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import os
import pathlib
import subprocess
import sys
import time
import typing as t
import pytest
from playsound3 import AVAILABLE_BACKENDS
from playsound3.playsound3 import _prepare_path
loc_mp3_3s = "tests/sounds/sample3s.mp3"
loc_flc_3s = "tests/sounds/sample3s.flac"
web_wav_3s = "https://samplelib.com/lib/preview/wav/sample-3s.wav"
# Download web files to the local cache
for url in [web_wav_3s]:
_prepare_path(url)
def get_supported_sounds(backend: str):
not_supporting_flac = ["alsa", "winmm"]
if backend in not_supporting_flac:
return [loc_mp3_3s, web_wav_3s]
else:
return [loc_mp3_3s, loc_flc_3s, web_wav_3s]
def _iter_pids() -> t.Iterable[int]:
proc = pathlib.Path("/proc")
for p in proc.iterdir():
if p.name.isdigit():
yield int(p.name)
def _read_file(path: pathlib.Path) -> bytes:
try:
return path.read_bytes()
except Exception:
return b""
def list_tagged_player_pids(tag: str) -> t.List[int]:
"""Return PIDs whose environ contains TAG=<tag>"""
pids = []
for pid in _iter_pids():
base = pathlib.Path(f"/proc/{pid}")
env = _read_file(base / "environ")
if not env:
continue
# /proc/<pid>/environ is NUL-separated key=val entries
if f"PLAYSOUND_TEST_TAG={tag}".encode() not in env.split(b"\x00"):
continue
cmdline = _read_file(base / "cmdline").replace(b"\x00", b" ").lower()
if not cmdline:
continue
pids.append(pid)
return pids
HELPER_CODE = """
import os, sys, time
from playsound3 import playsound
sound = playsound({path!r}, block=False, backend={backend!r})
time.sleep(10)
"""
@pytest.mark.skipif(sys.platform != "linux", reason="Linux-only: relies on /proc and PDEATHSIG semantics")
def test_killing_parent():
TAG = "__test_killing_tag"
for backend in AVAILABLE_BACKENDS:
for path in get_supported_sounds(backend):
assert len(list_tagged_player_pids(TAG)) == 0
code = HELPER_CODE.format(path=path, backend=backend)
environ = os.environ.copy()
environ["PLAYSOUND_TEST_TAG"] = TAG
proc = subprocess.Popen(["python", "-c", code], env=environ)
time.sleep(2.5)
assert len(list_tagged_player_pids(TAG)) == 2
proc.kill()
assert len(list_tagged_player_pids(TAG)) == 0
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