def default_ri2ro(o):
""" Convert an :class:`rpy2.rinterface.Sexp` object to a higher-level object,
without copying the R object.
:param o: object
:rtype: :class:`rpy2.robjects.RObject` (and subclasses)
"""
res = None
try:
rcls = o.do_slot("class")
except LookupError as le:
rcls = [None]
if isinstance(o, RObject):
res = o
elif isinstance(o, SexpVector):
if 'data.frame' in rcls:
res = vectors.DataFrame(o)
if res is None:
try:
dim = o.do_slot("dim")
if len(dim) == 2:
res = vectors.Matrix(o)
else:
res = vectors.Array(o)
except LookupError as le:
if o.typeof == rinterface.INTSXP:
if 'factor' in rcls:
res = vectors.FactorVector(o)
else:
res = vectors.IntVector(o)
elif o.typeof == rinterface.REALSXP:
if o.rclass[0] == 'POSIXct':
res = vectors.POSIXct(o)
else:
res = vectors.FloatVector(o)
elif o.typeof == rinterface.STRSXP:
res = vectors.StrVector(o)
elif o.typeof == rinterface.VECSXP:
res = vectors.ListVector(o)
elif o.typeof == rinterface.LANGSXP and 'formula' in rcls:
res = Formula(o)
else:
res = vectors.Vector(o)
elif isinstance(o, SexpClosure):
res = SignatureTranslatedFunction(o)
elif isinstance(o, SexpEnvironment):
res = Environment(o)
elif isinstance(o, SexpS4):
res = RS4(o)
elif isinstance(o, SexpExtPtr):
res = o
elif o is NULL:
res = o
else:
res = RObject(o)
return res
def _rpy2py_object(obj):
return RObject(obj)
def _(obj):
return RObject(obj)
res = Formula(o)
else:
res = vectors.Vector(o)
elif isinstance(o, SexpClosure):
res = SignatureTranslatedFunction(o)
elif isinstance(o, SexpEnvironment):
res = Environment(o)
elif isinstance(o, SexpS4):
res = RS4(o)
elif isinstance(o, SexpExtPtr):
res = o
elif o is NULL:
res = o
else:
res = RObject(o)
return res
conversion.ri2py = default_ri2py
def default_py2ri(o):
""" Convert arbitrary Python object to :class:`rpy2.rinterface.Sexp` to objects,
creating an R object with the content of the Python object in the process
(wich means data copying).
:param o: object
:rtype: :class:`rpy2.rinterface.Sexp` (and subclasses)
"""