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-rw-r--r--Lib/codecs.py13
1 files changed, 10 insertions, 3 deletions
diff --git a/Lib/codecs.py b/Lib/codecs.py
index 9490602..f6c2448 100644
--- a/Lib/codecs.py
+++ b/Lib/codecs.py
@@ -374,6 +374,11 @@ class StreamWriter(Codec):
"""
pass
+ def seek(self, offset, whence=0):
+ self.stream.seek(offset, whence)
+ if whence == 0 and offset == 0:
+ self.reset()
+
def __getattr__(self, name,
getattr=getattr):
@@ -606,8 +611,8 @@ class StreamReader(Codec):
Resets the codec buffers used for keeping state.
"""
- self.reset()
self.stream.seek(offset, whence)
+ self.reset()
def __next__(self):
@@ -700,8 +705,10 @@ class StreamReaderWriter:
self.writer.reset()
def seek(self, offset, whence=0):
- self.reader.seek(offset, whence)
- self.writer.seek(offset, whence)
+ self.stream.seek(offset, whence)
+ self.reader.reset()
+ if whence == 0 and offset == 0:
+ self.writer.reset()
def __getattr__(self, name,
getattr=getattr):