python类get_osfhandle()的实例源码

async_sub.py 文件源码 项目:Projects 作者: it2school 项目源码 文件源码 阅读 29 收藏 0 点赞 0 评论 0
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None

            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except ValueError:
                return self._close(which)
            except (subprocess.pywintypes.error, Exception):
                if geterror()[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise

            if self.universal_newlines:
                # Translate newlines. For Python 3.x assume read is text.
                # If bytes then another solution is needed.
                read = read.replace("\r\n", "\n").replace("\r", "\n")
            return read
utils.py 文件源码 项目:build-calibre 作者: kovidgoyal 项目源码 文件源码 阅读 28 收藏 0 点赞 0 评论 0
def isatty():
    if isatty.no_tty:
        return False
    f = sys.stdout
    if f.isatty():
        return True
    if not iswindows:
        return False
    # Check for a cygwin ssh pipe
    buf = ctypes.create_string_buffer(1024)
    h = msvcrt.get_osfhandle(f.fileno())
    if get_file_type(h) != 3:
        return False
    ret = get_file_info_by_handle(h, 2, buf, ctypes.sizeof(buf))
    if not ret:
        raise ctypes.WinError()
    data = buf.raw
    name = data[4:].decode('utf-16').rstrip(u'\0')
    parts = name.split('-')
    return parts[0] == r'\cygwin' and parts[2].startswith('pty') and parts[4] == 'master'
test_multiprocessing.py 文件源码 项目:zippy 作者: securesystemslab 项目源码 文件源码 阅读 26 收藏 0 点赞 0 评论 0
def test_fd_transfer(self):
        if self.TYPE != 'processes':
            self.skipTest("only makes sense with processes")
        conn, child_conn = self.Pipe(duplex=True)

        p = self.Process(target=self._writefd, args=(child_conn, b"foo"))
        p.daemon = True
        p.start()
        self.addCleanup(test.support.unlink, test.support.TESTFN)
        with open(test.support.TESTFN, "wb") as f:
            fd = f.fileno()
            if msvcrt:
                fd = msvcrt.get_osfhandle(fd)
            reduction.send_handle(conn, fd, p.pid)
        p.join()
        with open(test.support.TESTFN, "rb") as f:
            self.assertEqual(f.read(), b"foo")
test_multiprocessing.py 文件源码 项目:oil 作者: oilshell 项目源码 文件源码 阅读 25 收藏 0 点赞 0 评论 0
def test_fd_transfer(self):
        if self.TYPE != 'processes':
            self.skipTest("only makes sense with processes")
        conn, child_conn = self.Pipe(duplex=True)

        p = self.Process(target=self._writefd, args=(child_conn, b"foo"))
        p.daemon = True
        p.start()
        with open(test_support.TESTFN, "wb") as f:
            fd = f.fileno()
            if msvcrt:
                fd = msvcrt.get_osfhandle(fd)
            reduction.send_handle(conn, fd, p.pid)
        p.join()
        with open(test_support.TESTFN, "rb") as f:
            self.assertEqual(f.read(), b"foo")
test_multiprocessing.py 文件源码 项目:python2-tracer 作者: extremecoders-re 项目源码 文件源码 阅读 25 收藏 0 点赞 0 评论 0
def test_fd_transfer(self):
        if self.TYPE != 'processes':
            self.skipTest("only makes sense with processes")
        conn, child_conn = self.Pipe(duplex=True)

        p = self.Process(target=self._writefd, args=(child_conn, b"foo"))
        p.daemon = True
        p.start()
        with open(test_support.TESTFN, "wb") as f:
            fd = f.fileno()
            if msvcrt:
                fd = msvcrt.get_osfhandle(fd)
            reduction.send_handle(conn, fd, p.pid)
        p.join()
        with open(test_support.TESTFN, "rb") as f:
            self.assertEqual(f.read(), b"foo")
subprocessng.py 文件源码 项目:autoinjection 作者: ChengWiLL 项目源码 文件源码 阅读 26 收藏 0 点赞 0 评论 0
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None

