pym/_emerge/is_valid_package_atom.py

   1 # Copyright 1999-2013 Gentoo Foundation
   2 # Distributed under the terms of the GNU General Public License v2
   3
   4 import re
   5 from portage.dep import isvalidatom
   6
   7 def insert_category_into_atom(atom, category):
   8         # Handle '*' character for "extended syntax" wildcard support.
   9         alphanum = re.search(r'[\*\w]', atom, re.UNICODE)
  10         if alphanum:
  11                 ret = atom[:alphanum.start()] + "%s/" % category + \
  12                         atom[alphanum.start():]
  13         else:
  14                 ret = None
  15         return ret
  16
  17 def is_valid_package_atom(x, allow_repo=False):
  18         if "/" not in x.split(":")[0]:
  19                 x2 = insert_category_into_atom(x, 'cat')
  20                 if x2 != None:
  21                         x = x2
  22         return isvalidatom(x, allow_blockers=False, allow_repo=allow_repo)