我好像有问题。我想写一些代码,当管理员用户单击按钮时,可以转储mysql数据库。我试着在我的视图.py下面。在
视图.py
@login_required
def dbbackup(request):
if not (request.user.is_authenticated() and request.user.is_staff):
raise http.Http404
os.chdir('/usr/local/src/djcode/c2duo_mms') # This is important as apache by default goes to the user's home directory.
os.popen3("mysqldump --add-drop-table -u " + settings.DATABASE_USER + " -p" + settings.DATABASE_PASSWORD + " " + settings.DATABASE_NAME + " > backup.sql")
os.popen3("gzip -c backup.sql > backup.gz")
如果我在末尾添加returnhttpresponse,现在会给我一个错误The view c2duo_mms.mmc.views.dbbackup didn't return an HttpResponse object.
。它将显示unbound method has_header() must be called with HttpResponse instance as first argument (got str instance instead)
。在
我不太确定是什么问题。但我不能想出解决办法。我现在有点卡住了。在
您需要从方法的末尾返回一个有效的
HttpResponse
对象。例如,如果要返回gzip文件:这将启动gzip文件的下载。在
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