本文整理汇总了Python中history.History.get_state方法的典型用法代码示例。如果您正苦于以下问题：Python History.get_state方法的具体用法？Python History.get_state怎么用？Python History.get_state使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类history.History的用法示例。
在下文中一共展示了History.get_state方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: revert_actions
# 需要导入模块: from history import History [as 别名]
# 或者: from history.History import get_state [as 别名]
def revert_actions(self, arg):
"""
Calculate the actions necessary to revert to a given state, the
argument may be one of:
* complete set of eggs, i.e. a set of egg file names
* revision number (negative numbers allowed)
* datetime in ISO format, i.e. YYYY-mm-dd HH:MM:SS
* simple strings like '1 day ago', see parse_dt module
"""
if self.hook:
raise NotImplementedError
h = History(self.prefixes[0])
h.update()
if isinstance(arg, set):
state = arg
else:
state = self._get_state(h, arg)
curr = h.get_state()
if state == curr:
return []
res = []
for egg in curr - state:
res.append(("remove", egg))
for egg in state - curr:
if not isfile(join(self.local_dir, egg)):
self._connect()
if self.remote.exists(egg):
res.append(("fetch_0", egg))
else:
raise EnpkgError("cannot revert -- missing %r" % egg)
res.append(("install", egg))
return res示例2: revert_actions
# 需要导入模块: from history import History [as 别名]
# 或者: from history.History import get_state [as 别名]
def revert_actions(self, arg):
"""
Calculate the actions necessary to revert to a given state, the
argument may be one of:
* complete set of eggs, i.e. a set of egg file names
* revision number (negative numbers allowed)
"""
if self.hook:
raise NotImplementedError
h = History(self.prefixes[0])
h.update()
if isinstance(arg, set):
state = arg
else:
try:
rev = int(arg)
except ValueError:
raise EnpkgError("Error: integer expected, got: %r" % arg)
try:
state = h.get_state(rev)
except IndexError:
raise EnpkgError("Error: no such revision: %r" % arg)
curr = h.get_state()
if state == curr:
return []
res = []
for egg in curr - state:
if egg.startswith('enstaller'):
continue
res.append(('remove', egg))
for egg in state - curr:
if egg.startswith('enstaller'):
continue
if not isfile(join(self.local_dir, egg)):
self._connect()
if self.remote.exists(egg):
res.append(('fetch_0', egg))
else:
raise EnpkgError("cannot revert -- missing %r" % egg)
res.append(('install', egg))
return res示例3: revert
# 需要导入模块: from history import History [as 别名]
# 或者: from history.History import get_state [as 别名]
def revert(enst, rev_in, quiet=False):
history = History(enst.prefixes[0])
try:
rev = int(rev_in)
except ValueError:
# we have a "date string"
from parse_dt import parse
rev = parse(rev_in)
if rev is None:
sys.exit("Error: could not parse: %r" % rev_in)
print "reverting to: %r" % rev
try:
state = history.get_state(rev)
except IndexError:
sys.exit("Error: no such revision: %r" % rev)
curr = set(egginst.get_installed())
if state == curr:
print "Nothing to revert"
return
# remove packages
for fn in curr - state:
enst.remove_egg(fn)
# install packages (fetch from server if necessary)
to_install = []
need_fetch = []
for fn in state - curr:
to_install.append(fn)
if not isfile(join(enst.egg_dir, fn)):
need_fetch.append(fn)
if need_fetch:
for fn in need_fetch:
dist = enst.chain.get_dist(filename_as_req(fn))
if dist:
enst.chain.fetch_dist(dist, enst.egg_dir,
dry_run=enst.dry_run)
for fn in to_install:
egg_path = join(enst.egg_dir, fn)
if isfile(egg_path):
ei = egginst.EggInst(egg_path)
ei.install()
history.update()