On 2017-01-13, Paul A. Rubin wrote: > On 01/13/2017 03:27 AM, Guenter Milde wrote: >> A more general question to all developers:
>> When checking for default viewer/editor applications during (re)configure, >> should LyX >> a) prefer feature rich applications, or >> b) prefer small and fast-starting applications. ... > [...] what I would prefer is that my system default choices be used > (which circles back to the xdg-open problem). Can a Python script > "easily" obtain MIME settings from the environment? The hard part is to get it in a way everyone is satisfied with. > Assuming that the xdg-utils package is installed, the shell command > 'xdg-mime query default application/pdf' will return the default > application (if one is set) for PDF files. On my system, the return > value is 'xreader.desktop'. Unfortunately, for 'text/plain' the result > is the somewhat less easily interpreted 'userapp-xed-07V7SY.desktop' > (where xed is the correct answer -- no idea why it's so unclear). Here, I get "wine-extension-txt.desktop" (although better alternatives like leafpad are installed), which is not what I want. > For 'image/jpeg' and 'image/png' the default is 'xviewer.desktop'. When > no default is set (as is the case for 'image/svg' on my system), the > xdg-mime query returns nothing. IMV, using xdg-mime query seems the right way but not easy. Maybe you can open an enhancement ticket. Günter
