Lib/trace.py - Issue 20103: http://bugs.python.org/issue2459 -- speed up loops

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Unified Diff: Lib/trace.py

Issue 20103: http://bugs.python.org/issue2459 -- speed up loops Base URL: http://svn.python.org/view/*checkout*/python/trunk/

Patch Set: Created 16 years, 10 months ago

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Index: Lib/trace.py

===================================================================

--- Lib/trace.py (revision 70087)

+++ Lib/trace.py (working copy)

@@ -377,7 +377,8 @@

"""Return dict where keys are lines in the line number table."""

linenos = {}

- line_increments = [ord(c) for c in code.co_lnotab[1::2]]

+ line_increments = [c if c < 128 else c - 256

+ for c in map(ord, code.co_lnotab[1::2])]

table_length = len(line_increments)

docstring = False

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