Started today, implemented some validations

ngforms.py

@@ -0,0 +1,63 @@
+import re
+
+class Form(object) 
+
+  def build(self):
+
+  def validate(self):
+
+  def fields(self):
+    raise NotImplemented()
+
+  def validations(self):
+    raise NotImplemented()
+
+
+# ----------------------------------------
+
+class Validation(object)
+  def __init__(self, name, message, attr):
+    self.name = name
+    self.message = message
+    self.attr = attr
+
+  def validate(self):
+    raise NotImplemented()
+
+class MinLength(Validation)
+  def __init__(self, min, message):
+    self.min = min
+    super(MinLength, self).__init__("MinLength", message, 
+        {"ng-minlength" : min})
+
+  def validate(self, value):
+    return len(value) >= min
+
+class MaxLength(Validation)
+  def __init__(self, max, message):
+    self.max = max
+    super(MaxLength, self).__init__("MaxLength", message,
+        {"ng-maxlength" : max})
+
+  def validate(self, value):
+    return len(value) =< max
+
+class Required(Validation)
+  def __init__(self, field, message):
+    self.field = field
+    super(Required, self).__init__("Required", message, {"required"})
+
+  def validate(self, field):
+    return len(field)>0
+
+class Email(Validation)
+  def __init__(self, email, message):
+    self.email = email
+    super(Email, self).__init__("Email", message, {})
+
+  def validate(self, email):
+    if not re.match("^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}$", email):
+      return False
+    else:
+      return True
+