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Add typing annotation to IntervalIndex.intersection #26870

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Merged
merged 5 commits into from
Jun 18, 2019
Merged

Add typing annotation to IntervalIndex.intersection #26870

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43213c4
Annotate IntervalIndex.intersection
makbigc Jun 15, 2019
941ecae
Remove the annotation for self and other
makbigc Jun 15, 2019
92ec711
Add annotation to other
makbigc Jun 17, 2019
8577ef6
Use single quotes instead
makbigc Jun 18, 2019
9f485c3
merge
makbigc Jun 18, 2019
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13 changes: 10 additions & 3 deletions pandas/core/indexes/interval.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1140,7 +1140,10 @@ def overlaps(self, other):

@Appender(_index_shared_docs['intersection'])
@SetopCheck(op_name='intersection')
def intersection(self, other, sort=False):
def intersection(self,
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typing nitpick, we use single quotes on these annotations, otherwise lgtm. ping on green.

@WillAyd can we systematically check this?

other: "IntervalIndex",
sort: bool = False
) -> "IntervalIndex":
if self.left.is_unique and self.right.is_unique:
taken = self._intersection_unique(other)
elif (other.left.is_unique and other.right.is_unique and
Expand All @@ -1157,7 +1160,9 @@ def intersection(self, other, sort=False):

return taken

def _intersection_unique(self, other):
def _intersection_unique(self,
other: "IntervalIndex"
) -> "IntervalIndex":
"""
Used when the IntervalIndex does not have any common endpoint,
no mater left or right.
Expand All @@ -1179,7 +1184,9 @@ def _intersection_unique(self, other):

return self.take(indexer)

def _intersection_non_unique(self, other):
def _intersection_non_unique(self,
other: "IntervalIndex"
) -> "IntervalIndex":
"""
Used when the IntervalIndex does have some common endpoints,
on either sides.
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