def test_recursion_factory(self): """ Test Recursion detection""" pm = self.pm #pm.init() pkg = Package("compositenode", {}) sgfactory1 = CompositeNodeFactory("graph1") sgfactory2 = CompositeNodeFactory("graph2") map(pkg.add_factory, (sgfactory1, sgfactory2)) assert len(pkg.get_names()) == 2 pm.add_package(pkg) n1 = sgfactory1.instantiate() n2 = sgfactory1.instantiate() # build the compositenode factory n1.add_node(n2) n2.add_node(n1) n1.to_factory(sgfactory1) n2.to_factory(sgfactory2) #sgfactory1.add_nodefactory ( ("compositenode", "graph2")) #sgfactory2.add_nodefactory ( ("compositenode", "graph1")) try: sg = sgfactory1.instantiate() assert False except RecursionError: assert True
def test_addnode(): """Test node addition""" pm = PackageManager() pm.init() sg = CompositeNode() # build the compositenode factory val1id = sg.add_node(pm.get_node("Catalog.Data", "float")) val2id = sg.add_node(pm.get_node("Catalog.Data", "float")) sg.connect(val1id, 0, val2id, 0) sgfactory = CompositeNodeFactory("testaddnode") sg.to_factory(sgfactory) # allocate the compositenode sg = sgfactory.instantiate() sg.node(val1id).set_input(0, 2.) sg() assert sg.node(val2id).get_output(0)==2. # Add a new node addid = sg.add_node(pm.get_node("Catalog.Math", "+")) sg.connect(val1id, 0, addid, 0) sg.connect(val2id, 0, addid, 1) sg.to_factory(sgfactory) sg = sgfactory.instantiate() sg.node(val1id).set_input(0, 3.) sg() assert sg.node(addid).get_output(0)==6.
def test_addnode(self): """Test node addition""" sg = CompositeNode() # build the compositenode factory val1id = sg.add_node(self.float_node) val2id = sg.add_node(self.float_node) sg.connect(val1id, 0, val2id, 0) sgfactory = CompositeNodeFactory("testaddnode") sg.to_factory(sgfactory) # allocate the compositenode sg = sgfactory.instantiate() sg.node(val1id).set_input(0, 2.) sg() assert sg.node(val2id).get_output(0)==2. # Add a new node addid = sg.add_node(self.plus_node) sg.connect(val1id, 0, addid, 0) sg.connect(val2id, 0, addid, 1) sg.to_factory(sgfactory) sg = sgfactory.instantiate() sg.node(val1id).set_input(0, 3.) sg() assert sg.node(addid).get_output(0)==6.
def test_addnode(): """Test node addition""" pm = PackageManager() pm.init() sg = CompositeNode() # build the compositenode factory val1id = sg.add_node(pm.get_node("Catalog.Data", "float")) val2id = sg.add_node(pm.get_node("Catalog.Data", "float")) sg.connect(val1id, 0, val2id, 0) sgfactory = CompositeNodeFactory("testaddnode") sg.to_factory(sgfactory) # allocate the compositenode sg = sgfactory.instantiate() sg.node(val1id).set_input(0, 2.) sg() assert sg.node(val2id).get_output(0) == 2. # Add a new node addid = sg.add_node(pm.get_node("Catalog.Math", "+")) sg.connect(val1id, 0, addid, 0) sg.connect(val2id, 0, addid, 1) sg.to_factory(sgfactory) sg = sgfactory.instantiate() sg.node(val1id).set_input(0, 3.) sg() assert sg.node(addid).get_output(0) == 6.
