upgrade to 14.4.1upstream/14.4.1

1 files changed, 52 insertions, 0 deletions

diff --git a/zmq/sugar/attrsettr.py b/zmq/sugar/attrsettr.py
new file mode 100644
index 0000000..4bbd36d
--- /dev/null
+++ b/zmq/sugar/attrsettr.py
@@ -0,0 +1,52 @@
+# coding: utf-8
+"""Mixin for mapping set/getattr to self.set/get"""
+
+# Copyright (C) PyZMQ Developers
+# Distributed under the terms of the Modified BSD License.
+
+
+from . import constants
+
+class AttributeSetter(object):
+    
+    def __setattr__(self, key, value):
+        """set zmq options by attribute"""
+        
+        # regular setattr only allowed for class-defined attributes
+        for obj in [self] + self.__class__.mro():
+            if key in obj.__dict__:
+                object.__setattr__(self, key, value)
+                return
+        
+        upper_key = key.upper()
+        try:
+            opt = getattr(constants, upper_key)
+        except AttributeError:
+            raise AttributeError("%s has no such option: %s" % (
+                self.__class__.__name__, upper_key)
+            )
+        else:
+            self._set_attr_opt(upper_key, opt, value)
+    
+    def _set_attr_opt(self, name, opt, value):
+        """override if setattr should do something other than call self.set"""
+        self.set(opt, value)
+    
+    def __getattr__(self, key):
+        """get zmq options by attribute"""
+        upper_key = key.upper()
+        try:
+            opt = getattr(constants, upper_key)
+        except AttributeError:
+            raise AttributeError("%s has no such option: %s" % (
+                self.__class__.__name__, upper_key)
+            )
+        else:
+            return self._get_attr_opt(upper_key, opt)
+
+    def _get_attr_opt(self, name, opt):
+        """override if getattr should do something other than call self.get"""
+        return self.get(opt)
+    
+
+__all__ = ['AttributeSetter']