U Mf @sdZddlmZddlmZddlmZddlmZddl m Z ddl m Z m Z mZeee ge fdd d Zed d d ZddZddZdS)z; Boilerplate functions used in defining binary operations. )wraps)Callable)item_from_zerodim)is_matching_naF) ABCDataFrameABCIndex ABCSeries)namereturncsttdfdd }|S)z Boilerplate for pandas conventions in arithmetic and comparison methods. Parameters ---------- name : str Returns ------- decorator )methodr cs t|SN)_unpack_zerodim_and_defer)r r :/tmp/pip-unpacked-wheel-eb6vo0j3/pandas/core/ops/common.pywrappersz)unpack_zerodim_and_defer..wrapperr)r rrrrunpack_zerodim_and_defers rrcs(|ddktfdd}|S)aM Boilerplate for pandas conventions in arithmetic and comparison methods. Ensure method returns NotImplemented when operating against "senior" classes. Ensure zero-dimensional ndarrays are always unpacked. Parameters ---------- method : binary method name : str Returns ------- method __>eqlenegtltgecs\rt|trt|trn0tttfD]$}t||r6qJt||r$tSq$t|}||Sr) isinstancer r rNotImplementedr)selfotherclsZis_cmpr rr new_method7s   z-_unpack_zerodim_and_defer..new_method)stripr)r r r"rr!rr%srcCs$t|ttfrt||}n|j}|S)a Find the appropriate name to pin to an operation result. This result should always be either an Index or a Series. Parameters ---------- left : {Series, Index} right : object Returns ------- name : object Usually a string )rr r _maybe_match_namer )leftrightr rrrget_op_result_nameKs r'cCst|d}t|d}|r|rz4|j|jkr2|jWSt|j|jrH|jWSWdSWqtk r~t|j|jrx|jYSYdStk rYdSXn|r|jS|r|jSdS)a Try to find a name to attach to the result of an operation between a and b. If only one of these has a `name` attribute, return that name. Otherwise return a consensus name if they match or None if they have different names. Parameters ---------- a : object b : object Returns ------- name : str or None See Also -------- pandas.core.common.consensus_name_attr r N)hasattrr r TypeError ValueError)abZa_hasZb_hasrrrr$as(      r$N)__doc__ functoolsrtypingrZpandas._libs.librZpandas._libs.missingrZpandas._typingrZpandas.core.dtypes.genericrr r strrrr'r$rrrrs     &