Remove dead code, DEVMODE overrides, and PNG fallback; use printer default settings

check_pdf_size.py

@@ -1,20 +1,110 @@
-from reportlab.lib.pagesizes import landscape
-from reportlab.lib.utils import ImageReader
-from reportlab.pdfgen import canvas
+"""
+check_pdf_size.py – verify that a PDF's page dimensions match 35 mm × 25 mm.
+
+Usage:
+    python check_pdf_size.py [path/to/label.pdf]
+
+If no path is given the script operates on every PDF found in pdf_backup/.
+Exit code 0 = all OK, 1 = mismatch or error.
+"""
+
 import os
+import sys
 
-# Check the test PDF file
-if os.path.exists('test_label.pdf'):
-    file_size = os.path.getsize('test_label.pdf')
-    print(f'test_label.pdf exists ({file_size} bytes)')
-    print(f'Expected: 35mm x 25mm landscape (99.2 x 70.9 points)')
-    print(f'')
-    print(f'Open test_label.pdf in a PDF viewer to verify:')
-    print(f'  - Page size should be wider than tall')
-    print(f'  - Content should be correctly oriented')
-    print(f'')
-    print(f'In Adobe Reader: File > Properties > Description')
-    print(f'  Page size should show: 3.5 x 2.5 cm or 1.38 x 0.98 in')
-else:
-    print('test_label.pdf not found')
+# ── Target dimensions ────────────────────────────────────────────────────────
+TARGET_W_MM = 35.0   # width  (landscape, wider side)
+TARGET_H_MM = 25.0   # height
+TOLERANCE_MM = 0.5   # ± 0.5 mm is acceptable rounding from PDF viewers
+
+PT_PER_MM = 72.0 / 25.4   # 1 mm in points
+
+
+def read_page_size_pt(pdf_path):
+    """
+    Return (width_pt, height_pt) of the first page of *pdf_path*.
+    Tries pypdf first, then pymupdf (fitz) as a fallback.
+    Raises RuntimeError if neither library is available.
+    """
+    # ── pypdf ────────────────────────────────────────────────────────────────
+    try:
+        from pypdf import PdfReader                     # type: ignore
+        reader = PdfReader(pdf_path)
+        page = reader.pages[0]
+        w = float(page.mediabox.width)
+        h = float(page.mediabox.height)
+        return w, h
+    except ImportError:
+        pass
+
+    # ── pymupdf (fitz) ───────────────────────────────────────────────────────
+    try:
+        import fitz                                     # type: ignore
+        doc = fitz.open(pdf_path)
+        rect = doc[0].rect
+        return rect.width, rect.height
+    except ImportError:
+        pass
+
+    raise RuntimeError(
+        "Install pypdf or pymupdf:\n"
+        "  pip install pypdf\n"
+        "  pip install pymupdf"
+    )
+
+
+def check_file(pdf_path):
+    """Print a pass/fail line for one PDF.  Returns True if dimensions match."""
+    if not os.path.exists(pdf_path):
+        print(f"  MISS  {pdf_path}  (file not found)")
+        return False
+
+    try:
+        w_pt, h_pt = read_page_size_pt(pdf_path)
+    except Exception as e:
+        print(f"  ERR   {pdf_path}  ({e})")
+        return False
+
+    w_mm = w_pt / PT_PER_MM
+    h_mm = h_pt / PT_PER_MM
+
+    w_ok = abs(w_mm - TARGET_W_MM) <= TOLERANCE_MM
+    h_ok = abs(h_mm - TARGET_H_MM) <= TOLERANCE_MM
+    ok = w_ok and h_ok
+
+    status = "PASS" if ok else "FAIL"
+    print(
+        f"  {status}  {os.path.basename(pdf_path)}"
+        f"  {w_mm:.2f}×{h_mm:.2f} mm"
+        f"  (target {TARGET_W_MM}×{TARGET_H_MM} mm ±{TOLERANCE_MM} mm)"
+    )
+    return ok
+
+
+def main():
+    targets = sys.argv[1:]
+
+    if not targets:
+        backup_dir = os.path.join(os.path.dirname(__file__), "pdf_backup")
+        if os.path.isdir(backup_dir):
+            targets = [
+                os.path.join(backup_dir, f)
+                for f in sorted(os.listdir(backup_dir))
+                if f.lower().endswith(".pdf")
+            ]
+        if not targets:
+            # fall back to test_label.pdf in cwd
+            targets = ["test_label.pdf"]
+
+    print(f"Checking {len(targets)} PDF(s)…")
+    results = [check_file(p) for p in targets]
+
+    total  = len(results)
+    passed = sum(results)
+    failed = total - passed
+    print(f"\n  {passed}/{total} passed" + (f", {failed} FAILED" if failed else ""))
+    sys.exit(0 if failed == 0 else 1)
+
+
+if __name__ == "__main__":
+    main()