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）

tools/extract-pdf.py

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+# -*- coding: utf-8 -*-
+# 提取 PDF 文本到 UTF-8 文件 (PyMuPDF), 并解码内嵌字体私有区数字
+# 用法: python extract-pdf.py <pdf> <outdir> <起始页> <结束页(含)>
+import fitz, sys, os
+
+path, outdir = sys.argv[1], sys.argv[2]
+start = int(sys.argv[3]); end = int(sys.argv[4])
+doc = fitz.open(path)
+os.makedirs(outdir, exist_ok=True)
+
+# ONEBOT 手册: 数字被编码为私有区字符 0xF6B1(=0) ~ 0xF6BA(=9)
+DIGITS = {0xF6B1 + i: str(i) for i in range(10)}
+# 常见符号误提取 (按上下文谨慎映射)
+SYMBOLS = {'÷': 'x', '⨯': 'x', '·': '-'}
+
+def decode(t):
+    out = []
+    for ch in t:
+        o = ord(ch)
+        if o in DIGITS:
+            out.append(DIGITS[o])
+        elif ch in SYMBOLS:
+            out.append(SYMBOLS[ch])
+        else:
+            out.append(ch)
+    return ''.join(out)
+
+for i in range(start - 1, min(end, len(doc))):
+    text = decode(doc[i].get_text())
+    fn = os.path.join(outdir, "page_%03d.txt" % (i + 1))
+    with open(fn, "w", encoding="utf-8") as f:
+        f.write(text)
+print("total_pages", len(doc))
+print("extracted", start, "to", min(end, len(doc)), "->", outdir)