EVOLUTION-NINJA

Edit File: i18n_optparse.py

from __future__ import print_function, division, absolute_import # # Make optparse friendlier to i18n/l10n # # Copyright (c) 2010 Red Hat, Inc. # # This software is licensed to you under the GNU General Public License, # version 2 (GPLv2). There is NO WARRANTY for this software, express or # implied, including the implied warranties of MERCHANTABILITY or FITNESS # FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2 # along with this software; if not, see # http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. # # Red Hat trademarks are not licensed under GPLv2. No permission is # granted to use or replicate Red Hat trademarks that are incorporated # in this software or its documentation. # """ Make optparse friendlier to i18n/l10n Just use this instead of optparse, the interface should be the same. For some backgorund, see: http://bugs.python.org/issue4319 """ import optparse from optparse import IndentedHelpFormatter as _IndentedHelpFormatter from optparse import OptionParser as _OptionParser import sys import textwrap from subscription_manager.i18n import ugettext as _ optparse._ = _ # note default is lower caps USAGE = _("%prog [OPTIONS]") # # This is pulled from the python dist, in optparse.py # #Copyright (c) 2001-2006 Gregory P. Ward. All rights reserved. #Copyright (c) 2002-2006 Python Software Foundation. All rights reserved. # #Redistribution and use in source and binary forms, with or without #modification, are permitted provided that the following conditions are #met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # # * Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # * Neither the name of the author nor the names of its # contributors may be used to endorse or promote products derived from # this software without specific prior written permission. # #THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS #IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED #TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A #PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR #CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, #EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, #PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR #PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF #LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING #NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS #SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. class WrappedIndentedHelpFormatter(_IndentedHelpFormatter): def __init__(self, indent_increment=2, max_help_position=24, width=None, short_first=1): _IndentedHelpFormatter.__init__( self, indent_increment, max_help_position, width, short_first) # FIXME: This is a hack, since optparse doesn't let us change textwrap # params directly, and textwrap is kind of broken trying to # break words with multibyte chars. # See bz #752316, #771751 # # So we add our own HelpFormatter subclass, and since we can't really # change how it calls textwrap, duplicate it here, and change the # textwrap.wrap call to include the break_long_words=False def format_option(self, option): # The help for each option consists of two parts: # * the opt strings and metavars # eg. ("-x", or "-fFILENAME, --file=FILENAME") # * the user-supplied help string # eg. ("turn on expert mode", "read data from FILENAME") # # If possible, we write both of these on the same line: # -x turn on expert mode # # But if the opt string list is too long, we put the help # string on a second line, indented to the same column it would # start in if it fit on the first line. # -fFILENAME, --file=FILENAME # read data from FILENAME result = [] opts = self.option_strings[option] opt_width = self.help_position - self.current_indent - 2 if len(opts) > opt_width: opts = "%*s%s\n" % (self.current_indent, "", opts) indent_first = self.help_position else: # start help on same line as opts opts = "%*s%-*s " % (self.current_indent, "", opt_width, opts) indent_first = 0 result.append(opts) if option.help: help_text = self.expand_default(option) help_lines = textwrap.wrap(help_text, self.help_width, break_long_words=False) result.append("%*s%s\n" % (indent_first, "", help_lines[0])) result.extend(["%*s%s\n" % (self.help_position, "", line) for line in help_lines[1:]]) elif opts[-1] != "\n": result.append("\n") return "".join(result) # 2.4 uses lower case "usage", 2.6 uses "Usage" # This was making QE jittery, always use upper def format_usage(self, usage): return _("Usage: %s\n") % usage class OptionParser(_OptionParser): def print_help(self): sys.stdout.write(self.format_help()) def error(self, msg): """ Override default error handler to localize prints command usage, then the error string, and exits. """ self.print_usage(sys.stderr) #translators: arg 1 is the program name, arg 2 is the error message print(_("%s: error: %s") % (self.get_prog_name(), msg)) self.exit(2)