init: 博特维采购订单系统 v1.0 源码

tools/pdf_preview.py

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+# -*- coding: utf-8 -*-
+"""把 PDF 指定页渲染成 PNG，用于版式校验。"""
+import os
+import sys
+
+import pymupdf
+
+OUT = r"D:\2026-09-09-task-18\tools\out"
+
+
+def render(pdf, pages=(0,), dpi=110, prefix=None):
+    doc = pymupdf.open(pdf)
+    prefix = prefix or os.path.splitext(os.path.basename(pdf))[0]
+    for p in pages:
+        if p >= len(doc):
+            continue
+        page = doc[p]
+        pix = page.get_pixmap(dpi=dpi)
+        path = os.path.join(OUT, "%s_p%d.png" % (prefix, p + 1))
+        pix.save(path)
+        print(path)
+    print("pages:", len(doc))
+
+
+if __name__ == "__main__":
+    name = sys.argv[1]
+    pages = [int(x) for x in sys.argv[2].split(",")] if len(sys.argv) > 2 else [0]
+    render(os.path.join(OUT, name), pages)