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# 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 re
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.core.loader import LoadableObject
class Actions(FileManagerAware, EnvironmentAware, SettingsAware):
search_method = 'ctime'
search_forward = False
# --------------------------
# -- 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)
def redraw_window(self):
"""Redraw the window"""
self.ui.redraw_window()
def open_console(self, mode=cmode.COMMAND, string='', prompt=None):
"""Open the console if the current UI supports that"""
if hasattr(self.ui, 'open_console'):
self.ui.open_console(mode, string, prompt=prompt)
def execute_console(self, string='', mode=cmode.COMMAND):
"""Execute a command for the console"""
self.open_console(mode=mode, string=string)
self.ui.console.line = string
self.ui.console.execute()
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%
"""
cwd = self.env.cwd
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)
if cwd and cwd.accessible and cwd.content_loaded:
if '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(cwd),
current=cwd.pointer,
pagesize=self.ui.browser.hei)
cwd.move(to=newpos)
def move_parent(self, n):
parent = self.env.at_level(-1)
try:
self.env.enter_dir(parent.files[parent.pointer+n])
except IndexError:
pass
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 hint(self, text):
self.ui.hint(text)
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
def mark_in_direction(self, val=True, dirarg=None):
cwd = self.env.cwd
direction = Direction(dirarg)
pos, selected = direction.select(lst=cwd.files, current=cwd.pointer,
pagesize=self.env.termsize[0])
cwd.pointer = pos
cwd.correct_pointer()
for item in selected:
cwd.mark_item(item, val)
# --------------------------
# -- Searching
# --------------------------
def search_file(self, text, regexp=True):
if isinstance(text, str) and regexp:
text = re.compile(text, re.L | re.U | re.I)
self.env.last_search = text
self.search(order='search')
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, mode='set', narg=None, dirarg=None):
"""Copy the selected items. Modes are: 'set', 'add', 'remove'."""
assert mode in ('set', 'add', 'remove')
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)
cwd.pointer = pos
cwd.correct_pointer()
if mode == 'set':
self.env.copy = set(selected)
elif mode == 'add':
self.env.copy.update(set(selected))
elif mode == 'remove':
self.env.copy.difference_update(set(selected))
self.env.cut = False
self.ui.browser.main_column.request_redraw()
def cut(self, mode='set', narg=None, dirarg=None):
self.copy(mode=mode, 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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