首次提交: OnebotCatalog 项目代码与文档（含 NX 按需生成服务二期、后台、一键启动）

dump_motor_pdf.py

@@ -0,0 +1,85 @@
+# -*- coding: utf-8 -*-
+"""提取电机 PDF 数据手册的文字内容，输出到 motor_pdf_dump.txt"""
+import sys, io, os
+
+try:
+    sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding="utf-8")
+except Exception:
+    pass
+
+SRC = r"C:\Users\ruigu\Downloads\DS-LE-INTEGRATED-EN(002) (1).pdf"
+OUT = r"d:\开发\OnebotCatalog\motor_pdf_dump.txt"
+
+def try_extract():
+    joined = ""
+
+    # 1) pypdf
+    try:
+        from pypdf import PdfReader
+        r = PdfReader(SRC)
+        parts = []
+        for i, p in enumerate(r.pages):
+            parts.append(f"--- PAGE {i+1} ---\n" + (p.extract_text() or ""))
+        joined = "\n".join(parts)
+        if len(joined.strip()) > 50:
+            return "pypdf", len(r.pages), joined
+    except Exception as e:
+        print("[pypdf fail]", repr(e))
+
+    # 2) PyPDF2
+    try:
+        import PyPDF2
+        r = PyPDF2.PdfReader(SRC)
+        parts = []
+        for i, p in enumerate(r.pages):
+            parts.append(f"--- PAGE {i+1} ---\n" + (p.extract_text() or ""))
+        joined = "\n".join(parts)
+        if len(joined.strip()) > 50:
+            return "PyPDF2", len(r.pages), joined
+    except Exception as e:
+        print("[PyPDF2 fail]", repr(e))
+
+    # 3) pdfplumber
+    try:
+        import pdfplumber
+        parts = []
+        with pdfplumber.open(SRC) as pdf:
+            for i, p in enumerate(pdf.pages):
+                parts.append(f"--- PAGE {i+1} ---\n" + (p.extract_text() or ""))
+        joined = "\n".join(parts)
+        if len(joined.strip()) > 50:
+            return "pdfplumber", len(parts), joined
+    except Exception as e:
+        print("[pdfplumber fail]", repr(e))
+
+    # 4) pdfminer.six
+    try:
+        from pdfminer.high_level import extract_text
+        joined = extract_text(SRC)
+        if len(joined.strip()) > 50:
+            return "pdfminer", "?", joined
+    except Exception as e:
+        print("[pdfminer fail]", repr(e))
+
+    return None, 0, ""
+
+def main():
+    if not os.path.exists(SRC):
+        print("MISSING:", SRC)
+        return
+
+    lib, pages, text = try_extract()
+    if not lib:
+        print("NO_TEXT_EXTRACTED（可能是扫描/图片型 PDF）")
+        return
+
+    with open(OUT, "w", encoding="utf-8") as f:
+        f.write(text)
+    print("DONE")
+    print("库:", lib, "| 页数:", pages, "| 字符数:", len(text))
+    print("输出:", OUT)
+    print("=" * 60)
+    print(text[:4000])
+
+if __name__ == "__main__":
+    main()