(Siehe: http://www.python-forum.de/viewtopic.ph ... 00#p244600 )Code: Alles auswählen
#!/usr/bin/env python
# coding: ISO-8859-1
import math
class TextLevelMeter(object):
"""
>>> tl = TextLevelMeter(255, 9)
>>> tl.feed(0)
'| * |'
>>> tl.feed(128)
'| | * |'
>>> tl.feed(255)
'| | *|'
>>> tl.feed(-128)
'| * | |'
>>> tl.feed(-255)
'|* | |'
>>> tl = TextLevelMeter(255, 74)
>>> tl.feed(0)
'| * |'
>>> tl.feed(128)
'| | * |'
>>> tl.feed(255)
'| | *|'
>>> tl.feed(-128)
'| * | |'
>>> tl.feed(-255)
'|* | |'
"""
def __init__(self, max_value, width):
self.max_value = max_value
fill_len = int(round(((width - 3) / 2)))
fill = " " * fill_len
self.source_msg = "|" + fill + "|" + fill + "|"
self.offset = fill_len + 1
self.max_width = fill_len
def feed(self, value):
value = int(round(
float(value) / self.max_value * self.max_width + self.offset
))
return self.source_msg[:value] + "*" + self.source_msg[value + 1:]
if __name__ == "__main__":
import doctest
print doctest.testmod()
count = 32
max_value = 255
width = 79
tl = TextLevelMeter(max_value, width)
for index in xrange(0, count + 1):
angle = 360.0 / count * index
y = math.sin(math.radians(angle)) * max_value
y = round(y)
print tl.feed(y)
#~ print "%i - %.1f° %i" % (index, angle, y)Code: Alles auswählen
TestResults(failed=0, attempted=12)
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| * |Verbesserungsvorschläge?