def test_compositenodeio(self): """ Test IO""" pm = self.pm # pm.init() pkg = Package("compositenode", {}) # create a compositenode with 2 in and 1 out # the compositenode does an addition sg = CompositeNode( inputs=(dict(name="in1", interface=None, value=None), dict(name="in2", interface=None, value=None)), outputs=(dict(name="out", interface=None), ), ) addid = sg.add_node(self.plus_node) sg.connect(sg.id_in, 0, addid, 0) sg.connect(sg.id_in, 1, addid, 1) sg.connect(addid, 0, sg.id_out, 0) sgfactory = CompositeNodeFactory("additionsg") sg.to_factory(sgfactory) sg1 = sgfactory.instantiate() sg1.set_input(0, 2.) sg1.set_input(1, 3.) sg1() assert sg1.get_output(0) == 5. pkg.add_factory(sgfactory) pm.add_package(pkg) sg = CompositeNode() addid = sg.add_node(pm.get_node("compositenode", "additionsg")) val1id = sg.add_node(self.float_node) val2id = sg.add_node(self.float_node) val3id = sg.add_node(self.float_node) sg.connect(val1id, 0, addid, 0) sg.connect(val2id, 0, addid, 1) sg.connect(addid, 0, val3id, 0) sgfactory2 = CompositeNodeFactory("testio") sg.to_factory(sgfactory2) # allocate the compositenode sg = sgfactory2.instantiate() sg.node(val1id).set_input(0, 2.) sg.node(val2id).set_input(0, 3.) # evaluation sg() assert sg.node(val3id).get_output(0) == 5.
def test_compositenodeio(self): """ Test IO""" pm = self.pm # pm.init() pkg = Package("compositenode", {}) # create a compositenode with 2 in and 1 out # the compositenode does an addition sg = CompositeNode(inputs=(dict(name="in1", interface=None, value=None), dict(name="in2", interface=None, value=None)), outputs=(dict(name="out", interface=None),), ) addid = sg.add_node(self.plus_node) sg.connect(sg.id_in, 0, addid, 0) sg.connect(sg.id_in, 1, addid, 1) sg.connect(addid, 0, sg.id_out, 0) sgfactory = CompositeNodeFactory("additionsg") sg.to_factory(sgfactory) sg1 = sgfactory.instantiate() sg1.set_input(0, 2.) sg1.set_input(1, 3.) sg1() assert sg1.get_output(0) == 5. pkg.add_factory(sgfactory) pm.add_package(pkg) sg = CompositeNode() addid = sg.add_node(pm.get_node("compositenode", "additionsg")) val1id = sg.add_node(self.float_node) val2id = sg.add_node(self.float_node) val3id = sg.add_node(self.float_node) sg.connect(val1id, 0, addid, 0) sg.connect(val2id, 0, addid, 1) sg.connect(addid, 0, val3id, 0) sgfactory2 = CompositeNodeFactory("testio") sg.to_factory(sgfactory2) # allocate the compositenode sg = sgfactory2.instantiate() sg.node(val1id).set_input(0, 2.) sg.node(val2id).set_input(0, 3.) # evaluation sg() assert sg.node(val3id).get_output(0) == 5.
def test_to_factory(): """ Create a compositenode, generate its factory and reintantiate it """ pm = PackageManager() pm.init() sg = CompositeNode() n1 = pm.get_node("Catalog.Data", "float") n2 = pm.get_node("Catalog.Data", "float") e1 = sg.add_node(n1) e2 = sg.add_node(n2) sg.connect(e1, 0, e2, 0) n1.set_input(0, 34.) sg() assert n2.get_output(0)==34. sgfactory = CompositeNodeFactory("factorytest") sg.to_factory(sgfactory) sg2 = sgfactory.instantiate() assert len(list(sg2.vertices()))==2+2 # two nodes + in/ou assert len(list(sg2.edges()))==1 sg2.node(e1).set_input(0, 3.) sg2() assert sg2.node(e2).get_output(0)==3. return pm, sg, sgfactory
