61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
from pathlib import Path
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from typing import Optional
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import hashlib
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def read_file_safe(file_path: Path, encoding: str = "utf-8") -> Optional[str]:
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"""Safely read a file, handling encoding errors."""
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try:
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return file_path.read_text(encoding=encoding, errors="replace")
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except Exception:
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return None
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def write_file_safe(content: str, file_path: Path, encoding: str = "utf-8") -> bool:
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"""Safely write to a file."""
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try:
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ensure_directory(file_path.parent)
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file_path.write_text(content, encoding=encoding)
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return True
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except Exception:
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return False
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def ensure_directory(path: Path) -> None:
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"""Ensure directory exists."""
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path.mkdir(parents=True, exist_ok=True)
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def get_file_hash(file_path: Path, algorithm: str = "md5") -> Optional[str]:
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"""Get hash of file contents."""
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try:
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content = file_path.read_bytes()
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if algorithm == "md5":
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return hashlib.md5(content).hexdigest()
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elif algorithm == "sha256":
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return hashlib.sha256(content).hexdigest()
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elif algorithm == "sha1":
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return hashlib.sha1(content).hexdigest()
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else:
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return hashlib.md5(content).hexdigest()
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except Exception:
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return None
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def find_files_pattern(directory: Path, patterns: list) -> list:
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"""Find files matching patterns using fnmatch."""
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from fnmatch import fnmatch
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matches = []
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for root, dirs, files in directory.walk():
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for file in files:
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file_path = Path(root) / file
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rel_path = str(file_path.relative_to(directory))
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for pattern in patterns:
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if fnmatch(file, pattern) or fnmatch(rel_path, pattern):
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matches.append(file_path)
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break
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return matches
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