INNER CODE UNIT · Python

_RMemory

briscverse/ryp · ryp.py:673

class _RMemory:
    """
    A utility class for managing R's memory protection with Rf_protect() and
    Rf_unprotect(). Based on the rpy2.rinterface_lib.memorymanagement.rmemory
    context manager.
    """
    def __init__(self: _RMemory, rlib: _cffi_backend.Lib) -> None:
        self.rlib = rlib
        self.count = 0
    
    def __enter__(self: _RMemory) -> _RMemory:
        return self
    
    def protect(self: _RMemory,
                robject: _cffi_backend._CDataBase) -> _cffi_backend._CDataBase:
        robject = self.rlib.Rf_protect(robject)
        self.count += 1
        return robject

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