A Mapping is a generic container for associating key/value pairs.
This class provides concrete generic implementations of all methods except for getitem, iter, and len.
Methods
get
get
(
key
,
default
=
None
)
Retrieve the corresponding layout by the string key.
When there isn't an exact match, all the existing keys in the layout map will be treated as a regex and map against the input key again. The first match will be returned, based on the key insertion order. Return None if there isn't any match found.
Args
key
the string key as the query for the layout.
Returns
Corresponding layout based on the query.
items
items
()
D.items() -> a set-like object providing a view on D's items
keys
keys
()
D.keys() -> a set-like object providing a view on D's keys
values
values
()
D.values() -> an object providing a view on D's values
__contains__
__contains__
(
key
)
__eq__
__eq__
(
other
)
Return self==value.
__getitem__
__getitem__
(
key
)
__iter__
__iter__
()
__len__
__len__
()
