name : command-not-found #!/usr/bin/python3 # (c) Zygmunt Krynicki 2005, 2006, 2007, 2008 # Licensed under GPL, see COPYING for the whole text from __future__ import absolute_import, print_function __version__ = "0.3" BUG_REPORT_URL = "https://bugs.launchpad.net/command-not-found/+filebug" try: import sys if sys.path and sys.path[0] == '/usr/lib': # Avoid ImportError noise due to odd installation location. sys.path.pop(0) if sys.version < '3': # We might end up being executed with Python 2 due to an old # /etc/bash.bashrc. import os if "COMMAND_NOT_FOUND_FORCE_PYTHON2" not in os.environ: os.execvp("/usr/bin/python3", [sys.argv[0]] + sys.argv) import gettext import locale from optparse import OptionParser from CommandNotFound.util import crash_guard from CommandNotFound import CommandNotFound except KeyboardInterrupt: import sys sys.exit(127) def enable_i18n(): cnf = gettext.translation("command-not-found", fallback=True) kwargs = {} if sys.version < '3': kwargs["unicode"] = True cnf.install(**kwargs) try: locale.setlocale(locale.LC_ALL, '') except locale.Error: locale.setlocale(locale.LC_ALL, 'C') def fix_sys_argv(encoding=None): """ Fix sys.argv to have only unicode strings, not binary strings. This is required by various places where such argument might be automatically coerced to unicode string for formatting """ if encoding is None: encoding = locale.getpreferredencoding() sys.argv = [arg.decode(encoding) for arg in sys.argv] class LocaleOptionParser(OptionParser): """ OptionParser is broken as its implementation of _get_encoding() uses sys.getdefaultencoding() which is ascii, what it should be using is locale.getpreferredencoding() which returns value based on LC_CTYPE (most likely) and allows for UTF-8 encoding to be used. """ def _get_encoding(self, file): encoding = getattr(file, "encoding", None) if not encoding: encoding = locale.getpreferredencoding() return encoding def main(): enable_i18n() if sys.version < '3': fix_sys_argv() parser = LocaleOptionParser( version=__version__, usage=_("%prog [options] <command-name>")) parser.add_option('-d', '--data-dir', action='store', default="/usr/share/command-not-found", help=_("use this path to locate data fields")) parser.add_option('--ignore-installed', '--ignore-installed', action='store_true', default=False, help=_("ignore local binaries and display the available packages")) parser.add_option('--no-failure-msg', action='store_true', default=False, help=_("don't print '<command-name>: command not found'")) (options, args) = parser.parse_args() if len(args) == 1: try: cnf = CommandNotFound.CommandNotFound(options.data_dir) except FileNotFoundError: print(_("Could not find command-not-found database. Run 'sudo apt update' to populate it."), file=sys.stderr) print(_("%s: command not found") % args[0], file=sys.stderr) return if not cnf.advise(args[0], options.ignore_installed) and not options.no_failure_msg: print(_("%s: command not found") % args[0], file=sys.stderr) if __name__ == "__main__": crash_guard(main, BUG_REPORT_URL, __version__)