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Probe more radiosonde Python environments

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This commit is contained in:
James Smith
2026-03-19 11:02:42 +00:00
parent 18b442eb21
commit fa46483dd9
1 changed files with 54 additions and 9 deletions
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63
routes/radiosonde.py
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@@ -7,15 +7,16 @@ telemetry (position, altitude, temperature, humidity, pressure) on the
from __future__ import annotations
import contextlib
import json
import os
import queue
import shutil
import socket
import subprocess
import sys
import threading
import contextlib
import json
import os
import queue
import shlex
import shutil
import socket
import subprocess
import sys
import threading
import time
from typing import Any
@@ -83,19 +84,63 @@ def find_auto_rx() -> str | None:
return None
def _resolve_shebang_interpreter(script_path: str) -> str | None:
"""Resolve a Python interpreter from a script shebang if possible."""
try:
with open(script_path, 'r', encoding='utf-8', errors='ignore') as handle:
first_line = handle.readline().strip()
except OSError:
return None
if not first_line.startswith('#!'):
return None
parts = shlex.split(first_line[2:].strip())
if not parts:
return None
if os.path.basename(parts[0]) == 'env' and len(parts) > 1:
return shutil.which(parts[1])
return parts[0]
def _resolve_pip_python(pip_bin: str | None) -> str | None:
"""Resolve the Python interpreter used by a pip executable."""
if not pip_bin:
return None
return _resolve_shebang_interpreter(pip_bin)
def _iter_auto_rx_python_candidates(auto_rx_path: str):
"""Yield plausible Python interpreters for radiosonde_auto_rx."""
auto_rx_abs = os.path.abspath(auto_rx_path)
auto_rx_dir = os.path.dirname(auto_rx_abs)
install_root = os.path.dirname(auto_rx_dir)
install_parent = os.path.dirname(install_root)
candidates = [
_resolve_shebang_interpreter(auto_rx_abs),
sys.executable,
os.path.join(install_root, 'venv', 'bin', 'python'),
os.path.join(install_root, 'venv', 'bin', 'python3'),
os.path.join(install_root, '.venv', 'bin', 'python'),
os.path.join(install_root, '.venv', 'bin', 'python3'),
os.path.join(auto_rx_dir, 'venv', 'bin', 'python'),
os.path.join(auto_rx_dir, 'venv', 'bin', 'python3'),
os.path.join(auto_rx_dir, '.venv', 'bin', 'python'),
os.path.join(auto_rx_dir, '.venv', 'bin', 'python3'),
os.path.join(install_parent, 'venv', 'bin', 'python'),
os.path.join(install_parent, 'venv', 'bin', 'python3'),
os.path.join(install_parent, '.venv', 'bin', 'python'),
os.path.join(install_parent, '.venv', 'bin', 'python3'),
_resolve_pip_python(shutil.which('pip3')),
_resolve_pip_python(shutil.which('pip')),
shutil.which('python3'),
shutil.which('python'),
'/usr/local/bin/python3',
'/usr/local/bin/python',
'/usr/bin/python3',
]
seen: set[str] = set()