25 lines
719 B
Python
25 lines
719 B
Python
import re
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class CommandParser:
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@staticmethod
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def parse(command_string):
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if not command_string:
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raise ValueError("Empty command received!")
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if not isinstance(command_string, str):
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raise ValueError("Command must be a sting!")
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if re.search('[^a-zA-Z0-9_\-]', command_string):
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raise ValueError('Only [a-zA-Z0-9_\-] allowed')
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if re.search('^GET_.*', command_string):
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parsed_command = command_string.split('_', 1)
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command = parsed_command[0]
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value = parsed_command[1]
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return {'command': command, 'value': value}
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else:
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raise ValueError("Unknown command: " + command_string)
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