* new prettyPrintType() abstract method implemented to base pyasn1 types

  to facilitate encoding errors analisys.
* the __str__() method implemented to Tag, TagSet and TagMap classes to
  ease encoding errors troubleshooting.

1 files changed, 7 insertions, 1 deletions

diff --git a/pyasn1/type/tag.py b/pyasn1/type/tag.py
index 18b6559..7471a9b 100644
--- a/pyasn1/type/tag.py
+++ b/pyasn1/type/tag.py
@@ -24,6 +24,9 @@ class Tag:
         self.uniq = (tagClass, tagId)
         self.__hashedUniqTag = hash(self.uniq)
 
+    def __str__(self):
+        return '[%s:%s:%s]' % self.__tag
+
     def __repr__(self):
         return '%s(tagClass=%s, tagFormat=%s, tagId=%s)' % (
             (self.__class__.__name__,) + self.__tag
@@ -62,7 +65,10 @@ class TagSet:
             _uniq = _uniq + t.uniq
         self.uniq = _uniq
         self.__lenOfSuperTags = len(superTags)
-        
+
+    def __str__(self):
+        return self.__superTags and '+'.join([str(x) for x in self.__superTags]) or '[untagged]'
+ 
     def __repr__(self):
         return '%s(%s)' % (
             self.__class__.__name__,