import zipfile, re, sys

ppt = r"D:\F\yc\课程上架\福田商圈夜校\课程视频\钢琴演奏入门第一课.pptx"
out = r"D:\F\NewI\opencode\daily-workspace\temp\debug_ppt_out.txt"

results = []

with zipfile.ZipFile(ppt, "r") as z:
    names = z.namelist()
    slide_files = [f for f in names if f.startswith("ppt/slides/slide") and f.endswith(".xml")]
    results.append(f"Total files in zip: {len(names)}")
    results.append(f"Slide files found: {len(slide_files)}")
    results.append(f"First 5: {slide_files[:5]}")

    try:
        pres_xml = z.read("ppt/presentation.xml").decode("utf-8", errors="replace")
        sld_ids = re.findall(r'<p:sldId\b[^>]*r:id="([^"]+)"', pres_xml)
        results.append(f"sldIds: {sld_ids[:5]}")
    except Exception as e:
        results.append(f"pres error: {e}")

    try:
        rels_xml = z.read("ppt/_rels/presentation.xml.rels").decode("utf-8", errors="replace")
        rid_to_target = dict(re.findall(r'Id="([^"]+)"[^>]*Target="([^"]+)"', rels_xml))
        results.append(f"rels count: {len(rid_to_target)}")
        for k, v in list(rid_to_target.items())[:3]:
            results.append(f"  {k} -> {v}")
    except Exception as e:
        results.append(f"rels error: {e}")

with open(out, "w", encoding="utf-8") as f:
    f.write("\n".join(results))

print("Done, see", out)