47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
import mimetypes
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import re
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from datetime import datetime
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from pathlib import Path
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from typing import Any
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from typing import Dict
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from typing import List
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from typing import Set
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from little_boxes import activitypub as ap
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EMOJI_REGEX = re.compile(r"(:[\d\w]+:)")
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EMOJIS: Dict[str, ap.Emoji] = {}
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EMOJIS_BY_NAME: Dict[str, ap.Emoji] = {}
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def _load_emojis(root_dir: Path, base_url: str) -> None:
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if EMOJIS:
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return
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for emoji in (root_dir / "static" / "emojis").iterdir():
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mt = mimetypes.guess_type(emoji.name)[0]
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if mt and mt.startswith("image/"):
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name = emoji.name.split(".")[0]
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ap_emoji = ap.Emoji(
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name=f":{name}:",
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updated=ap.format_datetime(datetime.fromtimestamp(0.0).astimezone()),
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id=f"{base_url}/emoji/{name}",
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icon={
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"mediaType": mt,
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"type": ap.ActivityType.IMAGE.value,
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"url": f"{base_url}/static/emojis/{emoji.name}",
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},
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)
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EMOJIS[emoji.name] = ap_emoji
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EMOJIS_BY_NAME[ap_emoji.name] = ap_emoji
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def tags(content: str) -> List[Dict[str, Any]]:
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tags: List[Dict[str, Any]] = []
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added: Set[str] = set()
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for e in re.findall(EMOJI_REGEX, content):
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if e not in added and e in EMOJIS_BY_NAME:
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tags.append(EMOJIS_BY_NAME[e].to_dict())
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added.add(e)
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return tags
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