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Improve cancellation handling and use generator expressions for memory efficiency

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Co-authored-by: denizsafak <39929354+denizsafak@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot]
2025-11-20 23:23:25 +00:00
co-authored by denizsafak
parent 23a89a618b
commit bf5dfddee6
1 changed files with 9 additions and 6 deletions
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abogen/conversion.py
+9 -6
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@@ -874,8 +874,11 @@ class ConversionThread(QThread):
self.log_updated.emit("\nDetected timestamps in text file")
# Signal to ask user (-1 indicates timestamp detection)
self.chapters_detected.emit(-1)
# Wait for user response using event instead of busy-wait loop
self._timestamp_response_event.wait()
# Wait for user response using event with timeout for responsive cancellation
while not self._timestamp_response_event.wait(timeout=0.1):
if self.cancel_requested:
self.conversion_finished.emit("Cancelled", None)
return
if self.cancel_requested:
self.conversion_finished.emit("Cancelled", None)
return
@@ -1011,8 +1014,8 @@ class ConversionThread(QThread):
parent_dir, f"{sanitized_base_name}{suffix}_chapters"
)
# Only check for files with allowed extensions (extension without dot, case-insensitive)
# Optimize by pre-splitting paths to avoid repeated splitext calls
file_parts = [os.path.splitext(fname) for fname in os.listdir(parent_dir)]
# Use generator expression to avoid processing all files upfront
file_parts = (os.path.splitext(fname) for fname in os.listdir(parent_dir))
clash = any(
name == f"{sanitized_base_name}{suffix}"
and ext[1:].lower() in allowed_exts
@@ -1756,8 +1759,8 @@ class ConversionThread(QThread):
allowed_exts = set(SUPPORTED_SOUND_FORMATS + SUPPORTED_SUBTITLE_FORMATS)
while True:
suffix = f"_{counter}" if counter > 1 else ""
# Optimize by pre-splitting paths to avoid repeated splitext calls
file_parts = [os.path.splitext(f) for f in os.listdir(parent_dir)]
# Use generator expression to avoid processing all files upfront
file_parts = (os.path.splitext(f) for f in os.listdir(parent_dir))
if not any(
name == f"{sanitized_base_name}{suffix}"
and ext[1:].lower() in allowed_exts