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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
"""Platform-specific paths and tool resolution for meshbay-node."""
import asyncio
import os
import shutil
import sys
from pathlib import Path
# ── Console ──────────────────────────────────────────────────────────────────
def force_utf8_stdio() -> None:
"""
Make stdout/stderr UTF-8. A Windows console is cp1252 by default, so any
``print()`` carrying a character outside it — the ``->`` arrows and em
dashes the CLI help and messages are full of — raises UnicodeEncodeError
and takes the command down with it. No effect where the streams are
already UTF-8 or cannot be reconfigured.
"""
for stream in (sys.stdout, sys.stderr):
try:
stream.reconfigure(encoding="utf-8")
except (AttributeError, ValueError, OSError):
pass
# ── Event loop ───────────────────────────────────────────────────────────────
def configure_event_loop() -> None:
"""
The daemon runs on Windows' default ProactorEventLoop: verified end to end
(a live browser peer connecting, an index sync, a file download and an
ffmpeg-transcoded video stream). aiortc only ever hangs on it in the
*same-process loopback* the tests use, which the test suite handles on its
own (repo-root conftest).
Escape hatch, opt-in only: MESHBAY_NODE_EVENT_LOOP=selector switches to the
SelectorEventLoop. That fixes aiortc-in-one-process but breaks ffmpeg
(SelectorEventLoop cannot spawn subprocesses on Windows), so it is not the
default and probably never should be.
"""
if sys.platform != "win32":
return
if os.environ.get("MESHBAY_NODE_EVENT_LOOP", "").lower() == "selector":
asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
# ── Directories ──────────────────────────────────────────────────────────────
def config_dir() -> Path:
if sys.platform == "win32":
return Path(os.environ.get("LOCALAPPDATA") or Path.home()) / "meshbay"
return Path.home() / ".config" / "meshbay"
def data_dir() -> Path:
if sys.platform == "win32":
return Path(os.environ.get("LOCALAPPDATA") or Path.home()) / "meshbay" / "data"
return Path.home() / ".local" / "share" / "meshbay"
def state_dir() -> Path:
if sys.platform == "win32":
return Path(os.environ.get("LOCALAPPDATA") or Path.home()) / "meshbay" / "state"
return Path.home() / ".local" / "state" / "meshbay"
# ── File permissions ─────────────────────────────────────────────────────────
def chmod_private(path: Path, *, mode: int = 0o600) -> None:
"""Set restrictive permissions on a file. No-op on Windows (NTFS ignores mode bits)."""
if sys.platform != "win32":
path.chmod(mode)
# ── Media tools ──────────────────────────────────────────────────────────────
_ffmpeg_path: str = "ffmpeg"
_ffprobe_path: str = "ffprobe"
def check_media_tools(
ffmpeg: str = "ffmpeg", ffprobe: str = "ffprobe",
) -> None:
"""Resolve ffmpeg/ffprobe at daemon startup. Raises RuntimeError if not found."""
global _ffmpeg_path, _ffprobe_path
resolved = shutil.which(ffmpeg)
if not resolved:
raise RuntimeError(
f"{ffmpeg!r} not found in PATH. "
"Install ffmpeg or set [node] ffmpeg_path in node.toml."
)
_ffmpeg_path = resolved
resolved = shutil.which(ffprobe)
if not resolved:
raise RuntimeError(
f"{ffprobe!r} not found in PATH. "
"Install ffmpeg or set [node] ffprobe_path in node.toml."
)
_ffprobe_path = resolved
def ffmpeg_cmd() -> str:
return _ffmpeg_path
def ffprobe_cmd() -> str:
return _ffprobe_path
|