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# coding=utf-8
#
# Copyright (C) 2008 Stephen Silver
#
# 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 Street, Fifth Floor, Boston, MA 02110-1301, USA
#
"""
Deprecated module for running SVG-generating commands in Inkscape extensions
"""
import os
import sys
import tempfile
from subprocess import Popen, PIPE
from inkex.deprecated import deprecate
def run(command_format, prog_name):
"""inkex.commands.call(...)"""
svgfile = tempfile.mktemp(".svg")
command = command_format % svgfile
msg = None
# ps2pdf may attempt to write to the current directory, which may not
# be writeable, so we switch to the temp directory first.
try:
os.chdir(tempfile.gettempdir())
except IOError:
pass
try:
proc = Popen(command, shell=True, stdout=PIPE, stderr=PIPE)
return_code = proc.wait()
out = proc.stdout.read()
err = proc.stderr.read()
if msg is None:
if return_code:
msg = "{} failed:\n{}\n{}\n".format(prog_name, out, err)
elif err:
sys.stderr.write("{} executed but logged the following error:\n{}\n{}\n".format(prog_name, out, err))
except Exception as inst:
msg = "Error attempting to run {}: {}".format(prog_name, str(inst))
# If successful, copy the output file to stdout.
if msg is None:
if os.name == 'nt': # make stdout work in binary on Windows
import msvcrt
msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
try:
with open(svgfile, "rb") as fhl:
sys.stdout.write(fhl.read().decode(sys.stdout.encoding))
except IOError as inst:
msg = "Error reading temporary file: {}".format(str(inst))
try:
# Clean up.
os.remove(svgfile)
except (IOError, OSError):
pass
# Output error message (if any) and exit.
return msg
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