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q276700
ElementTool.normal_left_dclick
test
def normal_left_dclick(self, event): """ Handles the left mouse button being double-clicked when the tool is in the 'normal' state. If the event occurred on this tool's component (or any contained component of that component), the method opens a Traits UI view on the object referenced by the 'element' trait of the component that was double-clicked, setting the tool as the active tool for the duration of the view. """ x = event.x y = event.y # First determine what component or components we are going to hittest # on. If our component is a container, then we add its non-container # components to the list of candidates. # candidates = [] component = self.component # if isinstance(component, Container): # candidates = get_nested_components(self.component) # else: # # We don't support clicking on unrecognized components # return # # # Hittest against all the candidate and take the first one # item = None #
python
{ "resource": "" }
q276701
CanvasMapping._diagram_canvas_changed
test
def _diagram_canvas_changed(self, new): """ Handles the diagram canvas being set """ logger.debug("Diagram canvas changed!") canvas = self.diagram_canvas for tool in self.tools:
python
{ "resource": "" }
q276702
CanvasMapping.clear_canvas
test
def clear_canvas(self): """ Removes all components from the canvas """ logger.debug("Clearing the diagram canvas!") old_canvas = self.diagram_canvas # logger.debug("Canvas components: %s" % canvas.components) # for component in canvas.components: # canvas.remove(component) # logger.debug("Canvas components: %s" % canvas.components) # for component in canvas.components: #
python
{ "resource": "" }
q276703
Mapping._domain_model_changed_for_diagram
test
def _domain_model_changed_for_diagram(self, obj, name, old, new): """ Handles the domain model changing """ if old is not None:
python
{ "resource": "" }
q276704
Mapping.map_model
test
def map_model(self, new): """ Maps a domain model to the diagram """ logger.debug("Mapping the domain model!") dot = Dot() self.diagram.clear_canvas() for node_mapping in self.nodes: ct = node_mapping.containment_trait logger.debug("Mapping elements contained by the '%s' trait" % ct) if hasattr(new, ct): elements = getattr(new, ct) logger.debug("%d element(s) found" % len(elements)) for element in elements: pydot_node = Node(str(id(element))) dot_attrs = node_mapping.dot_node if dot_attrs is not None: self._style_node(pydot_node, dot_attrs) dot.add_node(pydot_node) new.on_trait_change(self.map_element, ct+"_items") logger.debug("Retrieving xdot data and forming pydot graph!") xdot = graph_from_dot_data(dot.create(self.program, "xdot")) parser = XDotParser() for node in xdot.get_node_list(): diagram_node = parser.parse_node(node) logger.debug( "Parsed node [%s] and received diagram node [%s]" % (node, diagram_node) ) if diagram_node is not None: for node_mapping in self.nodes: # FIXME: slow ct = node_mapping.containment_trait for element in getattr(new, ct): if str(id(element)) == diagram_node.dot_node.get_name(): logger.debug( "Referencing element [%s] from diagram node [%s]" %
python
{ "resource": "" }
q276705
Mapping.unmap_model
test
def unmap_model(self, old): """ Removes listeners from a domain model """ for node_mapping in self.nodes: ct = node_mapping.containment_trait if hasattr(old, ct): old_elements = getattr(old, ct)
python
{ "resource": "" }
q276706
Mapping.map_element
test
def map_element(self, obj, name, event): """ Handles mapping elements to diagram components """ canvas = self.diagram.diagram_canvas parser = XDotParser() for element in event.added: logger.debug("Mapping new element [%s] to diagram node" % element) for node_mapping in self.nodes: ct = name[:-6] #strip '_items' if node_mapping.containment_trait == ct: dot_attrs = node_mapping.dot_node dot = Dot() graph_node = Node(str(id(element))) self._style_node(graph_node, dot_attrs) dot.add_node(graph_node) xdot = graph_from_dot_data(dot.create(self.program,"xdot")) diagram_nodes = parser.parse_nodes(xdot)#.get_node_list()) for dn in diagram_nodes: if dn is not None:
