two version of R2R are here HEAD master

1 files changed, 80 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/docx/parts/image.py b/.venv/lib/python3.12/site-packages/docx/parts/image.py
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+++ b/.venv/lib/python3.12/site-packages/docx/parts/image.py
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+"""The proxy class for an image part, and related objects."""
+
+from __future__ import annotations
+
+import hashlib
+from typing import TYPE_CHECKING
+
+from docx.image.image import Image
+from docx.opc.part import Part
+from docx.shared import Emu, Inches
+
+if TYPE_CHECKING:
+    from docx.opc.package import OpcPackage
+    from docx.opc.packuri import PackURI
+
+
+class ImagePart(Part):
+    """An image part.
+
+    Corresponds to the target part of a relationship with type RELATIONSHIP_TYPE.IMAGE.
+    """
+
+    def __init__(
+        self, partname: PackURI, content_type: str, blob: bytes, image: Image | None = None
+    ):
+        super(ImagePart, self).__init__(partname, content_type, blob)
+        self._image = image
+
+    @property
+    def default_cx(self):
+        """Native width of this image, calculated from its width in pixels and
+        horizontal dots per inch (dpi)."""
+        px_width = self.image.px_width
+        horz_dpi = self.image.horz_dpi
+        width_in_inches = px_width / horz_dpi
+        return Inches(width_in_inches)
+
+    @property
+    def default_cy(self):
+        """Native height of this image, calculated from its height in pixels and
+        vertical dots per inch (dpi)."""
+        px_height = self.image.px_height
+        horz_dpi = self.image.horz_dpi
+        height_in_emu = int(round(914400 * px_height / horz_dpi))
+        return Emu(height_in_emu)
+
+    @property
+    def filename(self):
+        """Filename from which this image part was originally created.
+
+        A generic name, e.g. 'image.png', is substituted if no name is available, for
+        example when the image was loaded from an unnamed stream. In that case a default
+        extension is applied based on the detected MIME type of the image.
+        """
+        if self._image is not None:
+            return self._image.filename
+        return "image.%s" % self.partname.ext
+
+    @classmethod
+    def from_image(cls, image: Image, partname: PackURI):
+        """Return an |ImagePart| instance newly created from `image` and assigned
+        `partname`."""
+        return ImagePart(partname, image.content_type, image.blob, image)
+
+    @property
+    def image(self) -> Image:
+        if self._image is None:
+            self._image = Image.from_blob(self.blob)
+        return self._image
+
+    @classmethod
+    def load(cls, partname: PackURI, content_type: str, blob: bytes, package: OpcPackage):
+        """Called by ``docx.opc.package.PartFactory`` to load an image part from a
+        package being opened by ``Document(...)`` call."""
+        return cls(partname, content_type, blob)
+
+    @property
+    def sha1(self):
+        """SHA1 hash digest of the blob of this image part."""
+        return hashlib.sha1(self.blob).hexdigest()