1 # Copyright 2012 GRNET S.A. All rights reserved.
3 # Redistribution and use in source and binary forms, with or
4 # without modification, are permitted provided that the following
7 # 1. Redistributions of source code must retain the above
8 # copyright notice, this list of conditions and the following
11 # 2. Redistributions in binary form must reproduce the above
12 # copyright notice, this list of conditions and the following
13 # disclaimer in the documentation and/or other materials
14 # provided with the distribution.
16 # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
17 # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
20 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
23 # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24 # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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26 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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30 # documentation are those of the authors and should not be
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32 # or implied, of GRNET S.A.
34 from image_creator.output import Output
37 from colors import red, green, yellow
38 from progress.bar import Bar
41 def output(msg, new_line, decorate, stream):
42 nl = "\n" if new_line else ' '
43 stream.write(decorate(msg) + nl)
46 def error(msg, new_line, colored, stream):
47 color = red if colored else lambda x: x
48 output("Error: %s" % msg, new_line, color, stream)
51 def warn(msg, new_line, colored, stream):
52 color = yellow if colored else lambda x: x
53 output("Warning: %s" % msg, new_line, color, stream)
56 def success(msg, new_line, colored, stream):
57 color = green if colored else lambda x: x
58 output(msg, new_line, color, stream)
64 stream.write('\033[H\033[2J')
67 class SilentOutput(Output):
71 class SimpleOutput(Output):
72 def __init__(self, colored=True, stream=None):
73 self.colored = colored
74 self.stream = sys.stderr if stream is None else stream
76 def error(self, msg, new_line=True):
77 error(msg, new_line, self.colored, self.stream)
79 def warn(self, msg, new_line=True):
80 warn(msg, new_line, self.colored, self.stream)
82 def success(self, msg, new_line=True):
83 success(msg, new_line, self.colored, self.stream)
85 def output(self, msg='', new_line=True):
86 output(msg, new_line, lambda x: x, self.stream)
92 class OutputWthProgress(SimpleOutput):
97 'default': '%(index)d/%(max)d',
98 'percent': '%(percent)d%%',
99 'b': '%(index)d/%(max)d B',
100 'kb': '%(index)d/%(max)d KB',
101 'mb': '%(index)d/%(max)d MB'
104 def __init__(self, size, title, bar_type='default'):
105 self.hide_cursor = False
106 super(OutputWthProgress._Progress, self).__init__()
109 self.bar_prefix = ' ['
110 self.bar_suffix = '] '
111 self.message = ("%s:" % self.title).ljust(self.MESSAGE_LENGTH)
112 self.suffix = self.template[bar_type]
115 # print empty progress bar
118 def success(self, result):
119 self.output.output("\r%s...\033[K" % self.title, False)
120 self.output.success(result)
122 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :