def write_hypergraph(hgr, colored = False):
"""
Return a string specifying the given hypergraph in DOT Language.
@type hgr: hypergraph
@param hgr: Hypergraph.
@type colored: boolean
@param colored: Whether hyperedges should be colored.
@rtype: string
@return: String specifying the hypergraph in DOT Language.
"""
dotG = pydot.Dot()
if not 'name' in dir(hgr):
dotG.set_name('hypergraph')
else:
dotG.set_name(hgr.name)
colortable = {}
colorcount = 0
# Add all of the nodes first
for node in hgr.nodes():
newNode = pydot.Node(str(node), hyper_node_type = 'hypernode')
dotG.add_node(newNode)
for hyperedge in hgr.hyperedges():
if (colored):
colortable[hyperedge] = colors[colorcount % len(colors)]
colorcount += 1
newNode = pydot.Node(str(hyperedge), hyper_node_type = 'hyperedge', \
color = str(colortable[hyperedge]), \
shape = 'point')
else:
newNode = pydot.Node(str(hyperedge), hyper_node_type = 'hyperedge')
dotG.add_node(newNode)
for link in hgr.links(hyperedge):
newEdge = pydot.Edge(str(hyperedge), str(link))
dotG.add_edge(newEdge)
return dotG.to_string()
python类Node()的实例源码
def create_graph(self):
g = pydot.Dot(graph_type='digraph')
node_map = {}
for h in self.network.topology.hosts:
label = "<<B>%s</B><br/>%d %d<br/>%d>" % (h.name, h.receiving_cap, h.sending_cap, h.amp_factor)
n = pydot.Node(h.name, label=label, style='filled', margin=-0.8, width=0.5, height=0.5,
fontname=self.font_name, fontsize=self.node_fontsize)
if type(h) is Server:
if self.network.victims and h in self.network.victims:
n.set_shape('doublecircle')
else:
n.set_shape('Mcircle')
n.set_fillcolor(self.server_color)
elif type(h) is Router:
if self.network.victims and h in self.network.victims:
n.set_shape('doubleoctagon')
else:
n.set_shape('octagon')
n.set_fillcolor(self.server_color)
else:
if self.network.victims and h in self.network.victims:
n.set_shape('doublecircle')
else:
n.set_shape('circle')
if self.network.attackers and h in self.network.attackers:
n.set_fillcolor(self.attacker_color)
else:
n.set_fillcolor(self.host_color)
g.add_node(n)
node_map[h] = n
for l in self.network.topology.links:
v1 = node_map[l.h1]
v2 = node_map[l.h2]
e = pydot.Edge(v1, v2, dir='none', label=str(l.capacity), color=self.link_color, fontcolor=self.link_color,
fontname=self.font_name, fontsize=self.label_size)
g.add_edge(e)
if self.network.flows:
f1 = sum([f.get(l.h1, l.h2) for f in self.network.flows])
f2 = sum([f.get(l.h2, l.h1) for f in self.network.flows])
if f1 > 0:
g.add_edge(self.__create_link_flow(v1, v2, f1))
if f2 > 0:
g.add_edge(self.__create_link_flow(v2, v1, f2))
return g
def model_to_dot(model, show_shapes=False, show_layer_names=True):
dot = pydot.Dot()
dot.set('rankdir', 'TB')
dot.set('concentrate', True)
dot.set_node_defaults(shape='record')
if isinstance(model, Sequential):
if not model.built:
model.build()
model = model.model
layers = model.layers
# Create graph nodes.
for layer in layers:
layer_id = str(id(layer))
# Append a wrapped layer's label to node's label, if it exists.
layer_name = layer.name
class_name = layer.__class__.__name__
if isinstance(layer, Wrapper):
layer_name = '{}({})'.format(layer_name, layer.layer.name)
child_class_name = layer.layer.__class__.__name__
class_name = '{}({})'.format(class_name, child_class_name)
# Create node's label.
if show_layer_names:
label = '{}: {}'.format(layer_name, class_name)
else:
label = class_name
# Rebuild the label as a table including input/output shapes.
if show_shapes:
try:
outputlabels = str(layer.output_shape)
except:
outputlabels = 'multiple'
if hasattr(layer, 'input_shape'):
inputlabels = str(layer.input_shape)
elif hasattr(layer, 'input_shapes'):
inputlabels = ', '.join(
[str(ishape) for ishape in layer.input_shapes])
else:
inputlabels = 'multiple'
label = '%s\n|{input:|output:}|{{%s}|{%s}}' % (label, inputlabels, outputlabels)
node = pydot.Node(layer_id, label=label)
dot.add_node(node)
