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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
"""
Copyright 2008, 2009 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
"""
from . import odict
from Element import Element
def _get_keys(lst): return [elem.get_key() for elem in lst]
def _get_elem(lst, key):
try: return lst[_get_keys(lst).index(key)]
except ValueError: raise ValueError, 'Key "%s" not found in %s.'%(key, _get_keys(lst))
class Option(Element):
def __init__(self, param, n):
Element.__init__(self, param)
self._name = n.find('name')
self._key = n.find('key')
self._opts = dict()
opts = n.findall('opt')
#test against opts when non enum
try: assert self.get_parent().is_enum() or not opts
except AssertionError: raise Exception, 'Options for non-enum types cannot have sub-options'
#extract opts
for opt in opts:
#separate the key:value
try: key, value = opt.split(':')
except: raise Exception, 'Error separating "%s" into key:value'%opt
#test against repeated keys
try: assert not self._opts.has_key(key)
except AssertionError: raise Exception, 'Key "%s" already exists in option'%key
#store the option
self._opts[key] = value
def __str__(self): return 'Option %s(%s)'%(self.get_name(), self.get_key())
def get_name(self): return self._name
def get_key(self): return self._key
##############################################
# Access Opts
##############################################
def get_opt_keys(self): return self._opts.keys()
def get_opt(self, key): return self._opts[key]
def get_opts(self): return self._opts.values()
class Param(Element):
def __init__(self, block, n):
"""
Make a new param from nested data.
@param block the parent element
@param n the nested odict
"""
#grab the data
self._name = n.find('name')
self._key = n.find('key')
value = n.find('value') or ''
self._type = n.find('type')
self._hide = n.find('hide') or ''
#build the param
Element.__init__(self, block)
#create the Option objects from the n data
self._options = list()
for option in map(lambda o: Option(param=self, n=o), n.findall('option')):
key = option.get_key()
#test against repeated keys
try: assert key not in self.get_option_keys()
except AssertionError: raise Exception, 'Key "%s" already exists in options'%key
#store the option
self.get_options().append(option)
#test the enum options
if self.is_enum():
#test against options with identical keys
try: assert len(set(self.get_option_keys())) == len(self.get_options())
except AssertionError: raise Exception, 'Options keys "%s" are not unique.'%self.get_option_keys()
#test against inconsistent keys in options
opt_keys = self.get_options()[0].get_opt_keys()
for option in self.get_options():
try: assert set(opt_keys) == set(option.get_opt_keys())
except AssertionError: raise Exception, 'Opt keys "%s" are not identical across all options.'%opt_keys
#if a value is specified, it must be in the options keys
self._value = value or self.get_option_keys()[0]
try: assert self.get_value() in self.get_option_keys()
except AssertionError: raise Exception, 'The value "%s" is not in the possible values of "%s".'%(self.get_value(), self.get_option_keys())
else: self._value = value or ''
def validate(self):
"""
Validate the param.
The value must be evaluated and type must a possible type.
"""
Element.validate(self)
try: assert self.get_type() in self.get_types()
except AssertionError: self.add_error_message('Type "%s" is not a possible type.'%self.get_type())
def get_evaluated(self): raise NotImplementedError
def to_code(self):
"""
Convert the value to code.
@throw NotImplementedError
"""
raise NotImplementedError
def get_types(self):
"""
Get a list of all possible param types.
@throw NotImplementedError
"""
raise NotImplementedError
def get_color(self): return '#FFFFFF'
def __str__(self): return 'Param - %s(%s)'%(self.get_name(), self.get_key())
def is_param(self): return True
def get_name(self): return self._name
def get_key(self): return self._key
def get_hide(self): return self.get_parent().resolve_dependencies(self._hide).strip()
def get_value(self):
value = self._value
if self.is_enum() and value not in self.get_option_keys():
value = self.get_option_keys()[0]
self.set_value(value)
return value
def set_value(self, value): self._value = str(value) #must be a string
def get_type(self): return self.get_parent().resolve_dependencies(self._type)
def is_enum(self): return self._type == 'enum'
def __repr__(self):
"""
Get the repr (nice string format) for this param.
Just return the value (special case enum).
Derived classes can handle complex formatting.
@return the string representation
"""
if self.is_enum(): return self.get_option(self.get_value()).get_name()
return self.get_value()
##############################################
# Access Options
##############################################
def get_option_keys(self): return _get_keys(self.get_options())
def get_option(self, key): return _get_elem(self.get_options(), key)
def get_options(self): return self._options
##############################################
# Access Opts
##############################################
def get_opt_keys(self): return self.get_option(self.get_value()).get_opt_keys()
def get_opt(self, key): return self.get_option(self.get_value()).get_opt(key)
def get_opts(self): return self.get_option(self.get_value()).get_opts()
##############################################
## Import/Export Methods
##############################################
def export_data(self):
"""
Export this param's key/value.
@return a nested data odict
"""
n = odict()
n['key'] = self.get_key()
n['value'] = self.get_value()
return n
|
