717 lines
26 KiB
Python
717 lines
26 KiB
Python
import os
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import re
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import uuid
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import logging
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import tempfile
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from datetime import datetime
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from docx import Document
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from docx.shared import Pt, RGBColor, Inches
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from docx.enum.text import WD_ALIGN_PARAGRAPH
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from docx.oxml.ns import qn
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from lxml import etree
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logging.basicConfig(
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level=logging.INFO,
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format='%(asctime)s - %(levelname)s - %(message)s',
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datefmt='%Y-%m-%d %H:%M:%S'
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)
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logger = logging.getLogger(__name__)
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_MML2OMML_XSLT = None
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def _load_mml2omml_xslt():
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global _MML2OMML_XSLT
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if _MML2OMML_XSLT is not None:
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return _MML2OMML_XSLT
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search_paths = [
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r"C:\Program Files\Microsoft Office\root\Office16\MML2OMML.XSL",
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r"C:\Program Files (x86)\Microsoft Office\root\Office16\MML2OMML.XSL",
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r"C:\Program Files\Microsoft Office\Office16\MML2OMML.XSL",
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r"C:\Program Files (x86)\Microsoft Office\Office16\MML2OMML.XSL",
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"/usr/share/mml2omml/MML2OMML.XSL",
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]
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for path in search_paths:
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if os.path.isfile(path):
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_MML2OMML_XSLT = etree.parse(path)
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logger.info(f"加载 MML2OMML.XSL 成功: {path}")
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return _MML2OMML_XSLT
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logger.warning("未找到 MML2OMML.XSL，公式将使用图片回退方式渲染")
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return None
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class MarkdownWordGenerator:
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def __init__(self):
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try:
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self.doc = Document()
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self.cache_dir = os.path.join(tempfile.gettempdir(), "latex_formula_cache")
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os.makedirs(self.cache_dir, exist_ok=True)
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self.formula_cache = {}
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self._omml_available = _load_mml2omml_xslt() is not None
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logger.info("MarkdownWordGenerator 初始化成功")
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except Exception as e:
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logger.error(f"初始化 MarkdownWordGenerator 失败: {e}")
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raise
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def set_font(self, run, size=11, bold=False):
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try:
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run.font.name = "微软雅黑"
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rPr = run._element.get_or_add_rPr()
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rFonts = rPr.find(qn('w:rFonts'))
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if rFonts is None:
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rFonts = run._element.makeelement(qn('w:rFonts'), {})
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rPr.insert(0, rFonts)
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rFonts.set(qn('w:eastAsia'), "微软雅黑")
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run.font.size = Pt(size)
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run.font.bold = True if bold else False
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except Exception as e:
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logger.warning(f"设置字体时出错: {e}")
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def add_heading(self, text, level):
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try:
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p = self.doc.add_heading(level=level)
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size_map = {1: 18, 2: 16, 3: 14}
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font_size = size_map.get(level, 12)
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self._add_rich_text(p, text, default_size=font_size, default_bold=True)
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except Exception as e:
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logger.error(f"添加标题失败 '{text}': {e}")
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def add_paragraph(self, text):
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try:
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if not text.strip():
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return
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p = self.doc.add_paragraph()
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indent_chars = 0
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temp_text = text
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while temp_text.startswith('\u3000'):
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indent_chars += 1
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temp_text = temp_text[1:]
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if indent_chars >= 2:
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p.paragraph_format.first_line_indent = Inches(0.5)
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text = temp_text
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elif indent_chars == 1:
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p.paragraph_format.first_line_indent = Inches(0.25)
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text = temp_text
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self._add_rich_text(p, text)
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except Exception as e:
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logger.error(f"添加段落失败: {e}")
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def _add_rich_text(self, paragraph, text, default_size=11, default_bold=False):
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if not text:
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return
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pattern = r'\*\*(.+?)\*\*'
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last_end = 0
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for match in re.finditer(pattern, text):
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start, end = match.span()
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if start > last_end:
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plain = text[last_end:start]
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if plain:
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run = paragraph.add_run(plain)
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self.set_font(run, size=default_size, bold=default_bold)
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bold_content = match.group(1)
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if bold_content:
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run = paragraph.add_run(bold_content)
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self.set_font(run, size=default_size, bold=True)
