import os
import shutil
from ranger.shared import EnvironmentAware, SettingsAware
from ranger import fsobject
from ranger.ext.trim import trimmed_lines_of_docstring
from ranger.applications import run
class Actions(EnvironmentAware, SettingsAware):
search_method = 'ctime'
search_forward = False
def search(self, order=None, forward=True):
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.pwd.search_fnc(fnc=fnc, forward=forward)
elif order in ('size', 'mimetype', 'ctime'):
pwd = self.env.pwd
if not pwd.cycle_list:
lst = list(pwd.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)
pwd.set_cycle_list(lst)
return pwd.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
def interrupt(self):
"""
Waits a short time.
If CTRL+C is pressed while waiting, the program will be exited.
"""
import time
self.env.key_clear()
try:
time.sleep(0.2)
except KeyboardInterrupt:
raise SystemExit()
def resize(self):
"""Update the size of the UI"""
self.ui.update_size()
def exit(self):
"""Exit the program"""
raise SystemExit()
def enter_dir(self, path):
"""Enter the directory at the given path"""
return self.env.enter_dir(path)
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_pointer(relative=1)
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_pointer(relative=1)
def enter_bookmark(self, key):
"""Enter the bookmark with the name <key>"""
try:
destination = self.bookmarks[key]
pwd = self.env.pwd
if destination.path != pwd.path:
self.bookmarks.enter(key)
self.bookmarks.remember(pwd)
except KeyError:
pass
def set_bookmark(self, key):
"""Set the bookmark with the name <key> to the current directory"""
self.bookmarks[key] = self.env.pwd
def unset_bookmark(self, key):
"""Delete the bookmark with the name <key>"""
self.bookmarks.delete(key)
def move_left(self, n=1):
"""Enter the parent directory"""
try:
directory = os.path.join(*(['..'] * n))
except:
return
self.env.enter_dir(directory)
def move_right(self, mode=0):
"""Enter the current directory or execute the current file"""
cf = self.env.cf
marked_items = self.env.pwd.marked_items
sel = self.env.get_selection()
if not self.env.enter_dir(cf):
if sel:
if not self.execute_file(sel, mode=mode):
self.open_console('@')
def history_go(self, relative):
"""Move back and forth in the history"""
self.env.history_go(relative)
def handle_mouse(self):
"""Handle mouse-buttons if one was pressed"""
self.ui.handle_mouse()
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 = trimmed_lines_of_docstring(command.__doc__)
pager.set_source(lines)
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)
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 applications.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 run(fm=self, files=list(files), **kw)
def execute_command(self, cmd, **kw):
return run(fm=self, action=cmd, **kw)
def edit_file(self):
"""Calls execute_file with the current file and app='editor'"""
if self.env.cf is None:
return
self.execute_file(self.env.cf, app = 'editor')
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 move_pointer(self, relative = 0, absolute = None):
"""Move the pointer down by <relative> or to <absolute>"""
self.env.pwd.move(relative, absolute)
def move_pointer_by_pages(self, relative):
"""Move the pointer down by <relative> pages"""
self.env.pwd.move(relative=int(relative * self.env.termsize[0]))
def move_pointer_by_percentage(self, relative=0, absolute=None):
"""Move the pointer down by <relative>% or to <absolute>%"""
try:
factor = len(self.env.pwd) / 100.0
except:
return
self.env.pwd.move(
relative=int(relative * factor),
absolute=int(absolute * factor))
def scroll(self, relative):
"""Scroll down by <relative> lines"""
if hasattr(self.ui, 'scroll'):
self.ui.scroll(relative)
self.env.cf = self.env.pwd.pointed_obj
def redraw_window(self):
"""Redraw the window"""
self.ui.redraw_window()
def reset(self):
"""Reset the filemanager, clearing the directory buffer"""
old_path = self.env.pwd.path
self.env.directories = {}
self.enter_dir(old_path)
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 sort(self, func=None, reverse=None):
if reverse is not None:
self.env.settings['reverse'] = bool(reverse)
if func is not None:
self.env.settings['sort'] = str(func)
def force_load_preview(self):
cf = self.env.cf
if cf is not None:
cf.force_load = True
def set_filter(self, fltr):
try:
self.env.pwd.filter = fltr
except:
pass
def notify(self, text, duration=4, bad=False):
try:
method = self.ui.display
except AttributeError:
pass
else:
return method(text, duration=duration, bad=bad)
def mark(self, all=False, toggle=False, val=None, movedown=None):
"""
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.pwd is None:
return
pwd = self.env.pwd
if movedown is None:
movedown = not all
if val is None and toggle is False:
return
if all:
if toggle:
pwd.toggle_all_marks()
else:
pwd.mark_all(val)
else:
item = self.env.cf
if item is not None:
if toggle:
pwd.toggle_mark(item)
else:
pwd.mark_item(item, val)
if movedown:
self.move_pointer(relative=1)
# ------------------------------------ filesystem operations
def copy(self):
"""Copy the selected items"""
selected = self.env.get_selection()
self.env.copy = set(f for f in selected if f in self.env.pwd.files)
self.env.cut = False
def cut(self):
self.copy()
self.env.cut = True
def paste(self):
"""Paste the selected items into the current directory"""
from os.path import join, isdir
from ranger.ext import shutil_generatorized as shutil_g
from ranger.fsobject.loader import LoadableObject
copied_files = tuple(self.env.copy)
if not copied_files:
return
pwd = self.env.pwd
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(f.path, pwd.path):
yield
pwd.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(f.path,
join(self.env.pwd.path, f.basename)):
yield
else:
for _ in shutil_g.copy2(f.path, self.env.pwd.path):
yield
pwd.load_content()
self.loader.add(LoadableObject(generate(), descr))
def delete(self):
msg = self.notify("Deleting ...", duration=0)
selected = self.env.get_selection()
self.env.copy -= selected
if selected:
for f in selected:
if os.path.isdir(f.path):
try:
shutil.rmtree(f.path)
except OSError as err:
self.notify(str(err), bad=True)
else:
try:
os.remove(f.path)
except OSError as err:
self.notify(str(err), bad=True)
msg.delete()
def mkdir(self, name):
try:
os.mkdir(os.path.join(self.env.pwd.path, name))
except OSError as err:
self.notify(str(err), bad=True)
def rename(self, src, dest):
if hasattr(src, 'path'):
src = src.path
try:
os.rename(src, dest)
except OSError as err:
self.notify(str(err), bad=True)
# ------------------------------------ aliases
cd = enter_dir