flatcam/tclCommands/TclCommandSetSys.py

90 lines
2.3 KiB
Python

from tclCommands.TclCommand import TclCommand
import collections
class TclCommandSetSys(TclCommand):
"""
Tcl shell command to set the value of a system variable
example:
"""
# List of all command aliases, to be able use old names for backward compatibility (add_poly, add_polygon)
aliases = ['set_sys', 'setsys']
description = '%s %s' % ("--", "Sets the value of the specified system variable.")
# Dictionary of types from Tcl command, needs to be ordered
arg_names = collections.OrderedDict([
('name', str),
('value', str)
])
# Dictionary of types from Tcl command, needs to be ordered , this is for options like -optionname value
option_types = collections.OrderedDict([
])
# array of mandatory options for current Tcl command: required = {'name','outname'}
required = ['name', 'value']
# structured help for current command, args needs to be ordered
help = {
'main': "Sets the value of the specified system variable.",
'args': collections.OrderedDict([
('name', 'Name of the system variable. Required.'),
('value', 'Value to set.')
]),
'examples': ['set_sys global_gridx 1.0']
}
def execute(self, args, unnamed_args):
"""
:param args:
:param unnamed_args:
:return:
"""
param = args['name']
value = args['value']
# TCL string to python keywords:
tcl2py = {
"None": None,
"none": None,
"false": False,
"False": False,
"true": True,
"True": True,
"l": "L",
"L": "L",
"T": "T",
"t": "T",
"0": "0",
"1": "1",
"2": "2",
"3": "3",
"4": "4",
"5": "5",
"in": "IN",
"IN": "IN",
"mm": "MM",
"MM": "MM"
}
if param in self.app.defaults:
try:
value = tcl2py[value]
except KeyError:
pass
self.app.defaults[param] = value
self.app.defaults.propagate_defaults()
else:
self.raise_tcl_error("No such system parameter \"{}\".".format(param))