def test_multi_out_eval(): """ Test multiple out connection""" pm = PackageManager() pm.init() sg = CompositeNode() # build the compositenode factory val1id = sg.add_node(pm.get_node("Catalog.Data", "string")) val2id = sg.add_node(pm.get_node("Catalog.Data", "string")) val3id = sg.add_node(pm.get_node("Catalog.Data", "string")) sg.connect(val1id, 0, val2id, 0) sg.connect(val1id, 0, val3id, 0) sgfactory = CompositeNodeFactory("testlazyeval") sg.to_factory(sgfactory) # allocate the compositenode sg = sgfactory.instantiate() sg.node(val1id).set_input(0, "teststring") sg() assert sg.node(val2id).get_output(0) == "teststring" assert sg.node(val3id).get_output(0) == "teststring" #partial evaluation sg.node(val1id).set_input(0, "teststring2") sg.eval_as_expression(val2id) assert sg.node(val2id).get_output(0) == "teststring2" sg.eval_as_expression(val3id) assert sg.node(val3id).get_output(0) == "teststring2"
def test_auto_io(): """ Test auto io""" pm = PackageManager() pm.init() sg = CompositeNode() # build the compositenode factory val1id = sg.add_node(pm.get_node("Catalog.Data", "string")) val2id = sg.add_node(pm.get_node("Catalog.Data", "string")) val3id = sg.add_node(pm.get_node("Catalog.Data", "string")) sg.connect(val1id, 0, val3id, 0) sg.connect(val2id, 0, val3id, 0) sgfactory = CompositeNodeFactory("testlautoio") sg.to_factory(sgfactory, listid=[val1id, val2id, val3id], auto_io=True) # allocate the compositenode sg = sgfactory.instantiate() assert sg.get_nb_input() == 2 assert sg.get_nb_output() == 1 sg.set_input(0, "to") sg.set_input(1, "to") sg() res = sg.get_output(0) assert ''.join(eval(res)) == "toto"
def test_multi_in_eval(): """ Test multiple out connection""" pm = PackageManager() pm.init() sg = CompositeNode() # build the compositenode factory val1id = sg.add_node(pm.get_node("Catalog.Data", "string")) val2id = sg.add_node(pm.get_node("Catalog.Data", "string")) val3id = sg.add_node(pm.get_node("Catalog.Data", "string")) sg.connect(val1id, 0, val3id, 0) sg.connect(val2id, 0, val3id, 0) sgfactory = CompositeNodeFactory("testlazyeval") sg.to_factory(sgfactory) # allocate the compositenode sg = sgfactory.instantiate() sg.node(val1id).set_input(0, "teststring1") sg.node(val2id).set_input(0, "teststring2") sg() assert (sg.node(val3id).get_output(0) == "['teststring1', 'teststring2']")\ or \ (sg.node(val3id).get_output(0) == "['teststring2', 'teststring1']")
def test_save_workspace(): pm = PackageManager() pm.init() asession = Session() import sys sgfactory = CompositeNodeFactory(name="SubGraphExample", description= "Examples", category = "Examples", ) sg= CompositeNode() # build the subgraph factory addid = sg.add_node(pm.get_node("pkg_test", "float")) sg.to_factory(sgfactory) instance = sgfactory.instantiate() instance.actor(addid).set_input(0, 3) asession.add_workspace(instance) asession.save('test.pic') asession.workspaces = [] asession.load('test.pic') try: os.remove('test.pic') except: os.remove('test.pic.db') i = asession.workspaces[0] assert type(i) == type(instance)
