[PyQt] How to properly escape white spaces and weird chars in SOURCES

[Giuseppe Corbelli]

Hi all
I am in the pylupdate/translate business and am stumbling upon an 
interesting issue.

I have a
weirdchars.pro
--------------
TRANSLATIONS = it_it.ts

SOURCES = \
     white space.py
     sp&cial.py


white space.py
--------------
tr("white space")


sp&cial.py
----------
tr("sp&cial")


I cannot figure out how to escape the SOURCES filenames in order to get 
pylupdate work.
The current error is:
corbelli at corbelli-linux:~/devel/pylupdate-special$ 
/opt/python/bin/pylupdate5  -verbose weirdchars.pro
pylupdate5 error: Cannot open Python source file 
'/home/corbelli/devel/pylupdate-special/white': No such file or directory
pylupdate5 error: Cannot open Python source file 
'/home/corbelli/devel/pylupdate-special/space.py': No such file or directory

I am tracking it down to pylupdate/proparser.cpp but wanted to know if 
there's something I'm doing wrong.

Thanks
-- 
Giuseppe Corbelli