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author | monster <monster@ydb.tech> | 2022-07-07 14:41:37 +0300 |
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committer | monster <monster@ydb.tech> | 2022-07-07 14:41:37 +0300 |
commit | 06e5c21a835c0e923506c4ff27929f34e00761c2 (patch) | |
tree | 75efcbc6854ef9bd476eb8bf00cc5c900da436a2 /contrib/python/prompt-toolkit/py2/prompt_toolkit/terminal/win32_input.py | |
parent | 03f024c4412e3aa613bb543cf1660176320ba8f4 (diff) | |
download | ydb-06e5c21a835c0e923506c4ff27929f34e00761c2.tar.gz |
fix ya.make
Diffstat (limited to 'contrib/python/prompt-toolkit/py2/prompt_toolkit/terminal/win32_input.py')
-rw-r--r-- | contrib/python/prompt-toolkit/py2/prompt_toolkit/terminal/win32_input.py | 364 |
1 files changed, 0 insertions, 364 deletions
diff --git a/contrib/python/prompt-toolkit/py2/prompt_toolkit/terminal/win32_input.py b/contrib/python/prompt-toolkit/py2/prompt_toolkit/terminal/win32_input.py deleted file mode 100644 index 410e5fa517c..00000000000 --- a/contrib/python/prompt-toolkit/py2/prompt_toolkit/terminal/win32_input.py +++ /dev/null @@ -1,364 +0,0 @@ -from __future__ import unicode_literals -from ctypes import windll, pointer -from ctypes.wintypes import DWORD, HANDLE -from six.moves import range - -from prompt_toolkit.key_binding.input_processor import KeyPress -from prompt_toolkit.keys import Keys -from prompt_toolkit.mouse_events import MouseEventType -from prompt_toolkit.win32_types import EventTypes, KEY_EVENT_RECORD, MOUSE_EVENT_RECORD, INPUT_RECORD, STD_INPUT_HANDLE - -import msvcrt -import os -import sys -import six - -__all__ = ( - 'ConsoleInputReader', - 'raw_mode', - 'cooked_mode' -) - - -class ConsoleInputReader(object): - """ - :param recognize_paste: When True, try to discover paste actions and turn - the event into a BracketedPaste. - """ - # Keys with character data. - mappings = { - b'\x1b': Keys.Escape, - - b'\x00': Keys.ControlSpace, # Control-Space (Also for Ctrl-@) - b'\x01': Keys.ControlA, # Control-A (home) - b'\x02': Keys.ControlB, # Control-B (emacs cursor left) - b'\x03': Keys.ControlC, # Control-C (interrupt) - b'\x04': Keys.ControlD, # Control-D (exit) - b'\x05': Keys.ControlE, # Contrel-E (end) - b'\x06': Keys.ControlF, # Control-F (cursor forward) - b'\x07': Keys.ControlG, # Control-G - b'\x08': Keys.ControlH, # Control-H (8) (Identical to '\b') - b'\x09': Keys.ControlI, # Control-I (9) (Identical to '\t') - b'\x0a': Keys.ControlJ, # Control-J (10) (Identical to '\n') - b'\x0b': Keys.ControlK, # Control-K (delete until end of line; vertical tab) - b'\x0c': Keys.ControlL, # Control-L (clear; form feed) - b'\x0d': Keys.ControlJ, # Control-J NOTE: Windows sends \r instead of - # \n when pressing enter. We turn it into \n - # to be compatible with other platforms. - b'\x0e': Keys.ControlN, # Control-N (14) (history forward) - b'\x0f': Keys.ControlO, # Control-O (15) - b'\x10': Keys.ControlP, # Control-P (16) (history back) - b'\x11': Keys.ControlQ, # Control-Q - b'\x12': Keys.ControlR, # Control-R (18) (reverse search) - b'\x13': Keys.ControlS, # Control-S (19) (forward search) - b'\x14': Keys.ControlT, # Control-T - b'\x15': Keys.ControlU, # Control-U - b'\x16': Keys.ControlV, # Control-V - b'\x17': Keys.ControlW, # Control-W - b'\x18': Keys.ControlX, # Control-X - b'\x19': Keys.ControlY, # Control-Y (25) - b'\x1a': Keys.ControlZ, # Control-Z - - b'\x1c': Keys.ControlBackslash, # Both Control-\ and Ctrl-| - b'\x1d': Keys.ControlSquareClose, # Control-] - b'\x1e': Keys.ControlCircumflex, # Control-^ - b'\x1f': Keys.ControlUnderscore, # Control-underscore (Also for Ctrl-hypen.) - b'\x7f': Keys.Backspace, # (127) Backspace - } - - # Keys that don't carry character data. - keycodes = { - # Home/End - 33: Keys.PageUp, - 34: Keys.PageDown, - 35: Keys.End, - 36: Keys.Home, - - # Arrows - 37: Keys.Left, - 38: Keys.Up, - 39: Keys.Right, - 40: Keys.Down, - - 45: Keys.Insert, - 46: Keys.Delete, - - # F-keys. - 112: Keys.F1, - 113: Keys.F2, - 114: Keys.F3, - 