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last_end = end
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if last_end < len(text):
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remaining = text[last_end:]
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if remaining:
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run = paragraph.add_run(remaining)
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self.set_font(run, size=default_size, bold=default_bold)
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@staticmethod
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def _preprocess_latex_for_omml(latex: str) -> str:
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replacements = {
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r'\leqslant': r'\leq',
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r'\geqslant': r'\geq',
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r'\nleqslant': r'\nleq',
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r'\ngeqslant': r'\ngeq',
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r'\eqslantless': r'\leq',
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r'\eqslantgtr': r'\geq',
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r'\varnothing': r'\emptyset',
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r'\dfrac': r'\frac',
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r'\tfrac': r'\frac',
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r'\boldsymbol': r'\mathbf',
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r'\bm': r'\mathbf',
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}
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for old, new in replacements.items():
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latex = latex.replace(old, new)
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latex = re.sub(r'\\mathrm\s*\{([^}]*)\}', lambda m: r'\mathrm{' + m.group(1) + '}', latex)
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latex = re.sub(r'\\text\s*\{([^}]*)\}', lambda m: r'\mathrm{' + m.group(1) + '}', latex)
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latex = re.sub(r'\\textbf\s*\{([^}]*)\}', lambda m: r'\mathbf{' + m.group(1) + '}', latex)
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latex = re.sub(r'\\textit\s*\{([^}]*)\}', lambda m: r'\mathit{' + m.group(1) + '}', latex)
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return latex
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def _latex_to_omml(self, latex_str):
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try:
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import latex2mathml.converter
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latex_str = self._preprocess_latex_for_omml(latex_str)
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mathml = latex2mathml.converter.convert(latex_str)
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mathml_tree = etree.fromstring(mathml.encode('utf-8'))
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xslt = _load_mml2omml_xslt()
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if xslt is None:
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return None
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transform = etree.XSLT(xslt)
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omml_tree = transform(mathml_tree)
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return omml_tree.getroot()
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except Exception as e:
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logger.error(f"LaTeX->OMML 转换失败 '{latex_str}': {e}")
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return None
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def _add_omml_to_paragraph(self, paragraph, latex_str):
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omml = self._latex_to_omml(latex_str)
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if omml is not None:
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paragraph._element.append(omml)
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return True
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return False
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def _add_rich_text_with_formulas(self, paragraph, text, default_size=11, default_bold=False):
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if not text:
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return
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has_formula = bool(re.search(r'\$[^$]+?\$', text))
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has_image = bool(self._extract_image_urls(text))
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if not has_formula and not has_image:
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self._add_rich_text(paragraph, text, default_size=default_size, default_bold=default_bold)
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return
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if has_image:
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img_urls = self._extract_image_urls(text)
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last_end = 0
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for start, end, url in img_urls:
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before_text = text[last_end:start]
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if before_text and before_text.strip():
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self._add_rich_text_with_formulas(paragraph, before_text, default_size=default_size, default_bold=default_bold)
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self.add_image(url, width_inches=4.5)
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last_end = end
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after_text = text[last_end:]
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if after_text and after_text.strip():
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p = self.doc.add_paragraph()
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self._add_rich_text_with_formulas(p, after_text, default_size=default_size, default_bold=default_bold)
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return
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segments = re.split(r'(\$[^$]+?\$)', text)
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for segment in segments:
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if not segment:
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continue
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if segment.startswith('$') and segment.endswith('$') and len(segment) > 2:
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latex_content = segment[1:-1].strip()
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if self._omml_available and self._add_omml_to_paragraph(paragraph, latex_content):
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pass
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else:
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run = paragraph.add_run(segment)
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self.set_font(run, size=default_size, bold=default_bold)
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else:
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self._add_rich_text(paragraph, segment, default_size=default_size, default_bold=default_bold)
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def add_list(self, text, numbered=False, number=None):
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try:
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text = text.strip()
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if not text:
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return
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if re.match(r'^[-_*]{2,}$', text):
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return
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if numbered and number is not None:
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p = self.doc.add_paragraph()
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p.paragraph_format.left_indent = Pt(18)
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p.paragraph_format.first_line_indent = Pt(-18)
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num_run = p.add_run(f"{number}. ")
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self.set_font(num_run, bold=False)
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self._add_rich_text_with_formulas(p, text)
