246     s = mctx.status().clean

   246     s = mctx.status().clean

   247     return [f for f in mctx.subset if f in s]

   247     return [f for f in mctx.subset if f in s]

   248 

   248 

   249 def func(mctx, a, b):

   249 def func(mctx, a, b):

   250     if a[0] == 'symbol' and a[1] in symbols:

   250     if a[0] == 'symbol' and a[1] in symbols:

   252 

   258 

   253     keep = lambda fn: getattr(fn, '__doc__', None) is not None

   259     keep = lambda fn: getattr(fn, '__doc__', None) is not None

   254 

   260 

   255     syms = [s for (s, fn) in symbols.items() if keep(fn)]

   261     syms = [s for (s, fn) in symbols.items() if keep(fn)]

   256     raise error.UnknownIdentifier(a[1], syms)

   262     raise error.UnknownIdentifier(a[1], syms)

   495 class matchctx(object):

   501 class matchctx(object):

   496     def __init__(self, ctx, subset=None, status=None):

   502     def __init__(self, ctx, subset=None, status=None):

   497         self.ctx = ctx

   503         self.ctx = ctx

   498         self.subset = subset

   504         self.subset = subset

   499         self._status = status

   505         self._status = status

   500     def status(self):

   507     def status(self):

   501         return self._status

   508         return self._status

   502     def matcher(self, patterns):

   509     def matcher(self, patterns):

   503         return self.ctx.match(patterns)

   510         return self.ctx.match(patterns)

   504     def filter(self, files):

   511     def filter(self, files):

   505         return [f for f in files if f in self.subset]

   512         return [f for f in files if f in self.subset]

   506     def existing(self):

   513     def existing(self):

   507         if self._status is not None:

   515         if self._status is not None:

   508             removed = set(self._status[3])

   516             removed = set(self._status[3])

   509             unknown = set(self._status[4] + self._status[5])

   517             unknown = set(self._status[4] + self._status[5])

   510         else:

   518         else:

   511             removed = set()

   519             removed = set()