RhodeCode / rhodecode / lib / colored_formatter.py

import logging

BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE = xrange(30, 38)

# Sequences
RESET_SEQ = "\033[0m"
COLOR_SEQ = "\033[0;%dm"
BOLD_SEQ = "\033[1m"

COLORS = {
    'CRITICAL': MAGENTA,
    'ERROR': RED,
    'WARNING': CYAN,
    'INFO': GREEN,
    'DEBUG': BLUE,
    'SQL': YELLOW
}


def one_space_trim(s):
    if s.find("  ") == -1:
        return s
    else:
        s = s.replace('  ', ' ')
        return one_space_trim(s)


def format_sql(sql):
    sql = sql.replace('\n', '')
    sql = one_space_trim(sql)
    sql = sql\
        .replace(',', ',\n\t')\
        .replace('SELECT', '\n\tSELECT \n\t')\
        .replace('UPDATE', '\n\tUPDATE \n\t')\
        .replace('DELETE', '\n\tDELETE \n\t')\
        .replace('FROM', '\n\tFROM')\
        .replace('ORDER BY', '\n\tORDER BY')\
        .replace('LIMIT', '\n\tLIMIT')\
        .replace('WHERE', '\n\tWHERE')\
        .replace('AND', '\n\tAND')\
        .replace('LEFT', '\n\tLEFT')\
        .replace('INNER', '\n\tINNER')\
        .replace('INSERT', '\n\tINSERT')\
        .replace('DELETE', '\n\tDELETE')
    return sql


class ColorFormatter(logging.Formatter):

    def __init__(self, *args, **kwargs):
        # can't do super(...) here because Formatter is an old school class
        logging.Formatter.__init__(self, *args, **kwargs)

    def format(self, record):
        """
        Changes record's levelname to use with COLORS enum
        """

        levelname = record.levelname
        start = COLOR_SEQ % (COLORS[levelname])
        def_record = logging.Formatter.format(self, record)
        end = RESET_SEQ

        colored_record = ''.join([start, def_record, end])
        return colored_record


class ColorFormatterSql(logging.Formatter):

    def __init__(self, *args, **kwargs):
        # can't do super(...) here because Formatter is an old school class
        logging.Formatter.__init__(self, *args, **kwargs)

    def format(self, record):
        """
        Changes record's levelname to use with COLORS enum
        """

        start = COLOR_SEQ % (COLORS['SQL'])
        def_record = format_sql(logging.Formatter.format(self, record))
        end = RESET_SEQ

        colored_record = ''.join([start, def_record, end])
        return colored_record
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