- class Field(dict):
- @classmethod
- def __check_string(cls, s):
- if s.isalnum():
- k = 0
- for i in s:
- if i.isalpha():
- k += 1
- elif i.isdigit():
- continue
- if k > 1:
- raise ValueError
- else:
- raise ValueError
- @classmethod
- def __check_key(cls, key):
- if isinstance(key, (tuple, str)):
- l = 0
- if isinstance(key, tuple):
- for i in key:
- if not isinstance(i, (str, int)):
- raise ValueError
- else:
- if isinstance(i, int):
- if not i >= 0:
- raise ValueError
- elif isinstance(i, str):
- if i.isalpha():
- l += 1
- if l > 1:
- raise ValueError
- cls.__check_string(i)
- elif isinstance(key, str):
- cls.__check_string(key)
- else:
- raise TypeError
- def __setitem__(self, key, value):
- self.__check_key(key)
- key = ''.join(str(x) for x in key)
- if key.lower() not in self.__dict__.keys():
- return self.__dict__.setdefault(key.lower(), value)
- else:
- self.__dict__[key.lower()] = value
- def __getitem__(self, item):
- self.__check_key(item)
- item = ''.join(str(x) for x in item)
- if item.lower() in self.__dict__.keys():
- return self.__dict__.get(item.lower())
- elif item[::-1].lower() in self.__dict__.keys():
- return self.__dict__.get(item[::-1].lower())
- else:
- return None
- def __delitem__(self, key):
- self.__check_key(key)
- key = ''.join(str(x) for x in key)
- if key.lower() in self.__dict__.keys():
- del self.__dict__[key.lower()]
- elif key.lower()[::-1] in self.__dict__.keys():
- del self.__dict__[key.lower()[::-1]]
- def __iter__(self):
- self.fiksator = -1
- return self
- def __contains__(self, item):
- item = ''.join(str(x) for x in item)
- return item.lower() in self.__dict__.keys() or item[::-1].lower() in self.__dict__.keys()
- def __next__(self):
- self.fiksator += 1
- if self.fiksator < len(self.__dict__) - 1:
- a = list(self.__dict__.keys())[:list(self.__dict__.keys()).index('fiksator')]
- return self.__dict__[a[self.fiksator]]
- else:
- raise StopIteration
- def __setattr__(self, key, value):
- self.__dict__[key.lower()] = value
- #def __getattribute__(self, item):
- #return super(Field, self).__getitem__(item.lower())
- def __getattr__(self, item):
- if item.lower() in self.__dict__.keys():
- return self.__dict__.get(item.lower())
- elif item.lower()[::-1] in self.__dict__.keys():
- return self.__dict__.get(item.lower()[::-1])
- def __delattr__(self, item):
- del self.__dict__[item.lower()]
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