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else:
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p = self.doc.add_paragraph(style="List Bullet")
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self._add_rich_text_with_formulas(p, text)
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except Exception as e:
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logger.error(f"添加列表失败: {e}")
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def add_sub_list(self, text):
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try:
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text = text.strip()
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if not text:
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return
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if re.match(r'^[-_*]{2,}$', text):
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return
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try:
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p = self.doc.add_paragraph(style="List Bullet 2")
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except KeyError:
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p = self.doc.add_paragraph(style="List Bullet")
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p.paragraph_format.left_indent = Pt(36)
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self._add_rich_text_with_formulas(p, text)
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except Exception as e:
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logger.error(f"添加子列表失败: {e}")
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def _convert_url_to_local_path(self, url: str) -> str:
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if not url:
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return None
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from urllib.parse import urlparse
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path = urlparse(url).path
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if path.startswith('/picture/'):
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docker_path = f"/app/picture/{path[len('/picture/'):]}"
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if os.path.isfile(docker_path):
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return docker_path
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try:
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project_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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local_path = os.path.join(project_root, "picture", path[len('/picture/'):])
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if os.path.isfile(local_path):
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return local_path
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except Exception:
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pass
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return None
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return None
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@staticmethod
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def _get_http_headers(url: str) -> dict:
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headers = {}
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if "/api/v1/knowledge/" in url:
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try:
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from config import RAG_CONFIG
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headers["x-user-id"] = str(RAG_CONFIG.get("x-user-id", "1"))
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headers["x-user-name"] = str(RAG_CONFIG.get("x-user-name", "testuser"))
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headers["x-role"] = str(RAG_CONFIG.get("x-role", "admin"))
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except Exception:
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headers["x-user-id"] = "1"
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headers["x-user-name"] = "testuser"
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headers["x-role"] = "admin"
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return headers
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def add_image(self, url_or_path: str, width_inches: float = 5.5):
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if not url_or_path:
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return
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try:
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import io
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image_stream = None
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if os.path.isfile(url_or_path):
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image_stream = url_or_path
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elif url_or_path.startswith("http://") or url_or_path.startswith("https://"):
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local_path = self._convert_url_to_local_path(url_or_path)
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if local_path and os.path.isfile(local_path):
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image_stream = local_path
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else:
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import requests
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headers = self._get_http_headers(url_or_path)
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resp = requests.get(url_or_path, timeout=15, headers=headers, proxies={"http": None, "https": None})
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resp.raise_for_status()
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content_type = resp.headers.get("Content-Type", "")
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logger.info(f"HTTP 下载完成, Content-Type: {content_type}, 大小: {len(resp.content)} bytes")
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if not content_type.startswith("image/"):
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logger.error(f"响应不是图片类型: {content_type}")
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self.add_paragraph(f"[图片加载失败: {url_or_path}]")
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return
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image_stream = io.BytesIO(resp.content)
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else:
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logger.warning(f"图片路径无效: {url_or_path}")
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return
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from PIL import Image as PilImage
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if isinstance(image_stream, str):
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pil_img = PilImage.open(image_stream)
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else:
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pil_img = PilImage.open(image_stream)
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png_stream = io.BytesIO()
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pil_img.convert("RGBA" if pil_img.mode in ("RGBA", "P") else "RGB").save(png_stream, format="PNG")
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png_stream.seek(0)
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p = self.doc.add_paragraph()
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p.alignment = WD_ALIGN_PARAGRAPH.CENTER
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run = p.add_run()
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run.add_picture(png_stream, width=Inches(width_inches))
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logger.info(f"图片插入成功: {url_or_path}")
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except Exception as e:
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logger.error(f"插入图片失败 '{url_or_path}': {e!r}", exc_info=True)
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self.add_paragraph(f"[图片加载失败: {url_or_path}]")
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def _extract_image_urls(self, line_content):
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"""
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从一行文本中提取所有图片URL，支持多种格式：
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- 
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- ![alt]`url`
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- ! `url`
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返回 [(start, end, url), ...]
