Author: Brian Kearns <bdkea...@gmail.com>
Branch: use-file-star-for-file
Changeset: r73510:a2cb5424ebf5
Date: 2014-09-12 14:06 -0400
http://bitbucket.org/pypy/pypy/changeset/a2cb5424ebf5/
Log: retry when necessary in file.readinto
diff --git a/pypy/module/_file/interp_file.py b/pypy/module/_file/interp_file.py
--- a/pypy/module/_file/interp_file.py
+++ b/pypy/module/_file/interp_file.py
@@ -437,10 +437,18 @@
# XXX not the most efficient solution as it doesn't avoid the copying
space = self.space
rwbuffer = space.writebuf_w(w_rwbuffer)
- w_data = self.file_read(rwbuffer.getlength())
- data = space.str_w(w_data)
- rwbuffer.setslice(0, data)
- return space.wrap(len(data))
+ ntodo = rwbuffer.getlength()
+ ndone = 0
+ while ntodo:
+ w_data = self.file_read(ntodo)
+ data = space.str_w(w_data)
+ nnow = len(data)
+ if nnow == 0:
+ break
+ rwbuffer.setslice(ndone, data)
+ ndone += nnow
+ ntodo -= nnow
+ return space.wrap(ndone)
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