Restoring authorship annotation for Ivan Blinkov <ivan@blinkov.ru>. Commit 2 of 2.

1 files changed, 63 insertions, 63 deletions

diff --git a/contrib/python/prompt-toolkit/py2/prompt_toolkit/validation.py b/contrib/python/prompt-toolkit/py2/prompt_toolkit/validation.py
index f898796e06..0027873f88 100644
--- a/contrib/python/prompt-toolkit/py2/prompt_toolkit/validation.py
+++ b/contrib/python/prompt-toolkit/py2/prompt_toolkit/validation.py
@@ -1,64 +1,64 @@
-""" 
-Input validation for a `Buffer`. 
-(Validators will be called before accepting input.) 
-""" 
-from __future__ import unicode_literals 
-from .filters import to_simple_filter 
- 
-from abc import ABCMeta, abstractmethod 
-from six import with_metaclass 
- 
-__all__ = ( 
-    'ConditionalValidator', 
-    'ValidationError', 
-    'Validator', 
-) 
- 
- 
-class ValidationError(Exception): 
-    """ 
-    Error raised by :meth:`.Validator.validate`. 
- 
-    :param cursor_position: The cursor position where the error occured. 
-    :param message: Text. 
-    """ 
-    def __init__(self, cursor_position=0, message=''): 
-        super(ValidationError, self).__init__(message) 
-        self.cursor_position = cursor_position 
-        self.message = message 
- 
-    def __repr__(self): 
-        return '%s(cursor_position=%r, message=%r)' % ( 
-            self.__class__.__name__, self.cursor_position, self.message) 
- 
- 
-class Validator(with_metaclass(ABCMeta, object)): 
-    """ 
-    Abstract base class for an input validator. 
-    """ 
-    @abstractmethod 
-    def validate(self, document): 
-        """ 
-        Validate the input. 
-        If invalid, this should raise a :class:`.ValidationError`. 
- 
-        :param document: :class:`~prompt_toolkit.document.Document` instance. 
-        """ 
-        pass 
- 
- 
-class ConditionalValidator(Validator): 
-    """ 
-    Validator that can be switched on/off according to 
-    a filter. (This wraps around another validator.) 
-    """ 
-    def __init__(self, validator, filter): 
-        assert isinstance(validator, Validator) 
- 
-        self.validator = validator 
+"""
+Input validation for a `Buffer`.
+(Validators will be called before accepting input.)
+"""
+from __future__ import unicode_literals
+from .filters import to_simple_filter
+
+from abc import ABCMeta, abstractmethod
+from six import with_metaclass
+
+__all__ = (
+    'ConditionalValidator',
+    'ValidationError',
+    'Validator',
+)
+
+
+class ValidationError(Exception):
+    """
+    Error raised by :meth:`.Validator.validate`.
+
+    :param cursor_position: The cursor position where the error occured.
+    :param message: Text.
+    """
+    def __init__(self, cursor_position=0, message=''):
+        super(ValidationError, self).__init__(message)
+        self.cursor_position = cursor_position
+        self.message = message
+
+    def __repr__(self):
+        return '%s(cursor_position=%r, message=%r)' % (
+            self.__class__.__name__, self.cursor_position, self.message)
+
+
+class Validator(with_metaclass(ABCMeta, object)):
+    """
+    Abstract base class for an input validator.
+    """
+    @abstractmethod
+    def validate(self, document):
+        """
+        Validate the input.
+        If invalid, this should raise a :class:`.ValidationError`.
+
+        :param document: :class:`~prompt_toolkit.document.Document` instance.
+        """
+        pass
+
+
+class ConditionalValidator(Validator):
+    """
+    Validator that can be switched on/off according to
+    a filter. (This wraps around another validator.)
+    """
+    def __init__(self, validator, filter):
+        assert isinstance(validator, Validator)
+
+        self.validator = validator
         self.filter = to_simple_filter(filter)
- 
-    def validate(self, document): 
-        # Call the validator only if the filter is active. 
-        if self.filter(): 
-            self.validator.validate(document) 
+
+    def validate(self, document):
+        # Call the validator only if the filter is active.
+        if self.filter():
+            self.validator.validate(document)