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80 lines
2.0 KiB
Python
80 lines
2.0 KiB
Python
from progressbar import ProgressBar, ETA, ReverseBar, Bar
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from collections import namedtuple
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import logging
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class DefaultProgressBar(ProgressBar):
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"""
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progressbar with predefined parameters
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"""
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def __init__(self, maxval, caption=''):
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widgets = [caption, Bar('>'), ' ', ETA(), ' ', ReverseBar('<')]
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super(DefaultProgressBar, self).__init__(
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widgets=widgets, maxval=maxval)
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def progress(gen, caption='', pb_class=DefaultProgressBar):
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"""
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Make a generator that displays a progress bar from
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generator gen, set caption and choose the class to
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use (DefaultProgressBar by default)
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Generator should have __len__ method returning it's
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size.
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Progress bar class constructor should take two
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parameters:
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* generator size
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* progress bar caption.
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It also should have start, update and finish methods.
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"""
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pbar = None
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if len(gen):
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pbar = pb_class(len(gen), caption).start() if pb_class else None
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i = 0
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for elem in gen:
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if pbar:
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pbar.update(i)
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i += 1
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yield(elem)
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if pbar:
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pbar.finish()
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StepperInfo = namedtuple(
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'StepperInfo',
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'loop_count,steps,loadscheme,duration,ammo_count'
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)
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class StepperStatus(object):
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def __init__(self):
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self.log = logging.getLogger(__name__)
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self.info = {
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'loop_count': None,
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'steps': None,
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'loadscheme': None,
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'duration': None,
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'ammo_count': None,
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}
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def publish(self, key, value):
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if key not in self.info:
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raise RuntimeError(
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"Tryed to publish to a non-existent key: %s" % key)
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self.log.info('Published %s to %s', (value, key))
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self.info[key] = value
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def get_stepper_info(self):
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for key in self.info:
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if self.info[key] is None:
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raise RuntimeError(
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"Information for %s is not published yet." % key)
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return StepperInfo(**self.info)
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STATUS = StepperStatus()
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