Description
Environment (OS, Python version, PySpice version, simulator)
Fedora 38 linux, PySpice-1.5 , libngspice-41-1.fc38.x86_64, ngspice-41,python 3.11.
I ran test.py for a voltage divider (code below):
import PySpice
import PySpice.Logging.Logging as Logging
from PySpice.Spice.Netlist import Circuit #Netlist allows us to create a circuit
from PySpice.Unit import *
import sys
logger = Logging.setup_logging()#it will output in the command line
if sys.platform=="linux" or sys.platform=="linux2":
PySpice.Spice.Simulation.CircuitSimulator.DEFAULT_SIMULATOR = 'ngspice-subprocess'
elif sys.platform=="win32":
pass
circuit = Circuit('Voltage Divider')
circuit.V('input', 'in', circuit.gnd, 10@u_V)
circuit.R(1, 'in', 'out', 9@u_kΩ)
circuit.R(2, 'out', circuit.gnd, 1@u_kΩ)
print("The circuit/Netlist:\n\n",circuit)
simulator = circuit.simulator(temperature=25, nominal_temperature=25)
print("The simulator:\n\n",simulator)
#next line breaks!
#analysis=simulator.operating_point()
exit()
If I remove comment from the line analysis= simulator.operating_point() I get the following error:
023-11-17 11:46:08,495 - PySpice.Spice.NgSpice.Server.SpiceServer.call - INFO - Start the spice subprocess
Traceback (most recent call last):
File "/path/test.py", line 29, in
analysis=simulator.operating_point()
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/user/.local/lib/python3.11/site-packages/PySpice/Spice/Simulation.py", line 1194, in operating_point
return self._run('operating_point', *args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/user/.local/lib/python3.11/site-packages/PySpice/Spice/NgSpice/Simulation.py", line 76, in _run
raw_file = self._spice_server(spice_input=str(self))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/user/.local/lib/python3.11/site-packages/PySpice/Spice/NgSpice/Server.py", line 162, in call
return RawFile(stdout, number_of_points)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/user/.local/lib/python3.11/site-packages/PySpice/Spice/NgSpice/RawFile.py", line 170, in init
raw_data = self._read_header(stdout)
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/user/.local/lib/python3.11/site-packages/PySpice/Spice/NgSpice/RawFile.py", line 192, in _read_header
self.circuit_name = self._read_header_field_line(header_line_iterator, 'Circuit')
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/user/.local/lib/python3.11/site-packages/PySpice/Spice/RawFile.py", line 243, in _read_header_field_line
raise NameError("Expected label %s instead of %s" % (expected_label, label))
NameError: Expected label Circuit instead of Note
Any help is appreciated!