FreeDATA/modem/config.py

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5.2 KiB
Python
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import configparser
import structlog
import json
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class CONFIG:
"""
CONFIG class for handling with config files
"""
config_types = {
'NETWORK': {
'modemport': int,
},
'STATION': {
'mycall': str,
'mygrid': str,
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'myssid': int,
'ssid_list': list,
'enable_explorer': bool,
'enable_stats': bool,
},
'AUDIO': {
'input_device': str,
'output_device': str,
'rx_audio_level': int,
'tx_audio_level': int,
'enable_auto_tune': bool,
},
'RADIO': {
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'control': str,
'serial_port': str,
'model_id': int,
'serial_port': str,
'serial_speed': int,
'data_bits': int,
'stop_bits': int,
'serial_handshake': str,
'ptt_port': str,
'ptt_type': str,
'serial_dcd': str,
'serial_dtr': str,
},
'RIGCTLD': {
'ip': str,
'port': int,
'path': str,
'command': str,
'arguments': str,
},
'TCI': {
'tci_ip': str,
'tci_port': int,
},
'MESH': {
'enable_protocol': bool,
},
'MODEM': {
'enable_fft': bool,
'tuning_range_fmax': int,
'tuning_range_fmin': int,
'enable_fsk': bool,
'enable_hmac': bool,
'enable_morse_identifier': bool,
'enable_low_bandwidth_mode': bool,
'respond_to_cq': bool,
'rx_buffer_size': int,
'tx_delay': int,
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'beacon_interval': int,
},
}
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def __init__(self, configfile: str):
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# set up logger
self.log = structlog.get_logger("CONFIG")
# init configparser
self.parser = configparser.ConfigParser(inline_comment_prefixes="#", allow_no_value=True)
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try:
self.config_name = configfile
except Exception:
self.config_name = "config.ini"
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self.log.info("[CFG] config init", file=self.config_name)
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# check if config file exists
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self.config_exists()
def config_exists(self):
"""
check if config file exists
"""
try:
return bool(self.parser.read(self.config_name, None))
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except Exception as configerror:
self.log.error("[CFG] logfile init error", e=configerror)
return False
# Validates config data
def validate(self, data):
for section in data:
for setting in data[section]:
if not isinstance(data[section][setting], self.config_types[section][setting]):
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message = (f"{section}.{setting} must be {self.config_types[section][setting]}."
f" '{data[section][setting]}' {type(data[section][setting])} given.")
raise ValueError(message)
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# Handle special setting data type conversion
# is_writing means data from a dict being writen to the config file
# if False, it means the opposite direction
def handle_setting(self, section, setting, value, is_writing = False):
if self.config_types[section][setting] == list:
if (is_writing):
return json.dumps(value)
else:
return json.loads(value)
elif self.config_types[section][setting] == bool and not is_writing:
return self.parser.getboolean(section, setting)
elif self.config_types[section][setting] == int and not is_writing:
return self.parser.getint(section, setting)
else:
return value
# Sets and writes config data from a dict containing data settings
def write(self, data):
# Validate config data before writing
self.validate(data)
for section in data:
# init section if it doesn't exist yet
if not section.upper() in self.parser.keys():
self.parser[section] = {}
for setting in data[section]:
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new_value = self.handle_setting(
section, setting, data[section][setting], True)
self.parser[section][setting] = str(new_value)
# Write config data to file
try:
with open(self.config_name, 'w') as configfile:
self.parser.write(configfile)
return self.read()
except Exception as conferror:
self.log.error("[CFG] reading logfile", e=conferror)
return False
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def read(self):
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"""
read config file
"""
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self.log.info("[CFG] reading...")
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if not self.config_exists():
return False
# at first just copy the config as read from file
result = {s:dict(self.parser.items(s)) for s in self.parser.sections()}
# handle the special settings
for section in result:
for setting in result[section]:
result[section][setting] = self.handle_setting(
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section, setting, result[section][setting], False)
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return result