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

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
-----------------
- 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
are within the proper boundaries to prevent possible crashes from the
platform's C library implementation of strftime(). Can possibly