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Python TTYProgressBar.start方法代码示例

本文整理汇总了Python中sunpy.util.progressbar.TTYProgressBar.start方法的典型用法代码示例。如果您正苦于以下问题:Python TTYProgressBar.start方法的具体用法?Python TTYProgressBar.start怎么用?Python TTYProgressBar.start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sunpy.util.progressbar.TTYProgressBar的用法示例。


在下文中一共展示了TTYProgressBar.start方法的1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: Results

# 需要导入模块: from sunpy.util.progressbar import TTYProgressBar [as 别名]
# 或者: from sunpy.util.progressbar.TTYProgressBar import start [as 别名]
class Results(object):
    """ Returned by VSOClient.get. Use .wait to wait
    for completion of download.
    """

    def __init__(self, callback, n=0, done=None):
        self.callback = callback
        self.n = self.total = n
        self.map_ = {}
        self.done = done
        self.evt = threading.Event()
        self.errors = []
        self.lock = threading.RLock()

        self.progress = None

    def submit(self, keys, value):
        """
        Submit

        Parameters
        ----------
        keys : list
            names under which to save the value
        value : object
            value to save
        """
        for key in keys:
            self.map_[key] = value
        self.poke()

    def poke(self):
        """ Signal completion of one item that was waited for. This can be
        because it was submitted, because it lead to an error or for any
        other reason. """
        with self.lock:
            self.n -= 1
            if self.progress is not None:
                self.progress.poke()
            if not self.n:
                if self.done is not None:
                    self.map_ = self.done(self.map_)
                self.callback(self.map_)
                self.evt.set()

    def require(self, keys):
        """ Require that keys be submitted before the Results object is
        finished (i.e., wait returns). Returns a callback method that can
        be used to submit the result by simply calling it with the result.

        keys : list
            name of keys under which to save the result
        """
        with self.lock:
            self.n += 1
            self.total += 1
            return partial(self.submit, keys)

    def wait(self, timeout=100, progress=False):
        """ Wait for result to be complete and return it. """
        # Giving wait a timeout somehow circumvents a CPython bug that the
        # call gets ininterruptible.
        if progress:
            with self.lock:
                self.progress = ProgressBar(self.total, self.total - self.n)
                self.progress.start()
                self.progress.draw()

        while not self.evt.wait(timeout):
            pass
        if progress:
            self.progress.finish()

        return self.map_

    def add_error(self, exception):
        """ Signal a required result cannot be submitted because of an
        error. """
        self.errors.append(exception)
        self.poke()
开发者ID:abooij,项目名称:sunpy,代码行数:82,代码来源:vso.py


注:本文中的sunpy.util.progressbar.TTYProgressBar.start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。