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import sys
from typing import TYPE_CHECKING, Optional, Union
from .jupyter import JupyterMixin
from .segment import Segment
from .style import Style
from ._emoji_codes import EMOJI
from ._emoji_replace import _emoji_replace
if sys.version_info >= (3, 8):
from typing import Literal
else:
from pip._vendor.typing_extensions import Literal # pragma: no cover
if TYPE_CHECKING:
from .console import Console, ConsoleOptions, RenderResult
EmojiVariant = Literal["emoji", "text"]
class NoEmoji(Exception):
"""No emoji by that name."""
class Emoji(JupyterMixin):
__slots__ = ["name", "style", "_char", "variant"]
VARIANTS = {"text": "\uFE0E", "emoji": "\uFE0F"}
def __init__(
self,
name: str,
style: Union[str, Style] = "none",
variant: Optional[EmojiVariant] = None,
) -> None:
"""A single emoji character.
Args:
name (str): Name of emoji.
style (Union[str, Style], optional): Optional style. Defaults to None.
Raises:
NoEmoji: If the emoji doesn't exist.
"""
self.name = name
self.style = style
self.variant = variant
try:
self._char = EMOJI[name]
except KeyError:
raise NoEmoji(f"No emoji called {name!r}")
if variant is not None:
self._char += self.VARIANTS.get(variant, "")
@classmethod
def replace(cls, text: str) -> str:
"""Replace emoji markup with corresponding unicode characters.
Args:
text (str): A string with emojis codes, e.g. "Hello :smiley:!"
Returns:
str: A string with emoji codes replaces with actual emoji.
"""
return _emoji_replace(text)
def __repr__(self) -> str:
return f"<emoji {self.name!r}>"
def __str__(self) -> str:
return self._char
def __rich_console__(
self, console: "Console", options: "ConsoleOptions"
) -> "RenderResult":
yield Segment(self._char, console.get_style(self.style))
if __name__ == "__main__": # pragma: no cover
import sys
from pip._vendor.rich.columns import Columns
from pip._vendor.rich.console import Console
console = Console(record=True)
columns = Columns(
(f":{name}: {name}" for name in sorted(EMOJI.keys()) if "\u200D" not in name),
column_first=True,
)
console.print(columns)
if len(sys.argv) > 1:
console.save_html(sys.argv[1])