mirror of
https://github.com/wassname/catalyst.git
synced 2026-07-22 12:40:30 +08:00
Delaney Granizo-Mackenzie
64eed84bff
Added pickle support to many zipline methods. This will enable them to be serialized.
51 lines
1.5 KiB
Python
51 lines
1.5 KiB
Python
class SerializeableZiplineObject(object):
|
|
"""
|
|
This class implements the basic set and get state methods used for
|
|
serialization. It also serves as a demarkation of which objects we
|
|
serialize.
|
|
"""
|
|
|
|
def __getstate__(self):
|
|
"""
|
|
Many get_state methods need this one line of code.
|
|
This method deduplicates the code calls.
|
|
"""
|
|
state_dict = \
|
|
{k: v for k, v in self.__dict__.iteritems()
|
|
if not k.startswith('_')}
|
|
return state_dict
|
|
|
|
def __setstate__(self, state):
|
|
"""
|
|
Many objects require only this code.
|
|
"""
|
|
self.__dict__.update(state)
|
|
|
|
# =====================================================
|
|
# These are helper methods for some problem data types.
|
|
# =====================================================
|
|
|
|
def _defaultdict_list_get_state(self, d):
|
|
return {
|
|
'__original.type__': 'encoded.defaultdict_list',
|
|
'as_dict': dict(d)
|
|
}
|
|
|
|
def _defaultdict_ordered_get_state(self, d):
|
|
return {
|
|
'__original.type__': 'encoded.defaultdict_ordered',
|
|
'as_dict': dict(d)
|
|
}
|
|
|
|
def _positiondict_get_state(self, d):
|
|
return {
|
|
'__original.type__': 'encoded.positiondict',
|
|
'as_dict': dict(d)
|
|
}
|
|
|
|
def _positions_get_state(self, d):
|
|
return {
|
|
'__original.type__': 'encoded.Positions',
|
|
'as_dict': dict(d)
|
|
}
|