def runApp(args):
"""Create and run the qt application."""
GD.app = QtGui.QApplication(args)
QtCore.QObject.connect(GD.app,QtCore.SIGNAL("lastWindowClosed()"),GD.app,QtCore.SLOT("quit()"))
QtCore.QObject.connect(GD.app,QtCore.SIGNAL("aboutToQuit()"),quit)
# Set some globals
GD.image_formats_qt = map(str,QtGui.QImageWriter.supportedImageFormats())
GD.image_formats_qtr = map(str,QtGui.QImageReader.supportedImageFormats())
if GD.cfg.get('imagesfromeps',False):
GD.image_formats_qt = []
if GD.options.debug:
print "Qt image types for saving: ",GD.image_formats_qt
print "Qt image types for input: ",GD.image_formats_qtr
print "gl2ps image types:",GD.image_formats_gl2ps
print "image types converted from EPS:",GD.image_formats_fromeps
# Load the splash image
splash = None
if os.path.exists(GD.cfg['gui/splash']):
GD.debug('Loading splash %s' % GD.cfg['gui/splash'])
splashimage = QtGui.QPixmap(GD.cfg['gui/splash'])
splash = QtGui.QSplashScreen(splashimage)
splash.setWindowFlags(QtCore.Qt.WindowStaysOnTopHint)
splash.setFont(QtGui.QFont("Helvetica",24))
splash.showMessage(GD.Version,QtCore.Qt.AlignHCenter,QtCore.Qt.red)
splash.show()
# create GUI, show it, run it
viewport.setOpenGLFormat()
dri = viewport.opengl_format.directRendering()
windowname = GD.Version
count = 0
while windowExists(windowname):
if count > 255:
print "Can not open the main window --- bailing out"
return 1
count += 1
windowname = '%s (%s)' % (GD.Version,count)
if count > 0:
warning = """
Another instance of pyFormex is already running
on this screen. This may be a leftover from a
previously crashed program. In that case you should
bail out now and first kill the crashed program.
On the other hand, if you really want to run another
pyFormex in parallel, you can just continue now.
"""
actions = ['Really Continue','Bail out and fix the problem']
if dri:
answer = draw.ask(warning,actions)
if not dri:
warning += """
I have detected that the Direct Rendering Infrastructure
is not activated on your system. Continuing with a second
instance of pyFormex may crash you XWindow system.
You should seriously consider to bail out now!!!
"""
answer = draw.warning(warning,actions)
if answer != 'Really Continue':
return 1
GD.gui = GUI(windowname,
GD.cfg.get('gui/size',(800,600)),
GD.cfg.get('gui/pos',(0,0)),
GD.cfg.get('gui/bdsize',(800,600))
)
# set the appearence
GD.gui.setStyle(GD.cfg.get('gui/style','Plastique'))
font = GD.cfg.get('gui/font',None)
if font:
GD.gui.setFont(font)
else:
fontfamily = GD.cfg.get('gui/fontfamily',None)
if fontfamily:
GD.gui.setFontFamily(fontfamily)
fontsize = GD.cfg.get('gui/fontsize',None)
if fontsize:
GD.gui.setFontSize(fontsize)
GD.gui.viewports.changeLayout(1)
GD.gui.viewports.setCurrent(0)
GD.board = GD.gui.board
GD.board.write("""%s (C) B. Verhegghe
pyFormex comes with ABSOLUTELY NO WARRANTY. This is free software,
and you are welcome to redistribute it under certain conditions.
See Help->License or the file COPYING for details.
