在 Python 中將 HTML 轉換為 TXT

import os
import sys
import aspose.html as ah
import aspose.html.saving as ahs

def convert_html_to_txt(input_path: str, output_path: str, encoding: str = "utf-8") -> None:
    """
    Converts an HTML file to a plain text (TXT) file using Aspose.HTML for Python via .NET.
    """
    if not os.path.isfile(input_path):
        raise FileNotFoundError(f"Input file does not exist: {input_path}")

try:
        # Load the HTML document
        document = ah.HtmlDocument(input_path)

# Configure TXT save options
        txt_options = ahs.TxtSaveOptions()
        txt_options.encoding = encoding          # Ensure proper character encoding
        txt_options.remove_extra_whitespace = True  # Reduce unnecessary spaces (if supported)

# Perform the conversion
        document.save(output_path, txt_options)

except Exception as exc:
        # Capture any Aspose or I/O related errors
        print(f"[Error] Conversion failed: {exc}", file=sys.stderr)
        raise

finally:
        # Explicitly release resources held by the document
        if 'document' in locals():
            document.dispose()

def validate_txt_output(output_path: str, min_chars: int = 10) -> None:
    """
    Simple validation to ensure the TXT file was created and contains readable content.
    """
    if not os.path.isfile(output_path):
        raise FileNotFoundError(f"Output file was not created: {output_path}")

with open(output_path, "r", encoding="utf-8") as txt_file:
        content = txt_file.read()

if len(content) < min_chars:
        raise ValueError("Output text appears to be empty or truncated.")

# Show a short preview for quick verification
    preview = content[:200].replace("\r", "").replace("\n", " | ")
    print(f"[Info] Conversion succeeded. Preview (first 200 chars):\n{preview}")

if __name__ == "__main__":
    # Example file paths – replace with actual locations as needed
    INPUT_HTML = "sample.html"
    OUTPUT_TXT = "sample.txt"

try:
        convert_html_to_txt(INPUT_HTML, OUTPUT_TXT)
        validate_txt_output(OUTPUT_TXT)
    except Exception as e:
        print(f"[Fatal] HTML to TXT conversion failed: {e}", file=sys.stderr)
        sys.exit(1)

import aspose.html
print(aspose.html.__version__)