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gestao_raul/Lib/site-packages/PIL/JpegImagePlugin.py

@@ -72,7 +72,7 @@ def APP(self: JpegImageFile, marker: int) -> None:
     n = i16(self.fp.read(2)) - 2
     s = ImageFile._safe_read(self.fp, n)
 
-    app = "APP%d" % (marker & 15)
+    app = f"APP{marker & 15}"
 
     self.app[app] = s  # compatibility
     self.applist.append((app, s))
@@ -90,6 +90,9 @@ def APP(self: JpegImageFile, marker: int) -> None:
         else:
             if jfif_unit == 1:
                 self.info["dpi"] = jfif_density
+            elif jfif_unit == 2:  # cm
+                # 1 dpcm = 2.54 dpi
+                self.info["dpi"] = tuple(d * 2.54 for d in jfif_density)
             self.info["jfif_unit"] = jfif_unit
             self.info["jfif_density"] = jfif_density
     elif marker == 0xFFE1 and s[:6] == b"Exif\0\0":
@@ -395,6 +398,13 @@ class JpegImageFile(ImageFile.ImageFile):
             return getattr(self, "_" + name)
         raise AttributeError(name)
 
+    def __getstate__(self) -> list[Any]:
+        return super().__getstate__() + [self.layers, self.layer]
+
+    def __setstate__(self, state: list[Any]) -> None:
+        super().__setstate__(state)
+        self.layers, self.layer = state[5:]
+
     def load_read(self, read_bytes: int) -> bytes:
         """
         internal: read more image data
@@ -751,7 +761,7 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
     extra = info.get("extra", b"")
 
     MAX_BYTES_IN_MARKER = 65533
-    xmp = info.get("xmp", im.info.get("xmp"))
+    xmp = info.get("xmp")
     if xmp:
         overhead_len = 29  # b"http://ns.adobe.com/xap/1.0/\x00"
         max_data_bytes_in_marker = MAX_BYTES_IN_MARKER - overhead_len