""" % GD.Version)
GD.gui.show()
GD.debug("Using window name %s" % GD.gui.windowTitle())
# Create additional menus (put them in a list to save)
# History Menu
history = GD.cfg.get('history',None)
if type(history) == list:
GD.gui.history = scriptsMenu.ScriptsMenu('History',files=history,max=20)
if GD.cfg.get('gui/history_in_main_menu',False):
before = GD.gui.menu.item('help').menuAction()
GD.gui.menu.insertMenu(before,GD.gui.history)
else:
filemenu = GD.gui.menu.item('file')
before = filemenu.item('---1')
filemenu.insertMenu(before,GD.gui.history)
# Create a menu with pyFormex examples
# and insert it before the help menu
menus = []
scriptdirs = GD.cfg['scriptdirs']
knownscriptdirs = { 'examples': GD.cfg['examplesdir'] }
if GD.cfg.get('gui/separate_script_dirs',False):
# This will create separate menus for all scriptdirs
pass
else:
# The default is to collect all scriptdirs in a single main menu
if len(scriptdirs) > 1:
scriptsmenu = widgets.Menu('Scripts',GD.gui.menu)
before = GD.gui.menu.item('help').menuAction()
GD.gui.menu.insertMenu(before,scriptsmenu)
before = None
else:
scriptsmenu = GD.gui.menu
before = scriptsmenu.itemAction('help')
for title,dirname in scriptdirs:
GD.debug("Loading script dir %s" % dirname)
if not dirname:
dirname = knownscriptdirs[title.lower()]
if os.path.exists(dirname):
m = scriptsMenu.ScriptsMenu(title,dirname,autoplay=True)
scriptsmenu.insert_menu(m,before)
menus.append(m) # Needed to keep m linked to a name,
# else the menu is destroyed!
# Set interaction functions
GD.message = draw.message
GD.warning = draw.warning
draw.reset()
# Load plugins, ignore if not found
import plugins
for p in GD.cfg.get('gui/plugins',[]):
try:
m = getattr(plugins,p)
if hasattr(m,'show_menu'):
m.show_menu()
except:
GD.debug('ERROR while loading plugin %s' % p)
GD.gui.setBusy(False)
GD.gui.update()
# remove the splash window
if splash is not None:
splash.finish(GD.gui)
# Add the autorun script to the remaining args
if GD.gui.easter_egg:
draw.playScript(utils.mergeme(*GD.gui.easter_egg))
ar = GD.cfg.get('autorun','')
if ar:
if type(ar) == str:
ar = [ar]
args = ar + args
# remaining args are interpreted as scripts
for arg in args:
if os.path.exists(arg):
draw.play(arg)
GD.gui.setBusy(False)
GD.gui.update()
if os.path.isdir(GD.cfg['workdir']):
# Make the workdir the current dir
os.chdir(GD.cfg['workdir'])
else:
# Save the current dir as workdir
GD.cfg['workdir'] = os.getcwd()
GD.app_started = True
GD.app.exec_()
# Cleanup
draw.drawrelease()
GD.gui.setBusy(False)
# store the history and main window size/pos
GD.cfg['history'] = GD.gui.history.files
# Sometimes, a negative value is stored, making restart partially obscured
x,y = Pos(GD.gui)
if x < 0:
x = 0
if y < 0:
y = 0
GD.cfg.update({'size':Size(GD.gui),
'pos':(x,y),
'bdsize':Size(GD.gui.board),
},name='gui')
return 0
def playScript(scr,name=None,filename=None,argv=[],pye=False):
"""Play a pyformex script scr. scr should be a valid Python text.
There is a lock to prevent multiple scripts from being executed at the
same time. This implies that pyFormex scripts can currently not be
recurrent.
If a name is specified, set the global variable pyformex.scriptName to it
when the script is started.
If a filename is specified, set the global variable __file__ to it.
If step==True, an indefinite pause will be started after each line of
the script that starts with 'draw'. Also (in this case), each line
(including comments) is echoed to the message board.
"""
