[perftests] clean things up a bit

[mypaint-anime/master.git] / mypaint.py

diff --git a/mypaint.py b/mypaint.py
new file mode 100644 (file)
index 0000000..69927a4
--- /dev/null
+++ b/mypaint.py
@@ -0,0 +1,84 @@
+# 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.
+"""
+
+def get_paths():
+    import sys, os
+    join = os.path.join
+
+    lib_shared='share/mypaint/'
+    # note: some distros use lib64 instead, they have to edit this...
+    lib_compiled='lib/mypaint/'
+
+    scriptdir=os.path.dirname(sys.argv[0])
+
+    # this script is installed as $prefix/bin. We just need $prefix to continue.
+    #pwd=os.getcwd() # why????
+    #dir_install=os.path.normpath(join(pwd,scriptdir)) # why????
+    dir_install=scriptdir # same, except maybe if scriptdir is relative...
+
+    if os.path.basename(dir_install) == 'bin':
+        prefix=os.path.dirname(dir_install)
+        libpath=join(prefix, lib_shared)
+        libpath_compiled = join(prefix, lib_compiled)
+        sys.path.insert(0, libpath)
+        sys.path.insert(0, libpath_compiled)
+    else:
+        # we are not installed
+        prefix=None
+        libpath='.'
+        # checking for import error below
+
+    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
+
+    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)
+
+    homepath =  os.path.expanduser('~')
+    if homepath == '~':
+        confpath = join(prefix, 'UserData')
+    else:
+        confpath = join(homepath, '.mypaint/')
+
+    return datapath, confpath
+
+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.
+    import psyco
+    psyco.full()
+    print 'Psyco being used'
+
+
+if __name__ == '__main__':
+    try:
+        psyco_opt()
+    except ImportError:
+        pass
+    datapath, confpath = get_paths()
+    from gui import main
+    main.main(datapath, confpath)