move examples to doc/examples - ranger - mirror of ranger

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author	hut <hut@lavabit.com>	2013-03-09 18:48:02 +0100
committer	hut <hut@lavabit.com>	2013-03-09 18:48:02 +0100
commit	d2c7d024290ee95afa418975c728ad64172dcfec (patch)
tree	eea0659eab7bb0c7b9cc2026468c840d7f22a5c9 /doc/examples/bash_subshell_notice.sh
parent	62af277734f05f27f20467393c9d997012ddd2b4 (diff)
download	ranger-d2c7d024290ee95afa418975c728ad64172dcfec.tar.gz

move examples to doc/examples

Diffstat (limited to 'doc/examples/bash_subshell_notice.sh')

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doc/examples/bash_subshell_notice.sh

1 files changed, 7 insertions, 0 deletions

import os from ranger.shared import FileManagerAware from ranger.gui.widgets import console_mode as cmode # -------------------------------- helper classes class parse(object): """Parse commands and extract information""" def __init__(self, line): self.line = line self.chunks = line.split() try: self.firstpart = line[:line.rindex(' ') + 1] except ValueError: self.firstpart = '' def chunk(self, n, otherwise=''): if len(self.chunks) > n: return self.chunks[n] else: return otherwise def __add__(self, newpart): return self.firstpart + newpart class Command(FileManagerAware): """Abstract command class""" name = None line = '' def __init__(self, line, mode): self.line = line self.mode = mode def execute(self): pass def tab(self): pass def quick_open(self): pass # -------------------------------- definitions class cd(Command): """ The cd command changes the directory. The command 'cd -' is equivalent to typing ``. In the quick console, the directory will be entered without the need to press enter, as soon as there is one unambiguous match. """ def execute(self): line = parse(self.line) try: destination = line.chunks[1] except IndexError: destination = '~' if destination == '-': self.fm.enter_bookmark('`') else: self.fm.enter_dir(destination) def tab(self): from os.path import dirname, basename, expanduser, join, isdir line = parse(self.line) pwd = self.fm.env.pwd.path try: rel_dest = line.chunks[1] except IndexError: rel_dest = '' if rel_dest.startswith('~'): return line + expanduser(rel_dest) + '/' abs_dest = join(pwd, rel_dest) abs_dirname = dirname(abs_dest) rel_basename = basename(rel_dest) rel_dirname = dirname(rel_dest) try: if rel_dest.endswith('/') or rel_dest == '': _, dirnames, _ = os.walk(abs_dest).next() else: _, dirnames, _ = os.walk(abs_dirname).next() dirnames = [dn for dn in dirnames \ if dn.startswith(rel_basename)] except (OSError, StopIteration): pass else: dirnames.sort() if len(dirnames) == 0: return if len(dirnames) == 1: return line + join(rel_dirname, dirnames[0]) + '/' return (line + join(rel_dirname, dirname) for dirname in dirnames) def quick_open(self): from os.path import isdir, join, normpath line = parse(self.line) pwd = self.fm.env.pwd.path try: rel_dest = line.chunks[1] except IndexError: return False abs_dest = normpath(join(pwd, rel_dest)) return rel_dest != '.' and isdir(abs_dest) class find(Command): """ The find command will attempt to find a partial, case insensitive match in the filenames of the current directory. In the quick command console, once there is one unambiguous match, the file will be run automatically. """ count = 0 def execute(self): if self.mode != cmode.COMMAND_QUICK: self._search() import re search = parse(self.line).chunk(1) search = re.escape(search) self.fm.env.last_search = re.compile(search, re.IGNORECASE) def quick_open(self): self._search() if self.count == 1: self.fm.move_right() self.fm.block_input(0.5) return True def _search(self): self.count = 0 line = parse(self.line) pwd = self.fm.env.pwd try: arg = line.chunks[1] except IndexError: return False length = len(pwd.files) for i in range(length): actual_index = (pwd.pointer + i) % length filename = pwd.files[actual_index].basename_lower if arg in filename: self.count += 1 if self.count == 1: pwd.move(absolute=actual_index) self.fm.env.cf = pwd.pointed_obj if self.count > 1: return False return self.count == 1 class quit(Command): """Quits the program.""" def execute(self): raise SystemExit class delete(Command): def execute(self): self.fm.delete() class mkdir(Command): def execute(self): line = parse(self.line) try: self.fm.mkdir(line.chunks[1]) except IndexError: pass # -------------------------------- rest by_name = {} for varname, var in vars().copy().items(): try: if issubclass(var, Command) and var != Command: by_name[var.name or varname] = var except TypeError: pass def alias(**kw): for key, value in kw.items(): by_name[key] = value alias(q=quit)


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