def test_save_workspace(): pm = PackageManager() pm.init() asession = Session() import sys sgfactory = CompositeNodeFactory( name="SubGraphExample", description="Examples", category="Examples", ) sg = CompositeNode() # build the subgraph factory addid = sg.add_node(pm.get_node("pkg_test", "float")) sg.to_factory(sgfactory) instance = sgfactory.instantiate() instance.actor(addid).set_input(0, 3) asession.add_workspace(instance) asession.save('test.pic') asession.workspaces = [] asession.load('test.pic') try: os.remove('test.pic') except: os.remove('test.pic.db') i = asession.workspaces[0] assert type(i) == type(instance)
def test_to_factory(): """ Create a compositenode, generate its factory and reintantiate it """ pm = PackageManager() pm.init() sg = CompositeNode() n1 = pm.get_node("Catalog.Data", "float") n2 = pm.get_node("Catalog.Data", "float") e1 = sg.add_node(n1) e2 = sg.add_node(n2) sg.connect(e1, 0, e2, 0) n1.set_input(0, 34.) sg() assert n2.get_output(0) == 34. sgfactory = CompositeNodeFactory("factorytest") sg.to_factory(sgfactory) sg2 = sgfactory.instantiate() assert len(list(sg2.vertices())) == 2 + 2 # two nodes + in/ou assert len(list(sg2.edges())) == 1 sg2.node(e1).set_input(0, 3.) sg2() assert sg2.node(e2).get_output(0) == 3. return pm, sg, sgfactory
def test_to_factory(self): """ Create a compositenode, generate its factory and reintantiate it """ sg = CompositeNode() n1 = self.float_node n2 = self.float_node e1 = sg.add_node(n1) e2 = sg.add_node(n2) sg.connect(e1, 0, e2, 0) n1.set_input(0, 34.) sg() assert n2.get_output(0)==34. sgfactory = CompositeNodeFactory("factorytest") sg.to_factory(sgfactory) sg2 = sgfactory.instantiate() assert len(list(sg2.vertices()))==2+2 # two nodes + in/ou assert len(list(sg2.edges()))==1 sg2.node(e1).set_input(0, 3.) sg2() assert sg2.node(e2).get_output(0)==3. return sg, sgfactory
def test_auto_io(self): """ Test auto io""" sg = CompositeNode() # build the compositenode factory val1id = sg.add_node(self.string_node) val2id = sg.add_node(self.string_node) val3id = sg.add_node(self.string_node) sg.connect(val1id, 0, val3id, 0) sg.connect(val2id, 0, val3id, 0) sgfactory = CompositeNodeFactory("testlautoio") sg.to_factory(sgfactory, listid=[val1id, val2id, val3id], auto_io=True) # allocate the compositenode sg = sgfactory.instantiate() assert sg.get_nb_input() == 2 assert sg.get_nb_output() == 1 sg.set_input(0, "to") sg.set_input(1, "to") sg() res = sg.get_output(0) assert ''.join(eval(res)) == "toto"
def test_instantiate_compositenode(self): """test instantiation""" #pm = PackageManager() #pm.init() sg = CompositeNode() # build the compositenode factory addid = sg.add_node(self.plus_node) val1id = sg.add_node(self.float_node) val2id = sg.add_node(self.float_node) val3id = sg.add_node(self.float_node) sg.connect(val1id, 0, addid, 0) sg.connect(val2id, 0, addid, 1) sg.connect(addid, 0, val3id, 0) sgfactory = CompositeNodeFactory("addition") sg.to_factory(sgfactory) # allocate the compositenode sg = sgfactory.instantiate() sg.node(val1id).set_input(0, 2.) sg.node(val2id).set_input(0, 3.) # evaluation sg() assert sg.node(val3id).get_output(0) == 5.
