Mercurial > libervia-backend
annotate frontends/src/jp/cmd_input.py @ 2361:5defafc8ede6
core, frontends (xmlui): new LabelContainer:
LabelContainer is like a PairContainer where first widget can only be LabelWidget or EmptyWidget. This case is the most common, and allow to generate better code when label can be associated to widget (e.g. in HTML).
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Sun, 24 Sep 2017 16:36:11 +0200 |
| parents | cbc989508474 |
| children | 8b37a62336c3 |
| rev | line source |
|---|---|
| 2278 | 1 #!/usr/bin/env python2 |
| 2 # -*- coding: utf-8 -*- | |
| 3 | |
| 4 # jp: a SàT command line tool | |
| 5 # Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org) | |
| 6 | |
| 7 # This program is free software: you can redistribute it and/or modify | |
| 8 # it under the terms of the GNU Affero General Public License as published by | |
| 9 # the Free Software Foundation, either version 3 of the License, or | |
| 10 # (at your option) any later version. | |
| 11 | |
| 12 # This program is distributed in the hope that it will be useful, | |
| 13 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 # GNU Affero General Public License for more details. | |
| 16 | |
| 17 # You should have received a copy of the GNU Affero General Public License | |
| 18 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | |
| 20 | |
| 21 import base | |
| 22 from sat.core.i18n import _ | |
|
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23 from sat.core import exceptions |
| 2278 | 24 from sat_frontends.jp.constants import Const as C |
| 25 from sat.tools.common.ansi import ANSI as A | |
| 26 import subprocess | |
| 27 import argparse | |
| 28 import sys | |
| 29 | |
| 30 __commands__ = ["Input"] | |
| 31 OPT_STDIN = 'stdin' | |
| 32 OPT_SHORT = 'short' | |
| 33 OPT_LONG = 'long' | |
| 34 OPT_POS = 'positional' | |
| 35 OPT_IGNORE = 'ignore' | |
| 36 OPT_TYPES = (OPT_STDIN, OPT_SHORT, OPT_LONG, OPT_POS, OPT_IGNORE) | |
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37 OPT_EMPTY_SKIP = 'skip' |
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38 OPT_EMPTY_IGNORE = 'ignore' |
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39 OPT_EMPTY_CHOICES = (OPT_EMPTY_SKIP, OPT_EMPTY_IGNORE) |
| 2278 | 40 |
| 41 | |
| 42 class InputCommon(base.CommandBase): | |
| 43 | |
| 44 def __init__(self, host, name, help): | |
| 45 base.CommandBase.__init__(self, host, name, use_verbose=True, use_profile=False, help=help) | |
| 46 self.idx = 0 | |
| 47 self.reset() | |
| 48 | |
| 49 def reset(self): | |
| 50 self.args_idx = 0 | |
| 51 self._stdin = [] | |
| 52 self._opts = [] | |
| 53 self._pos = [] | |
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54 self._values_ori = [] |
| 2278 | 55 |
| 56 def add_parser_options(self): | |
| 57 self.parser.add_argument("--encoding", default='utf-8', help=_(u"encoding of the input data")) | |
| 58 self.parser.add_argument("-i", "--stdin", action='append_const', const=(OPT_STDIN, None), dest='arguments', help=_(u"standard input")) | |
| 59 self.parser.add_argument("-s", "--short", type=self.opt(OPT_SHORT), action='append', dest='arguments', help=_(u"short option")) | |
| 60 self.parser.add_argument("-l", "--long", type=self.opt(OPT_LONG), action='append', dest='arguments', help=_(u"long option")) | |
| 61 self.parser.add_argument("-p", "--positional", type=self.opt(OPT_POS), action='append', dest='arguments', help=_(u"positional argument")) | |
| 62 self.parser.add_argument("-x", "--ignore", action='append_const', const=(OPT_IGNORE, None), dest='arguments', help=_(u"ignore value")) | |
| 63 self.parser.add_argument("-D", "--debug", action='store_true', help=_(u"don't actually run commands but echo what would be launched")) | |
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64 self.parser.add_argument("--log", type=argparse.FileType('wb'), help=_(u"log stdout to FILE")) |
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65 self.parser.add_argument("--log-err", type=argparse.FileType('wb'), help=_(u"log stderr to FILE")) |
| 2278 | 66 self.parser.add_argument("command", nargs=argparse.REMAINDER) |
| 67 | |
| 68 def opt(self, type_): | |
| 69 return lambda s: (type_, s) | |
| 70 | |
| 71 def addValue(self, value): | |
| 72 """add a parsed value according to arguments sequence""" | |
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73 self._values_ori.append(value) |
| 2278 | 74 arguments = self.args.arguments |
| 75 try: | |
| 76 arg_type, arg_name = arguments[self.args_idx] | |
| 77 except IndexError: | |
| 78 self.disp(_(u"arguments in input data and in arguments sequence don't match"), error=True) | |
| 79 self.host.quit(C.EXIT_DATA_ERROR) | |
| 80 self.args_idx += 1 | |
| 81 while self.args_idx < len(arguments): | |
| 82 next_arg = arguments[self.args_idx] | |
| 83 if next_arg[0] not in OPT_TYPES: | |
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84 # value will not be used if False or None, so we skip filter |
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85 if value not in (False, None): |
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86 # we have a filter |
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87 filter_type, filter_arg = arguments[self.args_idx] |
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88 value = self.filter(filter_type, filter_arg, value) |
| 2278 | 89 else: |
| 90 break | |
| 91 self.args_idx += 1 | |
| 92 | |
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93 if value is None: |
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94 # we ignore this argument |
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95 return |
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96 |
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97 if value is False: |
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98 # we skip the whole row |
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99 if self.args.debug: |
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100 self.disp(A.color(C.A_SUBHEADER, _(u'values: '), A.RESET, u', '.join(self._values_ori)), 2) |
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101 self.disp(A.color(A.BOLD, _(u'**SKIPPING**\n'))) |
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102 self.reset() |
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103 self.idx += 1 |
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104 raise exceptions.CancelError |
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105 |
| 2278 | 106 if not isinstance(value, list): |
| 107 value = [value] | |
| 108 | |
| 109 for v in value: | |
| 110 if arg_type == OPT_STDIN: | |
| 111 self._stdin.append(v.encode('utf-8')) | |
| 112 elif arg_type == OPT_SHORT: | |
| 113 self._opts.append('-{}'.format(arg_name)) | |
| 114 self._opts.append(v.encode('utf-8')) | |
| 115 elif arg_type == OPT_LONG: | |
| 116 self._opts.append('--{}'.format(arg_name)) | |
| 117 self._opts.append(v.encode('utf-8')) | |
| 118 elif arg_type == OPT_POS: | |
| 119 self._pos.append(v.encode('utf-8')) | |
| 120 elif arg_type == OPT_IGNORE: | |
| 121 pass | |
| 122 else: | |
| 123 self.parser.error(_(u"Invalid argument, an option type is expected, got {type_}:{name}").format( | |
| 124 type_=arg_type, name=arg_name)) | |
| 125 | |
| 126 def runCommand(self): | |
| 127 """run requested command with parsed arguments""" | |
| 128 if self.args_idx != len(self.args.arguments): | |
| 129 self.disp(_(u"arguments in input data and in arguments sequence don't match"), error=True) | |
| 130 self.host.quit(C.EXIT_DATA_ERROR) | |
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131 self.disp(A.color(C.A_HEADER, _(u'command {idx}').format(idx=self.idx)), no_lf=not self.args.debug) |
| 2278 | 132 stdin = ''.join(self._stdin) |
| 133 if self.args.debug: | |
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134 self.disp(A.color(C.A_SUBHEADER, _(u'values: '), A.RESET, u', '.join(self._values_ori)), 2) |
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135 |
| 2278 | 136 if stdin: |
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137 self.disp(A.color(C.A_SUBHEADER, u'--- STDIN ---')) |
| 2278 | 138 self.disp(stdin.decode('utf-8')) |
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139 self.disp(A.color(C.A_SUBHEADER, u'-------------')) |
| 2278 | 140 self.disp(u'{indent}{prog} {static} {options} {positionals}'.format( |
| 141 indent = 4*u' ', | |
| 142 prog=sys.argv[0], | |
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143 static = ' '.join(self.args.command).decode('utf-8'), |
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144 options = u' '.join([o.decode('utf-8') for o in self._opts]), |
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145 positionals = u' '.join([p.decode('utf-8') for p in self._pos]) |
| 2278 | 146 )) |
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147 self.disp(u'\n') |
| 2278 | 148 else: |
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149 self.disp(u' (' + u', '.join(self._values_ori) + u')', 2, no_lf=True) |
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150 args = [sys.argv[0]] + self.args.command + self._opts + self._pos |
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151 p = subprocess.Popen(args, |
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152 stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
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153 (stdout, stderr) = p.communicate(stdin) |
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154 log = self.args.log |