# Connect nodes with edges.
for layer in layers:
layer_id = str(id(layer))
for i, node in enumerate(layer.inbound_nodes):
node_key = layer.name + '_ib-' + str(i)
if node_key in model.container_nodes:
for inbound_layer in node.inbound_layers:
inbound_layer_id = str(id(inbound_layer))
layer_id = str(id(layer))
dot.add_edge(pydot.Edge(inbound_layer_id, layer_id))
return dot
def main(gviz_path, layer_only=False):
graphviz_setup(gviz_path)
graph = pydot.Dot(graph_type='digraph', rankdir="TB")
layer_children = {'CLASS': {'LABEL': {'STYLE': {}},
'LEADER': {'STYLE': {}},
'STYLE': {},
'VALIDATION': {}},
'CLUSTER': {},
'COMPOSITE': {},
'FEATURE': {'POINTS': {}},
'GRID': {},
'JOIN': {},
'METADATA': {},
'PROJECTION': {},
'SCALETOKEN': {'VALUES': {}},
'VALIDATION': {}}
#pprint.pprint(layer_children)
classes = {
"MAP": {"LAYER": layer_children,
'LEGEND': {'LABEL': {}},
'PROJECTION': {},
'QUERYMAP': {},
'REFERENCE': {},
'SCALEBAR': {'LABEL': {}},
'SYMBOL': {},
'WEB': {'METADATA': {}, 'VALIDATION': {}}}}
if layer_only:
root = "LAYER"
classes = classes["MAP"]
fn = "layer_classes"
else:
fn = "map_classes"
root, = classes.keys()
node = pydot.Node(root, style="filled", fillcolor="#33a333", label=root, fontname=FONT, shape="polygon")
graph.add_node(node)
add_children(graph, root, classes[root])
save_file(graph, fn)
def render(self, filename, label='', labelloc='t', labeljust='c',
rankdir="TB", ranksep=0.7,
fontname='Arial', fontsize=24,
use_urls=False,
node_fixedsize='true', nodesep=0.1, node_width=0.85, node_height=0.85, node_fontsize=15,
include_ids=False):
import pydot
# Graph
graph_args = {
"rankdir": rankdir,
"ranksep": ranksep,
"nodesep": nodesep,
"fontname": fontname,
"fontsize": fontsize,
}
if label:
graph_args.update({
"labelloc": labelloc,
"labeljust": labeljust,
"label": label
})
graph = pydot.Dot(**graph_args)
# Node
node_args = {
"fontsize": node_fontsize,
}
if use_urls:
node_seed_shape = 'rectangle'
node_shape = 'oval'
else:
node_seed_shape = 'square'
node_shape = 'circle'
node_args.update({
"fixedsize": node_fixedsize,
"width": node_width,
"height": node_height,
})
graph.set_node_defaults(**node_args)
for page in self.pages:
graph.add_node(pydot.Node(name=self._clean_page_name(page, include_id=include_ids),
fontname=fontname,
fontsize=node_fontsize,
shape=node_seed_shape if page.is_seed else node_shape))
for link in page.links:
graph.add_edge(pydot.Edge(self._clean_page_name(page, include_id=include_ids),
self._clean_page_name(link, include_id=include_ids)))
graph.write_png(filename)
def createConfigurationGraph(modules, selectedmods, moddb, filename):
graph = pydot.Dot(graph_name="G", graph_type='digraph')
nodes = dict()
# add modules as nodes
for mod in modules:
tt = ", ".join(mod.provides) + " "
if mod.name in selectedmods:
fc = "#BEF781"
else:
fc = "white"
if moddb.getConflictingModules(mod):
nc = "#DF0101"
else:
nc = "black"
node = pydot.Node(mod.name, tooltip=tt,
style='filled', fillcolor=fc, color=nc, fontcolor=nc)
# node = pydot.Node(mod.name)
nodes[mod.name] = node
graph.add_node(node)
# add directed edges from modules to modules that satisfy at least one dependency
for src in modules:
dstmods = moddb.getSolutionCandidates(src)
#print(str(src) + ' --> ' + str(dstmods))
# don't show modules that are not in 'modules'
for dst in dstmods:
if dst not in modules: continue
tt = ", ".join(dstmods[dst]) + " "
edge = pydot.Edge(src.name, dst.name, tooltip=tt)
# edge = pydot.Edge(src.name, dst.name)
graph.add_edge(edge)
# add special directed edges for "modules" inclusion
for src in modules:
for dstname in src.modules:
dst = moddb[dstname]
edge = pydot.Edge(src.name, dst.name, color="green")
graph.add_edge(edge)