115: Keys.F4, - 116: Keys.F5, - 117: Keys.F6, - 118: Keys.F7, - 119: Keys.F8, - 120: Keys.F9, - 121: Keys.F10, - 122: Keys.F11, - 123: Keys.F12, - } - - LEFT_ALT_PRESSED = 0x0002 - RIGHT_ALT_PRESSED = 0x0001 - SHIFT_PRESSED = 0x0010 - LEFT_CTRL_PRESSED = 0x0008 - RIGHT_CTRL_PRESSED = 0x0004 - - def __init__(self, recognize_paste=True): - self._fdcon = None - self.recognize_paste = recognize_paste - - # When stdin is a tty, use that handle, otherwise, create a handle from - # CONIN$. - if sys.stdin.isatty(): - self.handle = HANDLE(windll.kernel32.GetStdHandle(STD_INPUT_HANDLE)) - else: - self._fdcon = os.open('CONIN$', os.O_RDWR | os.O_BINARY) - self.handle = HANDLE(msvcrt.get_osfhandle(self._fdcon)) - - def close(self): - " Close fdcon. " - if self._fdcon is not None: - os.close(self._fdcon) - - def read(self): - """ - Return a list of `KeyPress` instances. It won't return anything when - there was nothing to read. (This function doesn't block.) - - http://msdn.microsoft.com/en-us/library/windows/desktop/ms684961(v=vs.85).aspx - """ - max_count = 2048 # Max events to read at the same time. - - read = DWORD(0) - arrtype = INPUT_RECORD * max_count - input_records = arrtype() - - # Get next batch of input event. - windll.kernel32.ReadConsoleInputW( - self.handle, pointer(input_records), max_count, pointer(read)) - - # First, get all the keys from the input buffer, in order to determine - # whether we should consider this a paste event or not. - all_keys = list(self._get_keys(read, input_records)) - - if self.recognize_paste and self._is_paste(all_keys): - gen = iter(all_keys) - for k in gen: - # Pasting: if the current key consists of text or \n, turn it - # into a BracketedPaste. - data = [] - while k and (isinstance(k.key, six.text_type) or - k.key == Keys.ControlJ): - data.append(k.data) - try: - k = next(gen) - except StopIteration: - k = None - - if data: - yield KeyPress(Keys.BracketedPaste, ''.join(data)) - if k is not None: - yield k - else: - for k in all_keys: - yield k - - def _get_keys(self, read, input_records): - """ - Generator that yields `KeyPress` objects from the input records. - """ - for i in range(read.value): - ir = input_records[i] - - # Get the right EventType from the EVENT_RECORD. - # (For some reason the Windows console application 'cmder' - # [http://gooseberrycreative.com/cmder/] can return '0' for - # ir.EventType. -- Just ignore that.) - if ir.EventType in EventTypes: - ev = getattr(ir.Event, EventTypes[ir.EventType]) - - # Process if this is a key event. (We also have mouse, menu and - # focus events.) - if type(ev) == KEY_EVENT_RECORD and ev.KeyDown: - for key_press in self._event_to_key_presses(ev): - yield key_press - - elif type(ev) == MOUSE_EVENT_RECORD: - for key_press in self._handle_mouse(ev): - yield key_press - - @staticmethod - def _is_paste(keys): - """ - Return `True` when we should consider this list of keys as a paste - event. Pasted text on windows will be turned into a - `Keys.BracketedPaste` event. (It's not 100% correct, but it is probably - the best possible way to detect pasting of text and handle that - correctly.) - """ - # Consider paste when it contains at least one newline and at least one - # other character. - text_count = 0 - newline_count = 0 - - for k in keys: - if isinstance(k.key, six.text_type): - text_count += 1 - if k.key == Keys.ControlJ: - newline_count += 1 - - return newline_count >= 1 and text_count > 1 - - def _event_to_key_presses(self, ev): - """ - For this `KEY_EVENT_RECORD`, return a list of `KeyPress` instances. - """ - assert type(ev) == KEY_EVENT_RECORD and ev.KeyDown - - result = None - - u_char = ev.uChar.UnicodeChar - ascii_char = u_char.encode('utf-8') - - # NOTE: We don't use `ev.uChar.AsciiChar`. That appears to be latin-1 - # encoded. See also: - # https://github.com/ipython/ipython/issues/10004 - # https://github.com/jonathanslenders/python-prompt-toolkit/issues/389 - - if u_char == '\x00': - if ev.VirtualKeyCode in self.keycodes: - result = KeyPress(self.keycodes[ev.VirtualKeyCode], '') - else: - if ascii_char in self.mappings: - if self.mappings[ascii_char] == Keys.ControlJ: - u_char = '\n' # Windows sends \n, turn into \r for unix compatibility. - result = KeyPress(self.mappings[ascii_char], u_char) - else: - result = KeyPress(u_char, u_char) - - # Correctly handle Control-Arrow keys. - if (ev.ControlKeyState & self.LEFT_CTRL_PRESSED or - ev.ControlKeyState & self.RIGHT_CTRL_PRESSED) and result: - if result.key == Keys.Left: - result.key = Keys.ControlLeft - - if result.key == Keys.Right: - result.key = Keys.ControlRight - - if result.key == Keys.Up: - result.key = Keys.ControlUp - - if result.key == Keys.Down: - result.key = Keys.ControlDown - - # Turn 'Tab' into 'BackTab' when shift was pressed. - if ev.ControlKeyState & self.SHIFT_PRESSED and result: - if result.key == Keys.Tab: - result.key = Keys.BackTab - - # Turn 'Space' into 'ControlSpace' when control was pressed. - if (ev.ControlKeyState & self.LEFT_CTRL_PRESSED or - ev.ControlKeyState & self.RIGHT_CTRL_PRESSED) and result and result.data == ' ': - result = KeyPress(Keys.ControlSpace, ' ') - - # Turn Control-Enter into META-Enter. (On a vt100 terminal, we cannot - # detect this combination. But it's really practical on Windows.) - if (ev.ControlKeyState & self.LEFT_CTRL_PRESSED or - ev.ControlKeyState & self.RIGHT_CTRL_PRESSED) and result and \ - result.key == Keys.ControlJ: - return [KeyPress(Keys.Escape, ''), result] - - # Return result. If alt was pressed, prefix the result with an - # 'Escape' key, just like unix VT100 terminals do. - - # NOTE: Only replace the left alt with escape. The right alt key often - # acts as altgr and is used in many non US keyboard layouts for - # typing some special characters, like a backslash. We don't want - # all backslashes to be prefixed with escape. (Esc-\ has a - # meaning in E-macs, for instance.) - if result: - meta_pressed = ev.ControlKeyState & self.LEFT_ALT_PRESSED - - if meta_pressed: - return [KeyPress(Keys.Escape, ''), result] - else: - return [result] - - else: - return [] - - def _handle_mouse(self, ev): - """ - Handle mouse events. Return a list of KeyPress instances. - """ - FROM_LEFT_1ST_BUTTON_PRESSED = 0x1 - - result = [] - - # Check event type. - if ev.ButtonState == FROM_LEFT_1ST_BUTTON_PRESSED: - # On a key press, generate both the mouse down and up event. - for event_type in [MouseEventType.MOUSE_DOWN, MouseEventType.MOUSE_UP]: - data = ';'.join([ - event_type, - str(ev.MousePosition.X), - str(ev.MousePosition.Y) - ]) - result.append(KeyPress(Keys.WindowsMouseEvent, data)) - - return result - - -class raw_mode(object): - """ - :: - - with raw_mode(stdin): - ''' the windows terminal is now in 'raw' mode. ''' - - The ``fileno`` attribute is ignored. This is to be compatble with the - `raw_input` method of `.vt100_input`. - """ - def __init__(self, fileno=None): - self.handle = HANDLE(windll.kernel32.GetStdHandle(STD_INPUT_HANDLE)) - - def __enter__(self): - # Remember original mode. - original_mode = DWORD() - windll.kernel32.GetConsoleMode(self.handle, pointer(original_mode)) - self.original_mode = original_mode - - self._patch() - - def _patch(self): - # Set raw - ENABLE_ECHO_INPUT = 0x0004 - ENABLE_LINE_INPUT = 0x0002 - ENABLE_PROCESSED_INPUT = 0x0001 - - windll.kernel32.SetConsoleMode( - self.handle, self.original_mode.value & - ~(ENABLE_ECHO_INPUT | ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT)) - - def __exit__(self, *a, **kw): - # Restore original mode - windll.kernel32.SetConsoleMode(self.handle, self.original_mode) - - -class cooked_mode(raw_mode): - """ - :: - - with cooked_mode(stdin): - ''' the pseudo-terminal stdin is now used in raw mode ''' - """ - def _patch(self): - # Set cooked. - ENABLE_ECHO_INPUT = 0x0004 - ENABLE_LINE_INPUT = 0x0002 - ENABLE_PROCESSED_INPUT = 0x0001 - - windll.kernel32.SetConsoleMode( - self.handle, self.original_mode.value | - (ENABLE_ECHO_INPUT | ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT)) |