Promote the constant for zope.Public from metaconfigure.py to interfaces.pypublic_permission_const

And use it consistently throughout this package.

On Python 2, sometimes we were comparing the string with unicode and
sometimes with str. Now its consistent.

This is a start to addressing #6

1 files changed, 6 insertions, 2 deletions

diff --git a/src/zope/security/interfaces.py b/src/zope/security/interfaces.py
index 1035b77..81addc2 100644
--- a/src/zope/security/interfaces.py
+++ b/src/zope/security/interfaces.py
@@ -19,6 +19,12 @@ from zope.interface.common.interfaces import IException, IAttributeError
 from zope.schema import Text, TextLine
 from zope.security.i18n import ZopeMessageFactory as _
 
+#: The name (id) of the registered :class:`IPermission` utility that signifies
+#: that the protected attribute is public.
+#:
+#: .. versionadded:: 4.2.0
+PUBLIC_PERMISSION_NAME = 'zope.Public'
+
 class IUnauthorized(IException):
     pass
 
@@ -26,8 +32,6 @@ class IUnauthorized(IException):
 class Unauthorized(Exception):
     """Some user wasn't allowed to access a resource"""
 
-
-
 class IForbidden(IException):
     pass