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lit: execfile() isn't present in Python 3.3

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On the other hand, exec(compile()) doesn't work in older Python versions in the
2.x series.

This commit introduces exec(compile()) with a fallback to plain exec(). That'll
hopefully hit the sweet spot in terms of version support.

Followup to r198766 which added enhanced source locations for lit cfg parsing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199006 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alp Toker 2014-01-11 13:27:28 +00:00
parent 08be87bdfa
commit 4c28d2024f
1 changed files with 8 additions and 9 deletions
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17
utils/lit/lit/TestingConfig.py
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@ -1,7 +1,7 @@
import os
import sys
OldPy = sys.version_info[0] == 2 and sys.version_info[1] < 6
OldPy = sys.version_info[0] == 2 and sys.version_info[1] < 7
class TestingConfig:
""""
@ -75,13 +75,12 @@ class TestingConfig:
# Load the config script data.
data = None
if OldPy:
f = open(path)
try:
data = f.read()
except:
litConfig.fatal('unable to load config file: %r' % (path,))
f.close()
f = open(path)
try:
data = f.read()
except:
litConfig.fatal('unable to load config file: %r' % (path,))
f.close()
# Execute the config script to initialize the object.
cfg_globals = dict(globals())
@ -92,7 +91,7 @@ class TestingConfig:
if OldPy:
exec("exec data in cfg_globals")
else:
execfile(path, cfg_globals)
exec(compile(data, path, 'exec'), cfg_globals, None)
if litConfig.debug:
litConfig.note('... loaded config %r' % path)
except SystemExit: