add ydb deps

1 files changed, 92 insertions, 0 deletions

diff --git a/contrib/python/prompt-toolkit/py2/prompt_toolkit/layout/dimension.py b/contrib/python/prompt-toolkit/py2/prompt_toolkit/layout/dimension.py
new file mode 100644
index 0000000000..717ad7a81f
--- /dev/null
+++ b/contrib/python/prompt-toolkit/py2/prompt_toolkit/layout/dimension.py
@@ -0,0 +1,92 @@
+"""
+Layout dimensions are used to give the minimum, maximum and preferred
+dimensions for containers and controls.
+"""
+from __future__ import unicode_literals
+
+__all__ = (
+    'LayoutDimension',
+    'sum_layout_dimensions',
+    'max_layout_dimensions',
+)
+
+
+class LayoutDimension(object):
+    """
+    Specified dimension (width/height) of a user control or window.
+
+    The layout engine tries to honor the preferred size. If that is not
+    possible, because the terminal is larger or smaller, it tries to keep in
+    between min and max.
+
+    :param min: Minimum size.
+    :param max: Maximum size.
+    :param weight: For a VSplit/HSplit, the actual size will be determined
+                   by taking the proportion of weights from all the children.
+                   E.g. When there are two children, one width a weight of 1,
+                   and the other with a weight of 2. The second will always be
+                   twice as big as the first, if the min/max values allow it.
+    :param preferred: Preferred size.
+    """
+    def __init__(self, min=None, max=None, weight=1, preferred=None):
+        assert isinstance(weight, int) and weight > 0   # Cannot be a float.
+
+        self.min_specified = min is not None
+        self.max_specified = max is not None
+        self.preferred_specified = preferred is not None
+
+        if min is None:
+            min = 0  # Smallest possible value.
+        if max is None:  # 0-values are allowed, so use "is None"
+            max = 1000 ** 10  # Something huge.
+        if preferred is None:
+            preferred = min
+
+        self.min = min
+        self.max = max
+        self.preferred = preferred
+        self.weight = weight
+
+        # Make sure that the 'preferred' size is always in the min..max range.
+        if self.preferred < self.min:
+            self.preferred = self.min
+
+        if self.preferred > self.max:
+            self.preferred = self.max
+
+    @classmethod
+    def exact(cls, amount):
+        """
+        Return a :class:`.LayoutDimension` with an exact size. (min, max and
+        preferred set to ``amount``).
+        """
+        return cls(min=amount, max=amount, preferred=amount)
+
+    def __repr__(self):
+        return 'LayoutDimension(min=%r, max=%r, preferred=%r, weight=%r)' % (
+            self.min, self.max, self.preferred, self.weight)
+
+    def __add__(self, other):
+        return sum_layout_dimensions([self, other])
+
+
+def sum_layout_dimensions(dimensions):
+    """
+    Sum a list of :class:`.LayoutDimension` instances.
+    """
+    min = sum([d.min for d in dimensions if d.min is not None])
+    max = sum([d.max for d in dimensions if d.max is not None])
+    preferred = sum([d.preferred for d in dimensions])
+
+    return LayoutDimension(min=min, max=max, preferred=preferred)
+
+
+def max_layout_dimensions(dimensions):
+    """
+    Take the maximum of a list of :class:`.LayoutDimension` instances.
+    """
+    min_ = max([d.min for d in dimensions if d.min is not None])
+    max_ = max([d.max for d in dimensions if d.max is not None])
+    preferred = max([d.preferred for d in dimensions])
+
+    return LayoutDimension(min=min_, max=max_, preferred=preferred)