def validate(self):
"""Verify that file contents are valid."""
cal = self.calendar
# TODO(jelmer): return the list of errors to the caller
if cal.is_broken:
raise InvalidFileContents(self.content_type, self.content)
if list(validate_calendar(cal, strict=False)):
raise InvalidFileContents(self.content_type, self.content)
def calendar(self):
if self._calendar is None:
try:
self._calendar = Calendar.from_ical(b''.join(self.content))
except ValueError:
raise InvalidFileContents(self.content_type, self.content)
return self._calendar