66 lines
1.4 KiB
Python
66 lines
1.4 KiB
Python
from . import yaml
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@yaml.sequence(u"!Unordered")
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class Unordered:
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"""
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A list where order is not important (like a set, except elements can be repeated)
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Represented by `!Unordered` in YAML.
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"""
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def __init__(self, *args):
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self.items = args
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def __iter__(self):
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return iter(self.items)
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def __eq__(self, other):
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items = list(self.items)
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try:
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for x in other:
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items.remove(x)
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return True
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except ValueError:
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return False
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@yaml.scalar(u"!Approx")
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class Approx:
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"""
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A helper which allows for approximate comparison of floats using `!Approx`
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"""
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def __init__(self, value, threshold=0.000001):
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self.value = float(value)
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self.threshold = threshold
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def __eq__(self, other):
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diff = abs(other - self.value)
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return diff <= self.threshold
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def __repr__(self):
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return "Approx({})".format(self.value)
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def get_value(self):
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return self.value
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@yaml.scalar(u"!Trim")
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class Trim:
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"""
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A helper which allows for comparison of trimmed strings with `!Trim`
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"""
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def __init__(self, value):
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self.value = value
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def __eq__(self, other):
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return self.value.strip() == other.strip()
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def __repr__(self):
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return "Strip({})".format(self.value)
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def get_value(self):
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return self.value
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