def parseMultipleTextData()

in src/pycalendar/vcard/card.py [0:0]
39 lines of code
22 McCabe index (conditional complexity)

    def parseMultipleTextData(cls, ins):

        if isinstance(ins, str):
            ins = StringIO(ins)

        results = []

        card = cls(add_defaults=False)

        LOOK_FOR_VCARD = 0
        GET_PROPERTY = 1

        state = LOOK_FOR_VCARD

        # Get lines looking for start of calendar
        lines = [None, None]

        while readFoldedLine(ins, lines):

            line = lines[0]
            if state == LOOK_FOR_VCARD:

                # Look for start
                if line == card.getBeginDelimiter():
                    # Next state
                    state = GET_PROPERTY

                # Handle blank line
                elif len(line) == 0:
                    # Raise if requested, otherwise just ignore
                    if ParserContext.BLANK_LINES_IN_DATA == ParserContext.PARSER_RAISE:
                        raise InvalidData("vCard data has blank lines")

                # Unrecognized data
                else:
                    raise InvalidData("vCard data not recognized", line)

            elif state == GET_PROPERTY:

                # Look for end of object
                if line == card.getEndDelimiter():

                    # Finalise the current calendar
                    card.finalise()

                    # Validate some things
                    if not card.hasProperty("VERSION"):
                        raise InvalidData("vCard missing VERSION", "")

                    results.append(card)

                    # Change state
                    card = Card(add_defaults=False)
                    state = LOOK_FOR_VCARD

                # Blank line
                elif len(line) == 0:
                    # Raise if requested, otherwise just ignore
                    if ParserContext.BLANK_LINES_IN_DATA == ParserContext.PARSER_RAISE:
                        raise InvalidData("vCard data has blank lines")

                # Must be a property
                else:

                    # Parse parameter/value for top-level calendar item
                    prop = Property.parseText(line)

                    # Check for valid property
                    if not card.validProperty(prop):
                        raise InvalidData("Invalid property", str(prop))
                    else:
                        card.addProperty(prop)

        # Check for truncated data
        if state != LOOK_FOR_VCARD:
            raise InvalidData("vCard data not complete")

        return results