Mercurial > hg > mercurial-crew-with-dirclash
comparison mercurial/util.py @ 5446:fa836e050c50
chunkbuffer: removed unused method and arg
| author | Matt Mackall <mpm@selenic.com> |
|---|---|
| date | Thu, 11 Oct 2007 00:46:48 -0500 |
| parents | 6d1bd20ae14d |
| children | 56591846f819 |
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| 5445:64cf1c853674 | 5446:fa836e050c50 |
|---|---|
| 1394 | 1394 |
| 1395 class chunkbuffer(object): | 1395 class chunkbuffer(object): |
| 1396 """Allow arbitrary sized chunks of data to be efficiently read from an | 1396 """Allow arbitrary sized chunks of data to be efficiently read from an |
| 1397 iterator over chunks of arbitrary size.""" | 1397 iterator over chunks of arbitrary size.""" |
| 1398 | 1398 |
| 1399 def __init__(self, in_iter, targetsize = 2**16): | 1399 def __init__(self, in_iter): |
| 1400 """in_iter is the iterator that's iterating over the input chunks. | 1400 """in_iter is the iterator that's iterating over the input chunks. |
| 1401 targetsize is how big a buffer to try to maintain.""" | 1401 targetsize is how big a buffer to try to maintain.""" |
| 1402 self.in_iter = iter(in_iter) | 1402 self.in_iter = iter(in_iter) |
| 1403 self.buf = '' | 1403 self.buf = '' |
| 1404 self.targetsize = int(targetsize) | 1404 self.targetsize = 2**16 |
| 1405 if self.targetsize <= 0: | |
| 1406 raise ValueError(_("targetsize must be greater than 0, was %d") % | |
| 1407 targetsize) | |
| 1408 self.iterempty = False | 1405 self.iterempty = False |
| 1409 | |
| 1410 def fillbuf(self): | |
| 1411 """Ignore target size; read every chunk from iterator until empty.""" | |
| 1412 if not self.iterempty: | |
| 1413 collector = cStringIO.StringIO() | |
| 1414 collector.write(self.buf) | |
| 1415 for ch in self.in_iter: | |
| 1416 collector.write(ch) | |
| 1417 self.buf = collector.getvalue() | |
| 1418 self.iterempty = True | |
| 1419 | 1406 |
| 1420 def read(self, l): | 1407 def read(self, l): |
| 1421 """Read L bytes of data from the iterator of chunks of data. | 1408 """Read L bytes of data from the iterator of chunks of data. |
| 1422 Returns less than L bytes if the iterator runs dry.""" | 1409 Returns less than L bytes if the iterator runs dry.""" |
| 1423 if l > len(self.buf) and not self.iterempty: | 1410 if l > len(self.buf) and not self.iterempty: |