def __init__(self, segments, pos_marker=None, name: Optional[str] = None):
# A cache variable for expandable
self._is_expandable = None
# Surrogate name option.
self._surrogate_name = name
if len(segments) == 0:
raise RuntimeError(
"Setting {0} with a zero length segment set. This shouldn't happen."
.format(self.__class__))
if hasattr(segments, "matched_segments"):
# Safely extract segments from a match
self.segments = segments.matched_segments
elif isinstance(segments, tuple):
self.segments = segments
elif isinstance(segments, list):
self.segments = tuple(segments)
else:
raise TypeError(
"Unexpected type passed to BaseSegment: {0}".format(
type(segments)))
if not pos_marker:
# If no pos given, it's the pos of the first segment.
if isinstance(segments, (tuple, list)):
pos_marker = PositionMarker.from_child_markers(
*(seg.pos_marker for seg in segments))
else:
raise TypeError(
"Unexpected type passed to BaseSegment: {0}".format(
type(segments)))
self.pos_marker: PositionMarker = pos_marker
def __init__(self, segments, pos_marker=None):
if len(segments) == 0:
raise RuntimeError(
"Setting {0} with a zero length segment set. This shouldn't happen."
.format(self.__class__))
if hasattr(segments, "matched_segments"):
# Safely extract segments from a match
self.segments = segments.matched_segments
elif isinstance(segments, tuple):
self.segments = segments
elif isinstance(segments, list):
self.segments = tuple(segments)
else:
raise TypeError(
"Unexpected type passed to BaseSegment: {0}".format(
type(segments)))
if pos_marker:
self.pos_marker = pos_marker
else:
# If no pos given, it's the pos of the first segment.
if isinstance(segments, (tuple, list)):
self.pos_marker = PositionMarker.from_child_markers(
*(seg.pos_marker for seg in segments))
else:
raise TypeError(
"Unexpected type passed to BaseSegment: {0}".format(
type(segments)))