core.main: only import own commands if commands.py exists - ranger - mirror of ranger

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author	hut <hut@lavabit.com>	2012-12-04 23:52:02 +0100
committer	hut <hut@lavabit.com>	2012-12-04 23:52:02 +0100
commit	f08a597557eeae1ce94e2a28565b5a0f08cb93eb (patch)
tree	b6cf4576ed46f287e55aad143f9fd115cb67329c /doc/ranger.pod
parent	08cb47c2ec3d83690e61dedf5129fd07e30402e1 (diff)
download	ranger-f08a597557eeae1ce94e2a28565b5a0f08cb93eb.tar.gz

core.main: only import own commands if commands.py exists

Diffstat (limited to 'doc/ranger.pod')

0 files changed, 0 insertions, 0 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/>. """ The File Manager, putting the pieces together """ from time import time from collections import deque import mimetypes import os import sys import ranger from ranger.core.actions import Actions from ranger.container.tags import Tags from ranger.gui.defaultui import DefaultUI from ranger.container import Bookmarks from ranger.core.runner import Runner from ranger.ext.get_executables import get_executables from ranger.fsobject import Directory from ranger.ext.signal_dispatcher import SignalDispatcher from ranger import __version__ from ranger.core.loader import Loader TICKS_BEFORE_COLLECTING_GARBAGE = 100 TIME_BEFORE_FILE_BECOMES_GARBAGE = 1200 class FM(Actions, SignalDispatcher): input_blocked = False input_blocked_until = 0 def __init__(self, ui=None, bookmarks=None, tags=None): """Initialize FM.""" Actions.__init__(self) SignalDispatcher.__init__(self) self.ui = ui self.log = deque(maxlen=20) self.bookmarks = bookmarks self.tags = tags self.tabs = {} self.current_tab = 1 self.loader = Loader() self.log.append('Ranger {0} started! Process ID is {1}.' \ .format(__version__, os.getpid())) self.log.append('Running on Python ' + sys.version.replace('\n','')) # COMPAT @property def executables(self): """For compatibility. Calls get_executables()""" return get_executables() def initialize(self): """If ui/bookmarks are None, they will be initialized here.""" if self.bookmarks is None: if ranger.arg.clean: bookmarkfile = None else: bookmarkfile = self.confpath('bookmarks') self.bookmarks = Bookmarks( bookmarkfile=bookmarkfile, bookmarktype=Directory, autosave=self.settings.autosave_bookmarks) self.bookmarks.load() else: self.bookmarks = bookmarks if not ranger.arg.clean and self.tags is None: self.tags = Tags(self.confpath('tagged')) if self.ui is None: self.ui = DefaultUI() self.ui.initialize() def mylogfunc(text): self.notify(text, bad=True) self.run = Runner(ui=self.ui, apps=self.apps, logfunc=mylogfunc) self.env.signal_bind('cd', self._update_current_tab) mimetypes.knownfiles.append(os.path.expanduser('~/.mime.types')) mimetypes.knownfiles.append(self.relpath('data/mime.types')) self.mimetypes = mimetypes.MimeTypes() def destroy(self): debug = ranger.arg.debug if self.ui: try: self.ui.destroy() except: if debug: raise if self.loader: try: self.loader.destroy() except: if debug: raise def block_input(self, sec=0): self.input_blocked = sec != 0 self.input_blocked_until = time() + sec def input_is_blocked(self): if self.input_blocked and time() > self.input_blocked_until: self.input_blocked = False return self.input_blocked def confpath(self, *paths): """returns the path relative to rangers configuration directory""" if ranger.arg.clean: assert 0, "Should not access relpath_conf in clean mode!" else: return os.path.join(ranger.arg.confdir, *paths) def relpath(self, *paths): """returns the path relative to rangers library directory""" return os.path.join(ranger.RANGERDIR, *paths) def loop(self): """ The main loop consists of: 1. reloading bookmarks if outdated 2. letting the loader work 3. drawing and finalizing ui 4. reading and handling user input 5. after X loops: collecting unused directory objects """ self.env.enter_dir(self.env.path) gc_tick = 0 # for faster lookup: ui = self.ui throbber = ui.throbber loader = self.loader env = self.env has_throbber = hasattr(ui, 'throbber') try: while True: loader.work() if has_throbber: if loader.has_work(): throbber(loader.status) else: throbber(remove=True) ui.redraw() ui.set_load_mode(loader.has_work()) ui.handle_input() gc_tick += 1 if gc_tick > TICKS_BEFORE_COLLECTING_GARBAGE: gc_tick = 0 env.garbage_collect(TIME_BEFORE_FILE_BECOMES_GARBAGE) except KeyboardInterrupt: # this only happens in --debug mode. By default, interrupts # are caught in curses_interrupt_handler raise SystemExit finally: self.bookmarks.remember(env.cwd) self.bookmarks.save()


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