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"""
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results = []
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# 格式1: 
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for m in re.finditer(r'!\[([^\]]*)\]\(([^)]+)\)', line_content):
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url = m.group(2).strip()
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if url.startswith('`') and url.endswith('`'):
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url = url[1:-1]
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results.append((m.start(), m.end(), url))
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# 格式2: ![alt]`url` (未被格式1匹配的)
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for m in re.finditer(r'!\[([^\]]*)\]\s*`([^`]+)`', line_content):
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url = m.group(2).strip()
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already = any(s <= m.start() and e >= m.end() for s, e, _ in results)
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if not already:
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results.append((m.start(), m.end(), url))
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# 格式3: ! `url` (模型常见的破损格式)
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for m in re.finditer(r'!\s*`([^`]+\.(?:jpg|jpeg|png|gif|bmp|webp))`', line_content, re.IGNORECASE):
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url = m.group(1).strip()
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already = any(s <= m.start() and e >= m.end() for s, e, _ in results)
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if not already:
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results.append((m.start(), m.end(), url))
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results.sort(key=lambda x: x[0])
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return results
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def add_table(self, lines):
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try:
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rows = []
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for line in lines:
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line = line.strip("|")
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cells = [c.strip() for c in line.split("|")]
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rows.append(cells)
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if not rows:
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return
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header = rows[0]
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data_start_index = 1
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if len(rows) > 1 and all(c.startswith('-') or c == '' for c in rows[1]):
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data_start_index = 2
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data = rows[data_start_index:]
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max_cols = len(header)
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table = self.doc.add_table(rows=len(data) + 1, cols=max_cols)
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table.style = "Table Grid"
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for i, cell in enumerate(header):
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if i < max_cols:
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table.rows[0].cells[i].text = cell
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for r, row in enumerate(data):
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for c, val in enumerate(row):
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if c < max_cols:
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table.rows[r + 1].cells[c].text = val
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logger.info("表格添加成功")
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except Exception as e:
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logger.error(f"添加表格失败: {e}")
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def _add_horizontal_rule(self):
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p = self.doc.add_paragraph()
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pPr = p._element.get_or_add_pPr()
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pBdr = p._element.makeelement(qn('w:pBdr'), {})
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bottom = p._element.makeelement(qn('w:bottom'), {
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qn('w:val'): 'single',
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qn('w:sz'): '6',
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qn('w:space'): '1',
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qn('w:color'): 'CCCCCC',
