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Diffstat (limited to 'Misc/NEWS')
| -rw-r--r-- | Misc/NEWS | 11 |
1 files changed, 11 insertions, 0 deletions
@@ -29,6 +29,17 @@ Extension modules Library ------- +- Bug #788520. Queue.{get, get_nowait, put, put_nowait} have new + implementations, exploiting Conditions (which didn't exist at the time + Queue was introduced). A minor semantic change is that the Full and + Empty exceptions raised by non-blocking calls now occur only if the + queue truly was full or empty at the instant the queue was checked (of + course the Queue may no longer be full or empty by the time a calling + thread sees those exceptions, though). Before, the exceptions could + also be raised if it was "merely inconvenient" for the implementation + to determine the true state of the Queue (because the Queue was locked + by some other method in progress). + - Bugs #979794 and #980117: difflib.get_grouped_opcodes() now handles the case of comparing two empty lists. This affected both context_diff() and unified_diff(), |