intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 62 insertions, 0 deletions

diff --git a/contrib/python/prompt-toolkit/py2/prompt_toolkit/clipboard/base.py b/contrib/python/prompt-toolkit/py2/prompt_toolkit/clipboard/base.py
new file mode 100644
index 00000000000..803c0b0e7d8
--- /dev/null
+++ b/contrib/python/prompt-toolkit/py2/prompt_toolkit/clipboard/base.py
@@ -0,0 +1,62 @@
+"""
+Clipboard for command line interface.
+"""
+from __future__ import unicode_literals
+from abc import ABCMeta, abstractmethod
+from six import with_metaclass
+import six
+
+from prompt_toolkit.selection import SelectionType
+
+__all__ = (
+    'Clipboard',
+    'ClipboardData',
+)
+
+
+class ClipboardData(object):
+    """
+    Text on the clipboard.
+
+    :param text: string
+    :param type: :class:`~prompt_toolkit.selection.SelectionType`
+    """
+    def __init__(self, text='', type=SelectionType.CHARACTERS):
+        assert isinstance(text, six.string_types)
+        assert type in (SelectionType.CHARACTERS, SelectionType.LINES, SelectionType.BLOCK)
+
+        self.text = text
+        self.type = type
+
+
+class Clipboard(with_metaclass(ABCMeta, object)):
+    """
+    Abstract baseclass for clipboards.
+    (An implementation can be in memory, it can share the X11 or Windows
+    keyboard, or can be persistent.)
+    """
+    @abstractmethod
+    def set_data(self, data):
+        """
+        Set data to the clipboard.
+
+        :param data: :class:`~.ClipboardData` instance.
+        """
+
+    def set_text(self, text):  # Not abstract.
+        """
+        Shortcut for setting plain text on clipboard.
+        """
+        assert isinstance(text, six.string_types)
+        self.set_data(ClipboardData(text))
+
+    def rotate(self):
+        """
+        For Emacs mode, rotate the kill ring.
+        """
+
+    @abstractmethod
+    def get_data(self):
+        """
+        Return clipboard data.
+        """