How do I automatically download files from a pop up dialog using selenium-python

Question

I am trying to automatically download files from a pop up dialog using selenium-python.

The firefox popups look like this

Answer 1

FirefoxProfile fxProfile = new FirefoxProfile();
 fxProfile.SetPreference("browser.download.panel.shown", false);
 fxProfile.SetPreference("browser.helperApps.neverAsk.openFile", "text/csv,application/vnd.ms-excel");
 fxProfile.SetPreference("browser.helperApps.neverAsk.saveToDisk", "text/csv,application/vnd.ms-excel");
 fxProfile.SetPreference("browser.download.folderList", 2); 
 fxProfile.SetPreference("browser.download.dir", "c:\\mydownloads");
 IwebDriver driver = new FirefoxDriver(fxProfile);