36 lines
1.3 KiB
Python
36 lines
1.3 KiB
Python
import logging
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from dsmr_parser.clients.telegram_buffer import TelegramBuffer
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from dsmr_parser.exceptions import ParseError, InvalidChecksumError
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from dsmr_parser.objects import Telegram
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from dsmr_parser.parsers import TelegramParser
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logger = logging.getLogger(__name__)
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class FileReader(object):
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def __init__(self, file, telegram_specification):
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self._file = file
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self.telegram_parser = TelegramParser(telegram_specification)
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self.telegram_buffer = TelegramBuffer()
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self.telegram_specification = telegram_specification
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def read_as_object(self):
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"""
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Read complete DSMR telegram's from a file and return a Telegram object.
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:rtype: generator
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"""
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with open(self._file,"rb") as file_handle:
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while True:
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data = file_handle.readline()
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str = data.decode()
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self.telegram_buffer.append(str)
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for telegram in self.telegram_buffer.get_all():
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try:
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yield Telegram(telegram, self.telegram_parser, self.telegram_specification)
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except InvalidChecksumError as e:
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logger.warning(str(e))
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except ParseError as e:
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logger.error('Failed to parse telegram: %s', e)
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