init commit
evan
7 years ago
commit
1daaa1e3fe
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**/*.pyc
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dist/
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remarkable_mouse.egg-info
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**/__pycache__
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# remarkable_mouse
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Use your reMarkable as a graphics tablet.
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Special thanks to [canselcik](https://github.com/canselcik/libremarkable) and [LinusCDE](https://github.com/LinusCDE/rmWacomToMouse) for inspiration.
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# Usage
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``` bash
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pip install remarkable-mouse
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remouse
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```
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By default, `10.11.99.1` is used as the address. Seems to work pretty well wirelessly, too.
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# Passwordless login
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``` bash
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ssh-keygen -f ~/.ssh/remarkable -N ''
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ssh-copy-id -i ~/.ssh/remarkable.pub root@10.11.99.1
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remouse --key ~/.ssh/remarkable
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```
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#!/bin/env python
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# Evan Widloski - 2019-02-23
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# Use reMarkable as mouse input
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import argparse
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import logging
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import os
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import sys
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import struct
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from getpass import getpass
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import paramiko
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from screeninfo import get_monitors
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from pynput.mouse import Button, Controller
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EV_SYNC = 0
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EV_KEY = 1
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EV_ABS = 3
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WACOM_EVCODE_PRESSURE = 24
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WACOM_EVCODE_DISTANCE = 25
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WACOM_EVCODE_XTILT = 26
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WACOM_EVCODE_YTILT = 27
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WACOM_EVCODE_XPOS = 0
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WACOM_EVCODE_YPOS = 1
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wacom_width = 15725
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wacom_height = 20951
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wacom_click_pressure_min = 1000
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screen_width = 675
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screen_height = 900
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mouse = Controller()
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logging.basicConfig(format='%(message)s')
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log = logging.getLogger(__name__)
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# remap wacom coordinates in various orientations
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def fit(x, y, wacom_width, wacom_height, monitor, orientation):
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if orientation == 'vertical':
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y = wacom_height - y
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elif orientation == 'right':
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x, y = y, x
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wacom_width, wacom_height = wacom_height, wacom_width
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elif orientation == 'left':
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x, y = wacom_height - y, wacom_width - x
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wacom_width, wacom_height = wacom_height, wacom_width
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ratio_width, ratio_height = monitor.width / wacom_width, monitor.height / wacom_height
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scaling = ratio_width if ratio_width > ratio_height else ratio_height
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return (
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scaling * (x - (wacom_width - monitor.width / scaling) / 2),
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scaling * (y - (wacom_height - monitor.height / scaling) / 2)
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)
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def open_eventfile(args):
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"""ssh to reMarkable and open event0"""
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if args.key is not None:
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password = None
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try:
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pkey = paramiko.RSAKey.from_private_key_file(os.path.expanduser(args.key))
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except paramiko.ssh_exception.PasswordRequiredException:
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passphrase = getpass(
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"Enter passphrase for key '{}': ".format(os.path.expanduser(args.key))
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)
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pkey = paramiko.RSAKey.from_private_key_file(
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os.path.expanduser(args.key),
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password=passphrase
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)
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else:
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password = getpass(
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"Password for '{}': ".format(args.address)
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)
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pkey = None
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client = paramiko.SSHClient()
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client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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client.connect(
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args.address,
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username='root',
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password=password,
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pkey=pkey,
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look_for_keys=False
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)
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# Start reading events
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_, stdout, _ = client.exec_command('cat /dev/input/event0')
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return stdout
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def read_tablet(args):
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"""Loop forever and map evdev events to mouse"""
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updates_since_pressure = 0
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new_x = new_y = False
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monitor = get_monitors()[args.monitor]
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log.debug('Chose monitor: {}'.format(monitor))
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stdout = open_eventfile(args)
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while True:
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_, _, _, _, e_type, e_code, e_value = struct.unpack('4IHHI', stdout.read(24))
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if e_type == EV_ABS:
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# handle x direction
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if e_code == WACOM_EVCODE_YPOS:
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log.debug(f'{e_value}')
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x = e_value
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new_x = True
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updates_since_pressure += 1
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# handle y direction
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if e_code == WACOM_EVCODE_XPOS:
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log.debug(f'\t{e_value}')
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updates_since_pressure += 1
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y = e_value
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new_y = True
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# handle draw
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if e_code == WACOM_EVCODE_PRESSURE:
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log.debug(f'\t\t{e_value}')
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updates_since_pressure = 0
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if e_value > 1000:
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mouse.press(Button.left)
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else:
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mouse.release(Button.left)
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# FIXME: bug
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# sometimes the last detected pressure is above threshold
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# make sure pen doesnt get stuck down
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if updates_since_pressure > 8:
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updates_since_pressure = 0
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mouse.release(Button.left)
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# only move when x and y are updated for smoother mouse
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if new_x and new_y:
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x, y = fit(x, y, wacom_width, wacom_height, monitor, args.orientation)
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mouse.move(
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monitor.x + x - mouse.position[0],
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monitor.y + y - mouse.position[1]
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)
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count = 0
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new_x = new_y = False
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def main():
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parser = argparse.ArgumentParser(description="use reMarkable tablet as a mouse input")
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parser.add_argument('--orientation', default='left', choices=['vertical', 'left', 'right'])
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parser.add_argument('--monitor', default=0, type=int, metavar='NUM', help="monitor to use")
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parser.add_argument('--offset', default=(0, 0), type=int, metavar=('x', 'y'), nargs=2, help="offset mapped region on monitor")
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parser.add_argument('--debug', action='store_true', default=False, help="enable debug messages")
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parser.add_argument('--key', type=str, metavar='PATH', help="ssh private key")
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parser.add_argument('--password', default=None, type=str, help="ssh password")
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parser.add_argument('--address', default='10.11.99.1', type=str, help="device address")
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args = parser.parse_args()
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if args.debug:
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print('Debugging enabled...')
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logging.getLogger('').setLevel(logging.DEBUG)
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log.setLevel(logging.DEBUG)
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read_tablet(args)
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if __name__ == '__main__':
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try:
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main()
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except KeyboardInterrupt:
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pass
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@ -0,0 +1 @@
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__version__ = '1'
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@ -0,0 +1,29 @@
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from setuptools import setup
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from remarkable_mouse import version
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setup(
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name='remarkable-mouse',
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version=version.__version__,
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packages=['remarkable_mouse'],
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author="Evan Widloski",
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author_email="evan@evanw.org",
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description="use reMarkable as a graphics tablet",
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long_description=open('README.md').read(),
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license="GPLv3",
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keywords="remarkable tablet evdev",
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url="https://github.com/evidlo/remarkable_mouse",
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entry_points={
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'console_scripts': [
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'remarkable-mouse = remarkable_mouse.remarkable_mouse:main',
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'remouse = remarkable_mouse.remarkable_mouse:main'
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]
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},
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install_requires=[
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'paramiko',
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'screeninfo',
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'pynput'
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],
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classifiers=[
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"Programming Language :: Python :: 3",
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]
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)
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