38 lines
918 B
Python
38 lines
918 B
Python
"""MediaPart and related objects."""
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from __future__ import annotations
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import hashlib
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from pptx.opc.package import Part
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from pptx.util import lazyproperty
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class MediaPart(Part):
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"""A media part, containing an audio or video resource.
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A media part generally has a partname matching the regex
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`ppt/media/media[1-9][0-9]*.*`.
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"""
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@classmethod
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def new(cls, package, media):
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"""Return new |MediaPart| instance containing `media`.
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`media` must be a |Media| object.
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"""
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return cls(
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package.next_media_partname(media.ext),
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media.content_type,
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package,
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media.blob,
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)
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@lazyproperty
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def sha1(self):
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"""The SHA1 hash digest for the media binary of this media part.
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Example: `'1be010ea47803b00e140b852765cdf84f491da47'`
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"""
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return hashlib.sha1(self._blob).hexdigest()
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