sqlite3-to-mysql.py

#! /usr/bin/env python
import sys


def main():
    sys.stdout.write("SET sql_mode='NO_BACKSLASH_ESCAPES';\n")
    lines = sys.stdin.read().splitlines()
    for line in lines:
        sys.stdout.write(process_line(line))
        sys.stdout.write('\n')
        sys.stdout.flush()


def process_line(line):
    if (line.startswith("PRAGMA") or
            line.startswith("BEGIN TRANSACTION;") or
            line.startswith("COMMIT;") or
            line.startswith("DELETE FROM sqlite_sequence;") or
            line.startswith("INSERT INTO \"sqlite_sequence\"")):
        return ''
    line = line.replace("AUTOINCREMENT", "AUTO_INCREMENT")
    line = line.replace("DEFAULT 't'", "DEFAULT '1'")
    line = line.replace("DEFAULT 'f'", "DEFAULT '0'")
    line = line.replace(",'t'", ",'1'")
    line = line.replace(",'f'", ",'0'")
    in_string = False
    newline = ''
    for c in line:
        if not in_string:
            if c == "'":
                in_string = True
            elif c == '"':
                newline = newline + '`'
                continue
        elif c == "'":
            in_string = False
        newline = newline + c
    return newline


if __name__ == "__main__":
    main()