diff options
Diffstat (limited to 'Lib/_pyrepl/unix_console.py')
| -rw-r--r-- | Lib/_pyrepl/unix_console.py | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/Lib/_pyrepl/unix_console.py b/Lib/_pyrepl/unix_console.py index 2f73a59dd1f..f1a6b84adfb 100644 --- a/Lib/_pyrepl/unix_console.py +++ b/Lib/_pyrepl/unix_console.py @@ -150,6 +150,8 @@ class UnixConsole(Console): self.pollob = poll() self.pollob.register(self.input_fd, select.POLLIN) + self.input_buffer = b"" + self.input_buffer_pos = 0 curses.setupterm(term or None, self.output_fd) self.term = term @@ -197,6 +199,18 @@ class UnixConsole(Console): self.event_queue = EventQueue(self.input_fd, self.encoding) self.cursor_visible = 1 + def __read(self, n: int) -> bytes: + if not self.input_buffer or self.input_buffer_pos >= len(self.input_buffer): + self.input_buffer = os.read(self.input_fd, 10000) + + ret = self.input_buffer[self.input_buffer_pos : self.input_buffer_pos + n] + self.input_buffer_pos += len(ret) + if self.input_buffer_pos >= len(self.input_buffer): + self.input_buffer = b"" + self.input_buffer_pos = 0 + return ret + + def change_encoding(self, encoding: str) -> None: """ Change the encoding used for I/O operations. @@ -373,7 +387,7 @@ class UnixConsole(Console): while self.event_queue.empty(): while True: try: - self.push_char(os.read(self.input_fd, 1)) + self.push_char(self.__read(1)) except OSError as err: if err.errno == errno.EINTR: if not self.event_queue.empty(): @@ -491,7 +505,7 @@ class UnixConsole(Console): e.raw += e.raw amount = struct.unpack("i", ioctl(self.input_fd, FIONREAD, b"\0\0\0\0"))[0] - raw = os.read(self.input_fd, amount) + raw = self.__read(amount) data = str(raw, self.encoding, "replace") e.data += data e.raw += raw @@ -514,7 +528,7 @@ class UnixConsole(Console): e.raw += e.raw amount = 10000 - raw = os.read(self.input_fd, amount) + raw = self.__read(amount) data = str(raw, self.encoding, "replace") e.data += data e.raw += raw |