Exemple #1
0
    def save_inst(self, obj):
        """Inner logic to save instance. Based off pickle.save_inst
        Supports __transient__"""
        cls = obj.__class__

        # Try the dispatch table (pickle module doesn't do it)
        f = self.dispatch.get(cls)
        if f:
            f(self, obj)  # Call unbound method with explicit self
            return

        memo = self.memo
        write = self.write
        save = self.save

        if hasattr(obj, '__getinitargs__'):
            args = obj.__getinitargs__()
            len(args)  # XXX Assert it's a sequence
            pickle._keep_alive(args, memo)
        else:
            args = ()

        write(pickle.MARK)

        if self.bin:
            save(cls)
            for arg in args:
                save(arg)
            write(pickle.OBJ)
        else:
            for arg in args:
                save(arg)
            write(pickle.INST + cls.__module__ + '\n' + cls.__name__ + '\n')

        self.memoize(obj)

        try:
            getstate = obj.__getstate__
        except AttributeError:
            stuff = obj.__dict__
            #remove items if transient
            if hasattr(obj, '__transient__'):
                transient = obj.__transient__
                stuff = stuff.copy()
                for k in list(stuff.keys()):
                    if k in transient:
                        del stuff[k]
        else:
            stuff = getstate()
            pickle._keep_alive(stuff, memo)
        save(stuff)
        write(pickle.BUILD)
Exemple #2
0
    def save_inst_logic(self, obj):
        """Inner logic to save instance. Based off pickle.save_inst
        Supports __transient__"""
        cls = obj.__class__

        memo = self.memo
        write = self.write
        save = self.save

        if hasattr(obj, '__getinitargs__'):
            args = obj.__getinitargs__()
            len(args)  # XXX Assert it's a sequence
            pickle._keep_alive(args, memo)
        else:
            args = ()

        write(pickle.MARK)

        if self.bin:
            save(cls)
            for arg in args:
                save(arg)
            write(pickle.OBJ)
        else:
            for arg in args:
                save(arg)
            write(pickle.INST + cls.__module__ + '\n' + cls.__name__ + '\n')

        self.memoize(obj)

        try:
            getstate = obj.__getstate__
        except AttributeError:
            stuff = obj.__dict__
            #remove items if transient
            if hasattr(obj, '__transient__'):
                transient = obj.__transient__
                stuff = stuff.copy()
                for k in list(stuff.keys()):
                    if k in transient:
                        del stuff[k]
        else:
            stuff = getstate()
            pickle._keep_alive(stuff, memo)
        save(stuff)
        write(pickle.BUILD)
    def save_inst(self, obj):
        """Inner logic to save instance. Based off pickle.save_inst
    Supports __transient__"""
        cls = obj.__class__

        memo = self.memo
        write = self.write
        save = self.save

        if hasattr(obj, '__getinitargs__'):
            args = obj.__getinitargs__()
            len(args)  # assert it's a sequence
            pickle._keep_alive(args, memo)  # pylint: disable=protected-access
        else:
            args = ()

        write(pickle.MARK)

        if self.bin:
            save(cls)
            for arg in args:
                save(arg)
            write(pickle.OBJ)
        else:
            for arg in args:
                save(arg)
            write(pickle.INST + cls.__module__ + '\n' + cls.__name__ + '\n')

        self.memoize(obj)

        try:
            getstate = obj.__getstate__
        except AttributeError:
            stuff = obj.__dict__
            #remove items if transient
            if hasattr(obj, '__transient__'):
                transient = obj.__transient__
                stuff = stuff.copy()
                for k in list(stuff.keys()):
                    if k in transient:
                        del stuff[k]
        else:
            stuff = getstate()
            pickle._keep_alive(stuff, memo)  # pylint: disable=protected-access
        save(stuff)
        write(pickle.BUILD)
Exemple #4
0
    def save_inst(self, obj):
        """Inner logic to save instance. Based off pickle.save_inst"""
        cls = obj.__class__

        # Try the dispatch table (pickle module doesn't do it)
        f = self.dispatch.get(cls)
        if f:
            f(self, obj)  # Call unbound method with explicit self
            return

        memo = self.memo
        write = self.write
        save = self.save

        if hasattr(obj, '__getinitargs__'):
            args = obj.__getinitargs__()
            len(args)  # XXX Assert it's a sequence
            pickle._keep_alive(args, memo)
        else:
            args = ()

        write(pickle.MARK)

        if self.bin:
            save(cls)
            for arg in args:
                save(arg)
            write(pickle.OBJ)
        else:
            for arg in args:
                save(arg)
            write(pickle.INST + cls.__module__ + '\n' + cls.__name__ + '\n')

        self.memoize(obj)

        try:
            getstate = obj.__getstate__
        except AttributeError:
            stuff = obj.__dict__
        else:
            stuff = getstate()
            pickle._keep_alive(stuff, memo)
        save(stuff)
        write(pickle.BUILD)
    def _state_instance(self, obj):
        md = obj.__METADATA__
        cls = md.get('class')
        cls_md = cls.__METADATA__

        memo = self.memo
        write = self.write
        save = self.save

        args = md.get('initargs')
        if len(args) > 0:
            _keep_alive(args, memo)

        write(MARK)

        if self.bin:
            save(cls)
            for arg in args:
                save(arg)
            write(OBJ)
        else:
            for arg in args:
                save(arg)
            write(INST + cls_md.get('module') + '\n' + cls_md.get('name') +
                  '\n')

        self.memoize(obj)

        stuff = dict(obj.__dict__)
        stuff.pop('__METADATA__')

        if '__setstate_data__' in stuff:
            data = stuff.pop('__setstate_data__')
            _keep_alive(data, memo)
            save(data)
        else:
            save(stuff)
        write(BUILD)
Exemple #6
0
    def _state_instance(self, obj):
        md = obj.__METADATA__
        cls = md.get('class')
        cls_md = cls.__METADATA__

        memo  = self.memo
        write = self.write
        save  = self.save

        args = md.get('initargs')
        if len(args) > 0:
            _keep_alive(args, memo)

        write(MARK)

        if self.bin:
            save(cls)
            for arg in args:
                save(arg)
            write(OBJ)
        else:
            for arg in args:
                save(arg)
            write(INST + cls_md.get('module') + '\n' + cls_md.get('name') + '\n')

        self.memoize(obj)

        stuff = dict(obj.__dict__)
        stuff.pop('__METADATA__')
        
        if '__setstate_data__' in stuff:
            data = stuff.pop('__setstate_data__')
            _keep_alive(data, memo)
            save(data)
        else:
            save(stuff)
        write(BUILD)