def _parse(self, lines):
c = None
for index, line in enumerate(lines):
if self._should_skip_line(line, index, c): # allow child classes to skip lines based on the content
continue
if self._is_timeframe_line(line):
try:
start, end = self._parse_timeframe_line(line)
except MalformedCaptionError as e:
raise MalformedCaptionError('{} in line! {}'.format(e, index + 1))
c = Caption(start, end)
elif line:
if c is None:
raise MalformedCaptionError('Caption missing timeframe in line {}.'.format(index + 1))
else:
c.add_line(line)
else:
if c is None:
continue
if not c.lines:
raise MalformedCaptionError('Caption missing text in line {}.'.format(index + 1))
self.captions.append(c)
c = None
if c is not None and c.lines:
self.captions.append(c)
def _parse_cue_block(self, block):
caption = Caption()
cue_timings = None
for line_number, line in enumerate(block.lines):
if self._is_cue_timings_line(line):
if cue_timings is None:
try:
cue_timings = self._parse_timeframe_line(line)
except MalformedCaptionError as e:
raise MalformedCaptionError('{} in line {}'.format(
e, block.line_number + line_number))
else:
raise MalformedCaptionError(
'--> found in line {}'.format(block.line_number +
line_number))
elif line_number == 0:
caption.identifier = line
else:
caption.add_line(line)
caption.start = cue_timings[0]
caption.end = cue_timings[1]
return caption