dekun
ef4b2f17ca
P1-P4: configurable nav/section visibility in system settings, full .env editor with restart badges, password change, runtime hot overrides, and single-instance pm2 restart. Works in hub embed iframe. Co-authored-by: Cursor <cursoragent@cursor.com>
122 lines
3.6 KiB
Python
122 lines
3.6 KiB
Python
"""读写实例目录 .env（行级 upsert，原子落盘）。"""
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from __future__ import annotations
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import os
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import re
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import tempfile
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from typing import Optional
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_KEY_LINE = re.compile(r"^(\s*)([A-Za-z_][A-Za-z0-9_]*)\s*=\s*(.*)\s*$")
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def parse_env_lines(text: str) -> list[str]:
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return text.replace("\r\n", "\n").replace("\r", "\n").splitlines()
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def read_env_lines(path: str) -> list[str]:
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if not os.path.isfile(path):
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return []
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with open(path, "r", encoding="utf-8", errors="ignore") as f:
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return parse_env_lines(f.read())
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def env_get(lines: list[str], key: str) -> Optional[str]:
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for line in lines:
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m = _KEY_LINE.match(line)
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if m and m.group(2) == key:
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raw = m.group(3).strip()
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if (raw.startswith('"') and raw.endswith('"')) or (raw.startswith("'") and raw.endswith("'")):
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return raw[1:-1]
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return raw
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return None
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def env_get_all(lines: list[str]) -> dict[str, str]:
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out: dict[str, str] = {}
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for line in lines:
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m = _KEY_LINE.match(line)
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if m:
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key = m.group(2)
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raw = m.group(3).strip()
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if (raw.startswith('"') and raw.endswith('"')) or (raw.startswith("'") and raw.endswith("'")):
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out[key] = raw[1:-1]
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else:
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out[key] = raw
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return out
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def upsert_env_line(lines: list[str], key: str, value: str) -> list[str]:
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pat = re.compile(r"^\s*" + re.escape(key) + r"\s*=")
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out: list[str] = []
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replaced = False
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safe = value if value is not None else ""
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if any(c in safe for c in (' ', '#', '"', "'")):
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safe = '"' + safe.replace("\\", "\\\\").replace('"', '\\"') + '"'
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new_line = f"{key}={safe}"
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for line in lines:
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if pat.match(line):
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if not replaced:
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out.append(new_line)
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replaced = True
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continue
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out.append(line)
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if not replaced:
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if out and out[-1].strip():
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out.append("")
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out.append(new_line)
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return out
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def write_env_lines_atomic(path: str, lines: list[str]) -> None:
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directory = os.path.dirname(os.path.abspath(path)) or "."
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os.makedirs(directory, exist_ok=True)
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fd, tmp = tempfile.mkstemp(prefix=".env.", dir=directory, text=True)
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try:
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with os.fdopen(fd, "w", encoding="utf-8", newline="\n") as f:
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f.write("\n".join(lines))
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if lines:
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f.write("\n")
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os.replace(tmp, path)
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finally:
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if os.path.exists(tmp):
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try:
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os.remove(tmp)
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except OSError:
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pass
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def apply_env_updates(path: str, updates: dict[str, str]) -> list[str]:
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lines = read_env_lines(path)
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changed: list[str] = []
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for key, value in updates.items():
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if value is None:
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continue
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old = env_get(lines, key)
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if old == value:
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continue
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lines = upsert_env_line(lines, key, value)
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changed.append(key)
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if changed:
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write_env_lines_atomic(path, lines)
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return changed
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def load_env_file_into_environ(path: str) -> None:
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if not os.path.exists(path):
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return
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with open(path, "r", encoding="utf-8", errors="ignore") as f:
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text = f.read()
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if text.startswith("\ufeff"):
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text = text[1:]
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for line in parse_env_lines(text):
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s = line.strip()
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if not s or s.startswith("#"):
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continue
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if "=" not in s:
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continue
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k, _, v = s.partition("=")
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clean_key = k.strip()
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clean_val = v.strip().strip('"').strip("'")
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if clean_key:
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os.environ[clean_key] = clean_val
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