1 # -*- coding: utf-8 -*-
3 # progressbar  - Text progress bar library for Python.
6 # SPDX-License-Identifier: LGPL-2.1-or-later OR BSD-3-Clause-Clear
20 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
61         pbar - a reference to the calling ProgressBar
66     """The base class for all variable width widgets.
70     all have the same width, and together will fill the line.
74     def update(self, pbar, width):  argument
75         """Updates the widget providing the total width the widget must fill.
77         pbar - a reference to the calling ProgressBar
78         width - The total width the widget must fill
82 class Timer(Widget):  class
104 class ETA(Timer):
113             return 'ETA:  --:--:--'
118             eta = elapsed * pbar.maxval / pbar.currval - elapsed
122 class AdaptiveETA(Timer):
146         return elapsed * maxval / float(currval) - elapsed
151             return 'ETA:  --:--:--'
159                 etasamp = self._eta(pbar.maxval - currval1,
160                                     pbar.currval - currval1,
161                                     elapsed - elapsed1)
163                 eta = (1 - weight) * eta + weight * etasamp
180         if pbar.seconds_elapsed < 2e-6 or pbar.currval < 2e-6: # =~ 0
197     def __init__(self, markers='|/-\\'):
199         self.curmark = -1
233 class FormatLabel(Timer):
237         'elapsed': ('seconds_elapsed', Timer.format_time),
286         marker - string or updatable object to use as a marker
287         left - string or updatable object to use as a left border
288         right - string or updatable object to use as a right border
289         fill - character to use for the empty part of the progress bar
290         fill_left - whether to fill from the left or the right
299     def update(self, pbar, width):  argument
305         width -= len(left) + len(right)
308           marked *= int(pbar.currval / pbar.maxval * width)
313             return '%s%s%s' % (left, marked.ljust(width, self.fill), right)
315             return '%s%s%s' % (left, marked.rjust(width, self.fill), right)
325         marker - string or updatable object to use as a marker
326         left - string or updatable object to use as a left border
327         right - string or updatable object to use as a right border
328         fill - character to use for the empty part of the progress bar
329         fill_left - whether to fill from the left or the right
339     def update(self, pbar, width):  argument
345         width -= len(left) + len(right)
347         if pbar.finished: return '%s%s%s' % (left, width * marker, right)
349         position = int(pbar.currval % (width * 2 - 1))
350         if position > width: position = width * 2 - position
351         lpad = self.fill * (position - 1)
352         rpad = self.fill * (width - len(marker) - len(lpad))
367         self.curmark = -1
370     def update(self, pbar, width):  argument
374         width -= len(left) + len(right)
375         if width < 0:
378         if pbar.finished: return '%s%s%s' % (left, width * '=', right)
381         position = int(self.curmark % (width * 2 - 1))
382         if position + len(marker) > width:
386         lpad = ' ' * (position - 1)
387         rpad = ' ' * (width - len(marker) - len(lpad))