def select()

in cc_net/jsonql.py [0:0]

• 12 lines of code
• 8 McCabe index (conditional complexity)

def select(lines, columns, skip_empty=False, separator="\t", newline="\n"):
    """Yields the content of the requested columns."""
    column_parsers = [compile_column(c, newline) for c in columns]
    for doc in read_jsons(lines):
        values = []
        empty = True
        for parse_col in column_parsers:
            v = parse_col(doc)
            values.append(str(v) or "")
            empty = empty and v is None

        if skip_empty and empty:
            continue

        yield separator.join(values)