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Issue #16304: Further optimize BZ2File.readlines?().

This commit is contained in:
Nadeem Vawda 2012-10-01 23:05:32 +02:00
parent 138ad5066d
commit eb70be2b46
1 changed files with 8 additions and 6 deletions
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14
Lib/bz2.py
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@ -319,9 +319,10 @@ class BZ2File(io.BufferedIOBase):
non-negative, no more than size bytes will be read (in which
case the line may be incomplete). Returns b'' if already at EOF.
"""
if not hasattr(size, "__index__"):
raise TypeError("Integer argument expected")
size = size.__index__()
if not isinstance(size, int):
if not hasattr(size, "__index__"):
raise TypeError("Integer argument expected")
size = size.__index__()
with self._lock:
self._check_can_read()
# Shortcut for the common case - the whole line is in the buffer.
@ -341,9 +342,10 @@ class BZ2File(io.BufferedIOBase):
further lines will be read once the total size of the lines read
so far equals or exceeds size.
"""
if not hasattr(size, "__index__"):
raise TypeError("Integer argument expected")
size = size.__index__()
if not isinstance(size, int):
if not hasattr(size, "__index__"):
raise TypeError("Integer argument expected")
size = size.__index__()
with self._lock:
return io.BufferedIOBase.readlines(self, size)