1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
# 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
|
