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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙimport contextlib import sys import unittest from test import support import time resource = support.import_module('resource') # This test is checking a few specific problem spots with the resource module. class ResourceTest(unittest.TestCase): def test_args(self): self.assertRaises(TypeError, resource.getrlimit) self.assertRaises(TypeError, resource.getrlimit, 42, 42) self.assertRaises(TypeError, resource.setrlimit) self.assertRaises(TypeError, resource.setrlimit, 42, 42, 42) @unittest.skipIf(sys.platform == "vxworks", "setting RLIMIT_FSIZE is not supported on VxWorks") def test_fsize_ismax(self): try: (cur, max) = resource.getrlimit(resource.RLIMIT_FSIZE) except AttributeError: pass else: # RLIMIT_FSIZE should be RLIM_INFINITY, which will be a really big # number on a platform with large file support. On these platforms, # we need to test that the get/setrlimit functions properly convert # the number to a C long long and that the conversion doesn't raise # an error. self.assertEqual(resource.RLIM_INFINITY, max) resource.setrlimit(resource.RLIMIT_FSIZE, (cur, max)) def test_fsize_enforced(self): try: (cur, max) = resource.getrlimit(resource.RLIMIT_FSIZE) except AttributeError: pass else: # Check to see what happens when the RLIMIT_FSIZE is small. Some # versions of Python were terminated by an uncaught SIGXFSZ, but # pythonrun.c has been fixed to ignore that exception. If so, the # write() should return EFBIG when the limit is exceeded. # At least one platform has an unlimited RLIMIT_FSIZE and attempts # to change it raise ValueError instead. try: try: resource.setrlimit(resource.RLIMIT_FSIZE, (1024, max)) limit_set = True except ValueError: limit_set = False f = open(support.TESTFN, "wb") try: f.write(b"X" * 1024) try: f.write(b"Y") f.flush() # On some systems (e.g., Ubuntu on hppa) the flush() # doesn't always cause the exception, but the close() # does eventually. Try flushing several times in # an attempt to ensure the file is really synced and # the exception raised. for i in range(5): time.sleep(.1) f.flush() except OSError: if not limit_set: raise if limit_set: # Close will attempt to flush the byte we wrote # Restore limit first to avoid getting a spurious error resource.setrlimit(resource.RLIMIT_FSIZE, (cur, max)) finally: f.close() finally: if limit_set: resource.setrlimit(resource.RLIMIT_FSIZE, (cur, max)) support.unlink(support.TESTFN) def test_fsize_toobig(self): # Be sure that setrlimit is checking for really large values too_big = 10**50 try: (cur, max) = resource.getrlimit(resource.RLIMIT_FSIZE) except AttributeError: pass else: try: resource.setrlimit(resource.RLIMIT_FSIZE, (too_big, max)) except (OverflowError, ValueError): pass try: resource.setrlimit(resource.RLIMIT_FSIZE, (max, too_big)) except (OverflowError, ValueError): pass def test_getrusage(self): self.assertRaises(TypeError, resource.getrusage) self.assertRaises(TypeError, resource.getrusage, 42, 42) usageself = resource.getrusage(resource.RUSAGE_SELF) usagechildren = resource.getrusage(resource.RUSAGE_CHILDREN) # May not be available on all systems. try: usageboth = resource.getrusage(resource.RUSAGE_BOTH) except (ValueError, AttributeError): pass try: usage_thread = resource.getrusage(resource.RUSAGE_THREAD) except (ValueError, AttributeError): pass # Issue 6083: Reference counting bug @unittest.skipIf(sys.platform == "vxworks", "setting RLIMIT_CPU is not supported on VxWorks") def test_setrusage_refcount(self): try: limits = resource.getrlimit(resource.RLIMIT_CPU) except AttributeError: pass else: class BadSequence: def __len__(self): return 2 def __getitem__(self, key): if key in (0, 1): return len(tuple(range(1000000))) raise IndexError resource.setrlimit(resource.RLIMIT_CPU, BadSequence()) def test_pagesize(self): pagesize = resource.getpagesize() self.assertIsInstance(pagesize, int) self.assertGreaterEqual(pagesize, 0) @unittest.skipUnless(sys.platform == 'linux', 'test requires Linux') def test_linux_constants(self): for attr in ['MSGQUEUE', 'NICE', 'RTPRIO', 'RTTIME', 'SIGPENDING']: with contextlib.suppress(AttributeError): self.assertIsInstance(getattr(resource, 'RLIMIT_' + attr), int) def test_freebsd_contants(self): for attr in ['SWAP', 'SBSIZE', 'NPTS']: with contextlib.suppress(AttributeError): self.assertIsInstance(getattr(resource, 'RLIMIT_' + attr), int) @unittest.skipUnless(hasattr(resource, 'prlimit'), 'no prlimit') @support.requires_linux_version(2, 6, 36) def test_prlimit(self): self.assertRaises(TypeError, resource.prlimit) self.assertRaises(ProcessLookupError, resource.prlimit, -1, resource.RLIMIT_AS) limit = resource.getrlimit(resource.RLIMIT_AS) self.assertEqual(resource.prlimit(0, resource.RLIMIT_AS), limit) self.assertEqual(resource.prlimit(0, resource.RLIMIT_AS, limit), limit) # Issue 20191: Reference counting bug @unittest.skipUnless(hasattr(resource, 'prlimit'), 'no prlimit') @support.requires_linux_version(2, 6, 36) def test_prlimit_refcount(self): class BadSeq: def __len__(self): return 2 def __getitem__(self, key): return limits[key] - 1 # new reference limits = resource.getrlimit(resource.RLIMIT_AS) self.assertEqual(resource.prlimit(0, resource.RLIMIT_AS, BadSeq()), limits) if __name__ == "__main__": unittest.main()