8000 consolidate system name prefix/suffix updates to namedio.sys · python-control/python-control@0b5e3fa · GitHub
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consolidate system name prefix/suffix updates to namedio.sys
1 parent 184d83d commit 0b5e3fa

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4 files changed

+31
-31
lines changed

4 files changed

+31
-31
lines changed

‎control/iosys.py

Lines changed: 2 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -591,13 +591,8 @@ def linearize(self, x0, u0, t=0, params=None, eps=1e-6,
591591
DeprecationWarning)
592592

593593
if copy_names:
594-
linsys._copy_names(self)
595-
if name is None:
596-
linsys.name = \
597-
config.defaults['namedio.linearized_system_name_prefix']+\
598-
linsys.name+\
599-
config.defaults['namedio.linearized_system_name_suffix']
600-
else:
594+
linsys._copy_names(self, prefix_suffix_name='linearized')
595+
if name is not None:
601596
linsys.name = name
602597

603598
# re-init to include desired signal names if names were provided

‎control/namedio.py

Lines changed: 25 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -12,6 +12,7 @@
1212

1313
__all__ = ['issiso', 'timebase', 'common_timebase', 'timebaseEqual',
1414
'isdtime', 'isctime']
15+
1516
# Define module default parameter values
1617
_namedio_defaults = {
1718
'namedio.state_name_delim': '_',
@@ -20,7 +21,9 @@
2021
'namedio.linearized_system_name_prefix': '',
2122
'namedio.linearized_system_name_suffix': '$linearized',
2223
'namedio.sampled_system_name_prefix': '',
23-
'namedio.sampled_system_name_suffix': '$sampled'
24+
'namedio.sampled_system_name_suffix': '$sampled',
25+
'namedio.converted_system_name_prefix': '',
26+
'namedio.converted_system_name_suffix': '$converted',
2427
}
2528

2629

@@ -49,11 +52,15 @@ def __init__(
4952
_idCounter = 0 # Counter for creating generic system name
5053

5154
# Return system name
52-
def _name_or_default(self, name=None):
55+
def _name_or_default(self, name=None, prefix_suffix_name=None):
5356
if name is None:
5457
name = "sys[{}]".format(NamedIOSystem._idCounter)
5558
NamedIOSystem._idCounter += 1
56-
return name
59+
prefix = "" if prefix_suffix_name is None else config.defaults[
60+
'namedio.' + prefix_suffix_name + '_system_name_prefix']
61+
suffix = "" if prefix_suffix_name is None else config.defaults[
62+
'namedio.' + prefix_suffix_name + '_system_name_suffix']
63+
return prefix + name + suffix
5764

5865
# Check if system name is generic
5966
def _generic_name_check(self):
@@ -99,16 +106,26 @@ def __str__(self):
99106
def _find_signal(self, name, sigdict):
100107
return sigdict.get(name, None)
101108

102-
def _copy_names(self, sys):
109+
def _copy_names(self, sys, prefix="", suffix="", prefix_suffix_name=None):
103110
"""copy the signal and system name of sys. Name is given as a keyword
104111
in case a specific name (e.g. append 'linearized') is desired. """
105-
self.name = sys.name
112+
# Figure out the system name and assign it
113+
if prefix == "" and prefix_suffix_name is not None:
114+
prefix = config.defaults[
115+
'namedio.' + prefix_suffix_name + '_system_name_prefix']
116+
if suffix == "" and prefix_suffix_name is not None:
117+
suffix = config.defaults[
118+
'namedio.' + prefix_suffix_name + '_system_name_suffix']
119+
self.name = prefix + sys.name + suffix
120+
121+
# Name the inputs, outputs, and states
106122
self.ninputs, self.input_index = \
107123
sys.ninputs, sys.input_index.copy()
108124
self.noutputs, self.output_index = \
109125
sys.noutputs, sys.output_index.copy()
110-
self.nstates, self.state_index = \
111-
sys.nstates, sys.state_index.copy()
126+
if sys.nstates: # only copy for state space systems
127+
self.nstates, self.state_index = \
128+
sys.nstates, sys.state_index.copy()
112129

113130
def copy(self, name=None, use_prefix_suffix=True):
114131
"""Make a copy of an input/output system
@@ -128,10 +145,8 @@ def copy(self, name=None, use_prefix_suffix=True):
128145
# Update the system name
129146
if name is None and use_prefix_suffix:
130147
# Get the default prefix and suffix to use
131-
dup_prefix = config.defaults['namedio.duplicate_system_name_prefix']
132-
dup_suffix = config.defaults['namedio.duplicate_system_name_suffix']
133148
newsys.name = self._name_or_default(
134-
dup_prefix + self.name + dup_suffix)
149+
self.name, prefix_suffix_name='duplicate')
135150
else:
136151
newsys.name = self._name_or_default(name)
137152

‎control/statesp.py

Lines changed: 2 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -1382,13 +1382,8 @@ def sample(self, Ts, method='zoh', alpha=None, prewarp_frequency=None,
13821382
sysd = StateSpace(Ad, Bd, C, D, Ts)
13831383
# copy over the system name, inputs, outputs, and states
13841384
if copy_names:
1385-
sysd._copy_names(self)
1386-
if name is None:
1387-
sysd.name = \
1388-
config.defaults['namedio.sampled_system_name_prefix'] +\
1389-
sysd.name + \
1390-
config.defaults['namedio.sampled_system_name_suffix']
1391-
else:
1385+
sysd._copy_names(self, prefix_suffix_name='sampled')
1386+
if name is not None:
13921387
sysd.name = name
13931388
# pass desired signal names if names were provided
13941389
return StateSpace(sysd, **kwargs)

‎control/xferfcn.py

Lines changed: 2 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -1206,13 +1206,8 @@ def sample(self, Ts, method='zoh', alpha=None, prewarp_frequency=None,
12061206
sysd = TransferFunction(numd[0, :], dend, Ts)
12071207
# copy over the system name, inputs, outputs, and states
12081208
if copy_names:
1209-
sysd._copy_names(self)
1210-
if name is None:
1211-
sysd.name = \
1212-
config.defaults['namedio.sampled_system_name_prefix'] +\
1213-
sysd.name + \
1214-
config.defaults['namedio.sampled_system_name_suffix']
1215-
else:
1209+
sysd._copy_names(self, prefix_suffix_name='sampled')
1210+
if name is not None:
12161211
sysd.name = name
12171212
# pass desired signal names if names were provided
12181213
return TransferFunction(sysd, name=name, **kwargs)

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