            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except (ValueError, NameError):
                return self._close(which)
            except (subprocess.pywintypes.error, Exception), why:
                if why[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise

            if self.universal_newlines:
                read = self._translate_newlines(read)
            return read
test_multiprocessing.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 29 收藏 0 点赞 0 评论 0
def test_fd_transfer(self):
        if self.TYPE != 'processes':
            self.skipTest("only makes sense with processes")
        conn, child_conn = self.Pipe(duplex=True)

        p = self.Process(target=self._writefd, args=(child_conn, b"foo"))
        p.daemon = True
        p.start()
        self.addCleanup(test.support.unlink, test.support.TESTFN)
        with open(test.support.TESTFN, "wb") as f:
            fd = f.fileno()
            if msvcrt:
                fd = msvcrt.get_osfhandle(fd)
            reduction.send_handle(conn, fd, p.pid)
        p.join()
        with open(test.support.TESTFN, "rb") as f:
            self.assertEqual(f.read(), b"foo")
gdbcontroller.py 文件源码 项目:pygdbmi 作者: cs01 项目源码 文件源码 阅读 28 收藏 0 点赞 0 评论 0
def _make_non_blocking(file_obj):
    """make file object non-blocking
    Windows doesn't have the fcntl module, but someone on
    stack overflow supplied this code as an answer, and it works
    http://stackoverflow.com/a/34504971/2893090"""

    if USING_WINDOWS:
        LPDWORD = POINTER(DWORD)
        PIPE_NOWAIT = wintypes.DWORD(0x00000001)

        SetNamedPipeHandleState = windll.kernel32.SetNamedPipeHandleState
        SetNamedPipeHandleState.argtypes = [HANDLE, LPDWORD, LPDWORD, LPDWORD]
        SetNamedPipeHandleState.restype = BOOL

        h = msvcrt.get_osfhandle(file_obj.fileno())

        res = windll.kernel32.SetNamedPipeHandleState(h, byref(PIPE_NOWAIT), None, None)
        if res == 0:
            raise ValueError(WinError())

    else:
        # Set the file status flag (F_SETFL) on the pipes to be non-blocking
        # so we can attempt to read from a pipe with no new data without locking
        # the program up
        fcntl.fcntl(file_obj, fcntl.F_SETFL, os.O_NONBLOCK)
async_sub.py 文件源码 项目:AIFun 作者: Plottel 项目源码 文件源码 阅读 28 收藏 0 点赞 0 评论 0
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None

            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except ValueError:
                return self._close(which)
            except (subprocess.pywintypes.error, Exception):
                if geterror()[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise

            if self.universal_newlines:
                # Translate newlines. For Python 3.x assume read is text.
                # If bytes then another solution is needed.
                read = read.replace("\r\n", "\n").replace("\r", "\n")
            return read
winprocess.py 文件源码 项目:remoteControlPPT 作者: htwenning 项目源码 文件源码 阅读 26 收藏 0 点赞 0 评论 0
def run(cmd, mSec=None, stdin=None, stdout=None, stderr=None, **kw):
    """
    Run cmd as a child process and return exit code.
    mSec:  terminate cmd after specified number of milliseconds
    stdin, stdout, stderr:
           file objects for child I/O (use hStdin etc. to attach
           handles instead of files); default is caller's stdin,
           stdout & stderr;
    kw:    see Process.__init__ for more keyword options
    """
    if stdin is not None:
        kw['hStdin'] = msvcrt.get_osfhandle(stdin.fileno())
    if stdout is not None:
        kw['hStdout'] = msvcrt.get_osfhandle(stdout.fileno())
    if stderr is not None:
        kw['hStderr'] = msvcrt.get_osfhandle(stderr.fileno())
    child = Process(cmd, **kw)
    if child.wait(mSec) != win32event.WAIT_OBJECT_0:
        child.kill()
        raise WindowsError('process timeout exceeded')
    return child.exitCode()
winprocess.py 文件源码 项目:CodeReader 作者: jasonrbr 项目源码 文件源码 阅读 25 收藏 0 点赞 0 评论 0
def run(cmd, mSec=None, stdin=None, stdout=None, stderr=None, **kw):
    """
    Run cmd as a child process and return exit code.
    mSec:  terminate cmd after specified number of milliseconds
    stdin, stdout, stderr:
           file objects for child I/O (use hStdin etc. to attach
           handles instead of files); default is caller's stdin,
           stdout & stderr;
    kw:    see Process.__init__ for more keyword options
    """
    if stdin is not None:
        kw['hStdin'] = msvcrt.get_osfhandle(stdin.fileno())
    if stdout is not None:
        kw['hStdout'] = msvcrt.get_osfhandle(stdout.fileno())
    if stderr is not None:
        kw['hStderr'] = msvcrt.get_osfhandle(stderr.fileno())
    child = Process(cmd, **kw)
    if child.wait(mSec) != win32event.WAIT_OBJECT_0:
        child.kill()
        raise WindowsError('process timeout exceeded')
    return child.exitCode()
subprocessng.py 文件源码 项目:Eagle 作者: magerx 项目源码 文件源码 阅读 27 收藏 0 点赞 0 评论 0
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None

