Commit | Line | Data |
---|---|---|
7b8c5132 SM |
1 | # |
2 | # Copyright (C) 2019 EfficiOS Inc. | |
3 | # | |
4 | # This program is free software; you can redistribute it and/or | |
5 | # modify it under the terms of the GNU General Public License | |
6 | # as published by the Free Software Foundation; only version 2 | |
7 | # of the License. | |
8 | # | |
9 | # This program is distributed in the hope that it will be useful, | |
10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | # GNU General Public License for more details. | |
13 | # | |
14 | # You should have received a copy of the GNU General Public License | |
15 | # along with this program; if not, write to the Free Software | |
16 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
17 | # | |
18 | ||
19 | import bt2 | |
20 | ||
21 | ||
22 | def to_string(p): | |
23 | # Print BT values in a predictable way (the order of map entries) and with | |
24 | # additional information (u suffix to differentiate unsigned integers from | |
25 | # signed integers). | |
26 | ||
c7fa6619 | 27 | if type(p) is bt2._ArrayValueConst: |
7b8c5132 | 28 | s = '[{}]'.format(', '.join([to_string(x) for x in p])) |
c7fa6619 | 29 | elif type(p) is bt2._MapValueConst: |
7b8c5132 SM |
30 | s = '{{{}}}'.format( |
31 | ', '.join([k + '=' + to_string(p[k]) for k in sorted(p.keys())]) | |
32 | ) | |
c7fa6619 | 33 | elif type(p) is bt2._UnsignedIntegerValueConst: |
7b8c5132 | 34 | s = str(p) + 'u' |
c7fa6619 SM |
35 | elif ( |
36 | type(p) | |
37 | in ( | |
38 | bt2._StringValueConst, | |
39 | bt2._SignedIntegerValueConst, | |
40 | bt2._RealValueConst, | |
41 | bt2._BoolValueConst, | |
42 | ) | |
43 | or p is None | |
44 | ): | |
7b8c5132 SM |
45 | s = str(p) |
46 | ||
c7fa6619 SM |
47 | else: |
48 | raise TypeError('Unexpected type', type(p)) | |
49 | ||
7b8c5132 SM |
50 | return s |
51 | ||
52 | ||
53 | @bt2.plugin_component_class | |
54 | class SinkThatPrintsParams(bt2._UserSinkComponent): | |
59225a3e | 55 | def __init__(self, config, params, obj): |
7b8c5132 SM |
56 | self._add_input_port('in') |
57 | print(to_string(params)) | |
58 | ||
59 | def _user_consume(self): | |
60 | raise bt2.Stop | |
61 | ||
62 | ||
63 | bt2.register_plugin(__name__, "params") |