intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 119 insertions, 0 deletions

diff --git a/contrib/python/prompt-toolkit/py2/prompt_toolkit/key_binding/defaults.py b/contrib/python/prompt-toolkit/py2/prompt_toolkit/key_binding/defaults.py
new file mode 100644
index 0000000000..fb2c1070f7
--- /dev/null
+++ b/contrib/python/prompt-toolkit/py2/prompt_toolkit/key_binding/defaults.py
@@ -0,0 +1,119 @@
+"""
+Default key bindings.::
+
+    registry = load_key_bindings()
+    app = Application(key_bindings_registry=registry)
+"""
+from __future__ import unicode_literals
+from prompt_toolkit.key_binding.registry import ConditionalRegistry, MergedRegistry
+from prompt_toolkit.key_binding.bindings.basic import load_basic_bindings, load_abort_and_exit_bindings, load_basic_system_bindings, load_auto_suggestion_bindings, load_mouse_bindings
+from prompt_toolkit.key_binding.bindings.emacs import load_emacs_bindings, load_emacs_system_bindings, load_emacs_search_bindings, load_emacs_open_in_editor_bindings, load_extra_emacs_page_navigation_bindings
+from prompt_toolkit.key_binding.bindings.vi import load_vi_bindings, load_vi_system_bindings, load_vi_search_bindings, load_vi_open_in_editor_bindings, load_extra_vi_page_navigation_bindings
+from prompt_toolkit.filters import to_cli_filter
+
+__all__ = (
+    'load_key_bindings',
+    'load_key_bindings_for_prompt',
+)
+
+
+def load_key_bindings(
+        get_search_state=None,
+        enable_abort_and_exit_bindings=False,
+        enable_system_bindings=False,
+        enable_search=False,
+        enable_open_in_editor=False,
+        enable_extra_page_navigation=False,
+        enable_auto_suggest_bindings=False):
+    """
+    Create a Registry object that contains the default key bindings.
+
+    :param enable_abort_and_exit_bindings: Filter to enable Ctrl-C and Ctrl-D.
+    :param enable_system_bindings: Filter to enable the system bindings (meta-!
+            prompt and Control-Z suspension.)
+    :param enable_search: Filter to enable the search bindings.
+    :param enable_open_in_editor: Filter to enable open-in-editor.
+    :param enable_open_in_editor: Filter to enable open-in-editor.
+    :param enable_extra_page_navigation: Filter for enabling extra page
+        navigation. (Bindings for up/down scrolling through long pages, like in
+        Emacs or Vi.)
+    :param enable_auto_suggest_bindings: Filter to enable fish-style suggestions.
+    """
+
+    assert get_search_state is None or callable(get_search_state)
+
+    # Accept both Filters and booleans as input.
+    enable_abort_and_exit_bindings = to_cli_filter(enable_abort_and_exit_bindings)
+    enable_system_bindings = to_cli_filter(enable_system_bindings)
+    enable_search = to_cli_filter(enable_search)
+    enable_open_in_editor = to_cli_filter(enable_open_in_editor)
+    enable_extra_page_navigation = to_cli_filter(enable_extra_page_navigation)
+    enable_auto_suggest_bindings = to_cli_filter(enable_auto_suggest_bindings)
+
+    registry = MergedRegistry([
+        # Load basic bindings.
+        load_basic_bindings(),
+        load_mouse_bindings(),
+
+        ConditionalRegistry(load_abort_and_exit_bindings(),
+                            enable_abort_and_exit_bindings),
+
+        ConditionalRegistry(load_basic_system_bindings(),
+                            enable_system_bindings),
+
+        # Load emacs bindings.
+        load_emacs_bindings(),
+
+        ConditionalRegistry(load_emacs_open_in_editor_bindings(),
+                            enable_open_in_editor),
+
+        ConditionalRegistry(load_emacs_search_bindings(get_search_state=get_search_state),
+                            enable_search),
+
+        ConditionalRegistry(load_emacs_system_bindings(),
+                            enable_system_bindings),
+
+        ConditionalRegistry(load_extra_emacs_page_navigation_bindings(),
+                            enable_extra_page_navigation),
+
+        # Load Vi bindings.
+        load_vi_bindings(get_search_state=get_search_state),
+
+        ConditionalRegistry(load_vi_open_in_editor_bindings(),
+                            enable_open_in_editor),
+
+        ConditionalRegistry(load_vi_search_bindings(get_search_state=get_search_state),
+                            enable_search),
+
+        ConditionalRegistry(load_vi_system_bindings(),
+                            enable_system_bindings),
+
+        ConditionalRegistry(load_extra_vi_page_navigation_bindings(),
+                            enable_extra_page_navigation),
+
+        # Suggestion bindings.
+        # (This has to come at the end, because the Vi bindings also have an
+        # implementation for the "right arrow", but we really want the
+        # suggestion binding when a suggestion is available.)
+        ConditionalRegistry(load_auto_suggestion_bindings(),
+                            enable_auto_suggest_bindings),
+    ])
+
+    return registry
+
+
+def load_key_bindings_for_prompt(**kw):
+    """
+    Create a ``Registry`` object with the defaults key bindings for an input
+    prompt.
+
+    This activates the key bindings for abort/exit (Ctrl-C/Ctrl-D),
+    incremental search and auto suggestions.
+
+    (Not for full screen applications.)
+    """
+    kw.setdefault('enable_abort_and_exit_bindings', True)
+    kw.setdefault('enable_search', True)
+    kw.setdefault('enable_auto_suggest_bindings', True)
+
+    return load_key_bindings(**kw)