Mercurial > hg > mercurial-crew-with-dirclash

comparison mercurial/util.py @ 2471:6904e1ef8ad1

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merge with crew.
author Vadim Gelfer <vadim.gelfer@gmail.com>
date Tue, 20 Jun 2006 23:58:45 -0700
parents fe1689273f84 d610bcfd66a8
children 519a1011db91
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2470:fe1689273f84 2471:6904e1ef8ad1
819 self.iterempty = True 819 self.iterempty = True
820 self.buf = collector.getvalue() 820 self.buf = collector.getvalue()
821 s, self.buf = self.buf[:l], buffer(self.buf, l) 821 s, self.buf = self.buf[:l], buffer(self.buf, l)
822 return s 822 return s
823 823
824 def filechunkiter(f, size = 65536): 824 def filechunkiter(f, size=65536, limit=None):
825 """Create a generator that produces all the data in the file size 825 """Create a generator that produces the data in the file size
826 (default 65536) bytes at a time. Chunks may be less than size 826 (default 65536) bytes at a time, up to optional limit (default is
827 bytes if the chunk is the last chunk in the file, or the file is a 827 to read all data). Chunks may be less than size bytes if the
828 socket or some other type of file that sometimes reads less data 828 chunk is the last chunk in the file, or the file is a socket or
829 than is requested.""" 829 some other type of file that sometimes reads less data than is
830 s = f.read(size) 830 requested."""
831 while len(s) > 0: 831 assert size >= 0
832 assert limit is None or limit >= 0
833 while True:
834 if limit is None: nbytes = size
835 else: nbytes = min(limit, size)
836 s = nbytes and f.read(nbytes)
837 if not s: break
838 if limit: limit -= len(s)
832 yield s 839 yield s
833 s = f.read(size)
834 840
835 def makedate(): 841 def makedate():
836 lt = time.localtime() 842 lt = time.localtime()
837 if lt[8] == 1 and time.daylight: 843 if lt[8] == 1 and time.daylight:
838 tz = time.altzone 844 tz = time.altzone