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Python Queue.pop方法代码示例

本文整理汇总了Python中pyLibrary.thread.threads.Queue.pop方法的典型用法代码示例。如果您正苦于以下问题:Python Queue.pop方法的具体用法?Python Queue.pop怎么用?Python Queue.pop使用的例子?那么, 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pyLibrary.thread.threads.Queue的用法示例。


在下文中一共展示了Queue.pop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: TextLog_usingQueue

# 需要导入模块: from pyLibrary.thread.threads import Queue [as 别名]
# 或者: from pyLibrary.thread.threads.Queue import pop [as 别名]
class TextLog_usingQueue(TextLog):

    def __init__(self, name=None):
        queue_name = "log messages to queue"
        if name:
            queue_name += " "+name
        self.queue = Queue(queue_name)

    def write(self, template, params):
        self.queue.add(expand_template(template, params))

    def stop(self):
        self.queue.close()

    def pop(self):
        lines = self.queue.pop()
        output = []
        for l in lines.split("\n"):
            if l[19:22] == " - ":
                l = l[22:]
            if l.strip().startswith("File"):
                continue
            output.append(l)
        return "\n".join(output).strip()
开发者ID:klahnakoski,项目名称:MoDataSubmission,代码行数:26,代码来源:log_usingQueue.py

示例2: Sqlite

# 需要导入模块: from pyLibrary.thread.threads import Queue [as 别名]
# 或者: from pyLibrary.thread.threads.Queue import pop [as 别名]
class Sqlite(object):

    canonical = None

    def __init__(self, db=None):
        """
        :param db:  Optional, wrap a sqlite db in a thread
        :return: Multithread save database
        """
        self.db = None
        self.queue = Queue("sql commands")   # HOLD (command, result, signal) PAIRS
        self.worker = Thread.run("sqlite db thread", self._worker)
        self.get_trace = DEBUG

    def execute(self, command):
        """
        COMMANDS WILL BE EXECUTED IN THE ORDER THEY ARE GIVEN
        BUT CAN INTERLEAVE WITH OTHER TREAD COMMANDS
        :param command: COMMAND FOR SQLITE
        :return: None
        """
        if self.get_trace:
            trace = extract_stack(1)
        else:
            trace = None
        self.queue.add((command, None, None, trace))

    def query(self, command):
        """
        WILL STALL CALLING THREAD UNTIL THE command IS COMPLETED
        :param command: COMMAND FOR SQLITE
        :return: list OF RESULTS
        """
        signal = Signal()
        result = Dict()
        self.queue.add((command, result, signal, None))
        signal.wait_for_go()
        if result.exception:
            Log.error("Problem with Sqlite call", cause=result.exception)
        return result

    def _worker(self, please_stop):
        if Sqlite.canonical:
            self.db = Sqlite.canonical
        else:
            self.db = sqlite3.connect(':memory:')

        try:
            while not please_stop:
                if DEBUG:
                    Log.note("begin pop")
                command, result, signal, trace = self.queue.pop()
                if DEBUG:
                    Log.note("done pop")

                if DEBUG:
                    Log.note("Running command\n{{command|indent}}", command=command)
                with Timer("Run command", debug=DEBUG):
                    if signal is not None:
                        try:
                            curr = self.db.execute(command)
                            result.meta.format = "table"
                            result.data = curr.fetchall()
                        except Exception, e:
                            e=Except.wrap(e)
                            result.exception = Except(ERROR, "Problem with\n{{command|indent}}", command=command, cause=e)
                        finally:
                            signal.go()
开发者ID:klahnakoski,项目名称:MoDataSubmission,代码行数:70,代码来源:sqlite.py


注:本文中的pyLibrary.thread.threads.Queue.pop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。