root / image_creator / output.py @ e77e66a9
History | View | Annotate | Download (4.2 kB)
1 |
# Copyright 2012 GRNET S.A. All rights reserved.
|
---|---|
2 |
#
|
3 |
# Redistribution and use in source and binary forms, with or
|
4 |
# without modification, are permitted provided that the following
|
5 |
# conditions are met:
|
6 |
#
|
7 |
# 1. Redistributions of source code must retain the above
|
8 |
# copyright notice, this list of conditions and the following
|
9 |
# disclaimer.
|
10 |
#
|
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.
|
15 |
#
|
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
|
25 |
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
26 |
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
27 |
# POSSIBILITY OF SUCH DAMAGE.
|
28 |
#
|
29 |
# The views and conclusions contained in the software and
|
30 |
# documentation are those of the authors and should not be
|
31 |
# interpreted as representing official policies, either expressed
|
32 |
# or implied, of GRNET S.A.
|
33 |
|
34 |
import sys |
35 |
from progress.bar import Bar |
36 |
from colors import red, green, yellow |
37 |
|
38 |
|
39 |
def error(msg, new_line=True): |
40 |
nl = "\n" if new_line else '' |
41 |
sys.stderr.write(red('Error: %s' % msg) + nl)
|
42 |
|
43 |
|
44 |
def warn(msg, new_line=True): |
45 |
nl = "\n" if new_line else '' |
46 |
sys.stderr.write(yellow("Warning: %s" % msg) + nl)
|
47 |
|
48 |
|
49 |
def success(msg, new_line=True): |
50 |
nl = "\n" if new_line else '' |
51 |
sys.stdout.write(green(msg) + nl) |
52 |
if not nl: |
53 |
sys.stdout.flush() |
54 |
|
55 |
|
56 |
def output(msg='', new_line=True): |
57 |
nl = "\n" if new_line else '' |
58 |
sys.stdout.write(msg + nl) |
59 |
if not nl: |
60 |
sys.stdout.flush() |
61 |
|
62 |
|
63 |
class Output(object): |
64 |
def error(self, msg, new_line=True): |
65 |
error(msg, new_line) |
66 |
|
67 |
def warn(self, msg, new_line=True): |
68 |
warn(msg, new_line) |
69 |
|
70 |
def success(self, msg, new_line=True): |
71 |
success(msg, new_line) |
72 |
|
73 |
def output(self, msg='', new_line=True): |
74 |
output(msg, new_line) |
75 |
|
76 |
class Progress(object): |
77 |
def __init__(self, title, bar_type='default'): |
78 |
output("%s..." % title, False) |
79 |
|
80 |
def goto(self, dest): |
81 |
pass
|
82 |
|
83 |
def next(self): |
84 |
pass
|
85 |
|
86 |
def success(self, result): |
87 |
sucess(result) |
88 |
|
89 |
def progress_gen(self, message): |
90 |
|
91 |
progress = getattr(self, 'Progress') |
92 |
|
93 |
def generator(n): |
94 |
progressbar = progress(message, 'default')
|
95 |
|
96 |
for _ in range(n): |
97 |
yield
|
98 |
progressbar.next() |
99 |
|
100 |
progressbar.success('done')
|
101 |
yield
|
102 |
return generator
|
103 |
|
104 |
|
105 |
class Output_with_progress(Output): |
106 |
class Progress(Bar): |
107 |
MESSAGE_LENGTH = 30
|
108 |
|
109 |
template = { |
110 |
'default': '%(index)d/%(max)d', |
111 |
'percent': '%(percent)d%%', |
112 |
'b': '%(index)d/%(max)d B', |
113 |
'kb': '%(index)d/%(max)d KB', |
114 |
'mb': '%(index)d/%(max)d MB' |
115 |
} |
116 |
|
117 |
def __init__(self, title, bar_type='default'): |
118 |
super(Output_with_progress.Progress, self).__init__() |
119 |
self.title = title
|
120 |
self.fill = '#' |
121 |
self.bar_prefix = ' [' |
122 |
self.bar_suffix = '] ' |
123 |
self.message = ("%s:" % self.title).ljust(self.MESSAGE_LENGTH) |
124 |
self.suffix = self.template[bar_type] |
125 |
|
126 |
def success(self, result): |
127 |
output("\r%s... \033[K" % self.title, False) |
128 |
success(result) |
129 |
|
130 |
|
131 |
class Silent(Output): |
132 |
def warn(self, msg, new_line=True): |
133 |
pass
|
134 |
|
135 |
def success(self, msg, new_line=True): |
136 |
pass
|
137 |
|
138 |
def output(self, msg='', new_line=True): |
139 |
pass
|
140 |
|
141 |
class Progress(Output.Progress): |
142 |
def __init__(self, title, bar_type): |
143 |
pass
|
144 |
|
145 |
def success(self, result): |
146 |
pass
|
147 |
|
148 |
# vim: set sta sts=4 shiftwidth=4 sw=4 et ai :
|