from mobile phone to PC
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| import os | |
| import socket | |
| from flask import Flask, render_template_string, request | |
| from werkzeug.utils import secure_filename | |
| app = Flask(__name__) | |
| app.config["UPLOAD_FOLDER"] = "." | |
| PAGE = """ | |
| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta http-equiv="X-UA-Compatible" content="IE=edge"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <script src="https://unpkg.com/dropzone@5/dist/min/dropzone.min.js"></script> | |
| <link rel="stylesheet" href="https://unpkg.com/dropzone@5/dist/min/dropzone.min.css" type="text/css" /> | |
| <title>Document</title> | |
| </head> | |
| <style> | |
| body { | |
| text-align: center; | |
| background-color: #B0BEC5; | |
| font-family: sans-serif; | |
| } | |
| h1 { | |
| color: #263238; | |
| } | |
| .dropzone { | |
| text-align: center; | |
| padding: 20px; | |
| border: 3px dashed #eeeeee; | |
| background-color: #fafafa50; | |
| border-radius: 1em; | |
| color: #bdbdbd; | |
| margin: 1em; | |
| min-height: 40em; | |
| } | |
| .dropzone .dz-preview.dz-image-preview { | |
| background: none !important; | |
| } | |
| .dz-button { | |
| font-size: 2em !important; | |
| color: #263238 !important; | |
| } | |
| .accept { | |
| border-color: #107c10 !important; | |
| } | |
| .reject { | |
| border-color: #d83b01 !important; | |
| } | |
| </style> | |
| <body> | |
| <h1>Upload server</h1> | |
| <h2>{{ host }}:{{ request.environ["SERVER_PORT"]}}</h2> | |
| <form action="/upload" class="dropzone" id="flask-dropzone"></form> | |
| <script> | |
| Dropzone.options.flaskDropzone = { | |
| }; | |
| </script> | |
| </body> | |
| </html> | |
| """ | |
| def get_ip(): | |
| """get local IP address""" | |
| s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) | |
| s.settimeout(0) | |
| try: | |
| s.connect(("10.255.255.255", 1)) | |
| IP = s.getsockname()[0] | |
| except Exception: | |
| IP = "127.0.0.1" | |
| finally: | |
| s.close() | |
| return IP | |
| @app.route("/") | |
| def upload_file(): | |
| host = get_ip() | |
| return render_template_string(PAGE, host=host) | |
| @app.route("/upload", methods=["POST"]) | |
| def upload(): | |
| if request.method == "POST": | |
| f = request.files["file"] | |
| filename = secure_filename(f.filename) | |
| f.save(os.path.join(app.config["UPLOAD_FOLDER"], filename)) | |
| print(os.path.join(app.config["UPLOAD_FOLDER"], filename)) | |
| return render_template_string("OK") | |
| if __name__ == "__main__": | |
| app.run(host="0.0.0.0", port=5000, debug=True) |
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