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})
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pBdr.append(bottom)
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pPr.append(pBdr)
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def parse(self, markdown):
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lines = markdown.split("\n")
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table_buffer = []
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block_formula = []
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in_block_formula = False
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i = 0
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while i < len(lines):
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line = lines[i]
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line_stripped = line.rstrip()
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line_content = line_stripped.lstrip()
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# 1. 处理块级公式
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if line_content.startswith("$$"):
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if not in_block_formula:
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remaining = line_content[2:]
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close_idx = remaining.find("$$")
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if close_idx >= 0:
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formula = remaining[:close_idx].strip()
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after_formula = remaining[close_idx + 2:].strip()
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p = self.doc.add_paragraph()
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p.alignment = WD_ALIGN_PARAGRAPH.CENTER
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if not (self._omml_available and self._add_omml_to_paragraph(p, formula)):
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self.add_paragraph(f"[公式: {formula}]")
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if after_formula:
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self.add_paragraph(after_formula)
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else:
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in_block_formula = True
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block_formula = []
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if remaining.strip():
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block_formula.append(remaining.strip())
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else:
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remaining = line_content[2:]
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in_block_formula = False
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formula = "".join(block_formula).strip()
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||
p = self.doc.add_paragraph()
|
||
p.alignment = WD_ALIGN_PARAGRAPH.CENTER
|
||
if not (self._omml_available and self._add_omml_to_paragraph(p, formula)):
|
||
self.add_paragraph(f"[公式: {formula}]")
|
||
if remaining.strip():
|
||
self.add_paragraph(remaining.strip())
|
||
i += 1
|
||
continue
|
||
|
||
if in_block_formula:
|
||
block_formula.append(line)
|
||
i += 1
|
||
continue
|
||
|
||
# 2. 处理表格
|
||
if line_content.startswith("|") and line_content.endswith("|"):
|
||
table_buffer.append(line_stripped)
|
||
i += 1
|
||
continue
|
||
else:
|
||
if table_buffer:
|
||
self.add_table(table_buffer)
|
||
table_buffer = []
|
||
|
||
# 空行跳过
|
||
if not line_stripped:
|
||
i += 1
|
||
continue
|
||
|
||
# 3. 水平分隔线
|
||
if re.match(r'^\s*[-*_]{3,}\s*$', line_stripped):
|
||
self._add_horizontal_rule()
|
||
i += 1
|
||
continue
|
||
|
||
# 4. 标题
|
||
heading_match = re.match(r'^(#{1,3})\s+(.*)', line_content)
|
||
if heading_match:
|
||
level = len(heading_match.group(1))
|
||
text = heading_match.group(2)
|
||
self.add_heading(text, level)
|
||
i += 1
|
||
continue
|
||
|
||
# 5. 有序列表（带子列表支持）
|
||
list_match_ordered = re.match(r'^(\d+)\.\s*(.*)', line_content)
|
||
if list_match_ordered:
|
||
number = int(list_match_ordered.group(1))
|
||
text = list_match_ordered.group(2)
|
||
self.add_list(text, numbered=True, number=number)
|
||
|
||
i += 1
|
||
while i < len(lines):
|
||
next_line = lines[i]
|
||
next_stripped = next_line.rstrip()
|
||
sub_match = re.match(r'^[\s\t]+[-*]\s*(.*)', next_stripped)
|
||
if sub_match:
|
||
sub_text = sub_match.group(1)
|
||
self.add_sub_list(sub_text)
|
||
i += 1
|
||
elif (next_stripped.startswith(' ') or next_stripped.startswith('\t')):
|
||
sub_content = next_stripped.strip()
|
||
if sub_content and not re.match(r'^\d+\.\s', sub_content):
|
||
self.add_sub_list(sub_content)
|
||
i += 1
|
||
else:
|
||
break
|
||
else:
|
||
break
|
||
continue
|
||
|
||
# 6. 无序列表
|
||
is_bold_line = line_content.startswith('**')
|
||
if not is_bold_line:
