1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
#!/usr/bin/env python3
"""Cross-platform checks for the optional kitty-graphics startup splash.
Pure: stdlib only, no terminal, Textual, Code Mode, or IDA.
"""
from __future__ import annotations
import builtins
import os
import sys
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
NEEDS_IDA = False
from idatui import kittygfx # noqa: E402
PASS = FAIL = 0
def check(name, ok, detail=""):
global PASS, FAIL
if ok:
PASS += 1
print(f" ok {name}")
else:
FAIL += 1
print(f" FAIL {name} {detail}")
def t_no_termios_falls_back():
"""Native Windows has no termios; the splash must simply use ANSI art."""
original_import = builtins.__import__
def without_termios(name, *args, **kwargs):
if name == "termios":
raise ModuleNotFoundError("No module named 'termios'")
return original_import(name, *args, **kwargs)
builtins.__import__ = without_termios
try:
check("missing termios disables graphics", kittygfx._query_tty(0) is False)
except Exception as exc: # the original Windows startup crash
check("missing termios does not escape", False,
f"{type(exc).__name__}: {exc}")
finally:
builtins.__import__ = original_import
def t_probe_failure_is_never_fatal():
"""Even an unexpected platform/probe error cannot prevent TUI startup."""
original_query = kittygfx._query_tty
original_stdout = sys.__stdout__
original_supported = kittygfx._supported
old_env = os.environ.pop("IDATUI_KITTY", None)
class Tty:
def isatty(self):
return True
def broken_query():
raise RuntimeError("terminal API failed")
try:
sys.__stdout__ = Tty()
kittygfx._query_tty = broken_query
kittygfx._supported = None
check("probe exception disables graphics", kittygfx.supported() is False)
check("failed result is cached", kittygfx.supported() is False)
except Exception as exc:
check("probe exception does not escape", False,
f"{type(exc).__name__}: {exc}")
finally:
kittygfx._query_tty = original_query
kittygfx._supported = original_supported
sys.__stdout__ = original_stdout
if old_env is not None:
os.environ["IDATUI_KITTY"] = old_env
def main() -> int:
for fn in (t_no_termios_falls_back, t_probe_failure_is_never_fatal):
print(f"\n{fn.__name__}")
fn()
print(f"\n{PASS} passed, {FAIL} failed")
return 1 if FAIL else 0
if __name__ == "__main__":
raise SystemExit(main())
|
