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document.write("<\/pre>\n");
document.write("			<\/td>\n");
document.write("

\n"); document.write("

## by Mark Wolgemuth see http://node.to for details on this<\/span>\n");
document.write("## BSD License style on this<\/span>\n");
document.write("## edited 2009 03 31 to move _LogRecordHelper to inner class of formatter<\/span>\n");
document.write("## edited 2009 04 07 to remove module level static logger: not liked in some appengine setups<\/span>\n");
document.write("\n");
document.write("import<\/span> logging\n");
document.write("from<\/span> google.appengine.ext.db import<\/span> Model, DateTimeProperty, StringProperty, TextProperty, IntegerProperty\n");
document.write("from<\/span> threading import<\/span> RLock\n");
document.write("import<\/span> sys, traceback\n");
document.write("\n");
document.write("_default_identity =<\/span> \'Log2DB\'<\/span>\n");
document.write("_loggers =<\/span> {}<\/span><\/span>\n");
document.write("_mod_lock =<\/span> RLock(<\/span>)<\/span>\n");
document.write("\n");
document.write("# see bottom of module for default logger instance<\/span>\n");
document.write("\n");
document.write("class<\/span> GAEDBLogRecord<\/span>(Model<\/span><\/span>):<\/span>\n");
document.write("    identity =<\/span> StringProperty(<\/span>)<\/span>\n");
document.write("    created =<\/span> DateTimeProperty(auto_now<\/span>=<\/span>True<\/span><\/span>)<\/span>\n");
document.write("    message =<\/span> TextProperty(<\/span>)<\/span>\n");
document.write("    filename =<\/span> StringProperty(<\/span>)<\/span>\n");
document.write("    module =<\/span> StringProperty(<\/span>)<\/span>\n");
document.write("    funcName =<\/span> StringProperty(<\/span>)<\/span>\n");
document.write("    lineno =<\/span> IntegerProperty(<\/span>)<\/span>\n");
document.write("    levelname =<\/span> StringProperty(<\/span>)<\/span>\n");
document.write("\n");
document.write("\n");
document.write("class<\/span> GAEDBFormatter<\/span>(logging.Formatter<\/span><\/span>):<\/span>\n");
document.write("    @staticmethod<\/span><\/span><\/span>\n");
document.write("    def<\/span> _trim_499<\/span>(mystr<\/span><\/span>):<\/span>\n");
document.write("        try<\/span>:\n");
document.write("            if<\/span> (len<\/span>(mystr<\/span>)<\/span> ><\/span> 499<\/span>):\n");
document.write("                return<\/span> mystr[0<\/span>:496<\/span><\/span>]<\/span> +<\/span> \'...\'<\/span>\n");
document.write("        except<\/span>: # catch none<\/span>\n");
document.write("            pass<\/span>\n");
document.write("        return<\/span> mystr\n");
document.write("\n");
document.write("    class<\/span> _LogRecordHelper<\/span>(object<\/span><\/span><\/span>):<\/span>\n");
document.write("        def<\/span> __init__<\/span><\/span>(self<\/span><\/span>):<\/span>\n");
document.write("            self<\/span>.message =<\/span> None<\/span>\n");
document.write("            self<\/span>.pathname =<\/span> None<\/span>\n");
document.write("            self<\/span>.filename =<\/span> None<\/span>\n");
document.write("            self<\/span>.module =<\/span> None<\/span>\n");
document.write("            self<\/span>.funcName =<\/span> None<\/span>\n");
document.write("            self<\/span>.lineno =<\/span> None<\/span>\n");
document.write("            self<\/span>.levelname =<\/span> None<\/span>\n");
document.write("\n");
document.write("    def<\/span> format<\/span>(self<\/span>, rec<\/span><\/span>):<\/span>\n");
document.write("        record =<\/span> self<\/span>._LogRecordHelper(<\/span>)<\/span>\n");
document.write("        record.message =<\/span> rec.getMessage(<\/span>)<\/span>\n");
document.write("        record.pathname =<\/span> self<\/span>._trim_499(rec.pathname<\/span>)<\/span>\n");
document.write("        record.filename =<\/span> self<\/span>._trim_499(rec.filename<\/span>)<\/span>\n");
document.write("        record.module =<\/span> self<\/span>._trim_499(rec.module<\/span>)<\/span>\n");
document.write("        record.funcName =<\/span> self<\/span>._trim_499(rec.funcName<\/span>)<\/span>\n");
document.write("        record.lineno =<\/span> rec.lineno\n");
document.write("        record.levelname =<\/span> rec.levelname\n");