            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except (ValueError, NameError):
                return self._close(which)
            except (subprocess.pywintypes.error, Exception), why:
                if why[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise

            if self.universal_newlines:
                read = self._translate_newlines(read)
            return read
test_multiprocessing.py 文件源码 项目:pefile.pypy 作者: cloudtracer 项目源码 文件源码 阅读 27 收藏 0 点赞 0 评论 0
def test_fd_transfer(self):
        if self.TYPE != 'processes':
            self.skipTest("only makes sense with processes")
        conn, child_conn = self.Pipe(duplex=True)

        p = self.Process(target=self._writefd, args=(child_conn, b"foo"))
        p.daemon = True
        p.start()
        with open(test_support.TESTFN, "wb") as f:
            fd = f.fileno()
            if msvcrt:
                fd = msvcrt.get_osfhandle(fd)
            reduction.send_handle(conn, fd, p.pid)
        p.join()
        with open(test_support.TESTFN, "rb") as f:
            self.assertEqual(f.read(), b"foo")
_test_multiprocessing.py 文件源码 项目:ouroboros 作者: pybee 项目源码 文件源码 阅读 24 收藏 0 点赞 0 评论 0
def test_fd_transfer(self):
        if self.TYPE != 'processes':
            self.skipTest("only makes sense with processes")
        conn, child_conn = self.Pipe(duplex=True)

        p = self.Process(target=self._writefd, args=(child_conn, b"foo"))
        p.daemon = True
        p.start()
        self.addCleanup(test.support.unlink, test.support.TESTFN)
        with open(test.support.TESTFN, "wb") as f:
            fd = f.fileno()
            if msvcrt:
                fd = msvcrt.get_osfhandle(fd)
            reduction.send_handle(conn, fd, p.pid)
        p.join()
        with open(test.support.TESTFN, "rb") as f:
            self.assertEqual(f.read(), b"foo")
test_multiprocessing.py 文件源码 项目:ndk-python 作者: gittor 项目源码 文件源码 阅读 27 收藏 0 点赞 0 评论 0
def test_fd_transfer(self):
        if self.TYPE != 'processes':
            self.skipTest("only makes sense with processes")
        conn, child_conn = self.Pipe(duplex=True)

        p = self.Process(target=self._writefd, args=(child_conn, b"foo"))
        p.daemon = True
        p.start()
        with open(test_support.TESTFN, "wb") as f:
            fd = f.fileno()
            if msvcrt:
                fd = msvcrt.get_osfhandle(fd)
            reduction.send_handle(conn, fd, p.pid)
        p.join()
        with open(test_support.TESTFN, "rb") as f:
            self.assertEqual(f.read(), b"foo")
subprocessng.py 文件源码 项目:Helix 作者: 3lackrush 项目源码 文件源码 阅读 35 收藏 0 点赞 0 评论 0
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None

