ranger - mirror of ranger - a simple, vim-like file manager

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1 files changed, 8 insertions, 1 deletions

# 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 import shutil from os.path import join, isdir from os import symlink, getcwd from inspect import cleandoc import ranger from ranger.ext.direction import Direction from ranger import fsobject from ranger.shared import FileManagerAware, EnvironmentAware, SettingsAware from ranger.gui.widgets import console_mode as cmode from ranger.fsobject import File from ranger.ext import shutil_generatorized as shutil_g from ranger.fsobject.loader import LoadableObject class Actions(FileManagerAware, EnvironmentAware, SettingsAware): search_method = 'ctime' search_forward = False # -------------------------- # -- Backwards Compatibility # -------------------------- # All methods defined here are just for backwards compatibility, # allowing old configuration files to work with newer versions. # You can delete them and they should change nothing if you use # an up-to-date configuration file. def dummy(self, *args, **keywords): """For backwards compatibility only.""" handle_mouse = resize = dummy def move_left(self, narg=1): """Enter the parent directory""" self.move(left=1, narg=narg) def move_right(self, narg=None): """Enter the current directory or execute the current file""" self.move(right=1, narg=narg) def move_pointer(self, relative=0, absolute=None, narg=None): """Move the pointer down by <relative> or to <absolute>""" dct = dict(down=relative, narg=narg) if absolute is not None: dct['to'] = absolute self.move(**dct) def move_pointer_by_pages(self, relative): """Move the pointer down by <relative> pages""" self.move(down=relative, pages=True) def move_pointer_by_percentage(self, relative=0, absolute=None, narg=None): """Move the pointer down to <absolute>%""" self.move(to=absolute, percentage=True, narg=narg) # -------------------------- # -- Basic Commands # -------------------------- def exit(self): """Exit the program""" raise SystemExit() def reset(self): """Reset the filemanager, clearing the directory buffer""" old_path = self.env.cwd.path self.env.garbage_collect(-1) self.enter_dir(old_path) def reload_cwd(self): try: cwd = self.env.cwd except: pass cwd.unload() cwd.load_content() def notify(self, text, duration=4, bad=False): if isinstance(text, Exception): if ranger.arg.debug: raise bad = True text = str(text) self.log.appendleft(text) if hasattr(self.ui, 'notify'): self.ui.notify(text, duration=duration, bad=bad) hint = notify def redraw_window(self): """Redraw the window""" self.ui.redraw_window() def open_console(self, mode=':', string=''): """Open the console if the current UI supports that""" if hasattr(self.ui, 'open_console'): self.ui.open_console(mode, string) def execute_file(self, files, **kw): """Execute a file. app is the name of a method in Applications, without the "app_" flags is a string consisting of runner.ALLOWED_FLAGS mode is a positive integer. Both flags and mode specify how the program is run.""" if isinstance(files, set): files = list(files) elif type(files) not in (list, tuple): files = [files] return self.run(files=list(files), **kw) # -------------------------- # -- Moving Around # -------------------------- def move(self, narg=None, **kw): """ A universal movement method. Accepts these parameters: (int) down, (int) up, (int) left, (int) right, (int) to, (bool) absolute, (bool) relative, (bool) pages, (bool) percentage to=X is translated to down=X, absolute=True Example: self.move(down=4, pages=True) # moves down by 4 pages. self.move(to=2, pages=True) # moves to page 2. self.move(to=1, percentage=True) # moves to 80% """ direction = Direction(kw) if 'left' in direction or direction.left() > 0: steps = direction.left() if narg is not None: steps *= narg try: directory = os.path.join(*(['..'] * steps)) except: return self.env.enter_dir(directory) elif 'right' in direction: mode = 0 if narg is not None: mode = narg cf = self.env.cf selection = self.env.get_selection() if not self.env.enter_dir(cf) and selection: if self.execute_file(selection, mode=mode) is False: self.open_console(cmode.OPEN_QUICK) elif direction.vertical(): newpos = direction.move( direction=direction.down(), override=narg, maximum=len(self.env.cwd), current=self.env.cwd.pointer, pagesize=self.ui.browser.hei) self.env.cwd.move(to=newpos) def history_go(self, relative): """Move back and forth in the history""" self.env.history_go(relative) def scroll(self, relative): """Scroll down by <relative> lines""" if hasattr(self.ui, 'scroll'): self.ui.scroll(relative) self.env.cf = self.env.cwd.pointed_obj def enter_dir(self, path, remember=False, history=True): """Enter the directory at the given path""" if remember: cwd = self.env.cwd result = self.env.enter_dir(path, history=history) self.bookmarks.remember(cwd) return result return self.env.enter_dir(path, history=history) def cd(self, path, remember=True): """enter the directory at the given path, remember=True""" self.enter_dir(path, remember=remember) def traverse(self): cf = self.env.cf cwd = self.env.cwd if cf is not None and cf.is_directory: self.enter_dir(cf.path) elif cwd.pointer >= len(cwd) - 1: while True: self.move(left=1) cwd = self.env.cwd if cwd.pointer < len(cwd) - 1: break if cwd.path == '/': break self.move(down=1) self.traverse() else: self.move(down=1) self.traverse() # -------------------------- # -- Shortcuts / Wrappers # -------------------------- def execute_command(self, cmd, **kw): return self.run(cmd, **kw) def edit_file(self, file=None): """Calls execute_file with the current file and app='editor'""" if file is None: file = self.env.cf elif isinstance(file, str): file = File(os.path.expanduser(file)) if file is None: return self.execute_file(file, app = 'editor') def toggle_boolean_option(self, string): """Toggle a boolean option named <string>""" if isinstance(self.env.settings[string], bool): self.env.settings[string] ^= True def set_option(self, optname, value): """Set the value of an option named <optname>""" self.env.settings[optname] = value def sort(self, func=None, reverse=None): if reverse is not None: self.env.settings['sort_reverse'] = bool(reverse) if func is not None: self.env.settings['sort'] = str(func) def set_filter(self, fltr): try: self.env.cwd.filter = fltr except: pass def mark(self, all=False, toggle=False, val=None, movedown=None, narg=1): """ A wrapper for the directory.mark_xyz functions. Arguments: all - change all files of the current directory at once? toggle - toggle the marked-status? val - mark or unmark? """ if self.env.cwd is None: return cwd = self.env.cwd if not cwd.accessible: return if movedown is None: movedown = not all if val is None and toggle is False: return if all: if toggle: cwd.toggle_all_marks() else: cwd.mark_all(val) else: for i in range(cwd.pointer, min(cwd.pointer + narg, len(cwd))): item = cwd.files[i] if item is not None: if toggle: cwd.toggle_mark(item) else: cwd.mark_item(item, val) if movedown: self.move(down=narg) if hasattr(self.ui, 'redraw_main_column'): self.ui.redraw_main_column() if hasattr(self.ui, 'status'): self.ui.status.need_redraw = True # -------------------------- # -- Searching # -------------------------- def search(self, order=None, forward=True): original_order = order if self.search_forward: direction = bool(forward) else: direction = not bool(forward) if order is None: order = self.search_method else: self.set_search_method(order=order) if order in ('search', 'tag'): if order == 'search': arg = self.env.last_search if arg is None: return False if hasattr(arg, 'search'): fnc = lambda x: arg.search(x.basename) else: fnc = lambda x: arg in x.basename elif order == 'tag': fnc = lambda x: x.realpath in self.tags return self.env.cwd.search_fnc(fnc=fnc, forward=forward) elif order in ('size', 'mimetype', 'ctime'): cwd = self.env.cwd if original_order is not None or not cwd.cycle_list: lst = list(cwd.files) if order == 'size': fnc = lambda item: -item.size elif order == 'mimetype': fnc = lambda item: item.mimetype elif order == 'ctime': fnc = lambda item: -int(item.stat and item.stat.st_ctime) lst.sort(key=fnc) cwd.set_cycle_list(lst) return cwd.cycle(forward=None) return cwd.cycle(forward=forward) def set_search_method(self, order, forward=True): if order in ('search', 'tag', 'size', 'mimetype', 'ctime'): self.search_method = order self.search_forward = forward # -------------------------- # -- Tags # -------------------------- # Tags are saved in ~/.ranger/tagged and simply mark if a # file is important to you in any context. def tag_toggle(self, movedown=None): try: toggle = self.tags.toggle except AttributeError: return sel = self.env.get_selection() toggle(*tuple(map(lambda x: x.realpath, sel))) if movedown is None: movedown = len(sel) == 1 if movedown: self.move(down=1) if hasattr(self.ui, 'redraw_main_column'): self.ui.redraw_main_column() def tag_remove(self, movedown=None): try: remove = self.tags.remove except AttributeError: return sel = self.env.get_selection() remove(*tuple(map(lambda x: x.realpath, sel))) if movedown is None: movedown = len(sel) == 1 if movedown: self.move(down=1) if hasattr(self.ui, 'redraw_main_column'): self.ui.redraw_main_column() # -------------------------- # -- Bookmarks # -------------------------- # Using ranger.container.bookmarks. def enter_bookmark(self, key): """Enter the bookmark with the name <key>""" try: destination = self.bookmarks[key] cwd = self.env.cwd if destination.path != cwd.path: self.bookmarks.enter(key) self.bookmarks.remember(cwd) except KeyError: pass def set_bookmark(self, key): """Set the bookmark with the name <key> to the current directory""" self.bookmarks[key] = self.env.cwd def unset_bookmark(self, key): """Delete the bookmark with the name <key>""" self.bookmarks.delete(key) def draw_bookmarks(self): self.ui.browser.draw_bookmarks = True def hide_bookmarks(self): self.ui.browser.draw_bookmarks = False # -------------------------- # -- Pager # -------------------------- # These commands open the built-in pager and set specific sources. def display_command_help(self, console_widget): if not hasattr(self.ui, 'open_pager'): return try: command = console_widget._get_cmd_class() except: self.notify("Feature not available!", bad=True) return if not command: self.notify("Command not found!", bad=True) return if not command.