33 lines
1.0 KiB
Python
33 lines
1.0 KiB
Python
from typing import Callable, Match, Optional
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import re
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from ._emoji_codes import EMOJI
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_ReStringMatch = Match[str] # regex match object
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_ReSubCallable = Callable[[_ReStringMatch], str] # Callable invoked by re.sub
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_EmojiSubMethod = Callable[[_ReSubCallable, str], str] # Sub method of a compiled re
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def _emoji_replace(
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text: str,
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default_variant: Optional[str] = None,
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_emoji_sub: _EmojiSubMethod = re.compile(r"(:(\S*?)(?:(?:\-)(emoji|text))?:)").sub,
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) -> str:
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"""Replace emoji code in text."""
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get_emoji = EMOJI.__getitem__
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variants = {"text": "\uFE0E", "emoji": "\uFE0F"}
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get_variant = variants.get
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default_variant_code = variants.get(default_variant, "") if default_variant else ""
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def do_replace(match: Match[str]) -> str:
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emoji_code, emoji_name, variant = match.groups()
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try:
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return get_emoji(emoji_name.lower()) + get_variant(
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variant, default_variant_code
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)
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except KeyError:
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return emoji_code
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return _emoji_sub(do_replace, text)
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