Mercurial > kallithea
view pylons_app/lib/timerproxy.py @ 507:f420e86db893
drastic speed improvment in feed generation (was using old method)
author | Marcin Kuzminski <marcin@python-works.com> |
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date | Mon, 27 Sep 2010 03:13:05 +0200 |
parents | b4d9680cd164 |
children |
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from sqlalchemy.interfaces import ConnectionProxy import time from sqlalchemy import log BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE = xrange(30, 38) def color_sql(sql): COLOR_SEQ = "\033[1;%dm" COLOR_SQL = YELLOW normal = '\x1b[0m' return COLOR_SEQ % COLOR_SQL + sql + normal 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 = color_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 TimerProxy(ConnectionProxy): def __init__(self): super(TimerProxy, self).__init__() self.logging_name = 'timerProxy' self.log = log.instance_logger(self, True) def cursor_execute(self, execute, cursor, statement, parameters, context, executemany): now = time.time() try: self.log.info(">>>>> STARTING QUERY >>>>>") return execute(cursor, statement, parameters, context) finally: total = time.time() - now try: self.log.info(format_sql("Query: %s" % statement % parameters)) except TypeError: self.log.info(format_sql("Query: %s %s" % (statement, parameters))) self.log.info("<<<<< TOTAL TIME: %f <<<<<" % total)