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Python如何使用Flask模块将文件上载到webservice?_Python_Web Services_Post_File Upload_Flask - Fatal编程技术网

Python如何使用Flask模块将文件上载到webservice?

Python如何使用Flask模块将文件上载到webservice?,python,web-services,post,file-upload,flask,Python,Web Services,Post,File Upload,Flask,。下面是我的代码片段。我可以看到def upload_file:获取了正确的文件名并允许它通过,但是,实际保存文件的行没有被执行,我收到了内部服务器错误500响应。问题似乎在于在磁盘上实际存储文件 我还需要做什么来设置我的web服务以使用Flask保存收到的文件 更新-下面的代码现在可以工作了 运行Web服务器的用户是否具有写入UPLOAD_文件夹的权限?我正在本地计算机上使用python webservice.py运行该脚本。/audio文件夹不存在。我需要创建它还是使用提升的权限运行脚本su

。下面是我的代码片段。我可以看到def upload_file:获取了正确的文件名并允许它通过,但是,实际保存文件的行没有被执行,我收到了内部服务器错误500响应。问题似乎在于在磁盘上实际存储文件

我还需要做什么来设置我的web服务以使用Flask保存收到的文件

更新-下面的代码现在可以工作了


运行Web服务器的用户是否具有写入UPLOAD_文件夹的权限?我正在本地计算机上使用python webservice.py运行该脚本。/audio文件夹不存在。我需要创建它还是使用提升的权限运行脚本sudo?我尝试创建音频文件夹并运行sudo python webservice.py,得到相同的结果-没有保存任何文件。用户拥有该文件夹的写入权限。我已经弄明白了-在Mac上,我必须使用./audio进行音频上传路径
from flask import Flask
from flask import Response, jsonify, request, redirect, url_for

#persistent storage in dictionary
import shelve

#printing ip of host
import socket

#file uploading
import os
from werkzeug.utils import secure_filename

#serving files that were uploaded
from flask import send_from_directory

#mac-specific relative path to the script's location
UPLOAD_FOLDER = './audio'
ALLOWED_EXTENSIONS = set(['txt', 'm4a', 'mp4'])


#configuration
app = Flask(__name__)
app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER


def allowed_file(filename):
    return '.' in filename and \
        filename.rsplit('.', 1)[1] in ALLOWED_EXTENSIONS

@app.route('/', methods=['GET', 'POST'])
def upload_file():
    print 'upload file'
    try:
        os.stat(app.config['UPLOAD_FOLDER'])
    except:
        os.mkdir(app.config['UPLOAD_FOLDER'])
    if request.method == 'POST':
        file = request.files['file']
        print 'filename: ' + file.filename

        if file and allowed_file(file.filename):
            print 'allowing file'
            filename = secure_filename(file.filename)
            file.save(os.path.join(app.config['UPLOAD_FOLDER'], filename))
            return redirect(url_for('uploaded_file',filename=filename))
    return '''
        <!doctype html>
        <title>Upload new File</title>
        <h1>Upload new File</h1>
        <form action="" method=post enctype=multipart/form-data>
        <p><input type=file name=file>
        <input type=submit value=Upload>
        </form>
        '''

@app.route('/uploads/<filename>')
def uploaded_file(filename):
    return send_from_directory(app.config['UPLOAD_FOLDER'],
                               filename)


if __name__ == '__main__':

    print(socket.gethostbyname(socket.gethostname()))
    app.run(host='0.0.0.0')