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bpo-25430: improve performance of IPNetwork.__contains__ (GH-1785)

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make a compare in bit-operation manner.
This commit is contained in:
gescheit
2019-04-30 10:54:30 +03:00
committed by Inada Naoki
parent b0a2c0fa83
commit 3bbcc92577
2 changed files with 2 additions and 2 deletions
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3
Lib/ipaddress.py
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@@ -697,8 +697,7 @@ class _BaseNetwork(_IPAddressBase):
# dealing with another address
else:
# address
return (int(self.network_address) <= int(other._ip) <=
int(self.broadcast_address))
return other._ip & self.netmask._ip == self.network_address._ip
def overlaps(self, other):
"""Tell if self is partly contained in other."""

1
Misc/NEWS.d/next/Library/2019-04-15-12-22-09.bpo-25430.7_8kqc.rst Normal file
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@@ -0,0 +1 @@
improve performance of ``IPNetwork.__contains__()``