runtests.py 文件源码

def start(self, seed=None, msg="test process starts"):
        self.write_center(msg)
        executable = sys.executable
        v = tuple(sys.version_info)
        python_version = "%s.%s.%s-%s-%s" % v
        implementation = platform.python_implementation()
        if implementation == 'PyPy':
            implementation += " %s.%s.%s-%s-%s" % sys.pypy_version_info
        self.write("executable:         %s  (%s) [%s]\n" %
            (executable, python_version, implementation))
        from .misc import ARCH
        self.write("architecture:       %s\n" % ARCH)
        from sympy.core.cache import USE_CACHE
        self.write("cache:              %s\n" % USE_CACHE)
        from sympy.core.compatibility import GROUND_TYPES, HAS_GMPY
        version = ''
        if GROUND_TYPES =='gmpy':
            if HAS_GMPY == 1:
                import gmpy
            elif HAS_GMPY == 2:
                import gmpy2 as gmpy
            version = gmpy.version()
        self.write("ground types:       %s %s\n" % (GROUND_TYPES, version))
        if seed is not None:
            self.write("random seed:        %d\n" % seed)
        from .misc import HASH_RANDOMIZATION
        self.write("hash randomization: ")
        hash_seed = os.getenv("PYTHONHASHSEED") or '0'
        if HASH_RANDOMIZATION and (hash_seed == "random" or int(hash_seed)):
            self.write("on (PYTHONHASHSEED=%s)\n" % hash_seed)
        else:
            self.write("off\n")
        if self._split:
            self.write("split:              %s\n" % self._split)
        self.write('\n')
        self._t_start = clock()