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# -*- coding: utf-8 -*-
# Gedit External Tools plugin
# Copyright (C) 2005-2006 Steve Frécinaux <steve@istique.net>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
__all__ = ('Capture', )
import os, sys, signal
import locale
import subprocess
import gobject
class Capture(gobject.GObject):
CAPTURE_STDOUT = 0x01
CAPTURE_STDERR = 0x02
CAPTURE_BOTH = 0x03
__gsignals__ = {
'stdout-line' : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_STRING,)),
'stderr-line' : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_STRING,)),
'begin-execute': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, tuple()),
'end-execute' : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_INT,))
}
def __init__(self, command, cwd = None, env = {}):
gobject.GObject.__init__(self)
self.pipe = None
self.env = env
self.cwd = cwd
self.flags = self.CAPTURE_BOTH
self.command = command
self.input_text = None
def set_env(self, **values):
self.env.update(**values)
def set_command(self, command):
self.command = command
def set_flags(self, flags):
self.flags = flags
def set_input(self, text):
self.input_text = text
def set_cwd(self, cwd):
self.cwd = cwd
def execute(self):
if self.command is None:
return
# Initialize pipe
popen_args = {
'cwd' : self.cwd,
'shell': True,
'env' : self.env
}
if self.input_text is not None:
popen_args['stdin'] = subprocess.PIPE
if self.flags & self.CAPTURE_STDOUT:
popen_args['stdout'] = subprocess.PIPE
if self.flags & self.CAPTURE_STDERR:
popen_args['stderr'] = subprocess.PIPE
self.pipe = subprocess.Popen(self.command, **popen_args)
# Signal
self.emit('begin-execute')
# IO
if self.input_text is not None:
self.pipe.stdin.write(self.input_text)
self.pipe.stdin.close()
if self.flags & self.CAPTURE_STDOUT:
gobject.io_add_watch(self.pipe.stdout,
gobject.IO_IN | gobject.IO_HUP,
self.on_output)
if self.flags & self.CAPTURE_STDERR:
gobject.io_add_watch(self.pipe.stderr,
gobject.IO_IN | gobject.IO_HUP,
self.on_output)
# Wait for the process to complete
gobject.child_watch_add(self.pipe.pid, self.on_child_end)
def on_output(self, source, condition):
line = source.readline()
if len(line) > 0:
try:
line = unicode(line, 'utf-8')
except:
line = unicode(line,
locale.getdefaultlocale()[1],
'replace')
if source == self.pipe.stdout:
self.emit('stdout-line', line)
else:
self.emit('stderr-line', line)
return True
return False
def stop(self, error_code = -1):
if self.pipe is not None:
os.kill(self.pipe.pid, signal.SIGTERM)
self.pipe = None
def on_child_end(self, pid, error_code):
# In an idle, so it is emitted after all the std*-line signals
# have been intercepted
gobject.idle_add(self.emit, 'end-execute', error_code)
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