def getTextContentHistoryRevisionDictList(self, limit=100):
"""
TODO
"""
history_dict_list = self._p_jar.db().history(self._p_oid, size=limit)
if history_dict_list is None:
# Storage doesn't support history
return ()
from struct import unpack
from OFS.History import historicalRevision
previous_text_content = None
result = []
for history_dict in history_dict_list:
text_content = historicalRevision(self, history_dict['tid']).getTextContent()
if text_content and text_content != previous_text_content:
history_dict['time'] = history_dict['time']
history_dict['user_name'] = history_dict['user_name'].strip()
history_dict['key'] = '.'.join(map(str, unpack(">HHHH", history_dict['tid'])))
del history_dict['tid']
del history_dict['size']
result.append(history_dict)
previous_text_content = text_content
return result
def getTextContentHistory(self, key):
"""Returns the text content of a previous version of the document.
"""
from struct import pack
from OFS.History import historicalRevision
serial = pack(*('>HHHH', ) + tuple(map(int, key.split('.'))))
rev = historicalRevision(self, serial)
return rev._baseGetTextContent()
def getTextContentHistory(self, key):
"""
TODO
"""
from struct import pack
from OFS.History import historicalRevision
serial = apply(pack, ('>HHHH',) + tuple(map(int, key.split('.'))))
rev = historicalRevision(self, serial)
return rev.getTextContent()
def pageRevision(self, rev):
"""
Get one of the previous revisions of this page object.
The argument increases to select older revisions, eg revision 1 is
the most recent version prior to the current one, revision 2 is
the version before that, etc.
"""
rev = int(rev)
try:
historyentry = self.history()[rev]
except (IndexError, AttributeError):
# IndexError - we don't have a version that old
# AttributeError - new object, no history yet,
# due to creation of page in unit tests without
# editing them yet - doesn't really happen in real use
# I guess
return None
key = historyentry['key']
serial = apply(pack, ('>HHHH',)+tuple(map(atoi, split(key,'.'))))
return historicalRevision(self, serial)
