--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/frontends/src/jp/cmd_input.py	Wed Jun 28 01:28:41 2017 +0200
@@ -0,0 +1,174 @@
+#!/usr/bin/env python2
+# -*- coding: utf-8 -*-
+
+# jp: a SàT command line tool
+# Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+import base
+from sat.core.i18n import _
+from sat_frontends.jp.constants import Const as C
+from sat.tools.common.ansi import ANSI as A
+import subprocess
+import argparse
+import os
+import sys
+
+__commands__ = ["Input"]
+OPT_STDIN = 'stdin'
+OPT_SHORT = 'short'
+OPT_LONG = 'long'
+OPT_POS = 'positional'
+OPT_IGNORE = 'ignore'
+OPT_TYPES = (OPT_STDIN, OPT_SHORT, OPT_LONG, OPT_POS, OPT_IGNORE)
+
+
+class InputCommon(base.CommandBase):
+
+    def __init__(self, host, name, help):
+        base.CommandBase.__init__(self, host, name, use_verbose=True, use_profile=False, help=help)
+        self.idx = 0
+        self.reset()
+
+    def reset(self):
+        self.args_idx = 0
+        self._stdin = []
+        self._opts = []
+        self._pos = []
+
+    def add_parser_options(self):
+        self.parser.add_argument("--encoding", default='utf-8', help=_(u"encoding of the input data"))
+        self.parser.add_argument("-i", "--stdin", action='append_const', const=(OPT_STDIN, None), dest='arguments', help=_(u"standard input"))
+        self.parser.add_argument("-s", "--short", type=self.opt(OPT_SHORT), action='append', dest='arguments', help=_(u"short option"))
+        self.parser.add_argument("-l", "--long", type=self.opt(OPT_LONG), action='append', dest='arguments', help=_(u"long option"))
+        self.parser.add_argument("-p", "--positional", type=self.opt(OPT_POS), action='append', dest='arguments', help=_(u"positional argument"))
+        self.parser.add_argument("-x", "--ignore", action='append_const', const=(OPT_IGNORE, None), dest='arguments', help=_(u"ignore value"))
+        self.parser.add_argument("-D", "--debug", action='store_true', help=_(u"don't actually run commands but echo what would be launched"))
+        self.parser.add_argument("command", nargs=argparse.REMAINDER)
+
+    def opt(self, type_):
+        return lambda s: (type_, s)
+
+    def addValue(self, value):
+        """add a parsed value according to arguments sequence"""
+        arguments = self.args.arguments
+        try:
+            arg_type, arg_name = arguments[self.args_idx]
+        except IndexError:
+            self.disp(_(u"arguments in input data and in arguments sequence don't match"), error=True)
+            self.host.quit(C.EXIT_DATA_ERROR)
+        self.args_idx += 1
+        while self.args_idx < len(arguments):
+            next_arg = arguments[self.args_idx]
+            if next_arg[0] not in OPT_TYPES:
+                # we have a filter
+                filter_type, filter_arg = arguments[self.args_idx]
+                value = self.filter(filter_type, filter_arg, value)
+            else:
+                break
+            self.args_idx += 1
+
+        if not isinstance(value, list):
+            value = [value]
+
+        for v in value:
+            if arg_type == OPT_STDIN:
+                self._stdin.append(v.encode('utf-8'))
+            elif arg_type == OPT_SHORT:
+                self._opts.append('-{}'.format(arg_name))
+                self._opts.append(v.encode('utf-8'))
+            elif arg_type == OPT_LONG:
+                self._opts.append('--{}'.format(arg_name))
+                self._opts.append(v.encode('utf-8'))
+            elif arg_type == OPT_POS:
+                self._pos.append(v.encode('utf-8'))
+            elif arg_type == OPT_IGNORE:
+                pass
+            else:
+                self.parser.error(_(u"Invalid argument, an option type is expected, got {type_}:{name}").format(
+                                  type_=arg_type, name=arg_name))
+
+    def runCommand(self):
+        """run requested command with parsed arguments"""
+        if self.args_idx != len(self.args.arguments):
+            self.disp(_(u"arguments in input data and in arguments sequence don't match"), error=True)
+            self.host.quit(C.EXIT_DATA_ERROR)
+        stdin = ''.join(self._stdin)
+        if self.args.debug:
+            self.disp(_(u'command {idx}').format(idx=self.idx))
+            if stdin:
+                self.disp(u'--- STDIN ---')
+                self.disp(stdin.decode('utf-8'))
+                self.disp(u'-------------')
+            self.disp(u'{indent}{prog} {static} {options} {positionals}'.format(
+                indent = 4*u' ',
+                prog=sys.argv[0],
+                static = ' '.join(self.args.command).encode('utf-8'),
+                options = u' '.join([o.encode('utf-8') for o in self._opts]),
+                positionals = u' '.join([p.encode('utf-8') for p in self._pos])
+                ))
+            self.disp(u'')
+        else:
+            self.disp(_(u'command {idx}').format(idx=self.idx), no_lf=True)
+            with open(os.devnull, 'wb') as DEVNULL:
+                p = subprocess.Popen([sys.argv[0]] + self.args.command + self._opts + self._pos,
+                                      stdin=subprocess.PIPE, stdout=DEVNULL, stderr=DEVNULL)
+                p.communicate(stdin)
+                ret = p.wait()
+            if ret == 0:
+                self.disp(A.color(C.A_SUCCESS, _(u'OK')))
+            else:
+                self.disp(A.color(C.A_FAILURE, _(u'FAILED')))
+
+        self.reset()
+        self.idx += 1
+
+    def filter(self, filter_type, filter_arg, value):
+        raise NotImplementedError
+
+
+class Csv(InputCommon):
+
+    def __init__(self, host):
+        super(Csv, self).__init__(host, 'csv', _(u'comma-separated values'))
+
+    def add_parser_options(self):
+        InputCommon.add_parser_options(self)
+        self.parser.add_argument("-r", "--row", type=int, default=0, help=_(u"starting row (previous ones will be ignored)"))
+        self.parser.add_argument("-S", "--split", action='append_const', const=('split', None), dest='arguments', help=_(u"split value in several options"))
+
+    def filter(self, arg_type, filter_type, filter_arg, value):
+        if filter_type == 'split':
+            return value.split()
+
+        super(Csv, self).filter(filter_type, filter_arg, value)
+
+    def start(self):
+        import csv
+        reader = csv.reader(sys.stdin)
+        for idx, row in enumerate(reader):
+            if idx < self.args.row:
+                continue
+            for value in row:
+                self.addValue(value.decode(self.args.encoding))
+            self.runCommand()
+
+
+class Input(base.CommandBase):
+    subcommands = (Csv,)
+
+    def __init__(self, host):
+        super(Input, self).__init__(host, 'input', use_profile=False, help=_(u'launch command with external input'))

--- a/frontends/src/jp/constants.py	Wed Jun 28 01:21:49 2017 +0200
+++ b/frontends/src/jp/constants.py	Wed Jun 28 01:28:41 2017 +0200
@@ -38,6 +38,8 @@
     # ANSI
     A_HEADER = A.BOLD + A.FG_YELLOW
     A_SUBHEADER = A.BOLD + A.FG_RED
+    A_SUCCESS = A.BOLD + A.FG_GREEN
+    A_FAILURE = A.BOLD + A.FG_RED
 
     # exit codes
     EXIT_OK = 0