From 830400c9bb1c3bc28a492b105b198574309308fb Mon Sep 17 00:00:00 2001
From: Bob Halley <halley@dnspython.org>
Date: Thu, 2 Apr 2020 08:58:48 -0700
Subject: [PATCH] types with properties should be get-only

---
 dns/rdtypes/ANY/AFSDB.py | 18 ++++++------------
 dns/rdtypes/ANY/GPOS.py  | 30 +++++++++---------------------
 dns/rdtypes/ANY/LOC.py   | 20 ++++++--------------
 3 files changed, 21 insertions(+), 47 deletions(-)

diff --git a/dns/rdtypes/ANY/AFSDB.py b/dns/rdtypes/ANY/AFSDB.py
index c6a700cf..10861e31 100644
--- a/dns/rdtypes/ANY/AFSDB.py
+++ b/dns/rdtypes/ANY/AFSDB.py
@@ -38,18 +38,12 @@ class AFSDB(dns.rdtypes.mxbase.UncompressedDowncasingMX):
     # implementation, but this way we don't copy code, and that's
     # good.
 
-    def get_subtype(self):
+    @property
+    def subtype(self):
+        "the AFSDB subtype"
         return self.preference
 
-    def set_subtype(self, subtype):
-        self.preference = subtype
-
-    subtype = property(get_subtype, set_subtype)
-
-    def get_hostname(self):
+    @property
+    def hostname(self):
+        "the AFSDB hostname"
         return self.exchange
-
-    def set_hostname(self, hostname):
-        self.exchange = hostname
-
-    hostname = property(get_hostname, set_hostname)
diff --git a/dns/rdtypes/ANY/GPOS.py b/dns/rdtypes/ANY/GPOS.py
index d64b1ee8..07be5d66 100644
--- a/dns/rdtypes/ANY/GPOS.py
+++ b/dns/rdtypes/ANY/GPOS.py
@@ -131,29 +131,17 @@ class GPOS(dns.rdata.Rdata):
         altitude = wire[current: current + l].unwrap()
         return cls(rdclass, rdtype, latitude, longitude, altitude)
 
-    def _get_float_latitude(self):
+    @property
+    def float_latitude(self):
+        "latitude as a floating point value"
         return float(self.latitude)
 
-    def _set_float_latitude(self, value):
-        self.latitude = str(value)
-
-    float_latitude = property(_get_float_latitude, _set_float_latitude,
-                              doc="latitude as a floating point value")
-
-    def _get_float_longitude(self):
+    @property
+    def float_longitude(self):
+        "longitude as a floating point value"
         return float(self.longitude)
 
-    def _set_float_longitude(self, value):
-        self.longitude = str(value)
-
-    float_longitude = property(_get_float_longitude, _set_float_longitude,
-                               doc="longitude as a floating point value")
-
-    def _get_float_altitude(self):
+    @property
+    def float_altitude(self):
+        "altitude as a floating point value"
         return float(self.altitude)
-
-    def _set_float_altitude(self, value):
-        self.altitude = str(value)
-
-    float_altitude = property(_get_float_altitude, _set_float_altitude,
-                              doc="altitude as a floating point value")
diff --git a/dns/rdtypes/ANY/LOC.py b/dns/rdtypes/ANY/LOC.py
index f6f3efcf..fc02dfdd 100644
--- a/dns/rdtypes/ANY/LOC.py
+++ b/dns/rdtypes/ANY/LOC.py
@@ -308,20 +308,12 @@ class LOC(dns.rdata.Rdata):
         return cls(rdclass, rdtype, latitude, longitude, altitude,
                    size, hprec, vprec)
 
-    def _get_float_latitude(self):
+    @property
+    def float_latitude(self):
+        "latitude as a floating point value"
         return _tuple_to_float(self.latitude)
 
-    def _set_float_latitude(self, value):
-        self.latitude = _float_to_tuple(value)
-
-    float_latitude = property(_get_float_latitude, _set_float_latitude,
-                              doc="latitude as a floating point value")
-
-    def _get_float_longitude(self):
+    @property
+    def float_longitude(self):
+        "longitude as a floating point value"
         return _tuple_to_float(self.longitude)
-
-    def _set_float_longitude(self, value):
-        self.longitude = _float_to_tuple(value)
-
-    float_longitude = property(_get_float_longitude, _set_float_longitude,
-                               doc="longitude as a floating point value")
-- 
2.47.3