The Tor Browser / file comparison
comparison: js/src/gdb/progressbar.py
js/src/gdb/progressbar.py
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:9ec3b099cd4a |
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| 1 # This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 # License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 # file, You can obtain one at http://mozilla.org/MPL/2.0/. | |
| 4 | |
| 5 # Text progress bar library, like curl or scp. | |
| 6 | |
| 7 import sys, datetime | |
| 8 | |
| 9 class ProgressBar(object): | |
| 10 def __init__(self, label, limit, label_width=12): | |
| 11 self.label = label | |
| 12 self.limit = limit | |
| 13 self.label_width = label_width | |
| 14 self.cur = 0 | |
| 15 self.t0 = datetime.datetime.now() | |
| 16 self.fullwidth = None | |
| 17 | |
| 18 self.barlen = 64 - self.label_width | |
| 19 self.fmt = '\r%-' + str(label_width) + 's %3d%% %-' + str(self.barlen) + 's| %6.1fs' | |
| 20 | |
| 21 def update(self, value): | |
| 22 self.cur = value | |
| 23 pct = int(100.0 * self.cur / self.limit) | |
| 24 barlen = int(1.0 * self.barlen * self.cur / self.limit) - 1 | |
| 25 bar = '='*barlen + '>' | |
| 26 dt = datetime.datetime.now() - self.t0 | |
| 27 dt = dt.seconds + dt.microseconds * 1e-6 | |
| 28 line = self.fmt%(self.label[:self.label_width], pct, bar, dt) | |
| 29 self.fullwidth = len(line) | |
| 30 sys.stdout.write(line) | |
| 31 sys.stdout.flush() | |
| 32 | |
| 33 # Clear the current bar and leave the cursor at the start of the line. | |
| 34 def clear(self): | |
| 35 if (self.fullwidth): | |
| 36 sys.stdout.write('\r' + ' ' * self.fullwidth + '\r') | |
| 37 self.fullwidth = None | |
| 38 | |
| 39 def finish(self): | |
| 40 self.update(self.limit) | |
| 41 sys.stdout.write('\n') | |
| 42 | |
| 43 if __name__ == '__main__': | |
| 44 pb = ProgressBar('test', 12) | |
| 45 for i in range(12): | |
| 46 pb.update(i) | |
| 47 time.sleep(0.5) | |
| 48 pb.finish() |
