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realistic.py: update seek() implementation

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seek() requires whence param. Missing it broke readwrite test with
boto 2.4.0.

Signed-off-by: Yehuda Sadeh <yehuda@inktank.com>
This commit is contained in:
Yehuda Sadeh 2012-05-16 16:34:18 -07:00
parent f1f86a0de0
commit d346415f79
1 changed files with 14 additions and 6 deletions
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20
s3tests/realistic.py
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@ -6,6 +6,7 @@ import time
import math import math
import tempfile import tempfile
import shutil import shutil
import os
NANOSECOND = int(1e9) NANOSECOND = int(1e9)
@ -27,10 +28,17 @@ class RandomContentFile(object):
def _mark_chunk(self): def _mark_chunk(self):
self.chunks.append([self.offset, int(round((time.time() - self.last_seek) * NANOSECOND))]) self.chunks.append([self.offset, int(round((time.time() - self.last_seek) * NANOSECOND))])
def seek(self, offset): def seek(self, offset, whence=os.SEEK_SET):
assert offset == 0 if whence == os.SEEK_SET:
self.offset = offset
elif whence == os.SEEK_END:
self.offset = self.size + offset;
elif whence == os.SEEK_CUR:
self.offset += offset
assert self.offset == 0
self.random.seed(self.seed) self.random.seed(self.seed)
self.offset = offset
self.buffer = '' self.buffer = ''
self.hash = hashlib.md5() self.hash = hashlib.md5()
@ -95,10 +103,10 @@ class PrecomputedContentFile(object):
self.last_chunks = self.chunks = None self.last_chunks = self.chunks = None
self.seek(0) self.seek(0)
def seek(self, offset): def seek(self, offset, whence=os.SEEK_SET):
self._file.seek(offset) self._file.seek(offset, whence)
if offset == 0: if self.tell() == 0:
# only reset the chunks when seeking to the beginning # only reset the chunks when seeking to the beginning
self.last_chunks = self.chunks self.last_chunks = self.chunks
self.last_seek = time.time() self.last_seek = time.time()