使用Python3 Bottle訪問上傳的文件

Question

我爲我的大學工作。我們已經學習了python的基礎知識。任務是創建一個讀取fastq文件並分析它的小程序。我認爲用瓶子創建一個基於html的用戶界面會很好。但沒有一個真正的服務器。
我的問題是：我不知道如何訪問上傳的文件。該代碼不會創建新的目錄。我也不知道在哪裏可以找到「上傳」的文件，或者服務器上的新功能如何抓取該文件並使用它。
我讀過以下網站：
http://bottlepy.org/docs/dev/tutorial.html#file-uploads
http://bottlepy.org/docs/dev/api.html#bottle.FileUpload.file How do I access an uploaded file with Bottle?
Bottle file upload and process 等。

此外，當我嘗試上傳文件時，錯誤令我感到困擾，錯誤是，文件已存在。有類UploadFile與功能save，它有一個覆蓋的選項，但我不知道如何實現它。

bottle_test.py：

from bottle import route, run, template, static_file, request, response, url, default_app, get, post, FileUpload 
import bottle 
import os 
# Aufrufen der Hauptseite 
@route('/') 
def index(): 
return template('main_template') 
# Einbinden unterschiedlicher Dateien z.B. Bilder oder CSS-Files 
@route('/static/style/<filepath:re:.*\.css>') 
def server_static(filepath): 
return static_file(filepath, root='static/style') 


@route('/static/images/<filepath:re:.*\.(jpg|png|gif|ico|svg)>') 
def img(filepath): 
    return static_file(filepath, root="static/images") 

@route('/static/sonstige-bilder/<filepath:re:.*\.(jpg|png|gif|ico|svg)>') 
def img(filepath): 
    return static_file(filepath, root='static/sonstige-bilder') 
# Formularabfrage 
@route('/repeat', method='POST') 
def do_login(): 
    username = request.forms.get('username') 
    password = request.forms.get('password') 
    if username == 'arsenij' and password == '1234': 
     return "<p>Your login information was correct.</p>" 
    else: 
     return "<p>Login failed.</p>" 

@route('/upload', method='POST') 
def do_upload(): 
category = request.forms.get('category') 
upload = request.files.get('upload') 
name, ext = os.path.splitext(upload.filename) 
if ext not in ('.fastq'): 
    return 'File extension not allowed.' 

save_path = '/tmp/(category)' 
if not os.path.exists(save_path): 
    os.makedirs(save_path) 

file_path = "{path}/{file}".format(path=save_path, file=upload.filename) 
upload.save(file_path) 
print(request.files.get('upload')) 
return 'File uploaded' 

if __name__ == '__main__': 
    bottle.debug(True) 
    bottle.run(host='0.0.0.0', port=8080, reloader=True) 

main_template.tpl

<form action="/upload" method="post" enctype="multipart/form-data"> 
Category:  <input type="text" name="category" /> 
Select a file: <input type="file" name="upload" /> 
<input type="submit" value="Start upload" /> 
</form> 

Answer 1

的documentation for FileUpload.save展示瞭如何做到這一點：

upload.save(file_path, overwrite=True)