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76 lines
1.9 KiB
Python
76 lines
1.9 KiB
Python
#
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# Copyright (C) 2009 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys
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from time import time
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class Progress(object):
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def __init__(self, title, total=0):
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self._title = title
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self._total = total
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self._done = 0
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self._lastp = -1
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self._start = time()
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self._show = False
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self._width = 0
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def update(self, inc=1, extra=''):
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self._done += inc
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if not self._show:
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if 0.5 <= time() - self._start:
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self._show = True
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else:
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return
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text = None
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if self._total <= 0:
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text = '%s: %3d' % (self._title, self._done)
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else:
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p = (100 * self._done) / self._total
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if self._lastp != p:
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self._lastp = p
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text = '%s: %3d%% (%2d/%2d)' % (self._title, p,
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self._done, self._total)
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if text:
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text += ' ' + extra
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spaces = max(self._width - len(text), 0)
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sys.stdout.write('%s%*s\r' % (text, spaces, ''))
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sys.stdout.flush()
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self._width = len(text)
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def end(self):
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if not self._show:
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return
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if self._total <= 0:
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text = '%s: %d, done.' % (
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self._title,
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self._done)
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else:
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p = (100 * self._done) / self._total
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text = '%s: %3d%% (%d/%d), done.' % (
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self._title,
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p,
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self._done,
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self._total)
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spaces = max(self._width - len(text), 0)
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sys.stdout.write('%s%*s\n' % (text, spaces, ''))
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sys.stdout.flush()
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