7 examples of 'python sort key lambda' in Python

4
def sort(func):
5
6
    def func_wrapper():
7
        return sorted(func())
8
    return func_wrapper

1217
def sort_keys(k):
1218
    s = '1_'
1219
    if k == 'import':
1220
        s = '0_'
1221
    return s + k

17
def sorted_key_from_cmp(cmp_func, key_func=None):
18
    class _key_proxy:
19
20
        __slots__ = ('_obj',)
21
22
        if key_func: # done this way for speed reasons.
23
            def __init__(self, obj, key_convert=key_func):
24
                self._obj = key_convert(obj)
25
        else:
26
            def __init__(self, obj):
27
                self._obj = obj
28
29
        def __lt__(self, other, _cmp_func=cmp_func):
30
            return _cmp_func(self._obj, other._obj) < 0
31
32
    return _key_proxy

70
def sorted(lst, cmp=None, key=None, reverse=None):
71
    "sorted(iterable, cmp=None, key=None, reverse=False) --> new sorted list"
72
    sorted_lst = list(lst)
73
    sorted_lst.sort(cmp, key, reverse)
74
    return sorted_lst

909
""" Contains(self: Queue[T], item: T) -> bool """
910
pass

247
def key_to_cmp(key, reverse=False):
248
    if key:
249
        if reverse: return lambda a, b: cmp(key(b), key(a))
250
        else: return lambda a, b: cmp(key(a), key(b))  
251
    else:
252
        return None

83
def key_(i):
84
    return key(src[i])