graph.write(filename)
def push_edge_stmt(str, loc, toks):
tok_attrs = [a for a in toks if isinstance(a, P_AttrList)]
attrs = {}
for a in tok_attrs:
attrs.update(a.attrs)
e = []
if isinstance(toks[0][0], pydot.Graph):
n_prev = pydot.frozendict(toks[0][0].obj_dict)
else:
n_prev = toks[0][0] + do_node_ports( toks[0] )
if isinstance(toks[2][0], ParseResults):
n_next_list = [[n.get_name(),] for n in toks[2][0] ]
for n_next in [n for n in n_next_list]:
n_next_port = do_node_ports(n_next)
e.append(pydot.Edge(n_prev, n_next[0]+n_next_port, **attrs))
elif isinstance(toks[2][0], pydot.Graph):
e.append(pydot.Edge(n_prev, pydot.frozendict(toks[2][0].obj_dict), **attrs))
elif isinstance(toks[2][0], pydot.Node):
node = toks[2][0]
if node.get_port() is not None:
name_port = node.get_name() + ":" + node.get_port()
else:
name_port = node.get_name()
e.append(pydot.Edge(n_prev, name_port, **attrs))
elif isinstance(toks[2][0], type('')):
for n_next in [n for n in tuple(toks)[2::2]]:
if isinstance(n_next, P_AttrList) or not isinstance(n_next[0], type('')):
continue
n_next_port = do_node_ports( n_next )
e.append(pydot.Edge(n_prev, n_next[0]+n_next_port, **attrs))
n_prev = n_next[0]+n_next_port
else:
# UNEXPECTED EDGE TYPE
pass
return e
def model_to_dot(model, show_shapes=False, show_layer_names=True):
dot = pydot.Dot()
dot.set('rankdir', 'TB')
dot.set('concentrate', True)
dot.set_node_defaults(shape='record')
if model.__class__.__name__ == 'Sequential':
if not model.built:
model.build()
model = model.model
layers = model.layers
# first, populate the nodes of the graph
for layer in layers:
layer_id = str(id(layer))
if show_layer_names:
label = str(layer.name) + ' (' + layer.__class__.__name__ + ')'
else:
label = layer.__class__.__name__
if show_shapes:
# Build the label that will actually contain a table with the
# input/output
try:
outputlabels = str(layer.output_shape)
except:
outputlabels = 'multiple'
if hasattr(layer, 'input_shape'):
inputlabels = str(layer.input_shape)
elif hasattr(layer, 'input_shapes'):
inputlabels = ', '.join(
[str(ishape) for ishape in layer.input_shapes])
else:
inputlabels = 'multiple'
label = '%s\n|{input:|output:}|{{%s}|{%s}}' % (label, inputlabels, outputlabels)
node = pydot.Node(layer_id, label=label)
dot.add_node(node)
# second, add the edges
for layer in layers:
layer_id = str(id(layer))
for i, node in enumerate(layer.inbound_nodes):
node_key = layer.name + '_ib-' + str(i)
if node_key in model.container_nodes:
# add edges
for inbound_layer in node.inbound_layers:
inbound_layer_id = str(id(inbound_layer))
layer_id = str(id(layer))
dot.add_edge(pydot.Edge(inbound_layer_id, layer_id))
return dot
def generate(self):
if not self.__schema:
return None
for database in self.__schema:
for table in self.__schema[database]:
graph = pydot.Dot(graph_type='digraph')
main_node_name = "{}.{}".format(database, table['table'])
graph.add_node(
pydot.Node(main_node_name, style="filled",
fillcolor="#CCCCCC")
)
for field in table['fields']:
if not field['metadata']:
continue
if 'reference' not in field['metadata']:
continue
related_table = "{}.{}".format(
field['metadata']['reference']['database'],
field['metadata']['reference']['table']
)
graph.add_node(
pydot.Node(related_table, style="filled",
fillcolor="#FFFFFF")
)
# add relationship
relationship = "{} -> {}".format(
field['name'],
field['metadata']['reference']['field']
)
graph.add_edge(
pydot.Edge(
main_node_name, related_table, label=relationship
)
)
full_path = os.path.join(
self.__output_path, 'graph_img'
)
if not os.path.exists(full_path):
os.makedirs(full_path)
final_path = os.path.join(
full_path, '{}.png'.format(main_node_name)
)
graph.write_png(final_path)
graph = None