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Issue #1413

Some DOCX files may have headings, table cells, or footnotes without a styleId (w:styleId).
The original converter crashes with:

KeyError: 'w:styleId'

Fix

Wrapped Mammoth conversion in try/except to catch missing w:styleId.

If missing, fallback safely and continue conversion.

@ct-jaryn
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@MonkeyCode-AI review it

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已添加对 PR 的评审意见。

# Ignore missing style IDs and convert anyway
html = mammoth.convert_to_html(pre_process_stream, style_map=style_map, ignore_empty_styles=True).value
else:
raise

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        # Patch: handle missing styleId safely
        try:
            html = mammoth.convert_to_html(pre_process_stream, style_map=style_map).value
        except KeyError as e:
            if str(e) == "'w:styleId'":
                # Ignore missing style IDs and convert anyway
                html = mammoth.convert_to_html(pre_process_stream, style_map=style_map, ignore_empty_styles=True).value
            else:
                raise

这段代码通过 try/except 块处理了可能因缺少 w:styleId 而导致的 KeyError。这是个不错的防御性编程实践。不过,可以考虑以下几点改进:

  1. 更明确的异常处理:检查异常信息是否为 'w:styleId' 可能会因语言环境或 mammoth 版本变化而失效。如果可能,尝试通过检查元素属性来确定是否缺少样式 ID。
  2. 日志记录:建议添加一些日志记录,以便在处理异常情况时能够跟踪发生了什么。
  3. 文档:虽然代码中有注释,但在 docstring 或开发者文档中描述这种特殊情况的处理方式会更有帮助。

总体来说,这个修复是有效的,提高了代码的健壮性。

@Ashhhh010101
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@microsoft-github-policy-service agree

@MonkeyCode-AI
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⏳ MonkeyCode-AI 正在分析,请稍等片刻...

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4 participants