1 files changed, 126 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/pptx/parts/presentation.py b/.venv/lib/python3.12/site-packages/pptx/parts/presentation.py
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+++ b/.venv/lib/python3.12/site-packages/pptx/parts/presentation.py
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+"""Presentation part, the main part in a .pptx package."""
+
+from __future__ import annotations
+
+from typing import IO, TYPE_CHECKING, Iterable
+
+from pptx.opc.constants import RELATIONSHIP_TYPE as RT
+from pptx.opc.package import XmlPart
+from pptx.opc.packuri import PackURI
+from pptx.parts.slide import NotesMasterPart, SlidePart
+from pptx.presentation import Presentation
+from pptx.util import lazyproperty
+
+if TYPE_CHECKING:
+    from pptx.parts.coreprops import CorePropertiesPart
+    from pptx.slide import NotesMaster, Slide, SlideLayout, SlideMaster
+
+
+class PresentationPart(XmlPart):
+    """Top level class in object model.
+
+    Represents the contents of the /ppt directory of a .pptx file.
+    """
+
+    def add_slide(self, slide_layout: SlideLayout):
+        """Return (rId, slide) pair of a newly created blank slide.
+
+        New slide inherits appearance from `slide_layout`.
+        """
+        partname = self._next_slide_partname
+        slide_layout_part = slide_layout.part
+        slide_part = SlidePart.new(partname, self.package, slide_layout_part)
+        rId = self.relate_to(slide_part, RT.SLIDE)
+        return rId, slide_part.slide
+
+    @property
+    def core_properties(self) -> CorePropertiesPart:
+        """A |CoreProperties| object for the presentation.
+
+        Provides read/write access to the Dublin Core properties of this presentation.
+        """
+        return self.package.core_properties
+
+    def get_slide(self, slide_id: int) -> Slide | None:
+        """Return optional related |Slide| object identified by `slide_id`.
+
+        Returns |None| if no slide with `slide_id` is related to this presentation.
+        """
+        for sldId in self._element.sldIdLst:
+            if sldId.id == slide_id:
+                return self.related_part(sldId.rId).slide
+        return None
+
+    @lazyproperty
+    def notes_master(self) -> NotesMaster:
+        """
+        Return the |NotesMaster| object for this presentation. If the
+        presentation does not have a notes master, one is created from
+        a default template. The same single instance is returned on each
+        call.
+        """
+        return self.notes_master_part.notes_master
+
+    @lazyproperty
+    def notes_master_part(self) -> NotesMasterPart:
+        """Return the |NotesMasterPart| object for this presentation.
+
+        If the presentation does not have a notes master, one is created from a default template.
+        The same single instance is returned on each call.
+        """
+        try:
+            return self.part_related_by(RT.NOTES_MASTER)
+        except KeyError:
+            notes_master_part = NotesMasterPart.create_default(self.package)
+            self.relate_to(notes_master_part, RT.NOTES_MASTER)
+            return notes_master_part
+
+    @lazyproperty
+    def presentation(self):
+        """
+        A |Presentation| object providing access to the content of this
+        presentation.
+        """
+        return Presentation(self._element, self)
+
+    def related_slide(self, rId: str) -> Slide:
+        """Return |Slide| object for related |SlidePart| related by `rId`."""
+        return self.related_part(rId).slide
+
+    def related_slide_master(self, rId: str) -> SlideMaster:
+        """Return |SlideMaster| object for |SlideMasterPart| related by `rId`."""
+        return self.related_part(rId).slide_master
+
+    def rename_slide_parts(self, rIds: Iterable[str]):
+        """Assign incrementing partnames to the slide parts identified by `rIds`.
+
+        Partnames are like `/ppt/slides/slide9.xml` and are assigned in the order their id appears
+        in the `rIds` sequence. The name portion is always `slide`. The number part forms a
+        continuous sequence starting at 1 (e.g. 1, 2, ... 10, ...). The extension is always
+        `.xml`.
+        """
+        for idx, rId in enumerate(rIds):
+            slide_part = self.related_part(rId)
+            slide_part.partname = PackURI("/ppt/slides/slide%d.xml" % (idx + 1))
+
+    def save(self, path_or_stream: str | IO[bytes]):
+        """Save this presentation package to `path_or_stream`.
+
+        `path_or_stream` can be either a path to a filesystem location (a string) or a
+        file-like object.
+        """
+        self.package.save(path_or_stream)
+
+    def slide_id(self, slide_part):
+        """Return the slide-id associated with `slide_part`."""
+        for sldId in self._element.sldIdLst:
+            if self.related_part(sldId.rId) is slide_part:
+                return sldId.id
+        raise ValueError("matching slide_part not found")
+
+    @property
+    def _next_slide_partname(self):
+        """Return |PackURI| instance containing next available slide partname."""
+        sldIdLst = self._element.get_or_add_sldIdLst()
+        partname_str = "/ppt/slides/slide%d.xml" % (len(sldIdLst) + 1)
+        return PackURI(partname_str)