79 lines
2.6 KiB
Python
79 lines
2.6 KiB
Python
from dataclasses import dataclass
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from operator import itemgetter
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from typing import Tuple, Dict, List
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from cache.Cache import Cache
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from core.sheerka.services.sheerka_service import BaseService, ServiceObj
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@dataclass
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class FunctionParametersObj(ServiceObj):
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name: str
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params: Dict[int, List[Tuple[str, int]]]
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#
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# params = {
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# 1 : [('value 1', 1), ('value 2', 5)],
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# 3 : [('value 3', 5)]
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#
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# the key is the number of the parameter
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# the values are a tuple of (value seen, number of time this value is seen)
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class SheerkaFunctionsParametersHistory(BaseService):
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"""
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This service remembers the parameters expected by functions
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"""
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NAME = "FunctionsParametersHistory"
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FUNCTIONS_PARAMETERS_ENTRY = "FunctionsParametersHistory:Functions"
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def __init__(self, sheerka):
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super().__init__(sheerka)
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self.cache = Cache(max_size=1024, default=lambda k: self.sheerka.sdp.get(self.FUNCTIONS_PARAMETERS_ENTRY, k))
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def initialize(self):
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self.sheerka.cache_manager.register_cache(self.FUNCTIONS_PARAMETERS_ENTRY, self.cache, True, True)
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return self
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def record_function_parameter(self, context, func_name: str, param_number: int, param_value: str):
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"""
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Declare a new value to the parameter and function
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:param context:
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:param func_name:
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:param param_number:
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:param param_value:
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:return:
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"""
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old = self.cache.get(func_name)
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if old is not None:
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if param_number in old.params:
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lst = old.params[param_number]
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for i, value in enumerate(lst): # value is a tuple (param_value, counter)
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if value[0] == param_value:
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lst[i] = (param_value, value[1] + 1)
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break
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else:
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lst.append((param_value, 1))
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else:
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old.params[param_number] = [(param_value, 1)]
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self.cache.put(func_name, old)
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else:
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obj = FunctionParametersObj(context.event.get_digest(), func_name, {param_number: [(param_value, 1)]})
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self.cache.put(func_name, obj)
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def get_function_parameters(self, func_name: str, param_number: int):
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"""
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Return the list of param
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:param func_name:
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:param param_number:
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:return:
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"""
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values = self.cache.get(func_name)
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if values is None:
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return []
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if param_number not in values.params:
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return []
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return [item[0] for item in sorted(values.params[param_number], key=itemgetter(1), reverse=True)]
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