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mypaint.py
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mypaint.py
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# This file is part of MyPaint.
# Copyright (C) 2007-2009 by Martin Renold <martinxyz@gmx.ch>
#
# 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 script does all the platform dependent stuff. Its main task is
to figure out where the python modules are.
"""
import sys, os
def win32_unicode_argv():
# fix for https://gna.org/bugs/?17739
# code mostly comes from http://code.activestate.com/recipes/572200/
"""Uses shell32.GetCommandLineArgvW to get sys.argv as a list of Unicode
strings.
Versions 2.x of Python don't support Unicode in sys.argv on
Windows, with the underlying Windows API instead replacing multi-byte
characters with '?'.
"""
try:
from ctypes import POINTER, byref, cdll, c_int, windll
from ctypes.wintypes import LPCWSTR, LPWSTR
GetCommandLineW = cdll.kernel32.GetCommandLineW
GetCommandLineW.argtypes = []
GetCommandLineW.restype = LPCWSTR
CommandLineToArgvW = windll.shell32.CommandLineToArgvW
CommandLineToArgvW.argtypes = [LPCWSTR, POINTER(c_int)]
CommandLineToArgvW.restype = POINTER(LPWSTR)
cmd = GetCommandLineW()
argc = c_int(0)
argv = CommandLineToArgvW(cmd, byref(argc))
if argc.value > 0:
# Remove Python executable if present
if argc.value - len(sys.argv) == 1:
start = 1
else:
start = 0
return [argv[i] for i in xrange(start, argc.value)]
except Exception:
return [s.decode(sys.getfilesystemencoding()) for s in args]
def get_paths():
join = os.path.join
# Convert sys.argv to a list of unicode objects
# (actually converting sys.argv confuses gtk, thus we add a new variable)
if sys.platform == 'win32':
sys.argv_unicode = win32_unicode_argv()
else:
sys.argv_unicode = [s.decode(sys.getfilesystemencoding())
for s in sys.argv]
# Script and its location, in canonical absolute form
scriptfile = os.path.abspath(os.path.normpath(sys.argv_unicode[0]))
scriptdir = os.path.dirname(scriptfile)
assert isinstance(scriptfile, unicode)
assert isinstance(scriptdir, unicode)
# Determine $prefix
dir_install = scriptdir
if os.path.basename(dir_install) == 'bin':
# This is a normal POSIX installation.
prefix = os.path.dirname(dir_install)
assert isinstance(prefix, unicode)
libpath = join(prefix, 'share', 'mypaint')
libpath_compiled = join(prefix, 'lib', 'mypaint') # or lib64?
sys.path.insert(0, libpath)
sys.path.insert(0, libpath_compiled)
localepath = join(prefix, 'share', 'locale')
localepath_brushlib = localepath
extradata = join(prefix, 'share')
elif sys.platform == 'win32':
prefix=None
# this is py2exe point of view, all executables in root of installdir
libpath = os.path.realpath(scriptdir)
sys.path.insert(0, libpath)
localepath = join(libpath, 'share', 'locale')
localepath_brushlib = localepath
extradata = join(libpath, 'share')
else:
# Not installed: run out of the source tree.
prefix = None
libpath = u'.'
extradata = u'desktop'
localepath = 'po'
localepath_brushlib = 'brushlib/po'
assert isinstance(libpath, unicode)
try: # just for a nice error message
from lib import mypaintlib
except ImportError:
print
print "We are not correctly installed or compiled!"
print 'script: "%s"' % sys.argv[0]
if prefix:
print 'deduced prefix: "%s"' % prefix
print 'lib_shared: "%s"' % libpath
print 'lib_compiled: "%s"' % libpath_compiled
print
raise
# Ensure that pyGTK compatibility is setup before anything else
from gui import pygtkcompat
datapath = libpath
if not os.path.isdir(join(datapath, 'brushes')):
print 'Default brush collection not found! It should have been here:'
print datapath
raise sys.exit(1)
# Old style config file and user data locations.
# Return None if using XDG will be correct.
if sys.platform == 'win32':
old_confpath = None
else:
from lib import helpers
homepath = helpers.expanduser_unicode(u'~')
old_confpath = join(homepath, '.mypaint/')
if old_confpath:
if not os.path.isdir(old_confpath):
old_confpath = None
else:
print "INFO: Found old-style configuration in %s." % old_confpath
print "INFO: This can be migrated to $XDG_CONFIG_HOME and " \
"$XDG_DATA_HOME if you wish."
print "INFO: See the XDG Base Directory Specification for info."
assert isinstance(old_confpath, unicode) or old_confpath is None
assert isinstance(datapath, unicode)
assert isinstance(extradata, unicode)
return datapath, extradata, old_confpath, localepath, localepath_brushlib
def psyco_opt():
# This helps on slow PCs where the python overhead dominates.
# (30% higher framerate measured on 533MHz CPU; startup slowdown below 20%)
# Note: python -O -O does not help.
try:
import psyco
if sys.platform == 'win32':
if psyco.hexversion >= 0x020000f0 :
psyco.full()
print 'Psyco being used'
else:
print "Need at least psyco 2.0 to run"
else:
psyco.full()
print 'Psyco being used'
except ImportError:
pass
if __name__ == '__main__':
psyco_opt()
datapath, extradata, old_confpath, localepath, localepath_brushlib \
= get_paths()
# Locale setting
# must be done before importing any translated python modules
# (to get global strings translated, especially brushsettings.py)
import gettext
import locale
if sys.platform == 'win32':
os.environ['LANG'] = locale.getdefaultlocale()[0]
# Internationalization voodoo
# https://bugzilla.gnome.org/show_bug.cgi?id=574520#c26
#locale.setlocale(locale.LC_ALL, '') #needed?
print "DEBUG: getlocale():", locale.getlocale()
print "DEBUG: localepath: ", localepath
print "DEBUG: localepath_brushlib: ", localepath_brushlib
# Low-level bindtextdomain, required for GtkBuilder stuff.
locale.bindtextdomain("mypaint", localepath)
locale.bindtextdomain("libmypaint", localepath_brushlib)
locale.textdomain("mypaint")
# Python gettext module.
# See http://docs.python.org/release/2.7/library/locale.html
gettext.bindtextdomain("mypaint", localepath)
gettext.bindtextdomain("libmypaint", localepath_brushlib)
gettext.textdomain("mypaint")
from gui import main
version = main.MYPAINT_VERSION
if version.endswith("+git"):
try:
version += _MYPAINT_BUILD_GIT_REVISION
except NameError:
pass
main.main(datapath, extradata, old_confpath, version)