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

1 files changed, 92 insertions, 92 deletions

diff --git a/contrib/python/prompt-toolkit/py2/prompt_toolkit/buffer_mapping.py b/contrib/python/prompt-toolkit/py2/prompt_toolkit/buffer_mapping.py
index 99884ddd03..34f443bd47 100644
--- a/contrib/python/prompt-toolkit/py2/prompt_toolkit/buffer_mapping.py
+++ b/contrib/python/prompt-toolkit/py2/prompt_toolkit/buffer_mapping.py
@@ -1,92 +1,92 @@
-""" 
-The BufferMapping contains all the buffers for a command line interface, and it 
-keeps track of which buffer gets the focus. 
-""" 
-from __future__ import unicode_literals 
-from .enums import DEFAULT_BUFFER, SEARCH_BUFFER, SYSTEM_BUFFER, DUMMY_BUFFER 
-from .buffer import Buffer, AcceptAction 
-from .history import InMemoryHistory 
- 
-import six 
- 
-__all__ = ( 
-    'BufferMapping', 
-) 
- 
- 
-class BufferMapping(dict): 
-    """ 
-    Dictionary that maps the name of the buffers to the 
-    :class:`~prompt_toolkit.buffer.Buffer` instances. 
- 
-    This mapping also keeps track of which buffer currently has the focus. 
-    (Some methods receive a 'cli' parameter. This is useful for applications 
-    where this `BufferMapping` is shared between several applications.) 
-    """ 
-    def __init__(self, buffers=None, initial=DEFAULT_BUFFER): 
-        assert buffers is None or isinstance(buffers, dict) 
- 
-        # Start with an empty dict. 
-        super(BufferMapping, self).__init__() 
- 
-        # Add default buffers. 
-        self.update({ 
-            # For the 'search' and 'system' buffers, 'returnable' is False, in 
-            # order to block normal Enter/ControlC behaviour. 
-            DEFAULT_BUFFER: Buffer(accept_action=AcceptAction.RETURN_DOCUMENT), 
-            SEARCH_BUFFER: Buffer(history=InMemoryHistory(), accept_action=AcceptAction.IGNORE), 
-            SYSTEM_BUFFER: Buffer(history=InMemoryHistory(), accept_action=AcceptAction.IGNORE), 
-            DUMMY_BUFFER: Buffer(read_only=True), 
-        }) 
- 
-        # Add received buffers. 
-        if buffers is not None: 
-            self.update(buffers) 
- 
-        # Focus stack. 
-        self.focus_stack = [initial or DEFAULT_BUFFER] 
- 
-    def current(self, cli): 
-        """ 
-        The active :class:`.Buffer`. 
-        """ 
-        return self[self.focus_stack[-1]] 
- 
-    def current_name(self, cli): 
-        """ 
-        The name of the active :class:`.Buffer`. 
-        """ 
-        return self.focus_stack[-1] 
- 
-    def previous(self, cli): 
-        """ 
-        Return the previously focussed :class:`.Buffer` or `None`. 
-        """ 
-        if len(self.focus_stack) > 1: 
-            try: 
-                return self[self.focus_stack[-2]] 
-            except KeyError: 
-                pass 
- 
-    def focus(self, cli, buffer_name): 
-        """ 
-        Focus the buffer with the given name. 
-        """ 
-        assert isinstance(buffer_name, six.text_type) 
-        self.focus_stack = [buffer_name] 
- 
-    def push_focus(self, cli, buffer_name): 
-        """ 
-        Push buffer on the focus stack. 
-        """ 
-        assert isinstance(buffer_name, six.text_type) 
-        self.focus_stack.append(buffer_name) 
- 
-    def pop_focus(self, cli): 
-        """ 
-        Pop buffer from the focus stack. 
-        """ 
-        if len(self.focus_stack) > 1: 
-            self.focus_stack.pop() 
-        else: 
-            raise IndexError('Cannot pop last item from the focus stack.') 
+"""
+The BufferMapping contains all the buffers for a command line interface, and it
+keeps track of which buffer gets the focus.
+"""
+from __future__ import unicode_literals
+from .enums import DEFAULT_BUFFER, SEARCH_BUFFER, SYSTEM_BUFFER, DUMMY_BUFFER
+from .buffer import Buffer, AcceptAction
+from .history import InMemoryHistory
+
+import six
+
+__all__ = (
+    'BufferMapping',
+)
+
+
+class BufferMapping(dict):
+    """
+    Dictionary that maps the name of the buffers to the
+    :class:`~prompt_toolkit.buffer.Buffer` instances.
+
+    This mapping also keeps track of which buffer currently has the focus.
+    (Some methods receive a 'cli' parameter. This is useful for applications
+    where this `BufferMapping` is shared between several applications.)
+    """
+    def __init__(self, buffers=None, initial=DEFAULT_BUFFER):
+        assert buffers is None or isinstance(buffers, dict)
+
+        # Start with an empty dict.
+        super(BufferMapping, self).__init__()
+
+        # Add default buffers.
+        self.update({
+            # For the 'search' and 'system' buffers, 'returnable' is False, in
+            # order to block normal Enter/ControlC behaviour.
+            DEFAULT_BUFFER: Buffer(accept_action=AcceptAction.RETURN_DOCUMENT),
+            SEARCH_BUFFER: Buffer(history=InMemoryHistory(), accept_action=AcceptAction.IGNORE),
+            SYSTEM_BUFFER: Buffer(history=InMemoryHistory(), accept_action=AcceptAction.IGNORE),
+            DUMMY_BUFFER: Buffer(read_only=True),
+        })
+
+        # Add received buffers.
+        if buffers is not None:
+            self.update(buffers)
+
+        # Focus stack.
+        self.focus_stack = [initial or DEFAULT_BUFFER]
+
+    def current(self, cli):
+        """
+        The active :class:`.Buffer`.
+        """
+        return self[self.focus_stack[-1]]
+
+    def current_name(self, cli):
+        """
+        The name of the active :class:`.Buffer`.
+        """
+        return self.focus_stack[-1]
+
+    def previous(self, cli):
+        """
+        Return the previously focussed :class:`.Buffer` or `None`.
+        """
+        if len(self.focus_stack) > 1:
+            try:
+                return self[self.focus_stack[-2]]
+            except KeyError:
+                pass
+
+    def focus(self, cli, buffer_name):
+        """
+        Focus the buffer with the given name.
+        """
+        assert isinstance(buffer_name, six.text_type)
+        self.focus_stack = [buffer_name]
+
+    def push_focus(self, cli, buffer_name):
+        """
+        Push buffer on the focus stack.
+        """
+        assert isinstance(buffer_name, six.text_type)
+        self.focus_stack.append(buffer_name)
+
+    def pop_focus(self, cli):
+        """
+        Pop buffer from the focus stack.
+        """
+        if len(self.focus_stack) > 1:
+            self.focus_stack.pop()
+        else:
+            raise IndexError('Cannot pop last item from the focus stack.')