49 lines
1.3 KiB
Python
49 lines
1.3 KiB
Python
"Script which contains several utils for Haldis"
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import re
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from typing import Iterable, Optional
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def euro_string(value: Optional[int], unit="€ ") -> str:
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"""
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Convert cents to string formatted euro
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"""
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if value is None:
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return "✗"
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euro, cents = divmod(value, 100)
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if cents:
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return f"{unit}{euro}.{cents:02}"
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return f"{unit}{euro}"
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def parse_euro_string(value: str) -> Optional[int]:
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m = re.fullmatch("(?:€ ?)?([0-9]+)(?:[.,]([0-9]+))?", value)
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if not m:
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return None
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cents_02 = "{:0<2.2}".format(m.group(2)) if m.group(2) else "00"
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return int(m.group(1)) * 100 + int(cents_02)
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def price_range_string(price_range, include_upper=False):
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"Convert a price range to a string formatted euro"
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if price_range[0] == price_range[1]:
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return euro_string(price_range[0])
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return ("{}—{}" if include_upper else "from {}").format(
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*map(euro_string, price_range)
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)
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def first(iterable: Iterable, default=None):
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"""
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Return first element of iterable
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"""
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try:
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return next(iter(iterable))
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except StopIteration:
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return default
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def ignore_none(iterable: Iterable):
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"Filter to ignore None objects"
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return filter(lambda x: x is not None, iterable)
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