fix exceptions from invalid unicode characters - ranger - mirror of ranger

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author	hut <hut@lavabit.com>	2010-05-16 20:14:33 +0200
committer	hut <hut@lavabit.com>	2010-05-16 20:14:33 +0200
commit	ce421875249b2ce9c6eacbade9b750e46ae80a20 (patch)
tree	1bdd32b7c75c6c26562572c97c35efbcb365c243 /ranger
parent	ef0157ff37404cf757f57711c62bb352a2971fa6 (diff)
download	ranger-ce421875249b2ce9c6eacbade9b750e46ae80a20.tar.gz

fix exceptions from invalid unicode characters

Diffstat (limited to 'ranger')

-rw-r--r--

ranger/container/bookmarks.py

-rw-r--r--

ranger/gui/curses_shortcuts.py

-rw-r--r--

ranger/gui/ui.py

-rw-r--r--

ranger/gui/widgets/browsercolumn.py

4 files changed, 51 insertions, 23 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 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_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, 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) cwd.pointer = pos 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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