
    
                     j    d Z ddlmZ ddlmZ ddlmZ ddlZddlZddlmZ ddl	m
Z
  G d d	e      Zy)
zUnified diff resource printer.    )absolute_import)division)unicode_literalsN)log)resource_printerc                       e Zd ZdZd ZddZy)ResourceDiffz>Prints the unified diff of two resources in a specific format.c                      || _         || _        y )N)originalchanged)selfr   r   s      1lib/googlecloudsdk/core/resource/resource_diff.py__init__zResourceDiff.__init__    s    DMDL    Nc                 &   t        j                         }t        j                  |||      }|j	                  | j
                         t        j                         }t        j                  |||      }|j	                  | j                         |j                         j                  d      }|j                         j                  d      }t        j                  ||      }	|xs t        j                  }|	D ]  }
|j                  |
dz           y)a  Prints the unified diff of formatter output for original and changed.

    Prints a unified diff, eg,
    ---

    +++

    @@ -27,6 +27,6 @@

     settings.pricingPlan:                             PER_USE
     settings.replicationType:                         SYNCHRONOUS
     settings.settingsVersion:                         1
    -settings.tier:                                    D1
    +settings.tier:                                    D0
     state:                                            RUNNABLE

    Args:
      print_format: The print format name.
      out: The output stream, stdout if None.
      defaults: Optional resource_projection_spec.ProjectionSpec defaults.
    )outdefaults
N)ioStringIOr   PrinterPrintSingleRecordr   r   getvaluesplitdifflibunified_diffr   r   write)r   print_formatr   r   buff_originalprinterbuff_changedlines_originallines_changed
lines_difflines              r   PrintzResourceDiff.Print$   s    . KKMM&&|08:Gdmm,;;=L&&|08:Gdll+"++-33D9N ))+11$7M%%nmDJ
.C	iit r   )NN)__name__
__module____qualname____doc__r   r&    r   r   r	   r	      s    F&r   r	   )r*   
__future__r   r   r   r   r   googlecloudsdk.corer   googlecloudsdk.core.resourcer   objectr	   r+   r   r   <module>r0      s+     % &  '  	 # 9-6 -r   