Comment #2 on issue 3508 by [email protected]: Tests started with arch are
not run in the correct architecture
http://code.google.com/p/sympy/issues/detail?id=3508
In particular, I applied
diff --git a/sympy/utilities/runtests.py b/sympy/utilities/runtests.py
index e3e3292..3223f59 100644
--- a/sympy/utilities/runtests.py
+++ b/sympy/utilities/runtests.py
@@ -144,7 +144,7 @@ def setup_pprint():
def run_in_subprocess_with_hash_randomization(function, function_args=(),
function_kwargs={}, command=sys.executable,
- module='sympy.utilities.runtests', force=False):
+ module='sympy.utilities.runtests', force=False, use_arch=True):
"""
Run a function in a Python subprocess with hash randomization enabled.
@@ -178,6 +178,12 @@ def
run_in_subprocess_with_hash_randomization(function, function_args=(),
3.1.5, and 3.2.3, and is enabled by default in all Python versions
after
and including 3.3.0.
+ If use_arch is True, it will attempt to use the ``arch`` command to
make
+ the subprocess architecture (32-bit or 64-bit) match that of the
current
+ interpreter. This is necessary if the current interpreter's
architecture
+ was also set using ``arch``, as otherwise the subprocess will revert to
+ the default architecture for the executable.
+
Examples
========
@@ -195,10 +201,25 @@ def
run_in_subprocess_with_hash_randomization(function, function_args=(),
# Note, we must return False everywhere, not None, as subprocess.call
will
# sometimes return None.
+ if use_arch:
+ try:
+ a = subprocess.Popen(["arch"], stdout=subprocess.PIPE,
+ stderr=subprocess.STDOUT)
+ a.communicate()
+ except Exception:
+ pass
+ else:
+ if a.returncode == 0:
+ from .misc import ARCH
+ if ARCH == '64-bit':
+ command = 'arch -x86_64 ' + command
+ else: # ARCH == '32-bit'
+ command = 'arch -i386 ' + command
+
# First check if the Python version supports hash randomization
# If it doesn't have this support, it won't reconize the -R flag
p = subprocess.Popen([command, "-RV"], stdout=subprocess.PIPE,
- stderr=subprocess.STDOUT)
+ stderr=subprocess.STDOUT)
p.communicate()
if p.returncode != 0:
return False
@@ -290,8 +311,7 @@ def run_all_tests(test_args=(), test_kwargs={},
doctest_args=(),
def test(*paths, **kwargs):
- """
- Run tests in the specified test_*.py files.
+ """Run tests in the specified test_*.py files.
Tests in a particular test_*.py file are run if any of the given
strings
in ``paths`` matches a part of the test file's path. If ``paths=[]``,
@@ -411,8 +431,8 @@ def test(*paths, **kwargs):
If the seed is not set, a random seed will be chosen.
- Note that to reproduce the same hash values, you must use both the
same as
- well as the same architecture (32-bit vs. 64-bit).
+ Note that to reproduce the same hash values, you must use both the same
+ hash as well as the same architecture (32-bit vs. 64-bit).
"""
subprocess = kwargs.pop("subprocess", True)
and get
$arch -i386 $SYSTEMPYTHON bin/test
Traceback (most recent call last):
File "bin/test", line 68, in <module>
'subprocess': options.subprocess})
File "/Users/aaronmeurer/Documents/Python/sympy/sympy/sympy/utilities/runtests.py",
line 441, in test
function_args=paths, function_kwargs=kwargs)
File "/Users/aaronmeurer/Documents/Python/sympy/sympy/sympy/utilities/runtests.py",
line 222, in run_in_subprocess_with_hash_randomization
stderr=subprocess.STDOUT)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py",
line 679, in __init__
errread, errwrite)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py",
line 1228, in _execute_child
raise child_exception
OSError: [Errno 2] No such file or directory
($SYSTEMPYTHON points to my system Python install, which is universal, but
actually it does this regardless).
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