upstream/mercurial-mirror Files · mercurial/fancyopts.py

Create an atomic opener that does not automatically rename on close...

Create an atomic opener that does not automatically rename on close The revlog.checkinlinesize() uses an atomic opener to replace the index file after converting it from inline to traditional .i and .d files. If this operation is interrupted, the atomic file class can overwrite a valid file with a partially written one. This patch introduces an atomic opener that does not automatically replace the destination file with the tempfile. This way an interrupted checkinlinesize() call turns into a noop.

twaldmann@thinkmo.de - - Load All Authors

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      import getopt

      def fancyopts(args, options, state):

          long = []

          short = ''

          map = {}

          dt = {}

          for s, l, d, c in options:

              pl = l.replace('-', '_')

              map['-'+s] = map['--'+l] = pl

              state[pl] = d

              dt[pl] = type(d)

              if not d is None and not callable(d):

                  if s: s += ':'

                  if l: l += '='

              if s: short = short + s

              if l: long.append(l)

          opts, args = getopt.getopt(args, short, long)

          for opt, arg in opts:

              if dt[map[opt]] is type(fancyopts): state[map[opt]](state,map[opt],arg)

              elif dt[map[opt]] is type(1): state[map[opt]] = int(arg)

              elif dt[map[opt]] is type(''): state[map[opt]] = arg

              elif dt[map[opt]] is type([]): state[map[opt]].append(arg)

              elif dt[map[opt]] is type(None): state[map[opt]] = 1

          return args

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				import getopt

				def fancyopts(args, options, state):
				long = []
				short = ''
				map = {}
				dt = {}

				for s, l, d, c in options:
				pl = l.replace('-', '_')
				map['-'+s] = map['--'+l] = pl
				state[pl] = d
				dt[pl] = type(d)
				if not d is None and not callable(d):
				if s: s += ':'
				if l: l += '='
				if s: short = short + s
				if l: long.append(l)

				opts, args = getopt.getopt(args, short, long)

				for opt, arg in opts:
				if dt[map[opt]] is type(fancyopts): state[map[opt]](state,map[opt],arg)
				elif dt[map[opt]] is type(1): state[map[opt]] = int(arg)
				elif dt[map[opt]] is type(''): state[map[opt]] = arg
				elif dt[map[opt]] is type([]): state[map[opt]].append(arg)
				elif dt[map[opt]] is type(None): state[map[opt]] = 1

				return args