__doc__: self.notify("Command has no docstring. Try using python without -OO", bad=True) return pager = self.ui.open_pager() lines = cleandoc(command.__doc__).split('\n') pager.set_source(lines) def display_help(self, topic='index', narg=None): if not hasattr(self.ui, 'open_pager'): return from ranger.help import get_help, get_help_by_index if narg is not None: help_text = get_help_by_index(narg) else: help_text = get_help(topic) pager = self.ui.open_pager() pager.markup = 'help' lines = help_text.split('\n') pager.set_source(lines) def display_log(self): if not hasattr(self.ui, 'open_pager'): return pager = self.ui.open_pager() if self.log: pager.set_source(["Message Log:"] + list(self.log)) else: pager.set_source(["Message Log:", "No messages!"]) def display_file(self): if not hasattr(self.ui, 'open_embedded_pager'): return try: f = open(self.env.cf.path, 'r') except: pass else: pager = self.ui.open_embedded_pager() pager.set_source(f) # -------------------------- # -- Tabs # -------------------------- # This implementation of tabs is very simple and keeps track of # directory paths only. def tab_open(self, name, path=None): do_emit_signal = name != self.current_tab self.current_tab = name if path or (name in self.tabs): self.enter_dir(path or self.tabs[name]) else: self._update_current_tab() if do_emit_signal: self.signal_emit('tab.change') def tab_close(self, name=None): if name is None: name = self.current_tab if name == self.current_tab: direction = -1 if name == self._get_tab_list()[-1] else 1 previous = self.current_tab self.tab_move(direction) if previous == self.current_tab: return # can't close last tab if name in self.tabs: del self.tabs[name] def tab_move(self, offset): assert isinstance(offset, int) tablist = self._get_tab_list() current_index = tablist.index(self.current_tab) newtab = tablist[(current_index + offset) % len(tablist)] if newtab != self.current_tab: self.tab_open(newtab) def tab_new(self): for i in range(1, 10): if not i in self.tabs: self.tab_open(i) break def _get_tab_list(self): assert len(self.tabs) > 0, "There must be >=1 tabs at all times" return sorted(self.tabs) def _update_current_tab(self): self.tabs[self.current_tab] = self.env.cwd.path # -------------------------- # -- File System Operations # -------------------------- def uncut(self): self.env.copy = set() self.env.cut = False self.ui.browser.main_column.request_redraw() def copy(self, narg=None, dirarg=None): """Copy the selected items""" cwd = self.env.cwd if not narg and not dirarg: selected = (f for f in self.env.get_selection() if f in cwd.files) else: if not dirarg and narg: direction = Direction(down=1) offset = 0 else: direction = Direction(dirarg) offset = 1 pos, selected = direction.select( override=narg, lst=cwd.files, current=cwd.pointer, pagesize=self.env.termsize[0], offset=offset) self.env.cwd.pointer = pos self.env.cwd.correct_pointer() self.env.copy = set(selected) self.env.cut = False self.ui.browser.main_column.request_redraw() def cut(self, narg=None, dirarg=None): self.copy(narg=narg, dirarg=dirarg) self.env.cut = True self.ui.browser.main_column.request_redraw() def paste_symlink(self): copied_files = self.env.copy for f in copied_files: try: symlink(f.path, join(getcwd(), f.basename)) except Exception as x: self.notify(x) def paste(self, overwrite=False): """Paste the selected items into the current directory""" copied_files = tuple(self.env.copy) if not copied_files: return original_path = self.env.cwd.path try: one_file = copied_files[0] except: one_file = None if self.env.cut: self.env.copy.clear() self.env.cut = False if len(copied_files) == 1: descr = "moving: " + one_file.path else: descr = "moving files from: " + one_file.dirname def generate(): for f in copied_files: for _ in shutil_g.move(src=f.path, dst=original_path, overwrite=overwrite): yield cwd = self.env.get_directory(original_path) cwd.load_content() else: if len(copied_files) == 1: descr = "copying: " + one_file.path else: descr = "copying files from: " + one_file.dirname def generate(): for f in self.env.copy: if isdir(f.path): for _ in shutil_g.copytree(src=f.path, dst=join(self.env.cwd.path, f.basename), symlinks=True, overwrite=overwrite): yield else: for _ in shutil_g.copy2(f.path, original_path, symlinks=True, overwrite=overwrite): yield cwd = self.env.get_directory(original_path) cwd.load_content() self.loader.add(LoadableObject(generate(), descr)) def delete(self): self.notify("Deleting!", duration=1) selected = self.env.get_selection() self.env.copy -= set(selected) if selected: for f in selected: if isdir(f.path) and not os.path.islink(f.path): try: shutil.rmtree(f.path) except OSError as err: self.notify(err) else: try: os.remove(f.path) except OSError as err: self.notify(err) self.env.ensure_correct_pointer() def mkdir(self, name): try: os.mkdir(os.path.join(self.env.cwd.path, name)) except OSError as err: self.notify(err) def rename(self, src, dest): if hasattr(src, 'path'): src = src.path try: os.rename(src, dest) except OSError as err: self.notify(err)


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