Merged revisions 77895-77896 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k
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r77895 | antoine.pitrou | 2010-01-31 23:47:27 +0100 (dim., 31 janv. 2010) | 12 lines
Merged revisions 77890 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r77890 | antoine.pitrou | 2010-01-31 23:26:04 +0100 (dim., 31 janv. 2010) | 7 lines
- Issue #6939: Fix file I/O objects in the `io` module to keep the original
file position when calling `truncate()`. It would previously change the
file position to the given argument, which goes against the tradition of
ftruncate() and other truncation APIs. Patch by Pascal Chambon.
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r77896 | antoine.pitrou | 2010-02-01 00:12:29 +0100 (lun., 01 févr. 2010) | 3 lines
r77895 broke doctest.
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diff --git a/Lib/_pyio.py b/Lib/_pyio.py
index 2458e40..a9ff985 100644
--- a/Lib/_pyio.py
+++ b/Lib/_pyio.py
@@ -851,7 +851,7 @@
elif pos < 0:
raise ValueError("negative truncate position %r" % (pos,))
del self._buffer[pos:]
- return self.seek(pos)
+ return pos
def readable(self):
return True
@@ -1210,8 +1210,7 @@
if pos is None:
pos = self.tell()
# Use seek to flush the read buffer.
- self.seek(pos)
- return BufferedWriter.truncate(self)
+ return BufferedWriter.truncate(self, pos)
def read(self, n=None):
if n is None:
@@ -1712,8 +1711,7 @@
self.flush()
if pos is None:
pos = self.tell()
- self.seek(pos)
- return self.buffer.truncate()
+ return self.buffer.truncate(pos)
def detach(self):
if self.buffer is None: