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42 lines
1.4 KiB
Python
42 lines
1.4 KiB
Python
"""产品推介材料 PDF 转换适配器。"""
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import subprocess
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from pathlib import Path
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class PromotionPdfAdapter:
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"""首版只在配置启用且本机存在转换器时转换,不伪造 PDF 成功状态。"""
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def __init__(self, *, enabled: bool = False, converter_path: str = "") -> None:
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self.enabled = enabled
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self.converter_path = converter_path
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def convert(self, pptx_path: str | Path, output_path: str | Path) -> str | None:
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if not self.enabled or not self.converter_path:
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return None
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source = Path(pptx_path).resolve()
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target = Path(output_path).resolve()
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if not source.is_file():
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raise RuntimeError("PPTX 文件不存在,无法转换 PDF")
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target.parent.mkdir(parents=True, exist_ok=True)
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completed = subprocess.run(
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[
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self.converter_path,
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"--headless",
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"--convert-to",
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"pdf",
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"--outdir",
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str(target.parent),
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str(source),
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],
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capture_output=True,
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text=True,
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check=False,
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)
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generated = target.parent / f"{source.stem}.pdf"
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if completed.returncode != 0 or not generated.is_file():
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raise RuntimeError("PPTX 转 PDF 失败")
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if generated != target:
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generated.replace(target)
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return str(target)
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