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Python LoggingContext.__enter__方法代码示例

本文整理汇总了Python中synapse.util.logcontext.LoggingContext.__enter__方法的典型用法代码示例。如果您正苦于以下问题:Python LoggingContext.__enter__方法的具体用法?Python LoggingContext.__enter__怎么用?Python LoggingContext.__enter__使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在synapse.util.logcontext.LoggingContext的用法示例。


在下文中一共展示了LoggingContext.__enter__方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: Measure

# 需要导入模块: from synapse.util.logcontext import LoggingContext [as 别名]
# 或者: from synapse.util.logcontext.LoggingContext import __enter__ [as 别名]
class Measure(object):
    __slots__ = [
        "clock", "name", "start_context", "start", "new_context", "ru_utime",
        "ru_stime", "db_txn_count", "db_txn_duration", "created_context"
    ]

    def __init__(self, clock, name):
        self.clock = clock
        self.name = name
        self.start_context = None
        self.start = None
        self.created_context = False

    def __enter__(self):
        self.start = self.clock.time_msec()
        self.start_context = LoggingContext.current_context()
        if not self.start_context:
            logger.warn("Entered Measure without log context: %s", self.name)
            self.start_context = LoggingContext("Measure")
            self.start_context.__enter__()
            self.created_context = True

        self.ru_utime, self.ru_stime = self.start_context.get_resource_usage()
        self.db_txn_count = self.start_context.db_txn_count
        self.db_txn_duration = self.start_context.db_txn_duration

    def __exit__(self, exc_type, exc_val, exc_tb):
        if exc_type is not None or not self.start_context:
            return

        duration = self.clock.time_msec() - self.start
        block_timer.inc_by(duration, self.name)

        context = LoggingContext.current_context()

        if context != self.start_context:
            logger.warn(
                "Context have unexpectedly changed from '%s' to '%s'. (%r)",
                context, self.start_context, self.name
            )
            return

        if not context:
            logger.warn("Expected context. (%r)", self.name)
            return

        ru_utime, ru_stime = context.get_resource_usage()

        block_ru_utime.inc_by(ru_utime - self.ru_utime, self.name)
        block_ru_stime.inc_by(ru_stime - self.ru_stime, self.name)
        block_db_txn_count.inc_by(
            context.db_txn_count - self.db_txn_count, self.name
        )
        block_db_txn_duration.inc_by(
            context.db_txn_duration - self.db_txn_duration, self.name
        )

        if self.created_context:
            self.start_context.__exit__(exc_type, exc_val, exc_tb)
开发者ID:0-T-0,项目名称:synapse,代码行数:61,代码来源:metrics.py

示例2: Measure

# 需要导入模块: from synapse.util.logcontext import LoggingContext [as 别名]
# 或者: from synapse.util.logcontext.LoggingContext import __enter__ [as 别名]
class Measure(object):
    __slots__ = [
        "clock", "name", "start_context", "start",
        "created_context",
        "start_usage",
    ]

    def __init__(self, clock, name):
        self.clock = clock
        self.name = name
        self.start_context = None
        self.start = None
        self.created_context = False

    def __enter__(self):
        self.start = self.clock.time()
        self.start_context = LoggingContext.current_context()
        if not self.start_context:
            self.start_context = LoggingContext("Measure")
            self.start_context.__enter__()
            self.created_context = True

        self.start_usage = self.start_context.get_resource_usage()

        in_flight.register((self.name,), self._update_in_flight)

    def __exit__(self, exc_type, exc_val, exc_tb):
        if isinstance(exc_type, Exception) or not self.start_context:
            return

        in_flight.unregister((self.name,), self._update_in_flight)

        duration = self.clock.time() - self.start

        block_counter.labels(self.name).inc()
        block_timer.labels(self.name).inc(duration)

        context = LoggingContext.current_context()

        if context != self.start_context:
            logger.warn(
                "Context has unexpectedly changed from '%s' to '%s'. (%r)",
                self.start_context, context, self.name
            )
            return

        if not context:
            logger.warn("Expected context. (%r)", self.name)
            return

        current = context.get_resource_usage()
        usage = current - self.start_usage
        try:
            block_ru_utime.labels(self.name).inc(usage.ru_utime)
            block_ru_stime.labels(self.name).inc(usage.ru_stime)
            block_db_txn_count.labels(self.name).inc(usage.db_txn_count)
            block_db_txn_duration.labels(self.name).inc(usage.db_txn_duration_sec)
            block_db_sched_duration.labels(self.name).inc(usage.db_sched_duration_sec)
        except ValueError:
            logger.warn(
                "Failed to save metrics! OLD: %r, NEW: %r",
                self.start_usage, current
            )

        if self.created_context:
            self.start_context.__exit__(exc_type, exc_val, exc_tb)

    def _update_in_flight(self, metrics):
        """Gets called when processing in flight metrics
        """
        duration = self.clock.time() - self.start

        metrics.real_time_max = max(metrics.real_time_max, duration)
        metrics.real_time_sum += duration
开发者ID:DoubleMalt,项目名称:synapse,代码行数:76,代码来源:metrics.py


注:本文中的synapse.util.logcontext.LoggingContext.__enter__方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。