41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
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class IdentityMap(object):
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"""
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`dict`-like object which acts as if the value for any key is the key itself. Objects
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of this class can be passed in to arguments like `color_discrete_map` to
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use the provided data values as colors, rather than mapping them to colors cycled
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from `color_discrete_sequence`. This works for any `_map` argument to Plotly Express
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functions, such as `line_dash_map` and `symbol_map`.
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"""
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def __getitem__(self, key):
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return key
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def __contains__(self, key):
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return True
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def copy(self):
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return self
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class Constant(object):
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"""
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Objects of this class can be passed to Plotly Express functions that expect column
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identifiers or list-like objects to indicate that this attribute should take on a
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constant value. An optional label can be provided.
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"""
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def __init__(self, value, label=None):
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self.value = value
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self.label = label
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class Range(object):
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"""
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Objects of this class can be passed to Plotly Express functions that expect column
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identifiers or list-like objects to indicate that this attribute should be mapped
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onto integers starting at 0. An optional label can be provided.
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"""
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def __init__(self, label=None):
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self.label = label
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