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Copy pathcheck_roles.py
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142 lines (122 loc) · 4.43 KB
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#!/usr/bin/env python3
"""
check_roles.py — Vergleicht Sphinx-Rollen (:ref:, :term:, :class:, :func:, ...)
zwischen msgid und msgstr in .po-Dateien, um Inkonsistenzen zu finden, OHNE
dass ein kompletter Sphinx-Build nötig ist. Erkennt dieselbe Fehlerklasse wie
Sphinxs 'i18n.inconsistent_references', plus zusätzliche Muster
(fehlende/überzählige Rollen, falsche Ziele).
"""
import re
import sys
from pathlib import Path
ROLE_RE = re.compile(r":([a-zA-Z][\w-]*):`([^`]+)`")
def normalize_target(content: str) -> str:
content = content.strip()
m = re.match(r"^(.*)<([^<>]+)>$", content)
if m:
return m.group(2).strip()
return content
ROLES_WITHOUT_FIXED_TARGET = {"dfn"}
def extract_roles(text: str) -> list[tuple[str, str]]:
roles = []
for role, content in ROLE_RE.findall(text):
if role in ROLES_WITHOUT_FIXED_TARGET:
continue
roles.append((role, normalize_target(content)))
return sorted(roles)
def parse_po_entries(path: Path):
lines = path.read_text(encoding="utf-8", errors="replace").split("\n")
i = 0
entries = []
while i < len(lines):
line = lines[i]
if line.startswith("#~"):
i += 1
continue
is_fuzzy = False
while i < len(lines) and lines[i].startswith("#"):
if ", fuzzy" in lines[i]:
is_fuzzy = True
i += 1
if i >= len(lines) or not lines[i].startswith("msgid"):
i += 1
continue
msgid_lineno = i + 1
msgid_parts = []
m = re.match(r'msgid\s+"(.*)"$', lines[i])
if m:
msgid_parts.append(m.group(1))
i += 1
while i < len(lines) and lines[i].startswith('"'):
msgid_parts.append(lines[i].strip()[1:-1])
i += 1
if i >= len(lines) or not lines[i].startswith("msgstr"):
continue
msgstr_parts = []
m = re.match(r'msgstr\s+"(.*)"$', lines[i])
if m:
msgstr_parts.append(m.group(1))
i += 1
while i < len(lines) and lines[i].startswith('"'):
msgstr_parts.append(lines[i].strip()[1:-1])
i += 1
msgid = "".join(msgid_parts)
msgstr = "".join(msgstr_parts)
entries.append((msgid_lineno, msgid, msgstr, is_fuzzy))
return entries
def check_file(path: Path) -> list[str]:
findings = []
try:
entries = parse_po_entries(path)
except Exception as e:
return [f" [Parse-Fehler] {e}"]
for lineno, msgid, msgstr, is_fuzzy in entries:
if is_fuzzy or not msgstr or not msgid:
continue
orig_roles = extract_roles(msgid)
trans_roles = extract_roles(msgstr)
if orig_roles != trans_roles:
missing = [r for r in orig_roles if r not in trans_roles]
extra = [r for r in trans_roles if r not in orig_roles]
parts = []
if missing:
parts.append(f"fehlt: {missing}")
if extra:
parts.append(f"zusätzlich/falsch: {extra}")
findings.append(f" Zeile ~{lineno}: {', '.join(parts)}")
return findings
def main():
if len(sys.argv) < 2:
print("Nutzung: check_roles.py <verzeichnis-oder-datei> [--exclude dir1,dir2]")
sys.exit(1)
root = Path(sys.argv[1])
excludes = set()
if "--exclude" in sys.argv:
idx = sys.argv.index("--exclude")
excludes = set(sys.argv[idx + 1].split(","))
if root.is_file():
po_files = [root]
else:
po_files = sorted(
p for p in root.rglob("*.po")
if not excludes.intersection(p.relative_to(root).parts)
)
total_findings = 0
files_with_findings = 0
for po_file in po_files:
findings = check_file(po_file)
if findings:
files_with_findings += 1
total_findings += len(findings)
rel = po_file.relative_to(root) if root.is_dir() else po_file
print(f"\n{rel}")
for f in findings:
print(f)
print(f"\n{'=' * 60}")
print(f"{total_findings} mögliche Rollen-Inkonsistenz(en) in {files_with_findings} "
f"von {len(po_files)} Dateien gefunden.")
print("Hinweis: Das ist eine Heuristik (Textvergleich, kein echter Sphinx-Build) "
"-> bitte jeden Fund manuell gegenprüfen, es können auch Fehlalarme dabei sein.")
sys.exit(1 if total_findings else 0)
if __name__ == "__main__":
main()