mirror of https://github.com/pypa/pip
71 lines
1.7 KiB
Python
71 lines
1.7 KiB
Python
from __future__ import absolute_import
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from __future__ import division
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import itertools
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import sys
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from pip.utils import format_size
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from pip.utils.logging import get_indentation
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from pip._vendor.progress.bar import Bar
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from pip._vendor.progress.helpers import WritelnMixin
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from pip._vendor.progress.spinner import Spinner
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class DownloadProgressMixin(object):
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def __init__(self, *args, **kwargs):
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super(DownloadProgressMixin, self).__init__(*args, **kwargs)
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self.message = (" " * (get_indentation() + 2)) + self.message
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@property
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def downloaded(self):
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return format_size(self.index)
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@property
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def download_speed(self):
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return format_size(1 / self.avg) + "/s"
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@property
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def pretty_eta(self):
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if self.eta:
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return "eta %s" % self.eta_td
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return ""
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def iter(self, it, n=1):
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for x in it:
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yield x
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self.next(n)
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self.finish()
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class DownloadProgressBar(DownloadProgressMixin, Bar):
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file = sys.stdout
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message = "%(percent)d%%"
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suffix = "%(downloaded)s %(download_speed)s %(pretty_eta)s"
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class DownloadProgressSpinner(DownloadProgressMixin, WritelnMixin, Spinner):
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file = sys.stdout
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suffix = "%(downloaded)s %(download_speed)s"
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def next_phase(self):
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if not hasattr(self, "_phaser"):
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self._phaser = itertools.cycle(self.phases)
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return next(self._phaser)
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def update(self):
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message = self.message % self
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phase = self.next_phase()
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suffix = self.suffix % self
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line = ''.join([
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message,
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" " if message else "",
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phase,
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" " if suffix else "",
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suffix,
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])
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self.writeln(line)
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