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#-*- coding: utf-8 -*-
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# Copyright 2010 Calculate Ltd. http://www.calculate-linux.org
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys
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import re
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import textwrap
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import optparse
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from cl_utils import _toUNICODE
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from cl_lang import lang
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tr = lang()
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tr.setLocalDomain('cl_lib')
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tr.setLanguage(sys.modules[__name__])
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optparse._ = _
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def check_choice_regignore(option, opt, value):
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"""Check choice with registry independence"""
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if value.lower() in map(lambda x:x.lower(),option.choices):
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return value
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else:
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return optparse.check_choice(option,opt,value)
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def make_option(shortOption=None, longOption=None,
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optVal=None, help=None, default=None,
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action=None, type=None, choices=None,
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choices_regignore=None):
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"""Make option. Used for processing options parameter in opt __init__.
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shortOption short option
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longOption long option
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optVal argument name, if specified then
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option is store, else bool value
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help help string
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default default value of this option
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action another action (at example append, for creating list)
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type type of value
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choices choice values for type 'choice'
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choices_regignore alsa as choice only registry ignored
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Examples:
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Simple bool option:
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make_option(shortOption="q",help=_("quiet work mode"))
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Simple value option:
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make_option(longOption="file",help=_("log file"),optVal="LOGFILE",
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default="/var/log/test.log")
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Choice option:
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make_option(shortOption="color",help=_("color mode"), type="choice",
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choices=["auto","always","never"])
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Many option:
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make_option(longOption="set",help=_("set variable"),action="append",
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optVal="VAR")
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"""
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# create option by arguments
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args = []
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dest = None
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choices = choices or choices_regignore
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if not shortOption is None:
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args.append("-%s"%shortOption)
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dest = shortOption
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if not longOption is None:
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args.append("--%s"%longOption)
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if type == "choice":
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action = "store"
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else:
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if not optVal is None:
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if not action:
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action = "store"
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type = "string"
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else:
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if not action:
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action = "store_true"
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default = False
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type = None
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opt = optparse.make_option(*args, action=action, type=type,
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dest=dest, metavar=optVal,
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help=help, default=default,
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choices=choices)
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if choices_regignore:
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opt.TYPE_CHECKER["choice"] = check_choice_regignore
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return opt
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class ShareHelpFormatter:
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"""Общие методы форматирования help-а"""
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def format_option(self, option):
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# The help for each option consists of two parts:
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# * the opt strings and metavars
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# eg. ("-x", or "-fFILENAME, --file=FILENAME")
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# * the user-supplied help string
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# eg. ("turn on expert mode", "read data from FILENAME")
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#
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# If possible, we write both of these on the same line:
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# -x turn on expert mode
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#
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# But if the opt string list is too long, we put the help
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# string on a second line, indented to the same column it would
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# start in if it fit on the first line.
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# -fFILENAME, --file=FILENAME
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# read data from FILENAME
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result = []
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opts = self.option_strings[option]
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opt_width = self.help_position - self.current_indent - 2
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if len(opts) > opt_width:
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opts = "%*s%s\n" % (self.current_indent, "", opts)
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indent_first = self.help_position
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else: # start help on same line as opts
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opts = "%*s%-*s " % (self.current_indent, "", opt_width, opts)
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indent_first = 0
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result.append(opts)
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if option.help:
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help_text = self.expand_default(option)
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help_lines = map(lambda x : x.encode('UTF-8'),
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textwrap.wrap(_toUNICODE(help_text),
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self.help_width))
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result.append("%*s%s\n" % (indent_first, "", help_lines[0]))
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result.extend(["%*s%s\n" % (self.help_position, "", line)
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for line in help_lines[1:]])
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elif opts[-1] != "\n":
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result.append("\n")
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return "".join(result)
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def _format_text(self, text):
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"""
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Format a paragraph of free-form text for inclusion in the
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help output at the current indentation level.