def test_multi_in_eval(self): """ Test multiple out connection""" sg = CompositeNode() # build the compositenode factory val1id = sg.add_node(self.string_node) val2id = sg.add_node(self.string_node) val3id = sg.add_node(self.string_node) sg.connect(val1id, 0, val3id, 0) sg.connect(val2id, 0, val3id, 0) sgfactory = CompositeNodeFactory("testlazyeval") sg.to_factory(sgfactory) # allocate the compositenode sg = sgfactory.instantiate() sg.node(val1id).set_input(0, "teststring1") sg.node(val2id).set_input(0, "teststring2") sg() assert (sg.node(val3id).get_output( 0) == "['teststring1', 'teststring2']") \ or \ (sg.node(val3id).get_output( 0) == "['teststring2', 'teststring1']")
def test_multi_out_eval(self): """ Test multiple out connection""" sg = CompositeNode() # build the compositenode factory val1id = sg.add_node(self.string_node) val2id = sg.add_node(self.string_node) val3id = sg.add_node(self.string_node) sg.connect(val1id, 0, val2id, 0) sg.connect(val1id, 0, val3id, 0) sgfactory = CompositeNodeFactory("testlazyeval") sg.to_factory(sgfactory) # allocate the compositenode sg = sgfactory.instantiate() sg.node(val1id).set_input(0, "teststring") sg() assert sg.node(val2id).get_output(0) == "teststring" assert sg.node(val3id).get_output(0) == "teststring" #partial evaluation sg.node(val1id).set_input(0, "teststring2") sg.eval_as_expression(val2id) assert sg.node(val2id).get_output(0) == "teststring2" sg.eval_as_expression(val3id) assert sg.node(val3id).get_output(0) == "teststring2"
def test_compositenodewriter(): setup_module() pm = PackageManager() pm.init() sg = CompositeNode(inputs=[dict(name="%d" % i) for i in xrange(3)], outputs=[dict(name="%d" % i) for i in xrange(4)], ) # build the compositenode factory addid = sg.add_node(pm.get_node("pkg_test", "+")) val1id = sg.add_node(pm.get_node("pkg_test", "float")) val2id = sg.add_node(pm.get_node("pkg_test", "float")) val3id = sg.add_node(pm.get_node("pkg_test", "float")) sg.connect(val1id, 0, addid, 0) sg.connect(val2id, 0, addid, 1) sg.connect(addid, 0, val3id, 0) sg.connect(val3id, 0, sg.id_out, 0) sgfactory = CompositeNodeFactory("addition") sg.to_factory(sgfactory) # Package metainfo = {'version': '0.0.1', 'license': 'CECILL-C', 'authors': 'OpenAlea Consortium', 'institutes': 'INRIA/CIRAD', 'description': 'Base library.', 'url': 'http://openalea.gforge.inria.fr'} package1 = pm.create_user_package("MyTestPackage", metainfo, os.path.curdir) package1.add_factory(sgfactory) print package1.keys() assert 'addition' in package1 package1.write() sg = sgfactory.instantiate() sg.node(val1id).set_input(0, 2.) sg.node(val2id).set_input(0, 3.) # evaluation sg() print sg.node(val3id).get_output(0) assert sg.node(val3id).get_output(0) == 5. print "nb vertices", len(sg) assert len(sg) == 6 pm.init() newsg = pm.get_node('MyTestPackage', 'addition') print "nb vertices", len(newsg) assert len(newsg) == 6
def test_compositenodewriter(): pm = PackageManager() pm.init() sg = CompositeNode( inputs=[dict(name="%d" % i) for i in xrange(3)], outputs=[dict(name="%d" % i) for i in xrange(4)], ) # build the compositenode factory addid = sg.add_node(pm.get_node("pkg_test", "+")) val1id = sg.add_node(pm.get_node("pkg_test", "float")) val2id = sg.add_node(pm.get_node("pkg_test", "float")) val3id = sg.add_node(pm.get_node("pkg_test", "float")) sg.connect(val1id, 0, addid, 0) sg.connect(val2id, 0, addid, 1) sg.connect(addid, 0, val3id, 0) sg.connect(val3id, 0, sg.id_out, 0) sgfactory = CompositeNodeFactory("addition") sg.to_factory(sgfactory) # Package metainfo = { 'version': '0.0.1', 'license': 'CECILL-C', 'authors': 'OpenAlea Consortium', 'institutes': 'INRIA/CIRAD', 'description': 'Base library.', 'url': 'http://openalea.gforge.inria.fr' } package1 = pm.create_user_package("MyTestPackage", metainfo, tmp_dir) package1.add_factory(sgfactory) assert 'addition' in package1 package1.write() sg = sgfactory.instantiate() sg.node(val1id).set_input(0, 2.) sg.node(val2id).set_input(0, 3.) # evaluation sg() assert sg.node(val3id).get_output(0) == 5. assert len(sg) == 6 pm.init() newsg = pm.get_node('MyTestPackage', 'addition') assert len(newsg) == 6
