def __iter__(self):
cur = gv.firstedge(self.parent.handle)
while gv.ok(cur):
yield (decode_page(gv.nameof(gv.tailof(cur))),
decode_page(gv.nameof(gv.headof(cur)))), \
dict(self.graph._iterattrs(cur))
cur = gv.nextedge(self.parent.handle, cur)
def __iter__(self):
""" Iterates over item attributes. """
attr = gv.firstattr(self.handle)
while gv.ok(attr):
yield gv.nameof(attr), \
decode_page(gv.getv(self.handle, attr))
attr = gv.nextattr(self.handle, attr)
def __iter__(self):
""" Iterate over all items, yielding Graphviz.<type> items
"""
handle = self.parent.handle
cur = getattr(gv, "first%s" % self.type)(handle)
nextitem = getattr(gv, "next%s" % self.type)
while gv.ok(cur):
yield self.get(gv.nameof(cur))
cur = nextitem(handle, cur)
def _iterattrs(self, handle=""):
""" Iterate over the attributes of a graph item.
If no handle attribute is given, iterates over the attributes
of the root graph
"""
if not handle:
handle = self.handle
attr = gv.firstattr(handle)
while gv.ok(attr):
yield gv.nameof(attr), decode_page(gv.getv(handle, attr))
attr = gv.nextattr(handle, attr)
def __str__(self):
return "(u'" + decode_page(gv.nameof(gv.tailof(self.handle))) + \
"', u'" + decode_page(gv.nameof(gv.headof(self.handle))) + "')"
def __str__(self):
""" Returns item name. """
return "u'" + decode_page(gv.nameof(self.handle)) + "'"
