def _find_edge_from_path_to_segment(self, path, oriented_segment):
edges = []
for edge in oriented_segment.line.edges:
if (edge.sid1 == oriented_segment and edge.sid2 == path[-1]) or \
(edge.sid1 == path[-1] and edge.sid2 == oriented_segment):
edges.append(gfapy.OrientedLine(edge, "+"))
elif (edge.sid1 == oriented_segment.inverted() and
edge.sid2 == path[-1].inverted()) or\
(edge.sid1 == path[-1].inverted() and
edge.sid2 == oriented_segment.inverted()):
edges.append(gfapy.OrientedLine(edge, "-"))
if len(edges) == 0:
raise gfapy.NotFoundError(
"Path is not valid, segments are not contiguous\n" +
"Line: {}\n".format(self) + "Previous elements:\n" +
"".join([" {} ({})\n".format(e, e.line)
for e in path]) + "Current element:\n" +
" {} ({})\n".format(oriented_segment, oriented_segment.line))
elif len(edges) > 1:
raise gfapy.NotUniqueError(
"Path is not unique\n" + "Line: {}\n".format(self) +
"Previous elements:\n" +
"".join([" {} ({})\n".format(e, e.line)
for e in path]) + "Current element:\n" +
" {} ({})\n".format(oriented_segment, oriented_segment.line) +
"Possible edges\n" +
"".join([" {} ({})\n".format(e, e.line) for e in edges]))
return edges[0]
def _process_not_unique(self, previous):
"""
.. note::
SUBCLASSES may overwrite this method
if some kind of non unique lines shall be
tolerated or handled differently (eg complement links)
"""
raise gfapy.NotUniqueError(
"Line: {}\n".format(str(self))+
"Line or ID not unique\n"+
"Matching previous line: {}".format(str(previous))
)
def _initialize_tag(self, n, t, s, errmsginfo=None):
if (self.vlevel > 0):
if n in self._data:
raise gfapy.NotUniqueError(
"Tag {} found multiple times".format(n))
elif self._is_predefined_tag(n):
self._validate_predefined_tag_type(n, t)
else:
self._validate_custom_tagname(n)
self._datatype[n] = t
else:
if not self._field_datatype(t):
self._datatype[n] = t
self._init_field_value(n, t, s, errmsginfo=errmsginfo)
def _import_tags_of_previous_group_definition(self, previous):
for tag in previous.tagnames:
prv = previous.get(tag)
cur = self.get(tag)
if cur:
if cur != prv:
raise gfapy.NotUniqueError(
"Same tag defined differently in " +
"multiple group lines with same ID\n" +
"Previous tag definition: {}\n".format(prv) +
"New tag definition: {}\n".format(cur) +
"Group ID: {}".format(self.name))
else:
self.set(tag, prv)