linpy/tests/libhelper.py

   1 # Copyright 2014 MINES ParisTech
   2 #
   3 # This file is part of LinPy.
   4 #
   5 # LinPy is free software: you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation, either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # LinPy is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with LinPy.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 import functools
  19 import unittest
  20
  21 try:
  22
  23     import sympy
  24
  25     def requires_sympy(func):
  26         @functools.wraps(func)
  27         def wrapper(self):
  28             return func(self)
  29         return wrapper
  30
  31 except ImportError:
  32
  33     def requires_sympy(func):
  34         @functools.wraps(func)
  35         def wrapper(self):
  36             raise unittest.SkipTest('SymPy is not available')
  37         return wrapper