diff options
Diffstat (limited to 'src/snakeoil/iterables.py')
| -rw-r--r-- | src/snakeoil/iterables.py | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/src/snakeoil/iterables.py b/src/snakeoil/iterables.py index 787af67..7176a2b 100644 --- a/src/snakeoil/iterables.py +++ b/src/snakeoil/iterables.py @@ -19,8 +19,7 @@ def partition(iterable, predicate=bool): filter and the second the matched items. """ a, b = itertools.tee((predicate(x), x) for x in iterable) - return ((x for pred, x in a if not pred), - (x for pred, x in b if pred)) + return ((x for pred, x in a if not pred), (x for pred, x in b if pred)) class expandable_chain: @@ -107,6 +106,7 @@ class caching_iter: 3 """ + __slots__ = ("iterable", "__weakref__", "cached_list", "sorter") def __init__(self, iterable, sorter=None): @@ -139,7 +139,7 @@ class caching_iter: if self.iterable is not None: i = itertools.islice(self.iterable, 0, index - (existing_len - 1)) self.cached_list.extend(i) - if len(self.cached_list) -1 != index: + if len(self.cached_list) - 1 != index: # consumed, baby. self.iterable = None self.cached_list = tuple(self.cached_list) @@ -209,8 +209,7 @@ class caching_iter: return len(self.cached_list) def __iter__(self): - if (self.sorter is not None and - self.iterable is not None): + if self.sorter is not None and self.iterable is not None: if self.cached_list: self.cached_list.extend(self.iterable) self.cached_list = tuple(self.sorter(self.cached_list)) @@ -237,8 +236,7 @@ class caching_iter: return hash(self.cached_list) def __str__(self): - return "iterable(%s), cached: %s" % ( - self.iterable, str(self.cached_list)) + return "iterable(%s), cached: %s" % (self.iterable, str(self.cached_list)) def iter_sort(sorter, *iterables): |