Aus Backup übernommen: progressbar.py, svgconvert.py, font.cfg (density=200)
This commit is contained in:
Michael Stangl
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# A Python Library to create a Progress Bar.
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# Copyright (C) 2008 BJ Dierkes <wdierkes@5dollarwhitebox.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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#
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# This class is an improvement from the original found at:
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#
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# http://code.activestate.com/recipes/168639/
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#
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import sys,os
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class ProgressBar:
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def __init__(self, min_value = 0, max_value = 100, width=77,**kwargs):
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self.char = kwargs.get('char', '#')
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self.mode = kwargs.get('mode', 'dynamic') # fixed or dynamic
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if not self.mode in ['fixed', 'dynamic']:
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self.mode = 'fixed'
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self.bar = ''
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self.min = min_value
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self.max = max_value
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self.span = max_value - min_value
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self.width = width
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self.amount = 0 # When amount == max, we are 100% done
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self.update_amount(0)
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def increment_amount(self, add_amount = 1):
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"""
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Increment self.amount by 'add_ammount' or default to incrementing
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by 1, and then rebuild the bar string.
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"""
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new_amount = self.amount + add_amount
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if new_amount < self.min: new_amount = self.min
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if new_amount > self.max: new_amount = self.max
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self.amount = new_amount
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self.build_bar()
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def update_amount(self, new_amount = None):
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"""
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Update self.amount with 'new_amount', and then rebuild the bar
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string.
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"""
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if not new_amount: new_amount = self.amount
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if new_amount < self.min: new_amount = self.min
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if new_amount > self.max: new_amount = self.max
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self.amount = new_amount
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self.build_bar()
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def build_bar(self):
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"""
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Figure new percent complete, and rebuild the bar string base on
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self.amount.
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"""
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diff = float(self.amount - self.min)
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percent_done = int(round((diff / float(self.span)) * 100.0))
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# figure the proper number of 'character' make up the bar
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all_full = self.width - 2
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num_hashes = int(round((percent_done * all_full) / 100))
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if self.mode == 'dynamic':
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# build a progress bar with self.char (to create a dynamic bar
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# where the percent string moves along with the bar progress.
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self.bar = self.char * num_hashes
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else:
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# build a progress bar with self.char and spaces (to create a
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# fixe bar (the percent string doesn't move)
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self.bar = self.char * num_hashes + ' ' * (all_full-num_hashes)
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percent_str = str(percent_done) + "%"
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self.bar = '[ ' + self.bar + ' ] ' + percent_str
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def __str__(self):
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return str(self.bar)
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def bufcount(filename):
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if not os.path.exists(filename):
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raise Exception
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try:
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fh = open(filename)
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lines = 0
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buf_size = 1024 * 1024
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read_f = fh.read # loop optimization
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buf = read_f(buf_size)
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while buf:
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lines += buf.count('\n')
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buf = read_f(buf_size)
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finally:
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fh.close()
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return lines
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class EasyProgressBar():
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def __init__(self, filename=None, array=None, show=False):
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if filename:
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NumElems = bufcount(filename)-1
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if array:
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NumElems = len(array)
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if not array and not filename:
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raise Exception
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# initialisiere Progressbar, wenn gewünscht
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if show:
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# zaehle alle Zeilen des Files, das verwendet wird
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# die erste Zeile enthält dabei die Ueberschriften der Spalten
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limit = NumElems-1
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self.prog = ProgressBar(0, limit, 77, mode='dynamic', char='-')
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self.oldprog = str(self.prog)
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else:
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self.prog = False
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def slide_progbar(self):
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if self.prog:
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prog = self.prog
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oldprog = self.oldprog
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prog.increment_amount()
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if oldprog != str(prog):
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print(prog, "\r", end=' ')
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sys.stdout.flush()
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oldprog=str(prog)
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def init_progbar(filename=None, array=None, init=False):
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""" Initialisere die Progressbar
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"""
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from progressbar import ProgressBar, bufcount
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if filename:
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NumElems = bufcount(filename)-1
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if array:
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NumElems = len(array)
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# initialisiere Progressbar, wenn gewünscht
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if init:
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# zaehle alle Zeilen des Files, das verwendet wird
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# die erste Zeile enthält dabei die Ueberschriften der Spalten
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limit = NumElems-1
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prog = ProgressBar(0, limit, 77, mode='dynamic', char='-')
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oldprog = str(prog)
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return (prog, oldprog)
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else:
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return (None, None)
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def slide_progbar(prog, oldprog, init):
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""" verschiebe die Progressbar
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"""
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if init:
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prog.increment_amount()
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if oldprog != str(prog):
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print(prog, "\r", end=' ')
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sys.stdout.flush()
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oldprog=str(prog)
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def main():
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print()
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limit = 1000000
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print('Example 1: Fixed Bar')
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prog = ProgressBar(0, limit, 77, mode='fixed')
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oldprog = str(prog)
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for i in range(limit+1):
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prog.update_amount(i)
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if oldprog != str(prog):
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print(prog, "\r", end=' ')
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sys.stdout.flush()
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oldprog=str(prog)
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print('\n\n')
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print('Example 2: Dynamic Bar')
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prog = ProgressBar(0, limit, 77, mode='dynamic', char='-')
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oldprog = str(prog)
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for i in range(limit+1):
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prog.increment_amount()
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if oldprog != str(prog):
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print(prog, "\r", end=' ')
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sys.stdout.flush()
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oldprog=str(prog)
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print('\n\n')
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if __name__ == '__main__':
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main()
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