def __init__(self, arg=None):
initialize()
if arg is None:
# Copied from VistrailsApplicationInterface#open_vistrail()
locator = UntitledLocator()
loaded_objs = vistrails.core.db.io.load_vistrail(locator)
self.controller = VistrailController(loaded_objs[0], locator,
*loaded_objs[1:])
elif isinstance(arg, (_Pipeline, Pipeline)):
if isinstance(arg, Pipeline):
pipeline = arg.pipeline
else:
pipeline = arg
# Copied from VistrailsApplicationInterface#open_workflow()
vistrail = _Vistrail()
ops = []
for module in pipeline.module_list:
ops.append(('add', module))
for connection in pipeline.connection_list:
ops.append(('add', connection))
action = vistrails.core.db.action.create_action(ops)
vistrail.add_action(action, 0L)
vistrail.update_id_scope()
vistrail.change_description("Imported pipeline", 0L)
self.controller = VistrailController(vistrail, UntitledLocator())
elif isinstance(arg, VistrailController):
self.controller = arg
elif isinstance(arg, basestring):
raise TypeError("Vistrail was constructed from %r.\n"
"Use load_vistrail() to get a Vistrail from a "
"file." % type(arg).__name__)
else:
raise TypeError("Vistrail was constructed from unexpected "
"argument type %r" % type(arg).__name__)
def open_workflow(self, locator):
if isinstance(locator, basestring):
locator = BaseLocator.from_url(locator)
new_locator = UntitledLocator()
controller = self.open_vistrail(new_locator)
try:
if locator is None:
return False
workflow = locator.load(Pipeline)
action_list = []
for module in workflow.module_list:
action_list.append(('add', module))
for connection in workflow.connection_list:
action_list.append(('add', connection))
action = vistrails.core.db.action.create_action(action_list)
controller.add_new_action(action)
controller.perform_action(action)
controller.vistrail.set_tag(action.id, "Imported workflow")
controller.change_selected_version(action.id)
except VistrailsDBException:
debug.critical("Exception from the database", debug.format_exc())
return None
controller.select_latest_version()
controller.set_changed(True)
return controller
def open_vistrail(self, locator=None, version=None, is_abstraction=False):
if isinstance(locator, basestring):
locator = BaseLocator.from_url(locator)
elif locator is None:
locator = UntitledLocator()
controller = self.ensure_vistrail(locator)
if controller is None:
# vistrail is not already open
try:
loaded_objs = vistrails.core.db.io.load_vistrail(
locator, is_abstraction)
controller = self.add_vistrail(loaded_objs[0], locator,
*loaded_objs[1:])
if locator.is_untitled():
return controller
controller.is_abstraction = is_abstraction
thumb_cache = ThumbnailCache.getInstance()
controller.vistrail.thumbnails = controller.find_thumbnails(
tags_only=thumb_cache.conf.tagsOnly)
controller.vistrail.abstractions = controller.find_abstractions(
controller.vistrail, True)
controller.vistrail.mashups = controller._mashups
collection = Collection.getInstance()
url = locator.to_url()
entity = collection.updateVistrail(url, controller.vistrail)
# add to relevant workspace categories
if not controller.is_abstraction:
collection.add_to_workspace(entity)
collection.commit()
except VistrailsDBException as e:
debug.unexpected_exception(e)
debug.critical("Exception from the database: %s" % e,
debug.format_exc())
return None
version = self.convert_version(version)
if version is None:
controller.select_latest_version()
version = controller.current_version
self.select_version(version)
return controller
def open_vistrail(self, locator=None, version=None, is_abstraction=False):
if isinstance(locator, basestring):
locator = BaseLocator.from_url(locator)
elif locator is None:
locator = UntitledLocator()
controller = self.ensure_vistrail(locator)
if controller is None:
# vistrail is not already open
try:
loaded_objs = vistrails.core.db.io.load_vistrail(locator, is_abstraction)
controller = self.add_vistrail(loaded_objs[0], locator,
*loaded_objs[1:])
if locator.is_untitled():
return controller
controller.is_abstraction = is_abstraction
thumb_cache = ThumbnailCache.getInstance()
controller.vistrail.thumbnails = controller.find_thumbnails(
tags_only=thumb_cache.conf.tagsOnly)
controller.vistrail.abstractions = controller.find_abstractions(
controller.vistrail, True)
controller.vistrail.mashups = controller._mashups
collection = Collection.getInstance()
url = locator.to_url()
entity = collection.updateVistrail(url, controller.vistrail)
# add to relevant workspace categories
if not controller.is_abstraction:
collection.add_to_workspace(entity)
collection.commit()
except VistrailsDBException as e:
debug.unexpected_exception(e)
debug.critical("Exception from the database: %s" % e,
debug.format_exc())
return None
version = self.convert_version(version)
if version is None:
controller.select_latest_version()
version = controller.current_version
self.select_version(version)
return controller
def open_vistrail(self, locator=None, version=None, is_abstraction=False):
if isinstance(locator, basestring):
locator = BaseLocator.from_url(locator)
elif locator is None:
locator = UntitledLocator()
controller = self.ensure_vistrail(locator)
if controller is None:
# vistrail is not already open
try:
loaded_objs = vistrails.core.db.io.load_vistrail(locator, False)
controller = self.add_vistrail(loaded_objs[0], locator,
*loaded_objs[1:])
if locator.is_untitled():
return True
controller.is_abstraction = is_abstraction
thumb_cache = ThumbnailCache.getInstance()
controller.vistrail.thumbnails = controller.find_thumbnails(
tags_only=thumb_cache.conf.tagsOnly)
controller.vistrail.abstractions = controller.find_abstractions(
controller.vistrail, True)
controller.vistrail.mashups = controller._mashups
collection = Collection.getInstance()
url = locator.to_url()
entity = collection.updateVistrail(url, controller.vistrail)
# add to relevant workspace categories
if not controller.is_abstraction:
collection.add_to_workspace(entity)
collection.commit()
except VistrailsDBException, e:
import traceback
debug.critical("Exception from the database",
traceback.format_exc())
return None
except Exception, e:
#debug.critical('An error has occurred', e)
#print "An error has occurred", str(e)
raise