NopSCADlib/scripts/options.py

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#
# NopSCADlib Copyright Chris Palmer 2020
# nop.head@gmail.com
# hydraraptor.blogspot.com
#
# This file is part of NopSCADlib.
#
# NopSCADlib 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 of
# the License, or (at your option) any later version.
#
# NopSCADlib 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 NopSCADlib.
# If not, see <https://www.gnu.org/licenses/>.
#
# Set command line options from enviroment variables and check if they have changed
import json, os, deps
def check_options(dir = '.'):
global options, options_mtime
options = { "show_threads": str(os.getenv("NOPSCADLIB_SHOW_THREADS")) }
options_fname = dir + '/options.json'
try:
with open(options_fname) as json_file:
last_options = json.load(json_file)
except:
last_options = {}
if last_options != options:
with open(options_fname, 'w') as outfile:
json.dump(options, outfile, indent = 4)
options_mtime = deps.mtime(options_fname)
def have_changed(changed, target):
if not changed and deps.mtime(target) < options_mtime:
return "command line options changed"
return changed
def list():
result = []
for name in options.keys():
value = options[name]
if value != 'None':
result.append('-D$' + name + '=' + value)
return result