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31 lines
1.1 KiB
Python
31 lines
1.1 KiB
Python
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from pathlib import Path
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def search_file_upwards(
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base_dir_path: Path,
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target_file_name: str,
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max_search_parent_depth: int,
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) -> Path:
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"""
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Find a target file in the current directory or its parent directories up to a specified depth.
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:param base_dir_path: Starting directory path to search from.
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:param target_file_name: Name of the file to search for.
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:param max_search_parent_depth: Maximum number of parent directories to search upwards.
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:return: Path of the file if found, otherwise None.
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"""
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current_path = base_dir_path.resolve()
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for _ in range(max_search_parent_depth):
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candidate_path = current_path / target_file_name
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if candidate_path.is_file():
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return candidate_path
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parent_path = current_path.parent
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if parent_path == current_path: # reached the root directory
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break
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else:
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current_path = parent_path
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raise ValueError(
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f"File '{target_file_name}' not found in the directory '{base_dir_path.resolve()}' or its parent directories"
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f" in depth of {max_search_parent_depth}."
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)
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