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

make a compare in bit-operation manner.

bpo-25430: improve performance of IPNetwork.contains (GH-1785)
make a compare in bit-operation manner.
3bbcc925 · gescheit · Inada Naoki · b0a2c0fa · 3bbcc925 · 3bbcc925
Kaydet (Commit) 3bbcc925 authored Nis 30, 2019 tarafından gescheit Kaydeden (comit) Inada Naoki Nis 30, 2019
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Showing with 3 additions and 2 deletions

ipaddress.py Lib/ipaddress.py +1 -2

2019-04-15-12-22-09.bpo-25430.7_8kqc.rst ...S.d/next/Library/2019-04-15-12-22-09.bpo-25430.7_8kqc.rst +2 -0

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--- a/Lib/ipaddress.py
+++ b/Lib/ipaddress.py
@@ -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."""

--- a/Misc/NEWS.d/next/Library/2019-04-15-12-22-09.bpo-25430.7_8kqc.rst
+++ b/Misc/NEWS.d/next/Library/2019-04-15-12-22-09.bpo-25430.7_8kqc.rst
+improve performance of ``IPNetwork.__contains__()``
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