Author: bbangert
Date: 2006-01-26 12:53:50 -0700 (Thu, 26 Jan 2006)
New Revision: 1543
Modified:
FormEncode/trunk/formencode/validators.py
Log:
Patch applied, and updated with more complete docstring and emptystring
condition along with encoding option. Closes Ticket #66
Modified: FormEncode/trunk/formencode/validators.py
===================================================================
--- FormEncode/trunk/formencode/validators.py 2006-01-26 18:53:31 UTC (rev
1542)
+++ FormEncode/trunk/formencode/validators.py 2006-01-26 19:53:50 UTC (rev
1543)
@@ -982,6 +982,43 @@
def empty_value(self, value):
return ''
+class UnicodeString(String):
+ """
+ Converts things to unicode string, this is a specialization of
+ the String class.
+
+ In addition to the String arguments, an encoding argument is also
+ accepted. By default the encoding will be utf-8.
+
+ All converted strings are returned as Unicode strings.
+
+ ::
+
+ >>> UnicodeString().from_python(None)
+ u''
+ >>> UnicodeString().from_python([])
+ u''
+ >>> UnicodeString(encoding='utf-7').from_python('Ni Ni Ni')
+ u'Ni Ni Ni'
+ """
+
+ encoding = 'utf-8'
+
+ def _from_python(self, value, state):
+ if value:
+ # If it is already an unicode string...
+ if isinstance(value, unicode):
+ # ... we return it as-is.
+ return value
+ # Otherwise we convert it.
+ return unicode(value, self.encoding)
+ if value == 0:
+ return unicode(value, self.encoding)
+ return unicode("", self.encoding)
+
+ def empty_value(self, value):
+ return unicode("", self.encoding)
+
class Set(FancyValidator):
"""
-------------------------------------------------------
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