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from __future__ import annotations
from PyQt6.QtCore import QObject, QProcess, pyqtSignal
from pathlib import Path
class TranslationWorker(QObject):
log_line = pyqtSignal(str)
finished = pyqtSignal(bool, str) # success, output_path
error = pyqtSignal(str)
def __init__(self, transart_script: Path, article_path: Path, direction: str, parent=None):
super().__init__(parent)
self._script = transart_script
self._article_path = article_path
self._direction = direction # e.g. "it-en" or "en-it"
self._process = QProcess(self)
self._process.readyReadStandardOutput.connect(self._on_stdout)
self._process.readyReadStandardError.connect(self._on_stderr)
self._process.finished.connect(self._on_finished)
def start(self):
self._process.start("python3", [
str(self._script),
"--direction", self._direction,
str(self._article_path),
])
def _on_stdout(self):
data = self._process.readAllStandardOutput().data().decode("utf-8", errors="replace")
for line in data.splitlines():
self.log_line.emit(line)
def _on_stderr(self):
data = self._process.readAllStandardError().data().decode("utf-8", errors="replace")
for line in data.splitlines():
self.log_line.emit(f"[stderr] {line}")
def _on_finished(self, exit_code: int, _):
success = exit_code == 0
path_str = str(self._article_path)
if "/it/" in path_str:
out = path_str.replace("/it/", "/en/", 1)
elif "/en/" in path_str:
out = path_str.replace("/en/", "/it/", 1)
else:
out = ""
if not success:
self.error.emit(f"transart.py exited with code {exit_code}")
self.finished.emit(success, out)
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