[Python-checkins] r81461 - in python/branches/py3k: Lib/codecs.py Lib/test/test_codecs.py Misc/NEWS
victor.stinner
python-checkins at python.org
Sat May 22 04:16:27 CEST 2010
Author: victor.stinner
Date: Sat May 22 04:16:27 2010
New Revision: 81461
Log:
Merged revisions 81459 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r81459 | victor.stinner | 2010-05-22 04:11:07 +0200 (sam., 22 mai 2010) | 3 lines
Issue #6268: Fix seek() method of codecs.open(), don't read the BOM twice
after seek(0)
........
Modified:
python/branches/py3k/ (props changed)
python/branches/py3k/Lib/codecs.py
python/branches/py3k/Lib/test/test_codecs.py
python/branches/py3k/Misc/NEWS
Modified: python/branches/py3k/Lib/codecs.py
==============================================================================
--- python/branches/py3k/Lib/codecs.py (original)
+++ python/branches/py3k/Lib/codecs.py Sat May 22 04:16:27 2010
@@ -699,6 +699,10 @@
self.reader.reset()
self.writer.reset()
+ def seek(self, offset, whence=0):
+ self.reader.seek(offset, whence)
+ self.writer.seek(offset, whence)
+
def __getattr__(self, name,
getattr=getattr):
Modified: python/branches/py3k/Lib/test/test_codecs.py
==============================================================================
--- python/branches/py3k/Lib/test/test_codecs.py (original)
+++ python/branches/py3k/Lib/test/test_codecs.py Sat May 22 04:16:27 2010
@@ -1594,6 +1594,26 @@
b"\xe4\xeb\xef\xf6\xfc")
+class BomTest(unittest.TestCase):
+ def test_seek0(self):
+ data = "1234567890"
+ tests = ("utf-16",
+ "utf-16-le",
+ "utf-16-be",
+ "utf-32",
+ "utf-32-le",
+ "utf-32-be")
+ for encoding in tests:
+ with codecs.open('foo', 'w+', encoding=encoding) as f:
+ # Check if the BOM is written only once
+ f.write(data)
+ f.write(data)
+ f.seek(0)
+ self.assertEquals(f.read(), data * 2)
+ f.seek(0)
+ self.assertEquals(f.read(), data * 2)
+
+
def test_main():
support.run_unittest(
UTF32Test,
@@ -1621,6 +1641,7 @@
WithStmtTest,
TypesTest,
SurrogateEscapeTest,
+ BomTest,
)
Modified: python/branches/py3k/Misc/NEWS
==============================================================================
--- python/branches/py3k/Misc/NEWS (original)
+++ python/branches/py3k/Misc/NEWS Sat May 22 04:16:27 2010
@@ -393,6 +393,9 @@
Library
-------
+- Issue #6268: Fix seek() method of codecs.open(), don't read the BOM twice
+ after seek(0)
+
- Issue #3798: sys.exit(message) writes the message to sys.stderr file, instead
of the C file stderr, to use stderr encoding and error handler
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