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tag.py
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74 lines (63 loc) · 3.09 KB
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# objects.py
# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors
#
# This module is part of GitPython and is released under
# the BSD License: http://www.opensource.org/licenses/bsd-license.php
""" Module containing all object based types. """
from .importbase
from .utilimportget_object_type_by_name,parse_actor_and_date
from ..utilimporthex_to_bin
from ..compatimportdefenc
__all__= ("TagObject", )
classTagObject(base.Object):
"""Non-Lightweight tag carrying additional information about an object we are pointing to."""
type="tag"
__slots__= ("object","tag","tagger","tagged_date","tagger_tz_offset","message")
def__init__(self,repo,binsha,object=None,tag=None,# @ReservedAssignment
tagger=None,tagged_date=None,tagger_tz_offset=None,message=None):
"""Initialize a tag object with additional data
:param repo: repository this object is located in
:param binsha: 20 byte SHA1
:param object: Object instance of object we are pointing to
:param tag: name of this tag
:param tagger: Actor identifying the tagger
:param tagged_date: int_seconds_since_epoch
is the DateTime of the tag creation - use time.gmtime to convert
it into a different format
:param tagged_tz_offset: int_seconds_west_of_utc is the timezone that the
authored_date is in, in a format similar to time.altzone"""
super(TagObject,self).__init__(repo,binsha)
ifobjectisnotNone:
self.object=object
iftagisnotNone:
self.tag=tag
iftaggerisnotNone:
self.tagger=tagger
iftagged_dateisnotNone:
self.tagged_date=tagged_date
iftagger_tz_offsetisnotNone:
self.tagger_tz_offset=tagger_tz_offset
ifmessageisnotNone:
self.message=message
def_set_cache_(self,attr):
"""Cache all our attributes at once"""
ifattrinTagObject.__slots__:
ostream=self.repo.odb.stream(self.binsha)
lines=ostream.read().decode(defenc).splitlines()
obj,hexsha=lines[0].split(" ")# object <hexsha> @UnusedVariable
type_token,type_name=lines[1].split(" ")# type <type_name> @UnusedVariable
self.object= \
get_object_type_by_name(type_name.encode('ascii'))(self.repo,hex_to_bin(hexsha))
self.tag=lines[2][4:]# tag <tag name>
tagger_info=lines[3]# tagger <actor> <date>
self.tagger,self.tagged_date,self.tagger_tz_offset=parse_actor_and_date(tagger_info)
# line 4 empty - it could mark the beginning of the next header
# in case there really is no message, it would not exist. Otherwise
# a newline separates header from message
iflen(lines)>5:
self.message="\n".join(lines[5:])
else:
self.message=''
# END check our attributes
else:
super(TagObject,self)._set_cache_(attr)