python
{ "resource": "" }
q276707
Mapping._style_node
test
def _style_node(self, pydot_node, dot_attrs): """ Styles a node """ pydot_node.set_shape(dot_attrs.shape) pydot_node.set_fixedsize(str(dot_attrs.fixed_size)) pydot_node.set_width(str(dot_attrs.width)) pydot_node.set_height(str(dot_attrs.height)) pydot_node.set_color(rgba2hex(dot_attrs.color_)) pydot_node.set_fillcolor(
python
{ "resource": "" }
q276708
XdotAttrParser.parse_xdot_data
test
def parse_xdot_data(self, data): """ Parses xdot data and returns the associated components. """ parser = self.parser # if pyparsing_version >= "1.2": #
python
{ "resource": "" }
q276709
XdotAttrParser.proc_font
test
def proc_font(self, tokens): """ Sets the font. """
python
{ "resource": "" }
q276710
XdotAttrParser._proc_ellipse
test
def _proc_ellipse(self, tokens, filled): """ Returns the components of an ellipse. """ component = Ellipse(pen=self.pen, x_origin=tokens["x0"], y_origin=tokens["y0"],
python
{ "resource": "" }
q276711
XdotAttrParser._proc_polygon
test
def _proc_polygon(self, tokens, filled): """ Returns the components of a polygon. """ pts = [(p["x"], p["y"]) for p in tokens["points"]]
python
{ "resource": "" }
q276712
XdotAttrParser.proc_polyline
test
def proc_polyline(self, tokens): """ Returns the components of a polyline. """ pts = [(p["x"], p["y"]) for p in tokens["points"]]
python
{ "resource": "" }
q276713
XdotAttrParser.proc_text
test
def proc_text(self, tokens): """ Returns text components. """ component = Text(pen=self.pen, text_x=tokens["x"], text_y=tokens["y"],
python
{ "resource": "" }
q276714
XdotAttrParser.proc_image
test
def proc_image(self, tokens): """ Returns the components of an image. """
python
{ "resource": "" }
q276715
render_grid_file
test
def render_grid_file(context, f): """Allow direct use of GridOut GridFS file wrappers as endpoint responses.""" f.seek(0) # Ensure we are reading from the beginning. response = context.response # Frequently accessed, so made local. Useless optimization on Pypy. if __debug__: # We add some useful diagnostic information in development, omitting from production due to sec. response.headers['Grid-ID'] = str(f._id) # The GridFS file ID. log.debug("Serving GridFS file.", extra=dict( identifier = str(f._id), filename = f.filename, length = f.length, mimetype = f.content_type ))
python
{ "resource": "" }
q276716
DotFileIResourceAdapter.save
test
def save(self, obj): """ Save to file. """ fd = None try: fd = open(self.dot_file.absolute_path, "wb") obj.save_dot(fd) finally: if
python
{ "resource": "" }
q276717
DotFileIResourceAdapter.load
test
def load(self): """ Load the file. """ fd = None try: obj = parse_dot_file( self.dot_file.absolute_path ) finally:
python
{ "resource": "" }
q276718
Ellipse.is_in
test
def is_in(self, point_x, point_y): """ Test if the point is within this ellipse """ x = self.x_origin
python
{ "resource": "" }
q276719
Ellipse._draw_bounds
test
def _draw_bounds(self, gc): """ Draws the component bounds for testing purposes """ dx, dy = self.bounds
python
{ "resource": "" }
q276720
NewDotGraphAction.perform
test
def perform(self, event): """ Perform the action. """ wizard = NewDotGraphWizard(parent=self.window.control, window=self.window, title="New Graph")
python
{ "resource": "" }
q276721
SQLAlchemyConnection.start
test
def start(self, context): """Construct the SQLAlchemy engine and session factory.""" if __debug__: log.info("Connecting SQLAlchemy database layer.", extra=dict( uri = redact_uri(self.uri), config = self.config, alias = self.alias, )) # Construct the engine. engine = self.engine = create_engine(self.uri, **self.config) # Construct the session factory.
