2298d36bed
- Create Economist SubmissionTracking package correctly: * mainArticle = full blog post content * coverLetter = 216-word SIR— letter * Links to blog post via blogPostId - Archive 'Letter to The Economist' from blog posts (it's the cover letter) - Fix date display on article cards (use published_at) - Target publication already displaying via blue badge Database changes: - Make blogPostId optional in SubmissionTracking model - Economist package ID: 68fa85ae49d4900e7f2ecd83 - Le Monde package ID: 68fa2abd2e6acd5691932150 Next: Enhanced modal with tabs, validation, export 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
197 lines
10 KiB
Python
197 lines
10 KiB
Python
"""Objects related to images, audio, and video."""
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from __future__ import annotations
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import base64
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import hashlib
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import os
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from typing import IO
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from pptx.opc.constants import CONTENT_TYPE as CT
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from pptx.util import lazyproperty
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class Video(object):
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"""Immutable value object representing a video such as MP4."""
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def __init__(self, blob: bytes, mime_type: str | None, filename: str | None):
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super(Video, self).__init__()
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self._blob = blob
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self._mime_type = mime_type
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self._filename = filename
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@classmethod
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def from_blob(cls, blob: bytes, mime_type: str | None, filename: str | None = None):
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"""Return a new |Video| object loaded from image binary in *blob*."""
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return cls(blob, mime_type, filename)
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@classmethod
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def from_path_or_file_like(cls, movie_file: str | IO[bytes], mime_type: str | None) -> Video:
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"""Return a new |Video| object containing video in *movie_file*.
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*movie_file* can be either a path (string) or a file-like
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(e.g. StringIO) object.
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"""
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if isinstance(movie_file, str):
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# treat movie_file as a path
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with open(movie_file, "rb") as f:
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blob = f.read()
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filename = os.path.basename(movie_file)
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else:
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# assume movie_file is a file-like object
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blob = movie_file.read()
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filename = None
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return cls.from_blob(blob, mime_type, filename)
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@property
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def blob(self):
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"""The bytestream of the media "file"."""
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return self._blob
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@property
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def content_type(self):
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"""MIME-type of this media, e.g. `'video/mp4'`."""
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return self._mime_type
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@property
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def ext(self):
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"""Return the file extension for this video, e.g. 'mp4'.
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The extension is that from the actual filename if known. Otherwise
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it is the lowercase canonical extension for the video's MIME type.
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'vid' is used if the MIME type is 'video/unknown'.
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"""
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if self._filename:
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return os.path.splitext(self._filename)[1].lstrip(".")
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return {
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CT.ASF: "asf",
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CT.AVI: "avi",
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CT.MOV: "mov",
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CT.MP4: "mp4",
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CT.MPG: "mpg",
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CT.MS_VIDEO: "avi",
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CT.SWF: "swf",
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CT.WMV: "wmv",
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CT.X_MS_VIDEO: "avi",
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}.get(self._mime_type, "vid")
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@property
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def filename(self) -> str:
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"""Return a filename.ext string appropriate to this video.
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The base filename from the original path is used if this image was
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loaded from the filesystem. If no filename is available, such as when
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the video object is created from an in-memory stream, the string
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'movie.{ext}' is used where 'ext' is suitable to the video format,
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such as 'mp4'.
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"""
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if self._filename is not None:
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return self._filename
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return "movie.%s" % self.ext
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@lazyproperty
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def sha1(self):
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"""The SHA1 hash digest for the binary "file" of this video.
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Example: `'1be010ea47803b00e140b852765cdf84f491da47'`
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"""
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return hashlib.sha1(self._blob).hexdigest()
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SPEAKER_IMAGE_BYTES = base64.b64decode(
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"iVBORw0KGgoAAAANSUhEUgAAAHgAAAA3CAYAAADHao5rAAAACXBIWXMAAAsTAAALEwEAmpw"
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"YAAAKT2lDQ1BQaG90b3Nob3AgSUNDIHByb2ZpbGUAAHjanVNnVFPpFj333vRCS4iAlEtvUh"
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"UIIFJCi4AUkSYqIQkQSoghodkVUcERRUUEG8igiAOOjoCMFVEsDIoK2AfkIaKOg6OIisr74"
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"Xuja9a89+bN/rXXPues852zzwfACAyWSDNRNYAMqUIeEeCDx8TG4eQuQIEKJHAAEAizZCFz"
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"/SMBAPh+PDwrIsAHvgABeNMLCADATZvAMByH/w/qQplcAYCEAcB0kThLCIAUAEB6jkKmAEB"
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"GAYCdmCZTAKAEAGDLY2LjAFAtAGAnf+bTAICd+Jl7AQBblCEVAaCRACATZYhEAGg7AKzPVo"
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"pFAFgwABRmS8Q5ANgtADBJV2ZIALC3AMDOEAuyAAgMADBRiIUpAAR7AGDIIyN4AISZABRG8"
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"lc88SuuEOcqAAB4mbI8uSQ5RYFbCC1xB1dXLh4ozkkXKxQ2YQJhmkAuwnmZGTKBNA/g88wA"
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)
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