110 lines
2.5 KiB
Python
110 lines
2.5 KiB
Python
from copy import deepcopy
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from nullptr.util import sg
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class Reference:
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def __init__(self, typ, symbol, store):
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self.typ = typ
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self.symbol = symbol
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self.store = store
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@classmethod
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def create(cls, obj):
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o = cls(type(obj), obj.symbol, obj.store)
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return o
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def resolve(self):
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return self.store.get(self.typ, self.symbol)
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def __repr__(self):
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return f'*REF*{self.symbol}.{self.typ.ext()}'
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class Base:
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identifier = 'symbol'
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def __init__(self, symbol, store):
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self.disable_dirty = True
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self.file_offset = None
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self.store = store
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self.symbol = symbol
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self.define()
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self.disable_dirty = False
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@classmethod
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def ext(cls):
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raise NotImplementedError('no ext')
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def define(self):
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pass
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def __hash__(self):
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return hash((str(type(self)), self.symbol))
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def __eq__(self, other):
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return type(self) == type(other) and self.symbol == other.symbol
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def get_system(self):
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parts = self.symbol.split('-')
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system_str = f'{parts[0]}-{parts[1]}'
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system = self.store.get('System', system_str, create=True)
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return system
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def seta(self, attr, d, name=None, interp=None):
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if name is None:
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name = attr
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val = sg(d, name)
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if val is not None:
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if interp is not None:
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val = interp(val)
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setattr(self, attr, val)
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def setlst(self, attr, d, name, member=None, interp=None):
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val = sg(d, name)
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if val is not None:
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lst = []
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for x in val:
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if member is not None:
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x = sg(x, member)
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if interp is not None:
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x = interp(x)
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lst.append(x)
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setattr(self, attr, lst)
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def __setattr__(self, name, value):
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if name not in ['symbol','store','disable_dirty', 'file_offset'] and not self.disable_dirty:
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self.store.dirty(self)
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if issubclass(type(value), Base):
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value = Reference.create(value)
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super().__setattr__(name, value)
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def __getattribute__(self, nm):
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val = super().__getattribute__(nm)
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if type(val) == Reference:
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val = val.resolve()
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return val
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def update(self, d):
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pass
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def is_expired(self):
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return False
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def load(self, d):
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self.disable_dirty = True
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self.__dict__.update(d)
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self.disable_dirty = False
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def type(self):
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return self.__class__.__name__
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def __str__(self):
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return self.f()
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def __repr__(self):
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return self.f()
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def f(self, detail=1):
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r = self.symbol
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if detail > 1:
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r += '.' + self.ext()
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return r
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