Python tempfile.TMP_MAX Examples

def mkstemp(self, suffix='', prefix='', dir=None, mode='wb'):
        """A wrap around tempfile.mkstemp creating a file with a unique
        name.  Unlike mkstemp it returns an object with a file-like
        interface.
        """
        class FileWrapper:
            def __init__(self, fd, name):
                self.file = fd
                self.name = name

            def __getattr__(self, attr):
                return getattr(self.file, attr)

        text = 'b' not in mode
        # max number of tries to find out a unique file name
        tempfile.TMP_MAX = 50
        fd, name = tempfile.mkstemp(suffix, prefix, dir, text=text)
        file = os.fdopen(fd, mode)
        return FileWrapper(file, name)

    # --- Wrapper methods around os.* calls 

def mkstemp(self, suffix='', prefix='', dir=None, mode='wb'):
        """A wrap around tempfile.mkstemp creating a file with a unique
        name.  Unlike mkstemp it returns an object with a file-like
        interface.
        """
        class FileWrapper:
            def __init__(self, fd, name):
                self.file = fd
                self.name = name

            def __getattr__(self, attr):
                return getattr(self.file, attr)

        text = 'b' not in mode
        # max number of tries to find out a unique file name
        tempfile.TMP_MAX = 50
        fd, name = tempfile.mkstemp(suffix, prefix, dir, text=text)
        file = os.fdopen(fd, mode)
        return FileWrapper(file, name)

    # --- Wrapper methods around os.* calls 

def mkstemp(self, suffix='', prefix='', dir=None, mode='wb'):
        """A wrap around tempfile.mkstemp creating a file with a unique
        name.  Unlike mkstemp it returns an object with a file-like
        interface.
        """
        class FileWrapper:

            def __init__(self, fd, name):
                self.file = fd
                self.name = name

            def __getattr__(self, attr):
                return getattr(self.file, attr)

        text = 'b' not in mode
        # max number of tries to find out a unique file name
        tempfile.TMP_MAX = 50
        fd, name = tempfile.mkstemp(suffix, prefix, dir, text=text)
        file = os.fdopen(fd, mode)
        return FileWrapper(file, name)

    # --- Wrapper methods around os.* calls 

def mkstemp(self, suffix='', prefix='', dir=None, mode='wb'):
        """A wrap around tempfile.mkstemp creating a file with a unique
        name.  Unlike mkstemp it returns an object with a file-like
        interface.
        """
        class FileWrapper:
            def __init__(self, fd, name):
                self.file = fd
                self.name = name
            def __getattr__(self, attr):
                return getattr(self.file, attr)

        text = not 'b' in mode
        # max number of tries to find out a unique file name
        tempfile.TMP_MAX = 50
        fd, name = tempfile.mkstemp(suffix, prefix, dir, text=text)
        file = os.fdopen(fd, mode)
        return FileWrapper(file, name)

    # --- Wrapper methods around os.* calls 

def mkdtemp(dirpath, prefix='', suffix='', mode=0700):
    """Creates a directory in directory *dir* using *prefix* and *suffix* to
    name it:
            (dir)/<prefix><random_string><postfix>
    Returns absolute path of directory.
    """
    dirpath = os.path.abspath(dirpath)
    names = _get_candidate_names()
    mode = int(mode)
    if not fcheck.mode_check(mode):
        raise ValueError("wrong mode: %r" % oct(mode))
    for _ in xrange(TMP_MAX):
        name = names.next()
        fpath = os.path.abspath(os.path.join(dirpath, '%s%s%s'
                                % (prefix, name, suffix)))
        try:
            os.mkdir(fpath, mode)
            return fpath
        except OSError, ex:
            if ex.errno == errno.EEXIST:
                # try again
                continue
            raise 

def mkstemp(self, suffix='', prefix='', dir=None, mode='wb'):
        """A wrap around tempfile.mkstemp creating a file with a unique
        name.  Unlike mkstemp it returns an object with a file-like
        interface.
        """
        class FileWrapper:

            def __init__(self, fd, name):
                self.file = fd
                self.name = name

            def __getattr__(self, attr):
                return getattr(self.file, attr)

        text = 'b' not in mode
        # max number of tries to find out a unique file name
        tempfile.TMP_MAX = 50
        fd, name = tempfile.mkstemp(suffix, prefix, dir, text=text)
        file = os.fdopen(fd, mode)
        return FileWrapper(file, name)

    # --- Wrapper methods around os.* calls 

def _make_inc_temp(self, suffix="", prefix="", directory_name=None):
        """Return a incremental temporary file name. The file is not created.

        Args:
            suffix (str): The suffix of the temp file.
            prefix (str): The prefix of the temp file.
            directory_name (str) : The base directory of the temp file.

        Returns:
            A string of file name. If there existing a file having
                the same name, the returned name will look like
                "{directory_name}/{prefix}.{unique_index}{suffix}"
        """
        if directory_name is None:
            directory_name = ray.utils.get_ray_temp_dir()
        directory_name = os.path.expanduser(directory_name)
        index = self._incremental_dict[suffix, prefix, directory_name]
        # `tempfile.TMP_MAX` could be extremely large,
        # so using `range` in Python2.x should be avoided.
        while index < tempfile.TMP_MAX:
            if index == 0:
                filename = os.path.join(directory_name, prefix + suffix)
            else:
                filename = os.path.join(directory_name,
                                        prefix + "." + str(index) + suffix)
            index += 1
            if not os.path.exists(filename):
                # Save the index.
                self._incremental_dict[suffix, prefix, directory_name] = index
                return filename

        raise FileExistsError(errno.EEXIST,
                              "No usable temporary filename found") 

def mkstemp(dirpath, prefix='', suffix='', unlink=1, mode=0600):
    """Creates a file in directory *dir* using *prefix* and *suffix* to
    name it:
            (dir)/<prefix><random_string><postfix>
    Returns a couple of files (pysec.io.fd.File):
            (Read_File, Write_File)
    If *unlink* is true registers a unlink function at exit.
    """
    dirpath = os.path.abspath(dirpath)
    mode = int(mode)
    if not fcheck.mode_check(mode):
        raise ValueError("wrong mode: %r" % oct(mode))
    names = _get_candidate_names()
    for _ in xrange(TMP_MAX):
        name = names.next()
        fpath = os.path.join(dirpath, '%s%s%s' % (prefix, name, suffix))
        if unlink:
            atexit.register(os.unlink, fpath)
        fdr = fdw = -1
        try:
            fdr = os.open(fpath, os.O_RDONLY | os.O_CREAT | os.O_EXCL, mode)
            fdw = os.open(fpath, os.O_WRONLY, mode)
            _set_cloexec(fdr)
            _set_cloexec(fdw)
            return fd.File(fdr), fd.File(fdw)
        except OSError, ex:
            if fdr != -1:
                os.close(fdr)
            if fdw != -1:
                os.close(fdw)
            if ex.errno == errno.EEXIST:
                continue
            else:
                try:
                    os.unlink(fpath)
                except IOError:
                    pass
            raise
        except: