1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
"""
Copyright 2008 Free Software Foundation, Inc.
This file is part of GNU Radio
GNU Radio Companion is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
GNU Radio Companion is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
"""
##@package grc_gnuradio.utils.convert_hier
#Utility functions to convert a grc hier block to an xml wrapper
from grc_gnuradio.Constants import BLOCK_DTD
from grc import ParseXML
from grc.Utils import odict
def convert_hier(flow_graph, python_file):
#extract info from the flow graph
input_sig = flow_graph.get_input_signature()
output_sig = flow_graph.get_output_signature()
parameters = flow_graph.get_parameters()
block_key = flow_graph.get_option('id')
block_name = flow_graph.get_option('title')
block_category = flow_graph.get_option('category')
block_desc = flow_graph.get_option('description')
block_author = flow_graph.get_option('author')
#build the nested data
block_n = odict()
block_n['name'] = block_name
block_n['key'] = block_key
block_n['category'] = block_category
block_n['import'] = 'execfile("%s")'%python_file
#make data
block_n['make'] = '%s(\n\t%s,\n)'%(
block_key,
',\n\t'.join(['%s=$%s'%(param.get_id(), param.get_id()) for param in parameters]),
)
#callback data
block_n['callback'] = ['set_%s($%s)'%(param.get_id(), param.get_id()) for param in parameters]
#param data
params_n = list()
for param in parameters:
param_n = odict()
param_n['name'] = param.get_param('label').get_value() or param.get_id()
param_n['key'] = param.get_id()
param_n['value'] = param.get_param('value').get_value()
param_n['type'] = 'raw'
params_n.append(param_n)
block_n['param'] = params_n
#sink data
if int(input_sig['nports']):
sink_n = odict()
sink_n['name'] = 'in'
sink_n['type'] = input_sig['type']
sink_n['vlen'] = input_sig['vlen']
sink_n['nports'] = input_sig['nports']
block_n['sink'] = sink_n
#source data
if int(output_sig['nports']):
source_n = odict()
source_n['name'] = 'out'
source_n['type'] = output_sig['type']
source_n['vlen'] = output_sig['vlen']
source_n['nports'] = output_sig['nports']
block_n['source'] = source_n
#doc data
block_n['doc'] = "%s\n%s\n%s"%(block_author, block_desc, python_file)
#write the block_n to file
xml_file = python_file + '.xml'
ParseXML.to_file({'block': block_n}, xml_file)
ParseXML.validate_dtd(xml_file, BLOCK_DTD)
|