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"""
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text_width = self.width - self.current_indent
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indent = " "*self.current_indent
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return textwrap.fill(_toUNICODE(text),
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text_width,
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initial_indent=indent,
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subsequent_indent=indent).encode('UTF-8')
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def format_description(self, description):
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if description:
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lines = map(lambda x: self._format_text(x), description.split("\n"))
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return "\n".join(lines)
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else:
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return ""
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def get_example_header(self):
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return _("Examples") + ":\n"
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def format_examples(self, examples, comment=""):
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if examples:
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# "Examples:"
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header = self.get_example_header()
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if comment:
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comment = "%s" % comment
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backup_width = self.width
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self.width = self.width - self.indent_increment - 2
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lines = []
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for line in comment.split("\n"):
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lines.append(self._format_text(line))
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self.width = backup_width
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lines = ("\n".join(lines)).split("\n")
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out_lines = []
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for line in lines:
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if line.strip():
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out_lines.append(" "*self.indent_increment+"# "+line)
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else:
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out_lines.append(line)
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comment = "\n".join(out_lines)
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text_examples = "%s\n%s%s" \
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%(comment," "*self.indent_increment, examples)
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else:
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text_examples = "%s%s" %(" "*self.indent_increment,examples)
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return header + text_examples + "\n"
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else:
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return ""
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class TitledHelpFormatter(ShareHelpFormatter, optparse.TitledHelpFormatter):
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"""Форматирование вывода помощи с заголовками"""
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def __init__(self,
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indent_increment=2,
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max_help_position=24,
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width=None,
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short_first=1):
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optparse.TitledHelpFormatter.__init__(self, indent_increment,
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max_help_position, width,
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short_first)
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def format_usage(self, usage):
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if usage:
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return "%s%s%s" % (self.format_heading(_("Usage")),
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" "*self.indent_increment,
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usage)
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else:
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return ""
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def get_example_header(self):
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return self.format_heading(_("Examples"))
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def format_description(self, description):
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description = ShareHelpFormatter.format_description(self, description)
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if description:
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return " "*self.indent_increment + description
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else:
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return ""
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class IndentedHelpFormatter(ShareHelpFormatter, optparse.IndentedHelpFormatter):
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"""Форматирование вывода стандартный класс"""
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def __init__(self,
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indent_increment=2,
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max_help_position=24,
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width=None,
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short_first=1):
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optparse.IndentedHelpFormatter.__init__(self, indent_increment,
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max_help_position, width,
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short_first)
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def format_usage(self, usage):
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if usage:
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return _("Usage") + ": %s" % usage
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else:
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return ""
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class opt(optparse.OptionParser):
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"""Class of options for calculate utilities
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Example:
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class new_utility(opt):
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def __init__(self):
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opt.__init__(self,
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package=__app__,
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version=__version__,
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description=_("Some description"),\
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option_list= [\
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#Simple bool option:
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{
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'shortOption':'q',
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'help':_("quiet work mode")
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},
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#Simple value option:
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{
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'longOption':"file",
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'help':_("log file"),
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'optVal':"LOGFILE",
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"default":"/var/log/test.log")
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},
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#Choice option:
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{
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'shortOption':"color",
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'help':_("color mode"),
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'type':"choice",
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'choices'=["auto","always","never"]
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},
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#Summary option:
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{
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'longOption':"set",
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'help':_("set variable"),
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'action':"append",
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'optVal'="VAR"
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}
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]
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)
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"""
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variable_control = \
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[{'longOption':"set",
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'optVal':"VAR=VALUE",
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'action':'append',
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'help':_("set value for variable")
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},
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{'shortOption':"v",
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'longOption':"vars",
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'action':'count',
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'help':_("print variables, if the two options is verbose "
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"(added print hidden variables)")
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},
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{'longOption':"filter",
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'optVal':"FILTER",
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'help':_("filtered variables (as a regular expression is used *), \
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is used in conjunction with the options '-v --vars'")
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},
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{'longOption':"xml",
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'help':_("output variables in the format of XML, \
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is used in conjunction with the option '-v --vars'")
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}]
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color_control = \
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[
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{'longOption':"color",
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'optVal':"WHEN",
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'type':'choice',
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'choices':['never','always','auto'],
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'help':_("control whether color is used. WHEN may be") +\
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" 'never', 'always', "+ _("or") + " 'auto'"
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}]
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def __init__(self, package=None, version=None,
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usage=None, examples=None, description=None,
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option_list=[],
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epilog=None,
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comment_examples=None,
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formatter=IndentedHelpFormatter(),
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check_values=None):
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"""Установка опций командной строки"""
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self.package = package
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self.examples = examples
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self.comment_examples = comment_examples
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# Дополнительная функция проверки опций
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if check_values:
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self.check_values = check_values
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optparse.OptionParser.__init__(self,
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usage=usage,
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option_list=[make_option(**i) for i in option_list],
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option_class=optparse.Option,
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version=version,
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conflict_handler="error",
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description=description,
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formatter=formatter,
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#formatter=TitledHelpFormatter(),
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epilog=epilog)
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self.formatter._long_opt_fmt = "%s %s"
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def get_usage(self):
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"""Replace standard help header"""
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if self.usage:
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return "%s %s\n\n%s"%(self.package,self.version,
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self.formatter.format_usage(self.expand_prog_name(self.usage)))
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else:
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return ""
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|
def get_description(self):
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|
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|
"""Replace standard help header"""
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|
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|
if self.examples:
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|
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|
if self.comment_examples:
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|
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|
text_examples = self.formatter.format_examples(self.examples,
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|
self.comment_examples)
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|
else:
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|
|
text_examples = self.formatter.format_examples(self.examples)
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|
|
|
return self.description + "\n\n" +\
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|
self.expand_prog_name(text_examples)
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|
|
return self.description + "\n"
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|
def format_help(self, formatter=None):
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|
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|
"""Decode format help from utf-8 to unicode"""
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|
|
|
return \
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|
optparse.OptionParser.format_help(self,formatter).decode('UTF-8')
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|
def error(self, msg):
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|
|
"""error(msg : string)
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|
|
|
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|
|
|
|
Print a usage message incorporating 'msg' to stderr and exit.
|
|
|
|
|
If you override this in a subclass, it should not return -- it
|
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|
should either exit or raise an exception.
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|
"""
|
|
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|
|
self.print_usage(sys.stderr)
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|
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|
|
self.exit(2, "%s: %s: %s\n%s\n" % (self.get_prog_name(), _("error"), msg,
|
|
|
|
|
_("Try `%s' for more information")%
|
|
|
|
|
("%s --help"%self.get_prog_name())))
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|
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|
|
def checkVarSyntax(self,values):
|
|
|
|
|
"""Check value of parameter set, was used for change vars"""
|
|
|
|
|
reCheckSet = re.compile("^[0-9a-z_]+=.*$")
|
|
|
|
|
if values.set:
|
|
|
|
|
for val in values.set:
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|
|
|
|
if not reCheckSet.match(val):
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|
|
|
|
self.error(_("wrong variable set %s")%val)
|