def test_compositenode_creation_without_edges(self): """test compositenode creation without edges""" sg = CompositeNode() # build the compositenode factory addid = sg.add_node(self.plus_node) val1id = sg.add_node(self.float_node) val2id = sg.add_node(self.float_node) val3id = sg.add_node(self.float_node) sgfactory = CompositeNodeFactory("addition") sg.to_factory(sgfactory) # allocate the compositenode sg = sgfactory.instantiate() assert len(sg) == 4+2
def test_compositenode_creation_without_edges(): """test compositenode creation without edges""" pm = PackageManager() pm.init() sg = CompositeNode() # build the compositenode factory addid = sg.add_node(pm.get_node("Catalog.Math", "+")) val1id = sg.add_node(pm.get_node("Catalog.Data", "float")) val2id = sg.add_node(pm.get_node("Catalog.Data", "float")) val3id = sg.add_node(pm.get_node("Catalog.Data", "float")) sgfactory = CompositeNodeFactory("addition") sg.to_factory(sgfactory) # allocate the compositenode sg = sgfactory.instantiate() assert len(sg) == 4+2
def test_compositenode_creation_without_edges(): """test compositenode creation without edges""" pm = PackageManager() pm.init() sg = CompositeNode() # build the compositenode factory addid = sg.add_node(pm.get_node("Catalog.Math", "+")) val1id = sg.add_node(pm.get_node("Catalog.Data", "float")) val2id = sg.add_node(pm.get_node("Catalog.Data", "float")) val3id = sg.add_node(pm.get_node("Catalog.Data", "float")) sgfactory = CompositeNodeFactory("addition") sg.to_factory(sgfactory) # allocate the compositenode sg = sgfactory.instantiate() assert len(sg) == 4 + 2
class Session(Observed): """ A session is composed by different workspaces, and an user package. A workspace is an open node A session can be saved on disk. """ USR_PKG_NAME = "__my package__" def __init__(self): Observed.__init__(self) self.workspaces = [] self.cworkspace = -1 # current workspace self.graphViews = weakref.WeakKeyDictionary() self.datapool = DataPool() # Use dictionary self.use_by_name = {} self.use_by_interface = {} self.pkgmanager = PackageManager() self.empty_cnode_factory = CompositeNodeFactory("Workspace") self.clipboard = CompositeNodeFactory("Clipboard") self.init() # gengraph def simulate_workspace_addition(self): for ws in self.workspaces: self.notify_listeners(("workspace_added", ws)) #/gengraph def get_current_workspace(self, ): """ Return the current workspace object """ return self.workspaces[self.cworkspace] ws = property(get_current_workspace) def get_graph_views(self): return self.graphViews.keys() def add_graph_view(self, view): self.graphViews[view] = None def add_workspace(self, compositenode=None, notify=True): """ Open a new workspace in the session if compositenode = None, create a new empty compositenode """ if compositenode is None: compositenode = self.empty_cnode_factory.instantiate() compositenode.set_caption("") self.workspaces.append(compositenode) elif(compositenode not in self.workspaces): self.workspaces.append(compositenode) else: return compositenode if(notify): self.notify_listeners(("workspace_added", compositenode)) return compositenode def close_workspace(self, index, notify=True): """ Close workspace at index """ del self.workspaces[index] if(notify): self.notify_listeners() def init(self, create_workspace=True): """ Init the Session """ self.session_filename = None #self.workspaces = [] # init pkgmanager self.pkgmanager.find_and_register_packages() # Create user package if needed if (not self.pkgmanager.has_key(self.USR_PKG_NAME)): try: self.pkgmanager.create_user_package(self.USR_PKG_NAME, {}) except: pass if (create_workspace): self.add_workspace() self.cworkspace = 0 load_interfaces() self.notify_listeners() def clear(self, create_workspace=True): """ Reinit Session """ self.datapool.clear() self.pkgmanager.clear() self.init(create_workspace) def save(self, filename=None): """ Save session in filename user_pkg and workspaces data are saved Be careful, this method do not work very well if data are not persistent. """ if (filename): self.session_filename = filename d = shelve.open(self.session_filename, writeback=True) # modules modules_path = [] for k in sys.modules.keys(): m = sys.modules[k] if hasattr(m, '__file__'): modules_path.append((m.