Mercurial > piecrust2

comparison piecrust/records.py @ 91:e88e330eb8dc

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Improvements to incremental baking and cache invalidating.
author Ludovic Chabant <ludovic@chabant.com>
date Fri, 05 Sep 2014 00:42:13 -0700
parents 343d08ef5668
children 133845647083
comparison
equal deleted inserted replaced
90:e293f08d954e 91:e88e330eb8dc
1 import os 1 import os
2 import os.path 2 import os.path
3 import pickle
3 import logging 4 import logging
4 from piecrust import APP_VERSION
5 from piecrust.events import Event 5 from piecrust.events import Event
6
7 try:
8 import pickle as pickle
9 except ImportError:
10 import pickle
11 6
12 7
13 logger = logging.getLogger(__name__) 8 logger = logging.getLogger(__name__)
14 9
15 10
16 class Record(object): 11 class Record(object):
17 VERSION = 1
18
19 def __init__(self): 12 def __init__(self):
20 self.app_version = None
21 self.record_version = None
22 self.entries = [] 13 self.entries = []
23 self.entry_added = Event() 14 self.entry_added = Event()
24
25 def isVersionMatch(self):
26 return (self.app_version == APP_VERSION and
27 self.record_version == self.VERSION)
28 15
29 def addEntry(self, entry): 16 def addEntry(self, entry):
30 self.entries.append(entry) 17 self.entries.append(entry)
31 self.entry_added.fire(entry) 18 self.entry_added.fire(entry)
32 19
41 def __getstate__(self): 28 def __getstate__(self):
42 odict = self.__dict__.copy() 29 odict = self.__dict__.copy()
43 del odict['entry_added'] 30 del odict['entry_added']
44 return odict 31 return odict
45 32
33 def __setstate__(self, state):
34 for k, v in state.items():
35 setattr(self, k, v)
36 self.entry_added = Event()
37
46 @staticmethod 38 @staticmethod
47 def load(path): 39 def load(path):
48 logger.debug("Loading bake record from: %s" % path) 40 logger.debug("Loading bake record from: %s" % path)
49 with open(path, 'rb') as fp: 41 with open(path, 'rb') as fp:
50 return pickle.load(fp) 42 return pickle.load(fp)