            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except (ValueError, NameError):
                return self._close(which)
            except (subprocess.pywintypes.error, Exception), why:
                if why[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise

            if self.universal_newlines:
                read = self._translate_newlines(read)
            return read
subprocessng.py 文件源码 项目:autoscan 作者: b01u 项目源码 文件源码 阅读 32 收藏 0 点赞 0 评论 0
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None

            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except (ValueError, NameError):
                return self._close(which)
            except (subprocess.pywintypes.error, Exception), why:
                if why[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise

            if self.universal_newlines:
                read = self._translate_newlines(read)
            return read
_test_multiprocessing.py 文件源码 项目:kbe_server 作者: xiaohaoppy 项目源码 文件源码 阅读 29 收藏 0 点赞 0 评论 0
def test_fd_transfer(self):
        if self.TYPE != 'processes':
            self.skipTest("only makes sense with processes")
        conn, child_conn = self.Pipe(duplex=True)

        p = self.Process(target=self._writefd, args=(child_conn, b"foo"))
        p.daemon = True
        p.start()
        self.addCleanup(test.support.unlink, test.support.TESTFN)
        with open(test.support.TESTFN, "wb") as f:
            fd = f.fileno()
            if msvcrt:
                fd = msvcrt.get_osfhandle(fd)
            reduction.send_handle(conn, fd, p.pid)
        p.join()
        with open(test.support.TESTFN, "rb") as f:
            self.assertEqual(f.read(), b"foo")
TestCmd.py 文件源码 项目:gyp 作者: electron 项目源码 文件源码 阅读 27 收藏 0 点赞 0 评论 0
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None

            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except ValueError:
                return self._close(which)
            except (subprocess.pywintypes.error, Exception), why:
                if why[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise

            #if self.universal_newlines:
            #    read = self._translate_newlines(read)
            return read
Expect.py 文件源码 项目:lib9 作者: Jumpscale 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None

            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except ValueError:
                return self._close(which)
            except (subprocess.pywintypes.error, Exception) as why:
                if why[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise

            if self.universal_newlines:
                read = self._translate_newlines(read)
            return read
forking.py 文件源码 项目:kinect-2-libras 作者: inessadl 项目源码 文件源码 阅读 38 收藏 0 点赞 0 评论 0
def __init__(self, process_obj):
            # create pipe for communication with child
            rfd, wfd = os.pipe()

            # get handle for read end of the pipe and make it inheritable
            rhandle = duplicate(msvcrt.get_osfhandle(rfd), inheritable=True)
            os.close(rfd)

            # start process
            cmd = get_command_line() + [rhandle]
            cmd = ' '.join('"%s"' % x for x in cmd)
            hp, ht, pid, tid = _subprocess.CreateProcess(
                _python_exe, cmd, None, None, 1, 0, None, None, None
                )
            ht.Close()
            close(rhandle)

            # set attributes of self
            self.pid = pid
            self.returncode = None
            self._handle = hp

            # send information to child
            prep_data = get_preparation_data(process_obj._name)
            to_child = os.fdopen(wfd, 'wb')
            Popen._tls.process_handle = int(hp)
            try:
                dump(prep_data, to_child, HIGHEST_PROTOCOL)
                dump(process_obj, to_child, HIGHEST_PROTOCOL)
            finally:
                del Popen._tls.process_handle
                to_child.close()
async_sub.py 文件源码 项目:Projects 作者: it2school 项目源码 文件源码 阅读 28 收藏 0 点赞 0 评论 0
def send(self, input):
            if not self.stdin:
                return None

            try:
                x = msvcrt.get_osfhandle(self.stdin.fileno())
                (errCode, written) = WriteFile(x, input)
            except ValueError:
                return self._close('stdin')
            except (subprocess.pywintypes.error, Exception):
                if geterror()[0] in (109, errno.ESHUTDOWN):
                    return self._close('stdin')
                raise