python
{ "resource": "" }
q276722
GraphViewModel._parse_dot_code_fired
test
def _parse_dot_code_fired(self): """ Parses the dot_code string and replaces the existing model. """ parser = GodotDataParser()
python
{ "resource": "" }
q276723
GraphViewModel.new_model
test
def new_model(self, info): """ Handles the new Graph action. """ if info.initialized: retval = confirm(parent = info.ui.control,
python
{ "resource": "" }
q276724
GraphViewModel.open_file
test
def open_file(self, info): """ Handles the open action. """ if not info.initialized: return # Escape. # retval = self.edit_traits(parent=info.ui.control, view="file_view") dlg = FileDialog( action = "open", wildcard = "Graphviz Files (*.dot, *.xdot, *.txt)|" "*.dot;*.xdot;*.txt|Dot Files (*.dot)|*.dot|" "All Files (*.*)|*.*|") if dlg.open() == OK: parser = GodotDataParser()
python
{ "resource": "" }
q276725
GraphViewModel.save
test
def save(self, info): """ Handles saving the current model to the last file. """ save_file = self.save_file if not isfile(save_file): self.save_as(info) else: fd = None try: fd = open(save_file, "wb")
python
{ "resource": "" }
q276726
GraphViewModel.save_as
test
def save_as(self, info): """ Handles saving the current model to file. """ if not info.initialized: return # retval = self.edit_traits(parent=info.ui.control, view="file_view") dlg = FileDialog( action = "save as", wildcard = "Graphviz Files (*.dot, *.xdot, *.txt)|" \ "*.dot;*.xdot;*.txt|Dot Files (*.dot)|*.dot|" \ "All Files (*.*)|*.*|") if dlg.open() == OK: fd = None try: fd = open(dlg.path, "wb") dot_code = str(self.model) fd.write(dot_code) self.save_file = dlg.path
python
{ "resource": "" }
q276727
GraphViewModel.configure_graph
test
def configure_graph(self, info): """ Handles display of the graph dot traits. """ if info.initialized:
python
{ "resource": "" }
q276728
GraphViewModel.configure_nodes
test
def configure_nodes(self, info): """ Handles display of the nodes editor. """ if info.initialized:
python
{ "resource": "" }
q276729
GraphViewModel.configure_edges
test
def configure_edges(self, info): """ Handles display of the edges editor. """ if info.initialized:
python
{ "resource": "" }
q276730
GraphViewModel.about_godot
test
def about_godot(self, info): """ Handles displaying a view about Godot. """ if info.initialized:
python
{ "resource": "" }
q276731
GraphViewModel.add_node
test
def add_node(self, info): """ Handles adding a Node to the graph. """ if not info.initialized: return graph = self._request_graph(info.ui.control) if graph is None: return IDs = [v.ID for v in graph.nodes]
python
{ "resource": "" }
q276732
GraphViewModel.add_edge
test
def add_edge(self, info): """ Handles adding an Edge to the graph. """ if not info.initialized: return graph = self._request_graph(info.ui.control) if graph is None: return n_nodes = len(graph.nodes) IDs = [v.ID for v in graph.nodes] if n_nodes == 0: tail_node = Node(ID=make_unique_name("node", IDs)) head_name = make_unique_name("node", IDs + [tail_node.ID]) head_node = Node(ID=head_name) elif n_nodes == 1: tail_node = graph.nodes[0]
python
{ "resource": "" }
q276733
GraphViewModel.add_subgraph
test
def add_subgraph(self, info): """ Handles adding a Subgraph to the main graph. """ if not info.initialized: return graph = self._request_graph(info.ui.control) if graph is not None: subgraph = Subgraph()#root=graph, parent=graph)
python
{ "resource": "" }
q276734
GraphViewModel.add_cluster
test
def add_cluster(self, info): """ Handles adding a Cluster to the main graph. """ if not info.initialized: return graph = self._request_graph(info.ui.control) if graph is not None: cluster = Cluster()#root=graph, parent=graph)
python
{ "resource": "" }
q276735
GraphViewModel._request_graph
test
def _request_graph(self, parent=None): """ Displays a dialog for graph selection if more than one exists. Returns None if the dialog is canceled. """ if (len(self.all_graphs) > 1) and (self.select_graph): retval = self.edit_traits(parent = parent, view = "all_graphs_view")
python
{ "resource": "" }
q276736
GraphViewModel.godot_options
test
def godot_options(self, info): """ Handles display of the options menu. """ if info.initialized: self.edit_traits( parent = info.ui.control,
python
{ "resource": "" }
q276737
GraphViewModel.configure_dot_code
test
def configure_dot_code(self, info): """ Handles display of the dot code in a text editor. """ if not info.initialized:
python
{ "resource": "" }
q276738
GraphViewModel.on_exit
test
def on_exit(self, info): """ Handles the user attempting to exit Godot. """ if self.prompt_on_exit:# and (not is_ok): retval = confirm(parent = info.ui.control, message = "Exit Godot?", title = "Confirm exit",
python
{ "resource": "" }
q276739
move_to_origin
test