from geometry import Geometry
global exitrequested
# (We only allow one script executing at a time!)
# and scripts are non-reentrant
global scriptThread
if scriptThread is not None and scriptThread.isAlive():
pf.message("Not executing this script because another one is already running")
return
if len(scriptlock) > 0:
pf.message("!!Not executing because a script lock has been set: %s" % scriptlock)
return
scriptLock('__auto__')
exitrequested = False
if pf.GUI:
global stepmode,exportNames,starttime
#pf.debug('GUI SCRIPT MODE %s'% (stepmode))
pf.GUI.drawlock.allow()
pf.canvas.update()
pf.GUI.actions['Play'].setEnabled(False)
pf.GUI.actions['Continue'].setEnabled(True)
pf.GUI.actions['Stop'].setEnabled(True)
pf.app.processEvents()
# Get the globals
g = Globals()
if pf.GUI:
modname = 'draw'
# by default, we run the script in the current GUI viewport
pf.canvas = pf.GUI.viewports.current
else:
modname = 'script'
g.update({'__name__':modname})
if filename:
g.update({'__file__':filename})
g.update({'argv':argv})
# Make this directory available
pf._PF_ = g
# Now we can execute the script using these collected globals
exportNames = []
pf.scriptName = name
exitall = False
starttime = time.clock()
pf.debug('STARTING SCRIPT (%s)' % starttime)
#pf.debug(scr)
#pf.debug(pye)
try:
try:
if pf.GUI and stepmode:
#pf.debug("STEPPING THROUGH SCRIPT")
step_script(scr,g,True)
else:
if pye:
if type(scr) is file:
scr = scr.read() + '\n'
n = len(scr) // 2
scr = utils.mergeme(scr[:n],scr[n:])
if pf.options.executor:
scriptThread = threading.Thread(None,executeScript,'script-0',(scr,g))
scriptThread.daemon = True
print "OK, STARTING THREAD"
scriptThread.start()
print "OK, STARTED THREAD"
else:
exec scr in g
except _Exit:
print "EXIT FROM SCRIPT"
pass
except _ExitAll:
exitall = True
except:
raise
finally:
# honour the exit function
if g.has_key('atExit'):
atExit = g['atExit']
try:
atExit()
except:
pf.debug('Error while calling script exit function')
if pf.cfg['autoglobals']:
exportNames.extend(listAll(clas=Geometry,dic=g))
pf.PF.update([(k,g[k]) for k in exportNames])
scriptRelease('__auto__') # release the lock
elapsed = time.clock() - starttime
pf.debug('SCRIPT RUNTIME : %s seconds' % elapsed)
if pf.GUI:
stepmode = False
pf.GUI.drawlock.release() # release the lock
pf.GUI.actions['Play'].setEnabled(True)
#pf.GUI.actions['Step'].setEnabled(False)
pf.GUI.actions['Continue'].setEnabled(False)
pf.GUI.actions['Stop'].setEnabled(False)
if exitall:
pf.debug("Calling quit() from playscript")
quit()
def playScript(scr,name=None,filename=None,argv=[],pye=False):
"""Play a pyformex script scr. scr should be a valid Python text.
There is a lock to prevent multiple scripts from being executed at the
same time. This implies that pyFormex scripts can currently not be
recurrent.
If a name is specified, set the global variable pyformex.scriptName to it
when the script is started.
If a filename is specified, set the global variable __file__ to it.
If step==True, an indefinite pause will be started after each line of
the script that starts with 'draw'. Also (in this case), each line
(including comments) is echoed to the message board.
"""
global scriptDisabled,scriptRunning,exitrcrequested
#pyformex.debug('SCRIPT MODE %s,%s,%s'% (scriptDisabled,scriptRunning,exitrequested))
# (We only allow one script executing at a time!)
# and scripts are non-reentrant
if scriptRunning or scriptDisabled :
pyformex.message("Not executing this script because another one is already running")
return
scriptRunning = True
exitrequested = False
if pyformex.GUI:
global stepmode,exportNames,starttime
#pyformex.debug('GUI SCRIPT MODE %s'% (stepmode))
pyformex.GUI.drawlock.allow()
pyformex.canvas.update()
pyformex.GUI.actions['Play'].setEnabled(False)
pyformex.GUI.actions['Continue'].setEnabled(True)
pyformex.GUI.actions['Stop'].setEnabled(True)
pyformex.app.processEvents()
# Get the globals
g = Globals()
if pyformex.GUI:
modname = 'draw'
else:
modname = 'script'
g.update({'__name__':modname})
if filename:
g.update({'__file__':filename})
g.update({'argv':argv})
# Make this directory available
pyformex._PF_ = g
# Now we can execute the script using these collected globals
exportNames = []
pyformex.scriptName = name
exitall = False
starttime = time.clock()
pyformex.debug('STARTING SCRIPT (%s)' % starttime)
#pyformex.debug(scr)
#pyformex.debug(pye)
try:
try:
if pyformex.GUI and stepmode:
#pyformex.debug("STEPPING THROUGH SCRIPT")
step_script(scr,g,True)
else:
if pyformex.options.executor:
import sys
print(name,filename)
n = os.path.split(name)
m = os.path.basename(name)
m = os.path.basename(name)
print(n)
o = os.path.split(n[0])
print(o)
sys.path.insert(0,n[0])
print(sys.path)
print(m)
s = m.replace('.py','')
print(s)
__import__(s,g)
else:
if pye:
if type(scr) is file:
scr = scr.read() + '\n'
n = len(scr) // 2
scr = utils.mergeme(scr[:n],scr[n:])
exec scr in g
except _Exit:
pass
except _ExitAll:
exitall = True
except:
raise
finally:
# honour the exit function
if g.has_key('atExit'):
atExit = g['atExit']
try:
atExit()
except:
GD.debug('Error while calling script exit function')
if pyformex.cfg['autoglobals']:
exportNames.extend(listAll(clas=formex.Formex,dic=g))
pyformex.PF.update([(k,g[k]) for k in exportNames])
scriptRunning = False # release the lock in case of an error
elapsed = time.clock() - starttime
pyformex.debug('SCRIPT RUNTIME : %s seconds' % elapsed)
if pyformex.GUI:
stepmode = False
pyformex.GUI.drawlock.release() # release the lock
pyformex.GUI.actions['Play'].setEnabled(True)
#pyformex.GUI.actions['Step'].setEnabled(False)
pyformex.GUI.actions['Continue'].setEnabled(False)
pyformex.GUI.actions['Stop'].setEnabled(False)
if exitall:
pyformex.debug("Calling exit() from playscript")
exit()
def runApp(args):
"""Create and run the qt application."""
#
# FIX FOR A BUG IN NUMPY (It's always sane anyway)
#
import locale
GD.debug("LC_NUMERIC = %s" % locale.setlocale(locale.LC_NUMERIC))
#
GD.app = QtGui.QApplication(args)
#
GD.debug("LC_NUMERIC = %s" % locale.setlocale(locale.LC_NUMERIC))
locale.setlocale(locale.LC_NUMERIC, 'C')
GD.debug("LC_NUMERIC = %s" % locale.setlocale(locale.LC_NUMERIC))
#
#
#
QtCore.QObject.connect(GD.app,QtCore.SIGNAL("lastWindowClosed()"),GD.app,QtCore.SLOT("quit()"))
QtCore.QObject.connect(GD.app,QtCore.SIGNAL("aboutToQuit()"),quit)
# Load the splash image
splash = None
if os.path.exists(GD.cfg['gui/splash']):
GD.debug('Loading splash %s' % GD.cfg['gui/splash'])
splashimage = QtGui.QPixmap(GD.cfg['gui/splash'])
splash = QtGui.QSplashScreen(splashimage)
splash.setWindowFlags(QtCore.Qt.WindowStaysOnTopHint)
splash.setFont(QtGui.QFont("Helvetica",24))
splash.showMessage(GD.Version,QtCore.Qt.AlignHCenter,QtCore.Qt.red)
splash.show()
# create GUI, show it, run it
viewport.setOpenGLFormat()
dri = viewport.opengl_format.directRendering()
windowname = GD.Version
count = 0
while windowExists(windowname):
if count > 255:
print "Can not open the main window --- bailing out"
return 1
count += 1
windowname = '%s (%s)' % (GD.Version,count)
if count > 0:
warning = """
Another instance of pyFormex is already running
on this screen. This may be a leftover from a
previously crashed program. In that case you should
bail out now and first kill the crashed program.
On the other hand, if you really want to run another
pyFormex in parallel, you can just continue now.
"""
actions = ['Really Continue','Bail out and fix the problem']
if dri:
answer = draw.ask(warning,actions)
if not dri:
warning += """
I have detected that the Direct Rendering Infrastructure
is not activated on your system. Continuing with a second
instance of pyFormex may crash you XWindow system.
You should seriously consider to bail out now!!!
"""
answer = draw.warning(warning,actions)
if answer != 'Really Continue':
return 1
GD.gui = GUI(windowname,
GD.cfg.get('gui/size',(800,600)),
GD.cfg.get('gui/pos',(0,0)),
GD.cfg.get('gui/bdsize',(800,600))
)
# set the appearence
GD.gui.setStyle(GD.cfg.get('gui/style','Plastique'))
font = GD.cfg.get('gui/font',None)
if font:
GD.gui.setFont(font)
else:
fontfamily = GD.cfg.get('gui/fontfamily',None)
if fontfamily:
GD.gui.setFontFamily(fontfamily)
fontsize = GD.cfg.get('gui/fontsize',None)
if fontsize:
GD.gui.setFontSize(fontsize)
GD.gui.viewports.changeLayout(1)
GD.gui.viewports.setCurrent(0)
GD.board = GD.gui.board
GD.board.write("""%s (C) Benedict Verhegghe
pyFormex comes with ABSOLUTELY NO WARRANTY. This is free software,
and you are welcome to redistribute it under the conditions of the
GNU General Public License, version 3 or later.
See Help->License or the file COPYING for details.
""" % GD.Version)
GD.gui.show()
GD.debug("Using window name %s" % GD.gui.windowTitle())
# Create additional menus (put them in a list to save)
# History Menu
history = GD.cfg.get('history',None)
if type(history) == list:
GD.gui.history = scriptsMenu.ScriptsMenu('History',files=history,max=20)
if GD.cfg.get('gui/history_in_main_menu',False):
before = GD.gui.menu.item('help').menuAction()
GD.gui.menu.insertMenu(before,GD.gui.history)
else:
filemenu = GD.gui.menu.item('file')
before = filemenu.item('---1')
filemenu.insertMenu(before,GD.gui.history)
# Script menu
scriptmenu = createScriptMenu()
# Set interaction functions
GD.message = draw.message
GD.warning = draw.warning
draw.reset()
# Load plugins, ignore if not found
import plugins
for p in GD.cfg.get('gui/plugins',[]):
try:
m = getattr(plugins,p)
if hasattr(m,'show_menu'):
m.show_menu()
except:
GD.debug('ERROR while loading plugin %s' % p)
GD.gui.setBusy(False)
GD.gui.update()
GD.gui.addStatusBarButtons()
# remove the splash window
if splash is not None:
splash.finish(GD.gui)
GD.gui.setBusy(False)
GD.gui.update()
if os.path.isdir(GD.cfg['workdir']):
# Make the workdir the current dir
os.chdir(GD.cfg['workdir'])
else:
# Save the current dir as workdir
GD.cfg['workdir'] = os.getcwd()
GD.app_started = True
if GD.gui.easter_egg:
draw.playScript(utils.mergeme(*GD.gui.easter_egg))
# remaining args are interpreted as scripts and their parameters
script.runApp(args)
# Go into interactive mode
GD.debug("Start main loop")
GD.app.exec_()
GD.debug("Exit main loop")
return 0
def playScript(scr, name=None, filename=None, argv=[], pye=False):
"""Play a pyformex script scr. scr should be a valid Python text.
There is a lock to prevent multiple scripts from being executed at the
same time. This implies that pyFormex scripts can currently not be
recurrent.
If a name is specified, set the global variable pyformex.scriptName to it
when the script is started.
If a filename is specified, set the global variable __file__ to it.
"""
utils.warn('print_function')
global exportNames, starttime
global exitrequested
# (We only allow one script executing at a time!)
# and scripts are non-reentrant
global scriptThread
if scriptThread is not None and scriptThread.isAlive():
pf.message(
"Not executing this script because another one is already running")
return
if len(pf.scriptlock) > 0:
pf.message("!!Not executing because a script lock has been set: %s" %
pf.scriptlock)
#print(pf.scriptlock)
return
scriptLock('__auto__')
exitrequested = False
if pf.GUI:
pf.GUI.startRun()
# Get the globals
g = Globals()
if pf.GUI:
modname = 'draw'
else:
modname = 'script'
g.update({'__name__': modname})
if filename:
g.update({'__file__': filename})
g.update({'argv': argv})
# Now we can execute the script using these collected globals
exportNames = []
pf.scriptName = name
exitall = False
memu = memUsed()
vmsiz = vmSize()
pf.debug("MemUsed = %s; vmSize = %s" % (memu, vmsiz), pf.DEBUG.MEM)
#starttime = time.clock()
try:
try:
if pye:
if type(scr) is file:
scr = scr.read() + '\n'
n = (len(scr) + 1) // 2
scr = utils.mergeme(scr[:n], scr[n:])
exec scr in g
except _Exit:
#print "EXIT FROM SCRIPT"
pass
except _ExitAll:
exitall = True
except:
raise
finally:
# honour the exit function
if 'atExit' in g:
atExit = g['atExit']
try:
atExit()
except:
pf.debug('Error while calling script exit function',
pf.DEBUG.SCRIPT)
if pf.cfg['autoglobals']:
exportNames.extend(listAll(clas=Geometry, dic=g))
pf.PF.update([(k, g[k]) for k in exportNames])
scriptRelease('__auto__') # release the lock
if pf.GUI:
pf.GUI.stopRun()
pf.debug("MemUsed = %s; vmSize = %s" % (memUsed(), vmSize()), pf.DEBUG.MEM)
pf.debug(
"Diff MemUsed = %s; diff vmSize = %s" %
(memUsed() - memu, vmSize() - vmsiz), pf.DEBUG.MEM)
if exitall:
pf.debug("Calling quit() from playscript", pf.DEBUG.SCRIPT)
quit()
def playScript(scr,name=None,filename=None,argv=[],pye=False):
"""Play a pyformex script scr. scr should be a valid Python text.
There is a lock to prevent multiple scripts from being executed at the
same time. This implies that pyFormex scripts can currently not be
recurrent.
If a name is specified, set the global variable pyformex.scriptName to it
when the script is started.
If a filename is specified, set the global variable __file__ to it.
"""
utils.warn('print_function')
global exportNames,starttime
global exitrequested
# (We only allow one script executing at a time!)
# and scripts are non-reentrant
global scriptThread
if scriptThread is not None and scriptThread.isAlive():
pf.message("Not executing this script because another one is already running")
return
if len(pf.scriptlock) > 0:
pf.message("!!Not executing because a script lock has been set: %s" % pf.scriptlock)
#print(pf.scriptlock)
return
scriptLock('__auto__')
exitrequested = False
if pf.GUI:
pf.GUI.startRun()
# Get the globals
g = Globals()
if pf.GUI:
modname = 'draw'
else:
modname = 'script'
g.update({'__name__':modname})
if filename:
g.update({'__file__':filename})
g.update({'argv':argv})
# Now we can execute the script using these collected globals
exportNames = []
pf.scriptName = name
exitall = False
memu = memUsed()
vmsiz = vmSize()
pf.debug("MemUsed = %s; vmSize = %s" % (memu,vmsiz),pf.DEBUG.MEM)
#starttime = time.clock()
try:
try:
if pye:
if type(scr) is file:
scr = scr.read() + '\n'
n = (len(scr)+1) // 2
scr = utils.mergeme(scr[:n],scr[n:])
exec scr in g
except _Exit:
#print "EXIT FROM SCRIPT"
pass
except _ExitAll:
exitall = True
except:
raise
finally:
# honour the exit function
if 'atExit' in g:
atExit = g['atExit']
try:
atExit()
except:
pf.debug('Error while calling script exit function',pf.DEBUG.SCRIPT)
if pf.cfg['autoglobals']:
exportNames.extend(listAll(clas=Geometry,dic=g))
pf.PF.update([(k,g[k]) for k in exportNames])
scriptRelease('__auto__') # release the lock
if pf.GUI:
pf.GUI.stopRun()
pf.debug("MemUsed = %s; vmSize = %s" % (memUsed(),vmSize()),pf.DEBUG.MEM)
pf.debug("Diff MemUsed = %s; diff vmSize = %s" % (memUsed()-memu,vmSize()-vmsiz),pf.DEBUG.MEM)
if exitall:
pf.debug("Calling quit() from playscript",pf.DEBUG.SCRIPT)
quit()