__name__, os.path.abspath(m.__file__))) d['__modules__'] = modules_path d.sync() # datapool d['datapool'] = {} for key in self.datapool: try: d['datapool'][key] = self.datapool[key] d.sync() except Exception, e: print e print "Unable to save %s in the datapool..." % str(key) del d['datapool'][key] # workspaces d['workspaces'] = [] for cpt, ws in enumerate(self.workspaces): try: d['workspaces'].append(ws) d.sync() except Exception, e: print e print "Unable to save workspace %i. Skip this." % (cpt, ) print " WARNING: Your session is not saved. Please save your dataflow as a composite node !!!!!" d['workspaces'].pop()
class Session(Observed): """ A session is composed by different workspaces, and an user package. A workspace is an open node A session can be saved on disk. """ USR_PKG_NAME = "__my package__" def __init__(self): Observed.__init__(self) self.workspaces = [] self.cworkspace = -1 # current workspace self.graphViews = weakref.WeakKeyDictionary() self.datapool = DataPool() # Use dictionary self.use_by_name = {} self.use_by_interface = {} self.pkgmanager = PackageManager() self.empty_cnode_factory = CompositeNodeFactory("Workspace") self.clipboard = CompositeNodeFactory("Clipboard") self.init() # gengraph def simulate_workspace_addition(self): for ws in self.workspaces: self.notify_listeners(("workspace_added", ws)) #/gengraph def get_current_workspace(self, ): """ Return the current workspace object """ return self.workspaces[self.cworkspace] ws = property(get_current_workspace) def get_graph_views(self): return self.graphViews.keys() def add_graph_view(self, view): self.graphViews[view] = None def add_workspace(self, compositenode=None, notify=True): """ Open a new workspace in the session if compositenode = None, create a new empty compositenode """ if compositenode is None: compositenode = self.empty_cnode_factory.instantiate() compositenode.set_caption("") self.workspaces.append(compositenode) elif (compositenode not in self.workspaces): self.workspaces.append(compositenode) else: return compositenode if (notify): self.notify_listeners(("workspace_added", compositenode)) return compositenode def close_workspace(self, index, notify=True): """ Close workspace at index """ del self.workspaces[index] if (notify): self.notify_listeners() def init(self, create_workspace=True): """ Init the Session """ self.session_filename = None #self.workspaces = [] # init pkgmanager self.pkgmanager.find_and_register_packages() # Create user package if needed if (not self.pkgmanager.has_key(self.USR_PKG_NAME)): try: self.pkgmanager.create_user_package(self.USR_PKG_NAME, {}) except: pass if (create_workspace): self.add_workspace() self.cworkspace = 0 load_interfaces() self.notify_listeners() def clear(self, create_workspace=True): """ Reinit Session """ self.datapool.clear() self.pkgmanager.clear() self.init(create_workspace) def save(self, filename=None): """ Save session in filename user_pkg and workspaces data are saved Be careful, this method do not work very well if data are not persistent. """ if (filename): self.session_filename = filename d = shelve.open(self.session_filename, writeback=True) # modules modules_path = [] for k in sys.modules.keys(): m = sys.modules[k] if hasattr(m, '__file__'): modules_path.append((m.__name__, os.path.abspath(m.__file__))) d['__modules__'] = modules_path d.sync() # datapool d['datapool'] = {} for key in self.datapool: try: d['datapool'][key] = self.datapool[key] d.sync() except Exception, e: print e print "Unable to save %s in the datapool..." % str(key) del d['datapool'][key] # workspaces d['workspaces'] = [] for cpt, ws in enumerate(self.workspaces): try: d['workspaces'].append(ws) d.sync() except Exception, e: print e print "Unable to save workspace %i. Skip this." % (cpt, ) print " WARNING: Your session is not saved. Please save your dataflow as a composite node !!!!!" d['workspaces'].pop()