def move_to_origin(components): """ Components are positioned relative to their container. Use this method to position the bottom-left corner of the components at the origin. """ for component in components: if isinstance(component, Ellipse): component.x_origin = component.e_width component.y_origin = component.e_height elif isinstance(component, (Polygon, BSpline)): min_x = min( [t[0] for t in component.points] ) min_y = min( [t[1] for t in component.points] ) component.points = [
python
{ "resource": "" }
q276740
Serializable.save_to_file_like
test
def save_to_file_like(self, flo, format=None, **kwargs): """ Save the object to a given file like object in the given format. """ format = self.format if format is None else format
python
{ "resource": "" }
q276741
Serializable.load_from_file_like
test
def load_from_file_like(cls, flo, format=None): """ Load the object to a given file like object with the given protocol. """
python
{ "resource": "" }
q276742
Serializable.save_to_file
test
def save_to_file(self, filename, format=None, **kwargs): """ Save the object to file given by filename. """ if format is None:
python
{ "resource": "" }
q276743
Serializable.load_from_file
test
def load_from_file(cls, filename, format=None): """ Return an instance of the class that is saved in the file with the given filename in the specified format. """ if format is None: # try to derive protocol from file extension
python
{ "resource": "" }
q276744
Alias
test
def Alias(name, **metadata): """ Syntactically concise alias trait but creates a pair of lambda functions for every alias you declare. class MyClass(HasTraits):
python
{ "resource": "" }
q276745
parse
test
def parse(filename, encoding=None): """ !DEMO! Simple file parsing generator Args: filename: absolute or relative path to file on disk encoding: encoding string that is passed to open function
python
{ "resource": "" }
q276746
MarkovChain.startwords
test
def startwords(self): """ !DEMO! Cached list of keys that can be used to generate sentence. """ if self._start_words is not None: return self._start_words else: self._start_words = list(filter(
python
{ "resource": "" }
q276747
MarkovGenerator.add_chain
test
def add_chain(self, name, order): """ Add chain to current shelve file Args: name: chain name order: markov chain order """ if name not in self.chains:
python
{ "resource": "" }
q276748
MarkovGenerator.remove_chain
test
def remove_chain(self, name): """ Remove chain from current shelve file Args: name: chain name """ if name in self.chains:
python
{ "resource": "" }
q276749
MarkovGenerator.build_chain
test
def build_chain(self, source, chain): """ Build markov chain from source on top of existin chain Args: source: iterable which will be used to build chain chain: MarkovChain in currently loaded shelve file that will be extended by source """ for group in WalkByGroup(source, chain.order+1): pre = group[:-1] res = group[-1] if pre not in chain.content:
python
{ "resource": "" }
q276750
MarkovGenerator.generate_sentence
test
def generate_sentence(self, chain): """ !DEMO! Demo function that shows how to generate a simple sentence starting with uppercase letter without lenght limit. Args: chain: MarkovChain that will be used to generate sentence """ def weighted_choice(choices): total_weight = sum(weight for val, weight in choices)
python
{ "resource": "" }
q276751
BaseGraph.create
test
def create(self, prog=None, format=None): """ Creates and returns a representation of the graph using the Graphviz layout program given by 'prog', according to the given format. Writes the graph to a temporary dot file and processes it with the program given by 'prog' (which defaults to 'dot'), reading the output and returning it as a string if the operation is successful. On failure None is returned. """ prog = self.program if prog is None else prog format = self.format if format is None else format # Make a temporary file ... tmp_fd, tmp_name = tempfile.mkstemp() os.close( tmp_fd ) # ... and save the graph to it. dot_fd = file( tmp_name, "w+b" ) self.save_dot( dot_fd ) dot_fd.close() # Get the temporary file directory name. tmp_dir = os.path.dirname( tmp_name ) # TODO: Shape image files (See PyDot). Important. # Process the file using the layout
python
{ "resource": "" }
q276752
BaseGraph.add_node
test
def add_node(self, node_or_ID, **kwds): """ Adds a node to the graph. """ if not isinstance(node_or_ID, Node): nodeID = str( node_or_ID ) if nodeID in self.nodes: node = self.nodes[ self.nodes.index(nodeID) ] else: if self.default_node is not None: node = self.default_node.clone_traits(copy="deep") node.ID = nodeID else:
python
{ "resource": "" }
q276753
BaseGraph.delete_node
test
def delete_node(self, node_or_ID): """ Removes a node from the graph. """ if isinstance(node_or_ID, Node): # name = node_or_ID.ID node = node_or_ID else: # name = node_or_ID node = self.get_node(node_or_ID) if node is None: raise ValueError("Node %s does not exists" % node_or_ID) # try: # del self.nodes[name] # except:
python
{ "resource": "" }
q276754
BaseGraph.get_node
test
def get_node(self, ID): """ Returns the node with the given ID or None.
