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SF patch #907403: Improvements to cStringIO.writelines()

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The writelines() method now accepts any iterable argument and writes
the lines one at a time rather than using ''.join(lines) followed by
a single write.  Results in considerable memory savings and makes the
method suitable for use with generator expressions.
This commit is contained in:
Raymond Hettinger 2004-03-08 18:22:35 +00:00
parent 6ec099658a
commit 3e47f65e28
1 changed files with 5 additions and 0 deletions
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@ -175,6 +175,11 @@ Core and builtins
Extension modules Extension modules
----------------- -----------------
- cStringIO.writelines() now accepts any iterable argument and writes
the lines one at a time rather than joining them and writing once.
Made a parallel change to StringIO.writelines(). Saves memory and
makes suitable for use with generator expressions.
- time.strftime() now checks that the values in its time tuple argument - time.strftime() now checks that the values in its time tuple argument
are within the proper boundaries to prevent possible crashes from the are within the proper boundaries to prevent possible crashes from the
platform's C library implementation of strftime(). Can possibly platform's C library implementation of strftime(). Can possibly