def __repr__(self):
return "<{0}: [{1}]>".format(
self.__class__.__name__,
curtail_string(
", ".join(curtail_string(repr(elem), 40) for elem in self._elements),
100,
),
)
def expand(segments, parse_context):
"""Expand the list of child segments using their `parse` methods."""
segs = ()
for stmt in segments:
try:
if not stmt.is_expandable:
parse_context.logger.info(
"[PD:%s] Skipping expansion of %s...",
parse_context.parse_depth,
stmt,
)
segs += (stmt,)
continue
except Exception as err:
# raise ValueError("{0} has no attribute `is_expandable`. This segment appears poorly constructed.".format(stmt))
parse_context.logger.error(
"%s has no attribute `is_expandable`. This segment appears poorly constructed.",
stmt,
)
raise err
if not hasattr(stmt, "parse"):
raise ValueError(
"{0} has no method `parse`. This segment appears poorly constructed.".format(
stmt
)
)
parse_depth_msg = "Parse Depth {0}. Expanding: {1}: {2!r}".format(
parse_context.parse_depth,
stmt.__class__.__name__,
curtail_string(stmt.raw, length=40),
)
parse_context.logger.info(frame_msg(parse_depth_msg))
res = stmt.parse(parse_context=parse_context)
if isinstance(res, BaseSegment):
segs += (res,)
else:
# We might get back an iterable of segments
segs += tuple(res)
# Basic Validation
check_still_complete(segments, segs, ())
return segs
def join_segments_raw_curtailed(segments: Tuple["BaseSegment", ...],
length=20) -> str:
"""Make a string up to a certain length from an iterable of segments."""
return curtail_string(join_segments_raw(segments), length=length)
