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Showing a usage in Python.

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Julien Palard 2016-03-03 09:46:08 +01:00
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@ -17,10 +17,58 @@ directory or in the files of the source tree.
## Python module
You'll need `swig`, so `apt-get install swig` or whatever works for you.
Run:
$ make python_module && su -c 'python setup.py install'
# Usage using the python wrapper (same methods in C)
```
>>> import hl_vt100
>>> import threading
>>> class Top:
... def __init__(self):
... self.vt100 = hl_vt100.vt100_headless()
... self.vt100.fork('top', ['top'])
...
... def __call__(self):
... self.vt100.main_loop()
...
... def __str__(self):
... return "\n".join(self.vt100.getlines())
...
>>> top = Top()
>>> thread = threading.Thread(target=top)
>>> thread.start()
>>> print(top)
top - 09:42:43 up 332 days, 23:42, 14 users, load average: 3.08, 3.41, 3.52
KiB Mem: 16443168 total, 15865172 used, 577996 free, 1141216 buffers
KiB Swap: 999420 total, 669960 used, 329460 free. 6097952 cached Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
24237 nobody 20 0 1041352 348040 39116 R 78.8 2.1 142:18.54 redacted
24078 nobody 20 0 1152024 382592 38948 R 25.8 2.3 355:44.85 for
24892 nobody 20 0 1182408 434560 40276 S 21.1 2.6 394:06.48 privacy
24472 nobody 20 0 1153196 380712 39000 S 20.3 2.3 410:51.64 ayah
23617 nobody 20 0 170048 100072 6376 S 19.5 0.6 8:36.66 python
23646 nobody 20 0 1095252 367128 39916 R 17.9 2.2 353:48.65 you
23505 nobody 20 0 1159452 377948 38920 S 17.2 2.3 364:29.40 wont
24757 nobody 20 0 943848 216084 40028 R 15.6 1.3 231:10.38 know
23894 nobody 20 0 885740 166600 38724 S 13.3 1.0 195:48.99 what
24689 nobody 20 0 901152 183240 39780 S 13.3 1.1 192:50.13 eats
24820 nobody 20 0 937712 232392 39496 S 13.3 1.4 215:25.32 my_cpu
3117 nobody 20 0 402568 351740 5912 S 3.1 2.1 0:03.72 python
3122 mandark 20 0 27052 3040 1184 R 3.1 0.0 0:00.34 top
23796 nobody 20 0 1069940 347252 39156 S 3.1 2.1 190:37.78 probably
23503 nobody 20 0 903592 268248 38360 S 1.6 1.6 75:54.32 somethign
5169 root 20 0 0 0 0 S 0.8 0.0 45:05.66 kworker/0:1
15324 root 20 0 63848 9768 1628 S 0.8 0.1 437:02.99 supervisord
16382 root 20 0 0 0 0 S 0.8 0.0 11:29.88 kworker/2:0
18278 root 20 0 0 0 0 S 0.8 0.0 184:02.23 kworker/1:0
```
# Code overview
lw_terminal_parser, lw_terminal_vt100, and hl_vt100 are three modules used to emulate a vt100 terminal: