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- Implemented ConvertConfirmScreen for confirming AVI to MKV conversions with audio and subtitle options. - Added DeleteConfirmScreen for confirming file deletions with detailed file information. - Enhanced MediaPanelView to include additional MediaInfo properties such as video, audio, and subtitle tracks. - Updated MediaPanelProperties to extract and display raw MediaInfo track data. - Introduced HelpScreen for user guidance on application features and navigation. - Created OpenScreen for directory path input with validation. - Developed RenameConfirmScreen for renaming files with user confirmation and editing capabilities. - Added SettingsScreen for configuring application settings, including cache TTL and HEVC encoding options. - Updated imports and module exports in views to accommodate new screens.
95 lines
3.0 KiB
Python
95 lines
3.0 KiB
Python
"""File system information extractor.
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This module provides the FileInfoExtractor class for extracting basic
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file system metadata such as size, timestamps, paths, and extensions.
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"""
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from pathlib import Path
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import logging
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from ..cache import cached_method, Cache
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from ..logging_config import LoggerConfig # Initialize logging singleton
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class FileInfoExtractor:
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"""Extractor for basic file system information.
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This class extracts file system metadata including size, modification time,
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file name, path, and extension. All extraction methods are cached for
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performance.
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Attributes:
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file_path: Path object pointing to the file
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_size: Cached file size in bytes
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_modification_time: Cached modification timestamp
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_file_name: Cached file name
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_file_path: Cached full file path as string
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_cache: Internal cache for method results
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Example:
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>>> from pathlib import Path
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>>> extractor = FileInfoExtractor(Path("movie.mkv"))
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>>> size = extractor.extract_size() # Returns size in bytes
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>>> name = extractor.extract_file_name() # Returns "movie.mkv"
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"""
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def __init__(self, file_path: Path, use_cache: bool = True):
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"""Initialize the FileInfoExtractor.
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Args:
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file_path: Path object pointing to the file to extract info from
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use_cache: Whether to use caching (default: True)
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"""
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self._file_path = file_path
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self.file_path = file_path # Expose for cache key generation
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self.cache = Cache() if use_cache else None # Singleton cache for @cached_method decorator
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self.settings = None # Will be set by Settings singleton if needed
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self._stat = file_path.stat()
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self._cache: dict = {} # Internal cache for method results
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@cached_method()
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def extract_size(self) -> int:
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"""Extract file size in bytes.
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Returns:
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File size in bytes as an integer
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"""
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return self._stat.st_size
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@cached_method()
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def extract_modification_time(self) -> float:
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"""Extract file modification time.
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Returns:
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Unix timestamp (seconds since epoch) as a float
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"""
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return self._stat.st_mtime
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@cached_method()
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def extract_file_name(self) -> str:
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"""Extract file name (basename).
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Returns:
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File name including extension (e.g., "movie.mkv")
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"""
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return self._file_path.name
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@cached_method()
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def extract_file_path(self) -> str:
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"""Extract full file path as string.
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Returns:
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Absolute file path as a string
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"""
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return str(self._file_path)
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@cached_method()
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def extract_extension(self) -> str | None:
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"""Extract file extension without the dot.
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Returns:
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File extension in lowercase without leading dot (e.g., "mkv", "mp4"),
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or None if no extension exists
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"""
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ext = self._file_path.suffix.lower().lstrip('.')
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return ext if ext else None
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