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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
# Copyright 2012,2013 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio 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 3, or (at your option)
# any later version.
#
# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
try: import pmt_swig as pmt
except: import pmt
import numpy
#define missing
def pmt_to_tuple(p):
elems = list()
for i in range(pmt.pmt_length(p)):
elem = pmt.pmt_tuple_ref(p, i)
elems.append(pmt_to_python(elem))
return tuple(elems)
def pmt_from_tuple(p):
args = map(python_to_pmt, p)
return pmt.pmt_make_tuple(*args)
def pmt_to_vector(p):
v = list()
for i in range(pmt.pmt_length(p)):
elem = pmt.pmt_vector_ref(p, i)
v.append(pmt_to_python(elem))
return v
def pmt_from_vector(p):
v = pmt.pmt_make_vector(len(p), pmt.PMT_NIL)
for i, elem in enumerate(p):
pmt.pmt_vector_set(v, i, python_to_pmt(elem))
return v
def pmt_to_dict(p):
d = dict()
items = pmt.pmt_dict_items(p)
for i in range(pmt.pmt_length(items)):
pair = pmt.pmt_nth(i, items)
k = pmt.pmt_car(pair)
v = pmt.pmt_cdr(pair)
d[pmt_to_python(k)] = pmt_to_python(v)
return d
def pmt_from_dict(p):
d = pmt.pmt_make_dict()
for k, v in p.iteritems():
#dict is immutable -> therefore pmt_dict_add returns the new dict
d = pmt.pmt_dict_add(d, python_to_pmt(k), python_to_pmt(v))
return d
def numpy_to_blob(p):
p = p.view(numpy.uint8)
b = pmt.pmt_make_blob(len(p))
pmt.pmt_blob_data(b)[:] = p
return b
THE_TABLE = ( #python type, check pmt type, to python, from python
(None, pmt.pmt_is_null, lambda x: None, lambda x: pmt.PMT_NIL),
(bool, pmt.pmt_is_bool, pmt.pmt_to_bool, pmt.pmt_from_bool),
(str, pmt.pmt_is_symbol, pmt.pmt_symbol_to_string, pmt.pmt_string_to_symbol),
(int, pmt.pmt_is_integer, pmt.pmt_to_long, pmt.pmt_from_long),
(long, pmt.pmt_is_uint64, lambda x: long(pmt.pmt_to_uint64(x)), pmt.pmt_from_uint64),
(float, pmt.pmt_is_real, pmt.pmt_to_double, pmt.pmt_from_double),
(complex, pmt.pmt_is_complex, pmt.pmt_to_complex, pmt.pmt_from_complex),
(tuple, pmt.pmt_is_tuple, pmt_to_tuple, pmt_from_tuple),
(list, pmt.pmt_is_vector, pmt_to_vector, pmt_from_vector),
(dict, pmt.pmt_is_dict, pmt_to_dict, pmt_from_dict),
(numpy.ndarray, pmt.pmt_is_blob, pmt.pmt_blob_data, numpy_to_blob),
)
def pmt_to_python(p):
for python_type, pmt_check, to_python, from_python in THE_TABLE:
if pmt_check(p): return to_python(p)
return p #give up, we return the same
def python_to_pmt(p):
for python_type, pmt_check, to_python, from_python in THE_TABLE:
if python_type is None:
if p == None: return from_python(p)
elif isinstance(p, python_type): return from_python(p)
return p #give up, we return the same
|
