kl

Simple keylogger for Linux + X11.

Requirements

• Python 3
• xlib

Installation

Install the latest stable release with pip install kl or download kl.py (unstable) into your project directory.

CLI usage

usage: kl.py [-h] [-s SLEEP_TIME] [-t {spanish,english_usa,pt_br}] [-f FILE]
             [-l]

Examples:

Running kl.py without arguments, will print the pressed keys to stdout:

$ ./kl.py

# Type "example":

{'regular': ['e'], 'modifiers': []}
{'regular': ['x'], 'modifiers': []}
{'regular': ['a'], 'modifiers': []}
{'regular': ['m'], 'modifiers': []}
{'regular': ['p'], 'modifiers': []}
{'regular': ['l'], 'modifiers': []}
{'regular': ['e'], 'modifiers': []}

Running kl.py using the spanish transformer, and writing to a file:

./kl.py -t spanish -f /tmp/kl.log

# Type "ñandú":

$ cat /tmp/kl.log
ñ
a
n
d
´
u

Layouts

kl comes with transformers for the next keyboard layouts:

• english_usa
• spanish
• pt_br (brazilian portuguese)

Using kl as a library

kl can also be used as a library. For example:

from kl import Kl, FileHandler, SpanishTransformer

transformer = SpanishTransformer()
handler = FileHandler(open('/tmp/kl.log', mode='w', buffering=1))

kl = Kl(sleep_time=0.01, transformer=transformer, handler=handler)
kl.run()

License

MIT