[pypy-commit] pypy default: try to mitigate "it takes forever" on py.test

[fijal]

Author: Maciej Fijalkowski <fijall at gmail.com>
Branch: 
Changeset: r58361:f8388bb30d71
Date: 2012-10-22 16:27 +0200
http://bitbucket.org/pypy/pypy/changeset/f8388bb30d71/

Log:	try to mitigate "it takes forever" on py.test

diff --git a/py/_code/source.py b/py/_code/source.py
--- a/py/_code/source.py
+++ b/py/_code/source.py
@@ -118,7 +118,7 @@
         # 1. find the start of the statement
         from codeop import compile_command
         end = None
-        for start in range(lineno, -1, -1):
+        for start in range(lineno, -1, max(-1, lineno - 10)):
             if assertion:
                 line = self.lines[start]
                 # the following lines are not fully tested, change with care
@@ -135,9 +135,9 @@
                 compile_command(trysource)
             except (SyntaxError, OverflowError, ValueError):
                 continue
-
+ 
             # 2. find the end of the statement
-            for end in range(lineno+1, len(self)+1):
+            for end in range(lineno+1, min(len(self)+1, lineno + 10)):
                 trysource = self[start:end]
                 if trysource.isparseable():
                     return start, end