92 lines
3.3 KiB
Python
92 lines
3.3 KiB
Python
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import re
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from pathlib import Path
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def get_file_extension_and_default_name(attributes: str, code: str) -> tuple[str, str]:
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"""Determine file extension and default name based on attributes and content."""
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# Extract language from attributes (e.g., language=bash)
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language_match = re.search(r'language=(\w+)', attributes)
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language = language_match.group(1).lower() if language_match else 'unknown'
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if language == 'bash' or 'incus' in code.lower():
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return '.sh', 'incus_script'
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elif language == 'yaml':
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return '.yaml', 'netplan_config'
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elif language == 'python':
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return '.py', 'python_script'
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else:
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# Assume .conf for blocks without language or resembling config
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return '.conf', 'dnsmasq_config'
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def generate_unique_filename(base_dir: Path, base_name: str, extension: str) -> Path:
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"""Generate a unique filename by appending a number if the file exists."""
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counter = 1
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while True:
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filename = f"{base_name}_{counter}{extension}"
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file_path = base_dir / filename
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if not file_path.exists():
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return file_path
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counter += 1
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def extract_listings():
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"""Extract lstlisting code blocks from main.tex and save to scripts folder."""
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# Define paths
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base_dir = Path(__file__).parent.parent # ~/edu/paso/dnsmasq
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tex_file = base_dir / 'doc' / 'main.tex'
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scripts_dir = base_dir / 'scripts'
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# Ensure scripts directory exists
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scripts_dir.mkdir(exist_ok=True)
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# Read the LaTeX file
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try:
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with open(tex_file, 'r', encoding='utf-8') as f:
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content = f.read()
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except FileNotFoundError:
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print(f"Error: {tex_file} not found")
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return
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except Exception as e:
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print(f"Error reading {tex_file}: {str(e)}")
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return
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# Regex to match lstlisting environments
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# Captures optional attributes [language=...,label=...] and code block content
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pattern = r'\\begin\{lstlisting\}(\[(.*?)\])?(.*?)\\end\{lstlisting\}'
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matches = re.finditer(pattern, content, re.DOTALL)
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extracted_count = 0
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for match in matches:
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# Extract attributes (if any) and code
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attributes = match.group(2) or '' # Empty string if no attributes
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code = match.group(3).strip()
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# Extract label from attributes (e.g., label={setup_container})
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label_match = re.search(r'label=\{([^}]+)\}', attributes)
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label = label_match.group(1) if label_match else None
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# Get file extension and default name
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extension, default_name = get_file_extension_and_default_name(attributes, code)
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# Use label if available, otherwise use default name
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base_name = label if label else default_name
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# Generate unique filename
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file_path = generate_unique_filename(scripts_dir, base_name, extension)
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# Save the code block to a file
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try:
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with open(file_path, 'w', encoding='utf-8') as f:
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f.write(code)
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print(f"Saved code block to {file_path}")
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extracted_count += 1
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except Exception as e:
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print(f"Error saving {file_path}: {str(e)}")
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if extracted_count == 0:
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print("No lstlisting code blocks found in main.tex")
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else:
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print(f"Completed: Extracted {extracted_count} code block(s) to {scripts_dir}")
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if __name__ == "__main__":
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extract_listings()
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