|
||
list_match_unordered = re.match(r'^\s*[-*]\s+(.*)', line_stripped)
|
||
if not list_match_unordered:
|
||
m = re.match(r'^\s*-([^-].*)$', line_stripped)
|
||
if m and m.group(1).strip():
|
||
list_match_unordered = m
|
||
|
||
if list_match_unordered:
|
||
text = list_match_unordered.group(1).strip()
|
||
if text:
|
||
self.add_list(text, numbered=False)
|
||
i += 1
|
||
continue
|
||
|
||
# 7. 图片链接 - 统一提取所有格式的图片URL
|
||
img_urls = self._extract_image_urls(line_content)
|
||
|
||
if img_urls:
|
||
has_only_img = (len(img_urls) == 1 and
|
||
line_content.strip().startswith('!') and
|
||
img_urls[0][0] == 0)
|
||
|
||
if has_only_img:
|
||
_, _, url = img_urls[0]
|
||
self.add_image(url)
|
||
else:
|
||
p = self.doc.add_paragraph()
|
||
last_end = 0
|
||
for start, end, url in img_urls:
|
||
before_text = line_content[last_end:start].strip()
|
||
if before_text:
|
||
self._add_rich_text_with_formulas(p, before_text)
|
||
self.add_image(url, width_inches=4.5)
|
||
p = self.doc.add_paragraph()
|
||
last_end = end
|
||
after_text = line_content[last_end:].strip()
|
||
if after_text:
|
||
self._add_rich_text_with_formulas(p, after_text)
|
||
i += 1
|
||
continue
|
||
|
||
# 8. 普通链接
|
||
if line_content.startswith("["):
|
||
match = re.match(r'\[(.*?)\]\((.*?)\)', line_content)
|
||
if match:
|
||
p = self.doc.add_paragraph()
|
||
run = p.add_run(match.group(1))
|
||
run.font.color.rgb = RGBColor(0, 0, 255)
|
||
run.font.underline = True
|
||
i += 1
|
||
continue
|
||
|
||
# 9. 普通段落
|
||
p = self.doc.add_paragraph()
|
||
|
||
indent_chars = 0
|
||
temp_line = line_stripped
|
||
while temp_line.startswith('\u3000'):
|
||
indent_chars += 1
|
||
temp_line = temp_line[1:]
|
||
|
||
if indent_chars >= 2:
|
||
p.paragraph_format.first_line_indent = Inches(0.5)
|
||
elif indent_chars == 1:
|
||
p.paragraph_format.first_line_indent = Inches(0.25)
|
||
|
||
self._add_rich_text_with_formulas(p, line_content)
|
||
|
||
i += 1
|
||
|
||
if table_buffer:
|
||
self.add_table(table_buffer)
|
||
|
||
def generate(self, markdown, title=None, output=None, images=None):
|
||
try:
|
||
if title:
|
||
logger.info(f"添加文档标题: {title}")
|
||
p = self.doc.add_paragraph()
|
||
run = p.add_run(title)
|
||
self.set_font(run, 20, True)
|
||
p.alignment = WD_ALIGN_PARAGRAPH.CENTER
|
||
|
||
logger.info("开始解析 Markdown 内容")
|
||
self.parse(markdown)
|
||
|
||
if images:
|
||
self._append_images_section(images)
|
||
|
||
if not output:
|
||
timestamp = datetime.now().strftime('%Y%m%d_%H%M%S')
|
||
output = f"report_{timestamp}.docx"
|
||
|
||
logger.info(f"正在保存文件: {output}")
|
||
self.doc.save(output)
|
||
|
||
if os.path.exists(output):
|
||
file_size = os.path.getsize(output)
|
||
logger.info(f"文件保存成功: {output}, 大小: {file_size} bytes")
|
||
return output
|
||
else:
|
||
logger.error(f"文件保存后未找到: {output}")
|
||
raise FileNotFoundError(f"File {output} was not created.")
|
||
|
||
except Exception as e:
|
||
logger.error(f"生成报告过程中发生严重错误: {e}", exc_info=True)
|
||
raise
|
||
|
||
def _append_images_section(self, images):
|
||
try:
|
||
self.add_heading("附件图片", level=2)
|
||
|
||
for idx, img in enumerate(images, 1):
|
||
if isinstance(img, dict):
|
||
url = img.get('url', '')
|
||
summary = img.get('summary', '')
|
||
else:
|
||
url = str(img)
|
||
summary = ''
|
||
|
||
p = self.doc.add_paragraph()
|
||
run = p.add_run(f"图片{idx}：")
|
||
self.set_font(run, bold=True)
|
||
|
||
if url:
|
||
self.add_image(url, width_inches=4)
|
||
|
||
if summary:
|
||
p = self.doc.add_paragraph()
|
||
run = p.add_run(f"说明：{summary}")
|
||
self.set_font(run, size=10)
|
||
|
||
self.doc.add_paragraph()
|
||
|
||
logger.info(f"图片附件部分添加完成，共 {len(images)} 张图片")
|
||
except Exception as e:
|
||
logger.error(f"添加图片附件部分失败: {e}")
|
||
|
||
|
||
def generate_report_word(markdown, title=None, output=None, images=None):
|
||
logger.info("=== 开始生成报告 ===")
|
||
try:
|
||
generator = MarkdownWordGenerator()
|
||
|
||
if images:
|
||
logger.info(f"准备插入 {len(images)} 张图片")
|
||
|
||
file_path = generator.generate(markdown, title=title, output=output, images=images)
|
||
logger.info(f"=== 报告生成完成: {file_path} ===")
|
||
return file_path
|
||
except Exception as e:
|
||
logger.critical(f"报告生成失败: {e}")
|
||
raise
|
||
|
||
|
||
if __name__ == "__main__":
|
||
md = r"""
|
||
## **测试报告 - OMML公式和图片**
|
||
|
||
### **一、行内公式**
|
||
|
||
温度要求 $ \leqslant 40 ^ { \circ } \mathrm { C } $，不得超过。
|
||
|
||
公差范围 $ \geqslant 0.05 \ \mathrm { mm } $ 以内合格。
|
||
|
||
### **二、列表中的公式**
|
||
|
||
1. 温度 $ \leqslant 40 ^ { \circ } \mathrm { C } $ 要求
|
||
2. 间隙 $ \leqslant 0.05 \ \mathrm { mm } $ 标准
|
||
|
||
- 清洁轴颈 $ \geqslant 0.05 \ \mathrm { mm } $
|
||
|
||
|
||
### **四、图片测试**
|
||
|
||
|
||
"""
|
||
|
||
try:
|
||
result_path = generate_report_word(md)
|
||
print(f"报告已生成，路径: {result_path}")
|
||
except Exception as e:
|
||
print(f"程序执行出错: {e}")
|
||
import traceback
|
||
traceback.print_exc()
|