colour.utilities.Lookup

class colour.utilities.Lookup[source]

Extends dict type to provide a lookup by value(s).

keys_from_value()[source]
first_key_from_value()[source]

References

[Mana]

Examples

>>> person = Lookup(first_name='Doe', last_name='John', gender='male')
>>> person.first_key_from_value('Doe')
'first_name'
>>> persons = Lookup(John='Doe', Jane='Doe', Luke='Skywalker')
>>> sorted(persons.keys_from_value('Doe'))
['Jane', 'John']
__init__()

x.__init__(…) initializes x; see help(type(x)) for signature

Methods

clear()
copy()
first_key_from_value(value) Gets the first key with given value.
fromkeys(S[,v]) v defaults to None.
get(k[,d])
has_key(k)
items()
iteritems()
iterkeys()
itervalues()
keys()
keys_from_value(value) Gets the keys with given value.
pop(k[,d]) If key is not found, d is returned if given, otherwise KeyError is raised
popitem() 2-tuple; but raise KeyError if D is empty.
setdefault(k[,d])
update([E, ]**F) If E present and has a .keys() method, does: for k in E: D[k] = E[k] If E present and lacks .keys() method, does: for (k, v) in E: D[k] = v In either case, this is followed by: for k in F: D[k] = F[k]
values()
viewitems()
viewkeys()
viewvalues()