python
{ "resource": "" }
q276755
BaseGraph.delete_edge
test
def delete_edge(self, tail_node_or_ID, head_node_or_ID): """ Removes an edge from the graph. Returns the deleted edge or None. """ if isinstance(tail_node_or_ID, Node): tail_node = tail_node_or_ID else: tail_node = self.get_node(tail_node_or_ID) if isinstance(head_node_or_ID, Node): head_node = head_node_or_ID else: head_node = self.get_node(head_node_or_ID) if (tail_node is None) or (head_node is None):
python
{ "resource": "" }
q276756
BaseGraph.add_edge
test
def add_edge(self, tail_node_or_ID, head_node_or_ID, **kwds): """ Adds an edge to the graph. """ tail_node = self.add_node(tail_node_or_ID) head_node = self.add_node(head_node_or_ID) # Only top level graphs are directed and/or strict. if "directed" in self.trait_names(): directed = self.directed else: directed = False if self.default_edge is not None: edge = self.default_edge.clone_traits(copy="deep") edge.tail_node = tail_node edge.head_node = head_node edge.conn = "->" if directed else "--"
python
{ "resource": "" }
q276757
BaseGraph.add_subgraph
test
def add_subgraph(self, subgraph_or_ID): """ Adds a subgraph to the graph. """ if not isinstance(subgraph_or_ID, (godot.subgraph.Subgraph, godot.cluster.Cluster)): subgraphID = str( subgraph_or_ID ) if subgraph_or_ID.startswith("cluster"): subgraph = godot.cluster.Cluster(ID=subgraphID) else: subgraph = godot.subgraph.Subgraph(ID=subgraphID) else: subgraph = subgraph_or_ID subgraph.default_node = self.default_node
python
{ "resource": "" }
q276758
BaseGraph._program_changed
test
def _program_changed(self, new): """ Handles the Graphviz layout program selection changing. """ progs = self.progs if not progs.has_key(prog): logger.warning( 'GraphViz\'s executable "%s" not found' % prog ) if not os.path.exists( progs[prog] ) or not \
python
{ "resource": "" }
q276759
BaseGraph._set_node_lists
test
def _set_node_lists(self, new): """ Maintains each edge's list of available nodes. """
python
{ "resource": "" }
q276760
parse_dot_file
test
def parse_dot_file(filename): """ Parses a DOT file and returns a Godot graph. """ parser = GodotDataParser() graph
python
{ "resource": "" }
q276761
GodotDataParser.parse_dot_file
test
def parse_dot_file(self, file_or_filename): """ Returns a graph given a file or a filename. """ if isinstance(file_or_filename, basestring): file = None try: file = open(file_or_filename, "rb") data = file.read() except: print "Could not open %s." % file_or_filename return
python
{ "resource": "" }
q276762
GodotDataParser.build_top_graph
test
def build_top_graph(self,tokens): """ Build a Godot graph instance from parsed data. """ # Get basic graph information. strict = tokens[0] == 'strict' graphtype = tokens[1] directed = graphtype == 'digraph' graphname = tokens[2]
python
{ "resource": "" }
q276763
GodotDataParser.build_graph
test
def build_graph(self, graph, tokens): """ Builds a Godot graph. """ subgraph = None for element in tokens: cmd = element[0] if cmd == ADD_NODE: cmd, nodename, opts = element graph.add_node(nodename, **opts) elif cmd == ADD_EDGE: cmd, src, dest, opts = element srcport = destport = "" if isinstance(src,tuple): srcport = src[1] src = src[0] if isinstance(dest,tuple): destport = dest[1] dest = dest[0] graph.add_edge(src, dest, tailport=srcport, headport=destport, **opts) elif cmd in [ADD_GRAPH_TO_NODE_EDGE, ADD_GRAPH_TO_GRAPH_EDGE, ADD_NODE_TO_GRAPH_EDGE]: cmd, src, dest, opts = element srcport = destport = "" if isinstance(src,tuple): srcport = src[1] if isinstance(dest,tuple): destport = dest[1] if not (cmd == ADD_NODE_TO_GRAPH_EDGE): if cmd == ADD_GRAPH_TO_NODE_EDGE: src = subgraph
python
{ "resource": "" }
q276764
get_time_units_and_multiplier
test
def get_time_units_and_multiplier(seconds): """ Given a duration in seconds, determines the best units and multiplier to use to display the time. Return value is a 2-tuple of units and multiplier. """
python
{ "resource": "" }
q276765
format_duration
test
def format_duration(seconds): """Formats a number of seconds using the best units."""
python
{ "resource": "" }
q276766
TreeEditor.on_path
test
def on_path(self, new): """ Handle the file path changing. """ self.name
python
{ "resource": "" }
q276767
TreeEditor.create_ui
test
def create_ui(self, parent): """ Creates the toolkit-specific control that represents the editor. 'parent' is the toolkit-specific control that is the editor's parent. """ self.graph = self.editor_input.load() view = View(Item(name="graph", editor=graph_tree_editor,
python
{ "resource": "" }
q276768
nsplit
test
def nsplit(seq, n=2): """ Split a sequence into pieces of length n If the length of the sequence isn't a multiple of n, the rest is discarded. Note that nsplit will split strings into individual characters. Examples: >>> nsplit("aabbcc") [("a", "a"), ("b", "b"), ("c", "c")] >>> nsplit("aabbcc",n=3) [("a", "a", "b"), ("b",
python
{ "resource": "" }
q276769
windows
test
def windows(iterable, length=2, overlap=0, padding=True): """ Code snippet from Python Cookbook, 2nd Edition by David Ascher, Alex Martelli and Anna Ravenscroft; O'Reilly 2005 Problem: You have an iterable s and need to make another iterable whose items are sublists (i.e., sliding windows), each of the same given length, over s' items, with successive windows overlapping by a specified amount. """ it = iter(iterable)
python
{ "resource": "" }
q276770
main
test
def main(): """ Runs Godot. """ application = GodotApplication( id="godot", plugins=[CorePlugin(), PuddlePlugin(), WorkbenchPlugin(),
python
{ "resource": "" }
q276771
BaseGraphTreeNode.get_children
test
def get_children ( self, object ): """ Gets the object's children. """ children = [] children.extend( object.subgraphs ) children.extend( object.clusters )
python
{ "resource": "" }
q276772
BaseGraphTreeNode.append_child
test
def append_child ( self, object, child ): """ Appends a child to the object's children. """ if isinstance( child, Subgraph ): object.subgraphs.append( child ) elif isinstance( child, Cluster ): object.clusters.append( child )
python
{ "resource": "" }
q276773
BaseGraphTreeNode.insert_child
test
def insert_child ( self, object, index, child ): """ Inserts a child into the object's children. """ if isinstance( child, Subgraph ): object.subgraphs.insert( index, child ) elif isinstance( child, Cluster ): object.clusters.insert( index, child )
python
{ "resource": "" }
q276774
BaseGraphTreeNode.delete_child
test
def delete_child ( self, object, index ): """ Deletes a child at a specified index from the object's children. """ if isinstance( child, Subgraph ): object.subgraphs.pop(index) elif isinstance( child, Cluster ): object.clusters.pop( index )
python
{ "resource": "" }
q276775
BaseGraphTreeNode.when_children_replaced
test
def when_children_replaced ( self, object, listener, remove ): """ Sets up or removes a listener for children being replaced on a specified object. """ object.on_trait_change( listener, "subgraphs", remove = remove, dispatch = "fast_ui" ) object.on_trait_change( listener, "clusters", remove = remove, dispatch = "fast_ui" )
python
{ "resource": "" }
q276776
BaseGraphTreeNode.when_children_changed
test
def when_children_changed ( self, object, listener, remove ): """ Sets up or removes a listener for children being changed on a specified object. """ object.on_trait_change( listener, "subgraphs_items", remove = remove, dispatch = "fast_ui" )
python
{ "resource": "" }
q276777
