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Add omit_empty to friendly_list

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Darren Burns
2022-04-28 13:28:18 +01:00
parent 22eef4c31e
commit 984d43e99d
1 changed files with 6 additions and 2 deletions
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8
src/textual/css/_error_tools.py
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@@ -3,7 +3,9 @@ from __future__ import annotations
from typing import Iterable
def friendly_list(words: Iterable[str], joiner: str = "or") -> str:
def friendly_list(
words: Iterable[str], joiner: str = "or", omit_empty: bool = True
) -> str:
"""Generate a list of words as readable prose.
>>> friendly_list(["foo", "bar", "baz"])
@@ -16,7 +18,9 @@ def friendly_list(words: Iterable[str], joiner: str = "or") -> str:
Returns:
str: List as prose.
"""
words = [repr(word) for word in sorted(words, key=str.lower) if word]
words = [
repr(word) for word in sorted(words, key=str.lower) if word or not omit_empty
]
if len(words) == 1:
return words[0]
elif len(words) == 2: