def error_handler(message=None, exc_info=None):
exc_type, exc_value, exc_traceback = exc_info or sys.exc_info()
if not exc_type:
return
if not message:
message = _('An error occured.')
buttons = gtk.BUTTONS_OK
message = '%s\n\nTechnical details:\n\t%s\n\t%s' % (message, exc_type,
exc_value)
if __debug__ and sys.stdin.isatty():
buttons = gtk.BUTTONS_YES_NO
message += _(
'\n\nDo you want to debug?\n(Gaphor should have been started from the command line)'
)
dialog = gtk.MessageDialog(
None, gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT,
gtk.MESSAGE_ERROR, buttons, message)
answer = dialog.run()
dialog.destroy()
if answer == gtk.RESPONSE_YES:
pdb.post_mortem(exc_traceback)
def error_handler(message=None, exc_info=None):
exc_type, exc_value, exc_traceback = exc_info or sys.exc_info()
if not exc_type:
return
if not message:
message = _("An error occurred.")
buttons = Gtk.ButtonsType.OK
message = "%s\n\nTechnical details:\n\t%s\n\t%s" % (message, exc_type, exc_value)
if __debug__ and sys.stdin.isatty():
buttons = Gtk.ButtonsType.YES_NO
message += _(
"\n\nDo you want to debug?\n(Gaphor should have been started from the command line)"
)
dialog = Gtk.MessageDialog(
None,
Gtk.DialogFlags.MODAL | Gtk.DialogFlags.DESTROY_WITH_PARENT,
Gtk.MessageType.ERROR,
buttons,
message,
)
answer = dialog.run()
dialog.destroy()
if answer == Gtk.ResponseType.YES:
pdb.post_mortem(exc_traceback)
def error_handler(message=None, exc_info=None):
exc_type, exc_value, exc_traceback = exc_info or sys.exc_info()
if not exc_type:
return
if not message:
message = _('An error occured.')
buttons = gtk.BUTTONS_OK
message = '%s\n\nTechnical details:\n\t%s\n\t%s' % (message, exc_type, exc_value)
if __debug__ and sys.stdin.isatty():
buttons = gtk.BUTTONS_YES_NO
message += _('\n\nDo you want to debug?\n(Gaphor should have been started from the command line)')
dialog = gtk.MessageDialog(None,
gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT,
gtk.MESSAGE_ERROR,
buttons, message)
answer = dialog.run()
dialog.destroy()
if answer == gtk.RESPONSE_YES:
pdb.post_mortem(exc_traceback)
def load_elements_generator(elements, factory, gaphor_version=None):
"""
Load a file and create a model if possible.
Exceptions: IOError, ValueError.
"""
# TODO: restructure loading code, first load model, then add canvas items
log.debug(_("Loading %d elements...") % len(elements))
# The elements are iterated three times:
size = len(elements) * 3
def update_status_queue(_n=[0]):
n = _n[0] = _n[0] + 1
if n % 30 == 0:
return (n * 100) / size
# First create elements and canvas items in the factory
# The elements are stored as attribute 'element' on the parser objects:
def create_canvasitems(canvas, canvasitems, parent=None):
"""
Canvas is a read gaphas.Canvas, items is a list of parser.canvasitem's
"""
for item in canvasitems:
cls = getattr(items, item.type)
item.element = diagram.create_as(cls, item.id)
canvas.add(item.element, parent=parent)
assert canvas.get_parent(item.element) is parent
create_canvasitems(canvas, item.canvasitems, parent=item.element)
for id, elem in list(elements.items()):
st = update_status_queue()
if st:
yield st
if isinstance(elem, parser.element):
cls = getattr(UML, elem.type)
# log.debug('Creating UML element for %s (%s)' % (elem, elem.id))
elem.element = factory.create_as(cls, id)
if elem.canvas is not None:
elem.element.canvas.block_updates = True
create_canvasitems(elem.element.canvas, elem.canvas.canvasitems)
elif not isinstance(elem, parser.canvasitem):
raise ValueError(
'Item with id "%s" and type %s can not be instantiated'
% (id, type(elem))
)
# load attributes and create references:
for id, elem in list(elements.items()):
st = update_status_queue()
if st:
yield st
# Ensure that all elements have their element instance ready...
assert hasattr(elem, "element")
# load attributes and references:
for name, value in list(elem.values.items()):
try:
elem.element.load(name, value)
except:
log.error(
"Loading value %s (%s) for element %s failed."