GraphNode.get_label
test
def get_label ( self, object ): """ Gets the label to display for a specified object. """ label = self.label if label[:1] == '=': return label[1:] label = xgetattr( object, label, '' )
python
{ "resource": "" }
q276778
GraphNode.set_label
test
def set_label ( self, object, label ): """ Sets the label for a specified object. """ label_name
python
{ "resource": "" }
q276779
GraphNode.when_label_changed
test
def when_label_changed ( self, object, listener, remove ): """ Sets up or removes a listener for the label being changed on a specified object. """ label = self.label if label[:1] !=
python
{ "resource": "" }
q276780
SimpleGraphEditor.init
test
def init ( self, parent ): """ Finishes initialising the editor by creating the underlying toolkit widget. """ self._graph = graph = Graph()
python
{ "resource": "" }
q276781
SimpleGraphEditor.update_editor
test
def update_editor ( self ): """ Updates the editor when the object trait changes externally to the editor. """ object = self.value # Graph the new object... canvas = self.factory.canvas if canvas is not None:
python
{ "resource": "" }
q276782
SimpleGraphEditor._add_listeners
test
def _add_listeners ( self ): """ Adds the event listeners for a specified object. """ object = self.value canvas = self.factory.canvas if canvas is not None: for name in canvas.node_children: object.on_trait_change(self._nodes_replaced, name) object.on_trait_change(self._nodes_changed, name + "_items") for name
python
{ "resource": "" }
q276783
SimpleGraphEditor._nodes_replaced
test
def _nodes_replaced(self, object, name, old, new): """ Handles a list of nodes being set. """
python
{ "resource": "" }
q276784
SimpleGraphEditor._nodes_changed
test
def _nodes_changed(self, object, name, undefined, event): """ Handles addition and removal of nodes. """
python
{ "resource": "" }
q276785
SimpleGraphEditor._add_nodes
test
def _add_nodes(self, features): """ Adds a node to the graph for each item in 'features' using the GraphNodes from the editor factory. """ graph = self._graph if graph is not None:
python
{ "resource": "" }
q276786
SimpleGraphEditor._edges_replaced
test
def _edges_replaced(self, object, name, old, new): """ Handles a list of edges being set. """
python
{ "resource": "" }
q276787
SimpleGraphEditor._edges_changed
test
def _edges_changed(self, object, name, undefined, event): """ Handles addition and removal of edges. """
python
{ "resource": "" }
q276788
SimpleGraphEditor._add_edges
test
def _add_edges(self, features): """ Adds an edge to the graph for each item in 'features' using the GraphEdges from the editor factory. """ graph = self._graph if graph is not None: for feature in features: for graph_edge in self.factory.edges: if feature.__class__ in graph_edge.edge_for: tail_feature = getattr(feature, graph_edge.tail_name)
python
{ "resource": "" }
q276789
Edge._parse_xdot_directive
test
def _parse_xdot_directive(self, name, new): """ Handles parsing Xdot drawing directives. """ parser = XdotAttrParser() components = parser.parse_xdot_data(new) # The absolute coordinate of the drawing container wrt graph origin. x1 = min( [c.x for c in components] ) y1 = min( [c.y for c in components] ) print "X1/Y1:", name, x1, y1 # Components are positioned relative to their container. This # function positions the bottom-left corner of the components at # their origin rather than relative to the graph. # move_to_origin( components ) for c in components: if isinstance(c, Ellipse): component.x_origin -= x1 component.y_origin -= y1 # c.position = [ c.x - x1, c.y - y1 ] elif isinstance(c, (Polygon, BSpline)): print "Points:", c.points
python
{ "resource": "" }
q276790
Edge._on_drawing
test