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155 log_err = self.args.log_err |
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156 log_tpl = '{command}\n{buff}\n\n' |
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157 if log: |
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158 log.write(log_tpl.format(command=' '.join(args), buff=stdout)) |
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159 if log_err: |
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160 log_err.write(log_tpl.format(command=' '.join(args), buff=stderr)) |
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161 ret = p.wait() |
| 2278 | 162 if ret == 0: |
| 163 self.disp(A.color(C.A_SUCCESS, _(u'OK'))) | |
| 164 else: | |
| 165 self.disp(A.color(C.A_FAILURE, _(u'FAILED'))) | |
| 166 | |
| 167 self.reset() | |
| 168 self.idx += 1 | |
| 169 | |
| 170 def filter(self, filter_type, filter_arg, value): | |
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171 """change input value |
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172 |
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173 @param filter_type(unicode): name of the filter |
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174 @param filter_arg(unicode, None): argument of the filter |
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175 @param value(unicode): value to filter |
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176 @return (unicode, False, None): modified value |
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177 False to skip the whole row |
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178 None to ignore this argument (but continue row with other ones) |
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179 """ |
| 2278 | 180 raise NotImplementedError |
| 181 | |
| 182 | |
| 183 class Csv(InputCommon): | |
| 184 | |
| 185 def __init__(self, host): | |
| 186 super(Csv, self).__init__(host, 'csv', _(u'comma-separated values')) | |
| 187 | |
| 188 def add_parser_options(self): | |
| 189 InputCommon.add_parser_options(self) | |
| 190 self.parser.add_argument("-r", "--row", type=int, default=0, help=_(u"starting row (previous ones will be ignored)")) | |
| 191 self.parser.add_argument("-S", "--split", action='append_const', const=('split', None), dest='arguments', help=_(u"split value in several options")) | |
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192 self.parser.add_argument("-E", "--empty", action='append', type=self.opt('empty'), dest='arguments', |
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193 help=_(u"action to do on empty value ({choices})").format(choices=u', '.join(OPT_EMPTY_CHOICES))) |
| 2278 | 194 |
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195 def filter(self, filter_type, filter_arg, value): |
| 2278 | 196 if filter_type == 'split': |
| 197 return value.split() | |
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198 elif filter_type == 'empty': |
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199 if filter_arg == OPT_EMPTY_IGNORE: |
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200 return value if value else None |
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201 elif filter_arg == OPT_EMPTY_SKIP: |
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202 return value if value else False |
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203 else: |
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204 self.parser.error(_(u"--empty value must be one of {choices}").format(choices=u', '.join(OPT_EMPTY_CHOICES))) |
| 2278 | 205 |
| 206 super(Csv, self).filter(filter_type, filter_arg, value) | |
| 207 | |
| 208 def start(self): | |
| 209 import csv | |
| 210 reader = csv.reader(sys.stdin) | |
| 211 for idx, row in enumerate(reader): | |
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212 try: |
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213 if idx < self.args.row: |
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214 continue |
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215 for value in row: |
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216 self.addValue(value.decode(self.args.encoding)) |
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217 self.runCommand() |
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218 except exceptions.CancelError: |
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219 # this row has been cancelled, we skip it |
| 2278 | 220 continue |
| 221 | |
| 222 | |
| 223 class Input(base.CommandBase): | |
| 224 subcommands = (Csv,) | |
| 225 | |
| 226 def __init__(self, host): | |
| 227 super(Input, self).__init__(host, 'input', use_profile=False, help=_(u'launch command with external input')) |