1 files changed, 130 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/pptx/oxml/presentation.py b/.venv/lib/python3.12/site-packages/pptx/oxml/presentation.py
new file mode 100644
index 00000000..17997c2b
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+++ b/.venv/lib/python3.12/site-packages/pptx/oxml/presentation.py
@@ -0,0 +1,130 @@
+"""Custom element classes for presentation-related XML elements."""
+
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Callable, cast
+
+from pptx.oxml.simpletypes import ST_SlideId, ST_SlideSizeCoordinate, XsdString
+from pptx.oxml.xmlchemy import BaseOxmlElement, RequiredAttribute, ZeroOrMore, ZeroOrOne
+
+if TYPE_CHECKING:
+    from pptx.util import Length
+
+
+class CT_Presentation(BaseOxmlElement):
+    """`p:presentation` element, root of the Presentation part stored as `/ppt/presentation.xml`."""
+
+    get_or_add_sldSz: Callable[[], CT_SlideSize]
+    get_or_add_sldIdLst: Callable[[], CT_SlideIdList]
+    get_or_add_sldMasterIdLst: Callable[[], CT_SlideMasterIdList]
+
+    sldMasterIdLst: CT_SlideMasterIdList | None = (
+        ZeroOrOne(  # pyright: ignore[reportAssignmentType]
+            "p:sldMasterIdLst",
+            successors=(
+                "p:notesMasterIdLst",
+                "p:handoutMasterIdLst",
+                "p:sldIdLst",
+                "p:sldSz",
+                "p:notesSz",
+            ),
+        )
+    )
+    sldIdLst: CT_SlideIdList | None = ZeroOrOne(  # pyright: ignore[reportAssignmentType]
+        "p:sldIdLst", successors=("p:sldSz", "p:notesSz")
+    )
+    sldSz: CT_SlideSize | None = ZeroOrOne(  # pyright: ignore[reportAssignmentType]
+        "p:sldSz", successors=("p:notesSz",)
+    )
+
+
+class CT_SlideId(BaseOxmlElement):
+    """`p:sldId` element.
+
+    Direct child of `p:sldIdLst` that contains an `rId` reference to a slide in the presentation.
+    """
+
+    id: int = RequiredAttribute("id", ST_SlideId)  # pyright: ignore[reportAssignmentType]
+    rId: str = RequiredAttribute("r:id", XsdString)  # pyright: ignore[reportAssignmentType]
+
+
+class CT_SlideIdList(BaseOxmlElement):
+    """`p:sldIdLst` element.
+
+    Direct child of <p:presentation> that contains a list of the slide parts in the presentation.
+    """
+
+    sldId_lst: list[CT_SlideId]
+
+    _add_sldId: Callable[..., CT_SlideId]
+    sldId = ZeroOrMore("p:sldId")
+
+    def add_sldId(self, rId: str) -> CT_SlideId:
+        """Create and return a reference to a new `p:sldId` child element.
+
+        The new `p:sldId` element has its r:id attribute set to `rId`.
+        """
+        return self._add_sldId(id=self._next_id, rId=rId)
+
+    @property
+    def _next_id(self) -> int:
+        """The next available slide ID as an `int`.
+
+        Valid slide IDs start at 256. The next integer value greater than the max value in use is
+        chosen, which minimizes that chance of reusing the id of a deleted slide.
+        """
+        MIN_SLIDE_ID = 256
+        MAX_SLIDE_ID = 2147483647
+
+        used_ids = [int(s) for s in cast("list[str]", self.xpath("./p:sldId/@id"))]
+        simple_next = max([MIN_SLIDE_ID - 1] + used_ids) + 1
+        if simple_next <= MAX_SLIDE_ID:
+            return simple_next
+
+        # -- fall back to search for next unused from bottom --
+        valid_used_ids = sorted(id for id in used_ids if (MIN_SLIDE_ID <= id <= MAX_SLIDE_ID))
+        return (
+            next(
+                candidate_id
+                for candidate_id, used_id in enumerate(valid_used_ids, start=MIN_SLIDE_ID)
+                if candidate_id != used_id
+            )
+            if valid_used_ids
+            else 256
+        )
+
+
+class CT_SlideMasterIdList(BaseOxmlElement):
+    """`p:sldMasterIdLst` element.
+
+    Child of `p:presentation` containing references to the slide masters that belong to the
+    presentation.
+    """
+
+    sldMasterId_lst: list[CT_SlideMasterIdListEntry]
+
+    sldMasterId = ZeroOrMore("p:sldMasterId")
+
+
+class CT_SlideMasterIdListEntry(BaseOxmlElement):
+    """
+    ``<p:sldMasterId>`` element, child of ``<p:sldMasterIdLst>`` containing
+    a reference to a slide master.
+    """
+
+    rId: str = RequiredAttribute("r:id", XsdString)  # pyright: ignore[reportAssignmentType]
+
+
+class CT_SlideSize(BaseOxmlElement):
+    """`p:sldSz` element.
+
+    Direct child of <p:presentation> that contains the width and height of slides in the
+    presentation.
+    """
+
+    cx: Length = RequiredAttribute(  # pyright: ignore[reportAssignmentType]
+        "cx", ST_SlideSizeCoordinate
+    )
+    cy: Length = RequiredAttribute(  # pyright: ignore[reportAssignmentType]
+        "cy", ST_SlideSizeCoordinate
+    )