diff -r 8becd52c2171 -r 1bbea188a7e5 tools.py
--- a/tools.py	Mon Feb 04 19:49:48 2008 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,81 +0,0 @@
-#
-"""
-Helper functions and classes
-"""
-import re
-
-def str_num_cmp(s1,s2):
-    """
-    string comparator function that will put 'toto_10' after 'toto_2'
-    Also works for strings like 'toto_1_et_23er25'.
-    """
-    r = re.compile(r'((?<=\d)\D+|(?<=\D)\d+)')
-    r1= r.split(s1)
-    r2= r.split(s2)
-    r1=[not x.isdigit() and x or int(x) for x in r1 if x!='']
-    r2=[not x.isdigit() and x or int(x) for x in r2 if x!='']
-    return cmp(r1,r2)
-
-
-class AbstractRegister(object):
-    _instance = None
-    _registered_type = None
-    def __new__(cls):
-        # implements a singleton
-        if cls._instance is None:
-            #debug('Instanciating %s', cls.__name__)
-            cls._instance = super(AbstractRegister, cls).__new__(cls)
-            cls._instance.registered = {}
-            cls._instance.accepts = set()
-        return cls._instance
-    
-    def add(self, cls):
-        assert issubclass(cls, self._registered_type)
-        if cls is self._registered_type:
-            return
-        if cls._accepts is None:
-            return
-        #assert isinstance(cls._accepts, (basestring, tuple))
-        
-        #debug("Registerered %s for %s", cls.__name__)
-        if not isinstance(cls._accepts, tuple):
-            cls._accepts = (cls._accepts,)
-        for key in cls._accepts:
-            key = self._get_typ(key)
-            #debug("  new key = %s", key)            
-            self.registered.setdefault(key, []).append(cls)
-            self.accepts.add(key)
-
-    def _get_typ(self, typ):
-        if not isinstance(typ, basestring):
-            if not isinstance(typ, type):
-                return None
-            typ = typ.__name__
-        return typ
-    
-    def __contains__(self, val):
-        val = self._get_typ(val)
-        return val in self.accepts
-
-    def get_class(self, typ):
-        item = typ
-        if not isinstance(typ, type):
-            typ = typ.__class__
-        name = typ.__name__
-        #debug("Looking a widget for %s", typ.__name__)
-        orig_typ = typ
-        while typ is not None:
-            if typ.__name__ in self.registered:
-                for w in self.registered[typ.__name__]:
-                    if w._filter is None or w._filter(item):
-                        #debug("Widget for %s is %s", typ.__name__, w)
-                        return  w#self.registered[typ.__name__]
-            if typ.__bases__:
-                typ = typ.__bases__[0]
-                if typ == object:
-                    typ = None
-                elif typ.__name__ in ("ObjectItem_", "AbstractListItem_"):
-                    typ = orig_typ._type
-            else:
-                typ = None
-        raise ValueError('No registered class for %s' % (name))