Lichen

lib/sys.py

292:436d7832ca66
2016-12-01 Paul Boddie Introduced the itemaccess class as the base of sequence types and strings. Added support for obtaining substrings from strings. Added tests of string operations. Removed the superfluous _tuple function from the sequence module.
     1 #!/usr/bin/env python     2      3 """     4 System functions and objects.     5      6 Copyright (C) 2008, 2012, 2014, 2016 Paul Boddie <paul@boddie.org.uk>     7      8 This program is free software; you can redistribute it and/or modify it under     9 the terms of the GNU General Public License as published by the Free Software    10 Foundation; either version 3 of the License, or (at your option) any later    11 version.    12     13 This program is distributed in the hope that it will be useful, but WITHOUT    14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS    15 FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more    16 details.    17     18 You should have received a copy of the GNU General Public License along with    19 this program.  If not, see <http://www.gnu.org/licenses/>.    20 """    21     22 from native import _exit, _get_argv, _get_path    23     24 # Standard streams.    25     26 stdin = sysfile(0)    27 stdout = sysfile(1)    28 stderr = sysfile(2)    29     30 # NOTE: Environment details to be implemented.    31     32 argv = _get_argv()    33 path = _get_path()    34     35 # Functions to be implemented natively.    36     37 def exit(status=0):    38     _exit(int(status))    39     40 # vim: tabstop=4 expandtab shiftwidth=4