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B �5�gt � @ s� d Z ddlmZ ddlmZ ddlmZ ddlmZ ddl m Z mZmZ e eegef d�dd �Ze d �dd�Zd d� Zdd� ZdS )z; Boilerplate functions used in defining binary operations. � )�wraps)�Callable)�item_from_zerodim)�F)�ABCDataFrame�ABCIndex� ABCSeries)�name�returnc s t t d�� fdd�}|S )z� Boilerplate for pandas conventions in arithmetic and comparison methods. Parameters ---------- name : str Returns ------- decorator )�methodr c s t | � �S )N)�_unpack_zerodim_and_defer)r )r � �L/home/digitalm-up/venv/lib/python3.7/site-packages/pandas/core/ops/common.py�wrapper s z)unpack_zerodim_and_defer.<locals>.wrapper)r )r r r )r r �unpack_zerodim_and_defer s r )r c s( |� d�dk� t��� �fdd��}|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 �__> �ne�eq�ge�lt�le�gtc sZ � rt | t�rt |t�rn.x,tttgD ]}t | |�r6P t ||�r&tS q&W t|�}�| |�S )N)� isinstancer r r �NotImplementedr )�self�other�cls)�is_cmpr r r � new_method6 s z-_unpack_zerodim_and_defer.<locals>.new_method)�stripr )r r r r )r r r r $ s r c C s$ t |ttf�rt| |�}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 )r r r �_maybe_match_namer )�left�rightr r r r �get_op_result_nameJ s r# c C sL t | d�}t |d�}|r4|r4| j|jkr.| jS dS n|r>| jS |rH|jS dS )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 )�a�bZa_hasZb_hasr r r r ` s r N)�__doc__� functoolsr �typingr Zpandas._libs.libr Zpandas._typingr Zpandas.core.dtypes.genericr r r �strr r r# r r r r r �<module> s &
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