diff options
Diffstat (limited to 'Python/venv1/Lib/site-packages/keyboard/_nixkeyboard.py')
| -rw-r--r-- | Python/venv1/Lib/site-packages/keyboard/_nixkeyboard.py | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/Python/venv1/Lib/site-packages/keyboard/_nixkeyboard.py b/Python/venv1/Lib/site-packages/keyboard/_nixkeyboard.py deleted file mode 100644 index d3950a1..0000000 --- a/Python/venv1/Lib/site-packages/keyboard/_nixkeyboard.py +++ /dev/null @@ -1,183 +0,0 @@ -# -*- coding: utf-8 -*- -import struct -import traceback -from time import time as now -from collections import namedtuple -from ._keyboard_event import KeyboardEvent, KEY_DOWN, KEY_UP -from ._canonical_names import all_modifiers, normalize_name -from ._nixcommon import EV_KEY, aggregate_devices, ensure_root - -# TODO: start by reading current keyboard state, as to not missing any already pressed keys. -# See: http://stackoverflow.com/questions/3649874/how-to-get-keyboard-state-in-linux - -def cleanup_key(name): - """ Formats a dumpkeys format to our standard. """ - name = name.lstrip('+') - is_keypad = name.startswith('KP_') - for mod in ('Meta_', 'Control_', 'dead_', 'KP_'): - if name.startswith(mod): - name = name[len(mod):] - - # Dumpkeys is weird like that. - if name == 'Remove': - name = 'Delete' - elif name == 'Delete': - name = 'Backspace' - - if name.endswith('_r'): - name = 'right ' + name[:-2] - if name.endswith('_l'): - name = 'left ' + name[:-2] - - - return normalize_name(name), is_keypad - -def cleanup_modifier(modifier): - modifier = normalize_name(modifier) - if modifier in all_modifiers: - return modifier - if modifier[:-1] in all_modifiers: - return modifier[:-1] - raise ValueError('Unknown modifier {}'.format(modifier)) - -""" -Use `dumpkeys --keys-only` to list all scan codes and their names. We -then parse the output and built a table. For each scan code and modifiers we -have a list of names and vice-versa. -""" -from subprocess import check_output -from collections import defaultdict -import re - -to_name = defaultdict(list) -from_name = defaultdict(list) -keypad_scan_codes = set() - -def register_key(key_and_modifiers, name): - if name not in to_name[key_and_modifiers]: - to_name[key_and_modifiers].append(name) - if key_and_modifiers not in from_name[name]: - from_name[name].append(key_and_modifiers) - -def build_tables(): - if to_name and from_name: return - ensure_root() - - modifiers_bits = { - 'shift': 1, - 'alt gr': 2, - 'ctrl': 4, - 'alt': 8, - } - keycode_template = r'^keycode\s+(\d+)\s+=(.*?)$' - dump = check_output(['dumpkeys', '--keys-only'], universal_newlines=True) - for str_scan_code, str_names in re.findall(keycode_template, dump, re.MULTILINE): - scan_code = int(str_scan_code) - for i, str_name in enumerate(str_names.strip().split()): - modifiers = tuple(sorted(modifier for modifier, bit in modifiers_bits.items() if i & bit)) - name, is_keypad = cleanup_key(str_name) - register_key((scan_code, modifiers), name) - if is_keypad: - keypad_scan_codes.add(scan_code) - register_key((scan_code, modifiers), 'keypad ' + name) - - # dumpkeys consistently misreports the Windows key, sometimes - # skipping it completely or reporting as 'alt. 125 = left win, - # 126 = right win. - if (125, ()) not in to_name or to_name[(125, ())] == 'alt': - register_key((125, ()), 'windows') - if (126, ()) not in to_name or to_name[(126, ())] == 'alt': - register_key((126, ()), 'windows') - - # The menu key is usually skipped altogether, so we also add it manually. - if (127, ()) not in to_name: - register_key((127, ()), 'menu') - - synonyms_template = r'^(\S+)\s+for (.+)$' - dump = check_output(['dumpkeys', '--long-info'], universal_newlines=True) - for synonym_str, original_str in re.findall(synonyms_template, dump, re.MULTILINE): - synonym, _ = cleanup_key(synonym_str) - original, _ = cleanup_key(original_str) - if synonym != original: - from_name[original].extend(from_name[synonym]) - from_name[synonym].extend(from_name[original]) - -device = None -def build_device(): - global device - if device: return - ensure_root() - device = aggregate_devices('kbd') - -def init(): - build_device() - build_tables() - -pressed_modifiers = set() - -def listen(callback): - build_device() - build_tables() - - while True: - time, type, code, value, device_id = device.read_event() - if type != EV_KEY: - continue - - scan_code = code - event_type = KEY_DOWN if value else KEY_UP # 0 = UP, 1 = DOWN, 2 = HOLD - - pressed_modifiers_tuple = tuple(sorted(pressed_modifiers)) - names = to_name[(scan_code, pressed_modifiers_tuple)] or to_name[(scan_code, ())] or ['unknown'] - name = names[0] - - if name in all_modifiers: - if event_type == KEY_DOWN: - pressed_modifiers.add(name) - else: - pressed_modifiers.discard(name) - - is_keypad = scan_code in keypad_scan_codes - callback(KeyboardEvent(event_type=event_type, scan_code=scan_code, name=name, time=time, device=device_id, is_keypad=is_keypad, modifiers=pressed_modifiers_tuple)) - -def write_event(scan_code, is_down): - build_device() - device.write_event(EV_KEY, scan_code, int(is_down)) - -def map_name(name): - build_tables() - for entry in from_name[name]: - yield entry - - parts = name.split(' ', 1) - if len(parts) > 1 and parts[0] in ('left', 'right'): - for entry in from_name[parts[1]]: - yield entry - -def press(scan_code): - write_event(scan_code, True) - -def release(scan_code): - write_event(scan_code, False) - -def type_unicode(character): - codepoint = ord(character) - hexadecimal = hex(codepoint)[len('0x'):] - - for key in ['ctrl', 'shift', 'u']: - scan_code, _ = next(map_name(key)) - press(scan_code) - - for key in hexadecimal: - scan_code, _ = next(map_name(key)) - press(scan_code) - release(scan_code) - - for key in ['ctrl', 'shift', 'u']: - scan_code, _ = next(map_name(key)) - release(scan_code) - -if __name__ == '__main__': - def p(e): - print(e) - listen(p) |