pym/_emerge/Task.py

   1 # Copyright 1999-2013 Gentoo Foundation
   2 # Distributed under the terms of the GNU General Public License v2
   3
   4 from portage.util.SlotObject import SlotObject
   5
   6 class Task(SlotObject):
   7         __slots__ = ("_hash_key", "_hash_value")
   8
   9         def __eq__(self, other):
  10                 try:
  11                         return self._hash_key == other._hash_key
  12                 except AttributeError:
  13                         # depgraph._pkg() generates _hash_key
  14                         # for lookups here, so handle that
  15                         return self._hash_key == other
  16
  17         def __ne__(self, other):
  18                 try:
  19                         return self._hash_key != other._hash_key
  20                 except AttributeError:
  21                         return True
  22
  23         def __hash__(self):
  24                 return self._hash_value
  25
  26         def __len__(self):
  27                 return len(self._hash_key)
  28
  29         def __getitem__(self, key):
  30                 return self._hash_key[key]
  31
  32         def __iter__(self):
  33                 return iter(self._hash_key)
  34
  35         def __contains__(self, key):
  36                 return key in self._hash_key
  37
  38         def __str__(self):
  39                 """
  40                 Emulate tuple.__repr__, but don't show 'foo' as u'foo' for unicode
  41                 strings.
  42                 """
  43                 return "(%s)" % ", ".join(("'%s'" % x for x in self._hash_key))
  44
  45         def __repr__(self):
  46                 if self._hash_key is None:
  47                         # triggered by python-trace
  48                         return SlotObject.__repr__(self)
  49                 return "<%s (%s)>" % (self.__class__.__name__,
  50                         ", ".join(("'%s'" % x for x in self._hash_key)))