def _on_drawing(self, object, name, old, new): """ Handles the containers of drawing components being set. """ attrs = [ "drawing", "arrowhead_drawing" ] others = [getattr(self, a) for a in attrs \ if (a != name) and (getattr(self, a) is not None)] x, y = self.component.position print "POS:", x, y, self.component.position abs_x = [d.x + x for d in others] abs_y = [d.y + y for d in others] print "ABS:", abs_x, abs_y # Assume that he new drawing is positioned relative to graph origin. x1 = min( abs_x + [new.x] ) y1 = min( abs_y + [new.y] ) print "DRAW:", new.position new.position = [ new.x - x1, new.y - y1 ] print "DRAW:", new.position # for i, b in enumerate( others ): # self.drawing.position = [100, 100] # self.drawing.request_redraw() # print "OTHER:", b.position, abs_x[i] - x1 # b.position = [ abs_x[i] - x1, abs_y[i] - y1 ] # b.x = 50 # b.y = 50 #
python
{ "resource": "" }
q276791
node_factory
test
def node_factory(**row_factory_kw): """ Give new nodes a unique ID. """ if "__table_editor__" in row_factory_kw: graph = row_factory_kw["__table_editor__"].object ID = make_unique_name("n", [node.ID for node in graph.nodes])
python
{ "resource": "" }
q276792
edge_factory
test
def edge_factory(**row_factory_kw): """ Give new edges a unique ID. """ if "__table_editor__" in row_factory_kw: table_editor = row_factory_kw["__table_editor__"] graph = table_editor.object ID = make_unique_name("node", [node.ID for node in graph.nodes]) n_nodes = len(graph.nodes) IDs = [v.ID for v in graph.nodes] if n_nodes == 0: tail_node = godot.Node(ID=make_unique_name("n", IDs)) head_node = godot.Node(ID=make_unique_name("n", IDs)) elif n_nodes == 1:
python
{ "resource": "" }
q276793
MongoEngineConnection.prepare
test
def prepare(self, context): """Attach this connection's default database to the context using our alias."""
python
{ "resource": "" }
q276794
Node.parse_xdot_drawing_directive
test
def parse_xdot_drawing_directive(self, new): """ Parses the drawing directive, updating the node components. """ components = XdotAttrParser().parse_xdot_data(new) max_x = max( [c.bounds[0] for c in components] + [1] ) max_y = max( [c.bounds[1] for c in components] + [1] )
python
{ "resource": "" }
q276795
Node.parse_xdot_label_directive
test
def parse_xdot_label_directive(self, new): """ Parses the label drawing directive, updating the label components. """ components = XdotAttrParser().parse_xdot_data(new) pos_x = min( [c.x for c in components] ) pos_y = min( [c.y for c in components] ) move_to_origin(components)
python
{ "resource": "" }
q276796
Node._drawing_changed
test
def _drawing_changed(self, old, new): """ Handles the container of drawing components changing. """ if old is not None: self.component.remove( old ) if new is not None: # new.bgcolor="pink" self.component.add( new )
python
{ "resource": "" }
q276797
Node._on_position_change
test
def _on_position_change(self, new): """ Handles the poition of the component changing. """
python
{ "resource": "" }
q276798
Node._pos_changed
test
def _pos_changed(self, new): """ Handles the Graphviz position attribute changing. """ w, h = self.component.bounds
python
{ "resource": "" }
q276799
ContextMenuTool.normal_right_down
test
def normal_right_down(self, event): """ Handles the right mouse button being clicked when the tool is in the 'normal' state. If the event occurred on this tool's component (or any contained component of that component), the method opens a context menu with menu items from any tool of the parent component that implements MenuItemTool interface i.e. has a get_item() method. """ x = event.x y = event.y # First determine what component or components we are going to hittest # on. If our component is a container, then we add
python
{ "resource": "" }