chore: remove backup script fix_security_lints.py.bak

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Crypto Rug Munch 2026-07-08 03:37:59 +07:00
parent cfd75fd1a0
commit e784deed78

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@ -1,230 +0,0 @@
#!/usr/bin/env python3
"""Bulk-fix S110, S324, and S311 ruff violations in app/."""
from __future__ import annotations
import json
import os
import py_compile
import re
import subprocess
import sys
from pathlib import Path
ROOT = Path(__file__).resolve().parent.parent
APP = ROOT / "app"
S110_LOG_LINE = 'logging.getLogger(__name__).warning("swallowed exception", exc_info=True)'
def run_ruff(select: str) -> list[dict]:
cmd = [sys.executable, "-m", "ruff", "check", "--select", select, "--output-format", "json", str(APP)]
result = subprocess.run(cmd, capture_output=True, text=True)
if result.returncode not in (0, 1):
print(f"ruff {select} failed: {result.stderr}", file=sys.stderr)
return []
return json.loads(result.stdout or "[]")
def ensure_import(text: str, module: str) -> str:
"""Add `import module` at the top-level import block if missing."""
if re.search(rf"(?:^|\n)import\s+{re.escape(module)}(?:\s|$)", text):
return text
if re.search(rf"(?:^|\n)from\s+{re.escape(module)}\s+import", text):
return text
lines = text.splitlines(keepends=True)
insert = 0
paren = 0
for i, ln in enumerate(lines):
# track parentheses so we don't insert inside a multi-line parenthesized import
paren += ln.count("(") - ln.count(")")
if ln.startswith("#!/") or ln.startswith("# -*-") or ln.startswith("# coding"):
insert = i + 1
continue
if ln.startswith("from __future__ import"):
insert = i + 1
continue
if paren == 0 and (ln.startswith("import ") or ln.startswith("from ")):
insert = i + 1
if insert == len(lines) and lines and not lines[-1].endswith("\n"):
lines.append("\n")
lines.insert(insert, f"import {module}\n")
return "".join(lines)
def remove_import(text: str, module: str) -> str:
"""Remove a top-level `import module` line if it exists."""
lines = text.splitlines(keepends=True)
out = []
for ln in lines:
if re.match(rf"^import\s+{re.escape(module)}\s*$", ln.strip("\n")):
continue
out.append(ln)
return "".join(out)
# ---------------------------------------------------------------------------
# S110
# ---------------------------------------------------------------------------
SAME_LINE_PASS = re.compile(
r"^(?P<indent>[ \t]*)except\b(?P<expr>[^:\n]*):(?P<space>\s*)pass\s*(?:#.*)?$",
re.MULTILINE,
)
def fix_s110() -> tuple[int, int]:
errors = run_ruff("S110")
by_file: dict[str, list[int]] = {}
for e in errors:
by_file.setdefault(e["filename"], []).append(e["location"]["row"])
changed = 0
for path_str, rows in by_file.items():
path = Path(path_str)
text = path.read_text()
orig = text
lines = text.splitlines(keepends=True)
# sort rows descending so line numbers stay stable
for row in sorted(rows, reverse=True):
if row < 1 or row > len(lines):
continue
idx = row - 1
line = lines[idx]
m = SAME_LINE_PASS.match(line)
if m:
indent = m.group("indent")
expr = m.group("expr").strip()
new_lines = [f"{indent}except {expr}:\n", f"{indent} {S110_LOG_LINE}\n"]
lines[idx : idx + 1] = new_lines
continue
# multiline: find the next non-comment/blank line that is a bare pass
j = idx + 1
while j < len(lines):
content = lines[j].strip()
if content == "" or content.startswith("#"):
j += 1
continue
if content == "pass" or content.startswith("pass ") or content.startswith("pass\t"):
indent = len(lines[j]) - len(lines[j].lstrip())
lines[j] = " " * indent + S110_LOG_LINE + "\n"
break
# next executable line is not a pass; give up
break
text = "".join(lines)
# ensure logging is imported after all replacements so row indices remain valid
text = ensure_import(text, "logging")
if text != orig:
path.write_text(text)
changed += 1
return len(errors), changed
# ---------------------------------------------------------------------------
# S324
# ---------------------------------------------------------------------------
MD5_RE = re.compile(r"hashlib\.md5\s*\(")
SHA1_RE = re.compile(r"hashlib\.sha1\s*\(")
NEW_MD5_RE = re.compile(r"hashlib\.new\s*\(\s*(['\"])md5\1\s*\)")
NEW_SHA1_RE = re.compile(r"hashlib\.new\s*\(\s*(['\"])sha1\1\s*\)")
def fix_s324() -> tuple[int, int]:
errors = run_ruff("S324")
by_file: dict[str, list[dict]] = {}
for e in errors:
by_file.setdefault(e["filename"], []).append(e)
changed = 0
for path_str in by_file:
path = Path(path_str)
text = path.read_text()
orig = text
text = MD5_RE.sub("hashlib.sha256(", text)
text = SHA1_RE.sub("hashlib.sha256(", text)
text = NEW_MD5_RE.sub(r'hashlib.new(\1sha256\1)', text)
text = NEW_SHA1_RE.sub(r'hashlib.new(\1sha256\1)', text)
if text != orig:
path.write_text(text)
changed += 1
return len(errors), changed
# ---------------------------------------------------------------------------
# S311
# ---------------------------------------------------------------------------
RANDOM_CALL_RE = re.compile(r"random\.((?:random|randint|uniform|randrange))\s*\(")
RANDOM_CHOICE_RE = re.compile(r"random\.choice\s*\(")
def fix_s311() -> tuple[int, int]:
errors = run_ruff("S311")
by_file: dict[str, list[dict]] = {}
for e in errors:
by_file.setdefault(e["filename"], []).append(e)
changed = 0
for path_str in by_file:
path = Path(path_str)
text = path.read_text()
orig = text
text = RANDOM_CALL_RE.sub(r"secrets.SystemRandom().\1(", text)
text = RANDOM_CHOICE_RE.sub("secrets.choice(", text)
if text != orig:
text = ensure_import(text, "secrets")
# remove `import random` only if no other random.* calls remain
if not re.search(r"\brandom\.\w+\s*\(", text):
text = remove_import(text, "random")
path.write_text(text)
changed += 1
return len(errors), changed
# ---------------------------------------------------------------------------
# verification
# ---------------------------------------------------------------------------
def verify_changed(files: list[Path]) -> list[str]:
bad = []
for p in files:
try:
py_compile.compile(str(p), doraise=True)
except py_compile.PyCompileError as e:
bad.append(f"{p}: {e}")
return bad
def main() -> None:
os.chdir(ROOT)
s110_n, s110_files = fix_s110()
s324_n, s324_files = fix_s324()
s311_n, s311_files = fix_s311()
print(f"S110: {s110_n} errors -> touched {s110_files} files")
print(f"S324: {s324_n} errors -> touched {s324_files} files")
print(f"S311: {s311_n} errors -> touched {s311_files} files")
# compile check every touched file
changed = set()
# collect all files that were touched via git status
proc = subprocess.run(["git", "status", "--short", str(APP)], capture_output=True, text=True)
for ln in proc.stdout.splitlines():
if ln.startswith(" M ") or ln.startswith("M "):
changed.add(ROOT / ln[3:].strip())
if changed:
bad = verify_changed(list(changed))
if bad:
print("\nPY_COMPILE ERRORS:", file=sys.stderr)
for b in bad:
print(b, file=sys.stderr)
sys.exit(1)
print(f"py_compile OK for {len(changed)} changed files")
if __name__ == "__main__":
main()