92 lines
2.9 KiB
Python
92 lines
2.9 KiB
Python
from set import *
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from equation import *
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from expression import *
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class Solver:
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def __init__(self):
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self.solved=False
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self.valid_equation=None
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self.valid_typeCheck=None
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self.comparisons=None
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self.unknowns=None
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self.resolution=[]
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self.loadVocabulary()
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def __call__(self,input):
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self.input=input
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self.type=type(self.input)
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self.output=""
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self.analyse()
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self.end()
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return self.output
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def loadVocabulary(self):
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self.lower_case_alphabet="abcdefghijklmnopqrstuvwxyz"
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self.upper_case_alphabet="ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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self.all_case_alphabet=self.lower_case_alphabet+self.upper_case_alphabet
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self.operations="+-*/!%^()"
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self.comparisons="=<>~"
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self.numbers="0123456789"
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self.valid_types=[str]
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def analyse(self):
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self.isValidType(self.input)
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if not self.valid_typeCheck:
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self.output="The type is not valid.\n"
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else:
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self.isEquation(self.input)
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if self.valid_equation:
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self.equation=self.input
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self.solveEquation(self.equation)
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else:
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self.output="The input isn't an equation."
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def isValidType(self,input):
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if self.type in self.valid_types:
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self.valid_typeCheck=True
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else:
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self.output+="Insert an input of type:\n"
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self.output+=str(self.valid_types)+"\n"
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self.valid_typeCheck=False
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def isEquation(self,input):
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valid_equation=True
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comparisons=intersection(input,self.comparisons)
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unknowns=intersection(input,self.all_case_alphabet)
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operations=intersection(input,self.operations)
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if len(comparisons)==0:
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valid_equation=False
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if len(unknowns)==0:
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valid_equation=False
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self.valid_equation=valid_equation
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def solveEquation(self,equation):
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self.equation=equation
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self.step=0
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self.max_steps=100
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while self.step<self.max_steps and not self.solved:
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self.resolution.append(self.equation)
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self.unknowns=intersection(equation,self.all_case_alphabet)
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self.comparisons=intersection(equation,self.comparisons)
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self.operations=intersection(equation,self.operations)
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self.equation=isolate(equation)
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if len(self.unknowns)==1 and self.comparisons==["="] and self.operations:
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pass
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self.output+="Resolution: \n"
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self.output+=str(self.resolution)+"\n"
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def end(self):
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if not self.solved:
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if len(self.output)==0:
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self.output+="The resolution of this problem still needs to be implemented."
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else:
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self.output+="The resolution of this problem is being implemented."
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solve=Solver()
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if __name__=="__main__":
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solve(input("Enter: "))
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