93 lines
3 KiB
Python
93 lines
3 KiB
Python
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""" Test scripts
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Test that we can run executable scripts that have been installed with numpy.
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"""
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from __future__ import division, print_function, absolute_import
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import os
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from os.path import join as pathjoin, isfile, dirname, basename
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import sys
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from subprocess import Popen, PIPE
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import numpy as np
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from numpy.compat.py3k import basestring
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from nose.tools import assert_equal
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from numpy.testing import assert_, dec
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is_inplace = isfile(pathjoin(dirname(np.__file__), '..', 'setup.py'))
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def run_command(cmd, check_code=True):
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""" Run command sequence `cmd` returning exit code, stdout, stderr
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Parameters
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----------
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cmd : str or sequence
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string with command name or sequence of strings defining command
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check_code : {True, False}, optional
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If True, raise error for non-zero return code
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Returns
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-------
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returncode : int
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return code from execution of `cmd`
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stdout : bytes (python 3) or str (python 2)
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stdout from `cmd`
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stderr : bytes (python 3) or str (python 2)
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stderr from `cmd`
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Raises
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------
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RuntimeError
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If `check_code` is True, and return code !=0
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"""
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cmd = [cmd] if isinstance(cmd, basestring) else list(cmd)
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if os.name == 'nt':
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# Quote any arguments with spaces. The quotes delimit the arguments
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# on Windows, and the arguments might be file paths with spaces.
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# On Unix the list elements are each separate arguments.
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cmd = ['"{0}"'.format(c) if ' ' in c else c for c in cmd]
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proc = Popen(cmd, stdout=PIPE, stderr=PIPE)
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stdout, stderr = proc.communicate()
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if proc.poll() is None:
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proc.terminate()
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if check_code and proc.returncode != 0:
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raise RuntimeError('\n'.join(
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['Command "{0}" failed with',
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'stdout', '------', '{1}', '',
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'stderr', '------', '{2}']).format(cmd, stdout, stderr))
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return proc.returncode, stdout, stderr
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@dec.skipif(is_inplace)
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def test_f2py():
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# test that we can run f2py script
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if sys.platform == 'win32':
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exe_dir = dirname(sys.executable)
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if exe_dir.endswith('Scripts'): # virtualenv
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f2py_cmd = r"%s\f2py.py" % exe_dir
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else:
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f2py_cmd = r"%s\Scripts\f2py.py" % exe_dir
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code, stdout, stderr = run_command([sys.executable, f2py_cmd, '-v'])
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success = stdout.strip() == b'2'
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assert_(success, "Warning: f2py not found in path")
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else:
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version = sys.version_info
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major = str(version.major)
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minor = str(version.minor)
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f2py_cmds = ('f2py', 'f2py' + major, 'f2py' + major + '.' + minor)
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success = False
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for f2py_cmd in f2py_cmds:
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try:
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code, stdout, stderr = run_command([f2py_cmd, '-v'])
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assert_equal(stdout.strip(), b'2')
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success = True
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break
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except Exception:
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pass
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msg = "Warning: neither %s nor %s nor %s found in path" % f2py_cmds
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assert_(success, msg)
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