feat: be defensive against missing MediaBox

That is invalid PDF, but there are lots of invalid PDFs out there
pdfminer · Aug 1, 2024 · 548c018 · 548c018
1 parent ad101c1
commit 548c018
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/pdfminer/pdfpage.py b/pdfminer/pdfpage.py
@@ -67,10 +67,12 @@ def __init__(
         self.resources: Dict[object, object] = resolve1(
             self.attrs.get("Resources", dict()),
         )
-        mediabox_params: List[Any] = [
-            resolve1(mediabox_param)
-            for mediabox_param in resolve1(self.attrs["MediaBox"])
-        ]
+        mediabox_params: List[Any] = []
+        if "MediaBox" in self.attrs:
+            mediabox_params.extend(
+                resolve1(mediabox_param)
+                for mediabox_param in resolve1(self.attrs["MediaBox"])
+            )
         self.mediabox = parse_rect(resolve1(mediabox_params))
         self.cropbox = self.mediabox
         if "CropBox" in self.attrs: