diff options
Diffstat (limited to 'engine/SCons/Node/Python.py')
| -rw-r--r-- | engine/SCons/Node/Python.py | 42 |
1 files changed, 39 insertions, 3 deletions
diff --git a/engine/SCons/Node/Python.py b/engine/SCons/Node/Python.py index 99773ab..b247ff6 100644 --- a/engine/SCons/Node/Python.py +++ b/engine/SCons/Node/Python.py @@ -27,20 +27,54 @@ Python nodes. # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # -__revision__ = "src/engine/SCons/Node/Python.py rel_2.3.5:3347:d31d5a4e74b6 2015/07/31 14:36:10 bdbaddog" +__revision__ = "src/engine/SCons/Node/Python.py rel_2.4.0:3365:9259ea1c13d7 2015/09/21 14:03:43 bdbaddog" import SCons.Node class ValueNodeInfo(SCons.Node.NodeInfoBase): - current_version_id = 1 + __slots__ = ('csig',) + current_version_id = 2 field_list = ['csig'] def str_to_node(self, s): return Value(s) + def __getstate__(self): + """ + Return all fields that shall be pickled. Walk the slots in the class + hierarchy and add those to the state dictionary. If a '__dict__' slot is + available, copy all entries to the dictionary. Also include the version + id, which is fixed for all instances of a class. + """ + state = getattr(self, '__dict__', {}).copy() + for obj in type(self).mro(): + for name in getattr(obj,'__slots__',()): + if hasattr(self, name): + state[name] = getattr(self, name) + + state['_version_id'] = self.current_version_id + try: + del state['__weakref__'] + except KeyError: + pass + + return state + + def __setstate__(self, state): + """ + Restore the attributes from a pickled state. + """ + # TODO check or discard version + del state['_version_id'] + for key, value in state.items(): + if key not in ('__weakref__',): + setattr(self, key, value) + + class ValueBuildInfo(SCons.Node.BuildInfoBase): - current_version_id = 1 + __slots__ = () + current_version_id = 2 class Value(SCons.Node.Node): """A class for Python variables, typically passed on the command line @@ -53,6 +87,8 @@ class Value(SCons.Node.Node): def __init__(self, value, built_value=None): SCons.Node.Node.__init__(self) self.value = value + self.changed_since_last_build = 6 + self.store_info = 0 if built_value is not None: self.built_value = built_value |