diff options
Diffstat (limited to '.venv/lib/python3.12/site-packages/pptx/media.py')
-rw-r--r-- | .venv/lib/python3.12/site-packages/pptx/media.py | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/pptx/media.py b/.venv/lib/python3.12/site-packages/pptx/media.py new file mode 100644 index 00000000..7aaf47ca --- /dev/null +++ b/.venv/lib/python3.12/site-packages/pptx/media.py @@ -0,0 +1,197 @@ +"""Objects related to images, audio, and video.""" + +from __future__ import annotations + +import base64 +import hashlib +import os +from typing import IO + +from pptx.opc.constants import CONTENT_TYPE as CT +from pptx.util import lazyproperty + + +class Video(object): + """Immutable value object representing a video such as MP4.""" + + def __init__(self, blob: bytes, mime_type: str | None, filename: str | None): + super(Video, self).__init__() + self._blob = blob + self._mime_type = mime_type + self._filename = filename + + @classmethod + def from_blob(cls, blob: bytes, mime_type: str | None, filename: str | None = None): + """Return a new |Video| object loaded from image binary in *blob*.""" + return cls(blob, mime_type, filename) + + @classmethod + def from_path_or_file_like(cls, movie_file: str | IO[bytes], mime_type: str | None) -> Video: + """Return a new |Video| object containing video in *movie_file*. + + *movie_file* can be either a path (string) or a file-like + (e.g. StringIO) object. + """ + if isinstance(movie_file, str): + # treat movie_file as a path + with open(movie_file, "rb") as f: + blob = f.read() + filename = os.path.basename(movie_file) + else: + # assume movie_file is a file-like object + blob = movie_file.read() + filename = None + + return cls.from_blob(blob, mime_type, filename) + + @property + def blob(self): + """The bytestream of the media "file".""" + return self._blob + + @property + def content_type(self): + """MIME-type of this media, e.g. `'video/mp4'`.""" + return self._mime_type + + @property + def ext(self): + """Return the file extension for this video, e.g. 'mp4'. + + The extension is that from the actual filename if known. Otherwise + it is the lowercase canonical extension for the video's MIME type. + 'vid' is used if the MIME type is 'video/unknown'. + """ + if self._filename: + return os.path.splitext(self._filename)[1].lstrip(".") + return { + CT.ASF: "asf", + CT.AVI: "avi", + CT.MOV: "mov", + CT.MP4: "mp4", + CT.MPG: "mpg", + CT.MS_VIDEO: "avi", + CT.SWF: "swf", + CT.WMV: "wmv", + CT.X_MS_VIDEO: "avi", + }.get(self._mime_type, "vid") + + @property + def filename(self) -> str: + """Return a filename.ext string appropriate to this video. + + The base filename from the original path is used if this image was + loaded from the filesystem. If no filename is available, such as when + the video object is created from an in-memory stream, the string + 'movie.{ext}' is used where 'ext' is suitable to the video format, + such as 'mp4'. + """ + if self._filename is not None: + return self._filename + return "movie.%s" % self.ext + + @lazyproperty + def sha1(self): + """The SHA1 hash digest for the binary "file" of this video. + + Example: `'1be010ea47803b00e140b852765cdf84f491da47'` + """ + return hashlib.sha1(self._blob).hexdigest() + + +SPEAKER_IMAGE_BYTES = base64.b64decode( + "iVBORw0KGgoAAAANSUhEUgAAAHgAAAA3CAYAAADHao5rAAAACXBIWXMAAAsTAAALEwEAmpw" + "YAAAKT2lDQ1BQaG90b3Nob3AgSUNDIHByb2ZpbGUAAHjanVNnVFPpFj333vRCS4iAlEtvUh" + "UIIFJCi4AUkSYqIQkQSoghodkVUcERRUUEG8igiAOOjoCMFVEsDIoK2AfkIaKOg6OIisr74" + "Xuja9a89+bN/rXXPues852zzwfACAyWSDNRNYAMqUIeEeCDx8TG4eQuQIEKJHAAEAizZCFz" + "/SMBAPh+PDwrIsAHvgABeNMLCADATZvAMByH/w/qQplcAYCEAcB0kThLCIAUAEB6jkKmAEB" + "GAYCdmCZTAKAEAGDLY2LjAFAtAGAnf+bTAICd+Jl7AQBblCEVAaCRACATZYhEAGg7AKzPVo" + 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