add ydb deps

1 files changed, 51 insertions, 0 deletions

diff --git a/contrib/python/prompt-toolkit/py2/prompt_toolkit/layout/__init__.py b/contrib/python/prompt-toolkit/py2/prompt_toolkit/layout/__init__.py
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index 0000000000..0dec5ecfaf
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+++ b/contrib/python/prompt-toolkit/py2/prompt_toolkit/layout/__init__.py
@@ -0,0 +1,51 @@
+"""
+Command line layout definitions
+-------------------------------
+
+The layout of a command line interface is defined by a Container instance.
+There are two main groups of classes here. Containers and controls:
+
+- A container can contain other containers or controls, it can have multiple
+  children and it decides about the dimensions.
+- A control is responsible for rendering the actual content to a screen.
+  A control can propose some dimensions, but it's the container who decides
+  about the dimensions -- or when the control consumes more space -- which part
+  of the control will be visible.
+
+
+Container classes::
+
+    - Container (Abstract base class)
+       |- HSplit (Horizontal split)
+       |- VSplit (Vertical split)
+       |- FloatContainer (Container which can also contain menus and other floats)
+       `- Window (Container which contains one actual control
+
+Control classes::
+
+    - UIControl (Abstract base class)
+       |- TokenListControl (Renders a simple list of tokens)
+       |- FillControl (Fills control with one token/character.)
+       `- BufferControl (Renders an input buffer.)
+
+
+Usually, you end up wrapping every control inside a `Window` object, because
+that's the only way to render it in a layout.
+
+There are some prepared toolbars which are ready to use::
+
+- SystemToolbar (Shows the 'system' input buffer, for entering system commands.)
+- ArgToolbar (Shows the input 'arg', for repetition of input commands.)
+- SearchToolbar (Shows the 'search' input buffer, for incremental search.)
+- CompletionsToolbar (Shows the completions of the current buffer.)
+- ValidationToolbar (Shows validation errors of the current buffer.)
+
+And one prepared menu:
+
+- CompletionsMenu
+
+"""
+from __future__ import unicode_literals
+
+from .containers import Float, FloatContainer, HSplit, VSplit, Window, ConditionalContainer
+from .controls import TokenListControl, FillControl, BufferControl