document.write("\n");
document.write("        if<\/span> rec.exc_info:\n");
document.write("            # Cache the traceback text to avoid converting it multiple times<\/span>\n");
document.write("            # (it\'s constant anyway)<\/span>\n");
document.write("            if<\/span> not<\/span> rec.exc_text:\n");
document.write("                rec.exc_text =<\/span> traceback.format_exc(<\/span>)<\/span>\n");
document.write("        #return the original log record untouch, since its going to db<\/span>\n");
document.write("            record.message +=<\/span> "\\n<\/span>"<\/span> +<\/span> rec.exc_text\n");
document.write("        return<\/span> record\n");
document.write("\n");
document.write("class<\/span> GAEDBHandler<\/span>(logging.Handler<\/span><\/span>):<\/span>\n");
document.write("    def<\/span> __init__<\/span><\/span>(self<\/span>, identity<\/span> =<\/span> None<\/span>, *args<\/span>, **kw<\/span><\/span>):<\/span>\n");
document.write("        logging.Handler.__init__<\/span>(self<\/span>, *<\/span>args, *<\/span>*<\/span>kw<\/span>)<\/span>\n");
document.write("        self<\/span>.formatter =<\/span> GAEDBFormatter(<\/span>)<\/span>\n");
document.write("        self<\/span>.logger_identity =<\/span> identity\n");
document.write("\n");
document.write("    def<\/span> emit<\/span>(self<\/span>, record<\/span><\/span>):<\/span>\n");
document.write("        helper =<\/span> self<\/span>.format(record<\/span>)<\/span>\n");
document.write("\n");
document.write("        try<\/span>:\n");
document.write("            rec =<\/span> GAEDBLogRecord(<\/span>)<\/span>\n");
document.write("            rec.identity =<\/span> self<\/span>.logger_identity\n");
document.write("            for<\/span> attr in<\/span> [\'message\'<\/span><\/span>, \'filename\'<\/span><\/span>, \'module\'<\/span><\/span>, \'funcName\'<\/span><\/span>, \'lineno\'<\/span><\/span>, \'levelname\'<\/span><\/span>]<\/span>:\n");
document.write("                try<\/span>:\n");
document.write("                    if<\/span> getattr<\/span>(helper, attr<\/span>)<\/span> is<\/span> not<\/span> None<\/span>:\n");
document.write("                        setattr<\/span>(rec, attr, getattr<\/span>(helper, attr<\/span>)<\/span><\/span>)<\/span>\n");
document.write("                except<\/span> AttributeError<\/span>:\n");
document.write("                    pass<\/span>\n");
document.write("            rec.put(<\/span>)<\/span>\n");
document.write("        except<\/span>:\n");
document.write("            self<\/span>.handleError(record<\/span>)<\/span>\n");
document.write("\n");
document.write("def<\/span> getLogger<\/span>(ident<\/span> =<\/span> _default_identity<\/span>):<\/span>\n");
document.write("    try<\/span>:\n");
document.write("        _mod_lock.acquire(<\/span>)<\/span>\n");
document.write("        if<\/span> _loggers.has_key(ident<\/span>)<\/span>:\n");
document.write("            return<\/span> _loggers[ident<\/span>]<\/span>\n");
document.write("        else<\/span>:\n");
document.write("            logger =<\/span> logging.getLogger(ident<\/span>)<\/span>\n");
document.write("            handler =<\/span> GAEDBHandler(logger.name<\/span>)<\/span>\n");
document.write("            logger.addHandler(handler<\/span>)<\/span>            \n");
document.write("            _loggers[ident<\/span>]<\/span> =<\/span> logger\n");
document.write("            logger.info(\'Log2DB registered identity: %s<\/span> obj: %s<\/span>\'<\/span> %<\/span> (ident, logger)<\/span>)<\/span>\n");
document.write("\n");
document.write("            return<\/span> logger\n");
document.write("    finally<\/span>:\n");
document.write("        _mod_lock.release(<\/span>)<\/span>\n");
document.write("<\/pre><\/pre>\n");
document.write("		<\/td>\n");
document.write("		<\/tr>\n");
document.write("		<\/table>\n");
document.write("	\n");
document.write("	<\/div>\n");
document.write("\n");
document.write("\n");
document.write("  \n");
document.write("  \n");
document.write("  \n");
document.write("    \n");
document.write("      \n");
document.write("      <\/a>\n");
document.write("    <\/div>\n");
document.write("  \n");
document.write("    Pastie #432896<\/a> linked directly from Pastie<\/a>.\n");
document.write("  <\/div><\/div>");