% (name, value, elem.element)
)
raise
for name, refids in list(elem.references.items()):
if isinstance(refids, list):
for refid in refids:
try:
ref = elements[refid]
except:
raise ValueError(
"Invalid ID for reference (%s) for element %s.%s"
% (refid, elem.type, name)
)
else:
try:
elem.element.load(name, ref.element)
except:
log.error(
"Loading %s.%s with value %s failed"
% (type(elem.element).__name__, name, ref.element.id)
)
raise
else:
try:
ref = elements[refids]
except:
raise ValueError("Invalid ID for reference (%s)" % refids)
else:
try:
elem.element.load(name, ref.element)
except:
log.error(
"Loading %s.%s with value %s failed"
% (type(elem.element).__name__, name, ref.element.id)
)
raise
# Before version 0.7.2 there was only decision node (no merge nodes).
# This node could have many incoming and outgoing flows (edges).
# According to UML specification decision node has no more than one
# incoming node.
#
# Now, we have implemented merge node, which can have many incoming
# flows. We also support combining of decision and merge nodes as
# described in UML specification.
#
# Data model, loaded from file, is updated automatically, so there is
# no need for special function.
for d in factory.select(lambda e: isinstance(e, UML.Diagram)):
# update_now() is implicitly called when lock is released
d.canvas.block_updates = False
# do a postload:
for id, elem in list(elements.items()):
st = update_status_queue()
if st:
yield st
elem.element.postload()
def load_elements_generator(elements, factory, gaphor_version=None):
"""
Load a file and create a model if possible.
Exceptions: IOError, ValueError.
"""
# TODO: restructure loading code, first load model, then add canvas items
log.debug(_('Loading %d elements...') % len(elements))
# The elements are iterated three times:
size = len(elements) * 3
def update_status_queue(_n=[0]):
n = _n[0] = _n[0] + 1
if n % 30 == 0:
return (n * 100) / size
#log.info('0%')
# Fix version inconsistencies
version_0_6_2(elements, factory, gaphor_version)
version_0_7_2(elements, factory, gaphor_version)
version_0_9_0(elements, factory, gaphor_version)
version_0_14_0(elements, factory, gaphor_version)
version_0_15_0_pre(elements, factory, gaphor_version)
#log.debug("Still have %d elements" % len(elements))
# First create elements and canvas items in the factory
# The elements are stored as attribute 'element' on the parser objects:
def create_canvasitems(canvas, canvasitems, parent=None):
"""
Canvas is a read gaphas.Canvas, items is a list of parser.canvasitem's
"""
for item in canvasitems:
cls = getattr(items, item.type)
item.element = diagram.create_as(cls, item.id)
canvas.add(item.element, parent=parent)
assert canvas.get_parent(item.element) is parent
create_canvasitems(canvas, item.canvasitems, parent=item.element)
for id, elem in elements.items():
st = update_status_queue()
if st: yield st
if isinstance(elem, parser.element):
cls = getattr(UML, elem.type)
#log.debug('Creating UML element for %s (%s)' % (elem, elem.id))
elem.element = factory.create_as(cls, id)
if elem.canvas:
elem.element.canvas.block_updates = True
create_canvasitems(elem.element.canvas, elem.canvas.canvasitems)
elif not isinstance(elem, parser.canvasitem):
raise ValueError, 'Item with id "%s" and type %s can not be instantiated' % (id, type(elem))
# load attributes and create references:
for id, elem in elements.items():
st = update_status_queue()
if st: yield st
# Ensure that all elements have their element instance ready...
assert hasattr(elem, 'element')
# load attributes and references:
for name, value in elem.values.items():
try:
elem.element.load(name, value)
except:
log.error('Loading value %s (%s) for element %s failed.' % (name, value, elem.element))
raise
for name, refids in elem.references.items():
if type(refids) == type([]):
for refid in refids:
try:
ref = elements[refid]
except:
raise ValueError, 'Invalid ID for reference (%s) for element %s.%s' % (refid, elem.type, name)
else:
try:
elem.element.load(name, ref.element)
except:
log.error('Loading %s.%s with value %s failed' % (type(elem.element).__name__, name, ref.element.id))
raise
else:
try:
ref = elements[refids]
except:
raise ValueError, 'Invalid ID for reference (%s)' % refids
else:
try:
elem.element.load(name, ref.element)
except:
log.error('Loading %s.%s with value %s failed' % (type(elem.element).__name__, name, ref.element.id))
raise
# Fix version inconsistencies
version_0_5_2(elements, factory, gaphor_version)
version_0_7_1(elements, factory, gaphor_version)
version_0_15_0_post(elements, factory, gaphor_version)
# Before version 0.7.2 there was only decision node (no merge nodes).
# This node could have many incoming and outgoing flows (edges).
# According to UML specification decision node has no more than one
# incoming node.
#
# Now, we have implemented merge node, which can have many incoming
# flows. We also support combining of decision and merge nodes as
# described in UML specification.
#
# Data model, loaded from file, is updated automatically, so there is
# no need for special function.
for d in factory.select(lambda e: isinstance(e, UML.Diagram)):
# update_now() is implicitly called when lock is released
d.canvas.block_updates = False
# do a postload:
for id, elem in elements.items():
st = update_status_queue()
if st: yield st
elem.element.postload()
factory.notify_model()