            return written
winutils.py 文件源码 项目:PythonForWindows 作者: hakril 项目源码 文件源码 阅读 26 收藏 0 点赞 0 评论 0
def get_handle_from_file(f):
    """Get the ``Windows`` HANDLE of a python :class:`file`"""
    return msvcrt.get_osfhandle(f.fileno())
locks.py 文件源码 项目:CodingDojo 作者: ComputerSocietyUNB 项目源码 文件源码 阅读 30 收藏 0 点赞 0 评论 0
def lock(f, flags):
        hfile = msvcrt.get_osfhandle(_fd(f))
        overlapped = OVERLAPPED()
        ret = LockFileEx(hfile, flags, 0, 0, 0xFFFF0000, byref(overlapped))
        return bool(ret)
locks.py 文件源码 项目:CodingDojo 作者: ComputerSocietyUNB 项目源码 文件源码 阅读 29 收藏 0 点赞 0 评论 0
def unlock(f):
        hfile = msvcrt.get_osfhandle(_fd(f))
        overlapped = OVERLAPPED()
        ret = UnlockFileEx(hfile, 0, 0, 0xFFFF0000, byref(overlapped))
        return bool(ret)
locks.py 文件源码 项目:NarshaTech 作者: KimJangHyeon 项目源码 文件源码 阅读 28 收藏 0 点赞 0 评论 0
def lock(f, flags):
        hfile = msvcrt.get_osfhandle(_fd(f))
        overlapped = OVERLAPPED()
        ret = LockFileEx(hfile, flags, 0, 0, 0xFFFF0000, byref(overlapped))
        return bool(ret)
locks.py 文件源码 项目:NarshaTech 作者: KimJangHyeon 项目源码 文件源码 阅读 30 收藏 0 点赞 0 评论 0
def unlock(f):
        hfile = msvcrt.get_osfhandle(_fd(f))
        overlapped = OVERLAPPED()
        ret = UnlockFileEx(hfile, 0, 0, 0xFFFF0000, byref(overlapped))
        return bool(ret)
forking.py 文件源码 项目:hostapd-mana 作者: adde88 项目源码 文件源码 阅读 36 收藏 0 点赞 0 评论 0
def __init__(self, process_obj):
            # create pipe for communication with child
            rfd, wfd = os.pipe()

            # get handle for read end of the pipe and make it inheritable
            rhandle = duplicate(msvcrt.get_osfhandle(rfd), inheritable=True)
            os.close(rfd)

            # start process
            cmd = get_command_line() + [rhandle]
            cmd = ' '.join('"%s"' % x for x in cmd)
            hp, ht, pid, tid = _subprocess.CreateProcess(
                _python_exe, cmd, None, None, 1, 0, None, None, None
                )
            ht.Close()
            close(rhandle)

            # set attributes of self
            self.pid = pid
            self.returncode = None
            self._handle = hp

            # send information to child
            prep_data = get_preparation_data(process_obj._name)
            to_child = os.fdopen(wfd, 'wb')
            Popen._tls.process_handle = int(hp)
            try:
                dump(prep_data, to_child, HIGHEST_PROTOCOL)
                dump(process_obj, to_child, HIGHEST_PROTOCOL)
            finally:
                del Popen._tls.process_handle
                to_child.close()
utils.py 文件源码 项目:Qyoutube-dl 作者: lzambella 项目源码 文件源码 阅读 23 收藏 0 点赞 0 评论 0
def _lock_file(f, exclusive):
        overlapped = OVERLAPPED()
        overlapped.Offset = 0
        overlapped.OffsetHigh = 0
        overlapped.hEvent = 0
        f._lock_file_overlapped_p = ctypes.pointer(overlapped)
        handle = msvcrt.get_osfhandle(f.fileno())
        if not LockFileEx(handle, 0x2 if exclusive else 0x0, 0,
                          whole_low, whole_high, f._lock_file_overlapped_p):
            raise OSError('Locking file failed: %r' % ctypes.FormatError())
utils.py 文件源码 项目:Qyoutube-dl 作者: lzambella 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def _unlock_file(f):
        assert f._lock_file_overlapped_p
        handle = msvcrt.get_osfhandle(f.fileno())
        if not UnlockFileEx(handle, 0,
                            whole_low, whole_high, f._lock_file_overlapped_p):
            raise OSError('Unlocking file failed: %r' % ctypes.FormatError())


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