57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
""""
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ModBus definition file reader routines
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Copyright (C) 2025 M.T. Konstapel
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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"""
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import yaml
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from yaml.loader import SafeLoader
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class definition_file_reader:
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# initiate class: define name configuration files
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def __init__(self, definition_file):
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self.definition_file = definition_file
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def read_settings(self):
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if self.read_definition_file() == 0:
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return 0
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if self.test_definition_file() == 0:
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return 0
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return 1
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def read_definition_file (self):
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try:
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with open(self.definition_file) as f:
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self.definition_file_data = yaml.load(f, Loader=SafeLoader)
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except:
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print ("Definition file ./" + self.definition_file + " not found or syntax error in file.")
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return 0
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else:
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return 1
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# Test if all settings are pressent
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def test_definition_file(self):
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# Test is all expected settings are present
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try:
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tmp = self.definition_file_data['devices']
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except:
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print ("Error in the ModBus definition file.")
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return 0
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else:
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return 1
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