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Diffstat (limited to 'ranger/api/keys.py')
| -rw-r--r-- | ranger/api/keys.py | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/ranger/api/keys.py b/ranger/api/keys.py deleted file mode 100644 index 75de6237..00000000 --- a/ranger/api/keys.py +++ /dev/null @@ -1,131 +0,0 @@ -# Copyright (C) 2009, 2010 Roman Zimbelmann <romanz@lavabit.com> -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. - -import os -from curses import * -from curses.ascii import * -from inspect import getargspec, ismethod - -from ranger import RANGERDIR -from ranger.api import * -from ranger.container.bookmarks import ALLOWED_KEYS as ALLOWED_BOOKMARK_KEYS -from ranger.container.tags import ALLOWED_KEYS as ALLOWED_TAGS_KEYS -from ranger.container.keymap import KeyMap, Direction, KeyMapWithDirections - -# A dummy that allows the generation of docstrings in ranger.defaults.keys -class DummyKeyManager(object): - def get_context(self, _): - class Dummy(object): - def __getattr__(self, *_, **__): - return Dummy() - __call__ = __getattr__ - return Dummy() -keymanager = DummyKeyManager() - -class Wrapper(object): - def __init__(self, firstattr): - self.__firstattr__ = firstattr - - def __getattr__(self, attr): - if attr.startswith('_'): - raise AttributeError - def wrapper(*real_args, **real_keywords): - def function(command_argument): - args, kws = real_args, real_keywords - number = command_argument.n - direction = command_argument.direction - obj = getattr(command_argument, self.__firstattr__) - fnc = getattr(obj, attr) - if number is not None or direction is not None: - args, kws = replace_narg(number, direction, fnc, args, kws) - return fnc(*args, **kws) - return function - return wrapper - -# fm.enter_dir('~') is translated into lambda arg: arg.fm.enter_dir('~') -# this makes things like this possible: -# bind('gh', fm.enter_dir('~')) -# -# but NOT: (note the 2 dots) -# bind('H', fm.history.go(-1)) -# -# for something like that, use the long version: -# bind('H', lambda arg: arg.fm.history.go(-1)) -# -# If the method has an argument named "narg", pressing a number before -# the key will pass that number as the narg argument. If you want the -# same behaviour in a custom lambda function, you can write: -# bind('gg', fm.move(to=0)) -# as: -# bind('gg', lambda arg: narg(arg.n, arg.fm.move, to=0)) - -fm = Wrapper('fm') -wdg = Wrapper('wdg') - - -DIRARG_KEYWORD = 'dirarg' -NARG_KEYWORD = 'narg' - -def narg(number_, function_, *args_, **keywords_): - """ - This applies the replace_narg function to the arguments and keywords - and directly runs this function. - - Example: - def foo(xyz, narg): return hash((xyz, narg)) - - narg(50, foo, 123) == foo(123, narg=50) - """ - args, keywords = replace_narg(number_, function_, args_, keywords_) - return function_(*args, **keywords) - -def replace_narg(number, direction, function, args, keywords): - """ - This function returns (args, keywords) with one little change: - if <function> has a named argument called "narg", args and keywords - will be modified so that the value of "narg" will be <number>. - - def foo(xyz, narg): pass - - replace_narg(666, foo, (), {'narg': 10, 'xyz': 5}) - => (), {'narg': 666, 'xyz': 5} - - replace_narg(666, foo, (1, 2), {}) - => (1, 666), {} - """ - argspec = getargspec(function).args - args = list(args) - if number is not None and NARG_KEYWORD in argspec: - try: - # is narg in args? - index = argspec.index(NARG_KEYWORD) - if ismethod(function): - index -= 1 # because of 'self' - args[index] = number - except (ValueError, IndexError): - # is narg in keywords? - keywords = dict(keywords) - keywords[NARG_KEYWORD] = number - if direction is not None and DIRARG_KEYWORD in argspec: - try: - index = argspec.index(DIRARG_KEYWORD) - if ismethod(function): - index -= 1 # because of 'self' - args[index] = direction - except (ValueError, IndexError): - # is narg in keywords? - keywords = dict(keywords) - keywords[DIRARG_KEYWORD] = direction - return args, keywords |