o
    b                     @   sT   d Z ddlmZ ddlmZmZ ddlmZ ddlm	Z	 dd Z
G d	d
 d
eZdS )z Read worksheets on-demand
   )	Worksheet    )ReadOnlyCell
EMPTY_CELL)get_column_letter)WorkSheetParserc                 C   s   t | g }| S N)r   parse_dimensions)sourceparser r   \/var/www/secure340b-portal/env/lib/python3.10/site-packages/openpyxl/worksheet/_read_only.pyread_dimension   s   
r   c                   @   s   e Zd ZdZdZd ZZejZej	Z	ej
Z
ejZejZejZdd Zdd Zdd Zdd
dZdddZdd ZdddZdd Zdd Zedd Zedd Zedd Zedd ZdS ) ReadOnlyWorksheetr   Nc                 C   s0   || _ || _d| _d | _|| _|| _|   d S )Nvisible)parenttitleZsheet_stateZ_current_row_worksheet_path_shared_strings	_get_size)selfZparent_workbookr   Zworksheet_pathZshared_stringsr   r   r   __init__"   s   zReadOnlyWorksheet.__init__c                 C   sF   |   }t|g }| }|  |d ur!|\| _| _| _| _d S d S r   )_get_sourcer   r	   close_min_column_min_row_max_column_max_row)r   srcr   
dimensionsr   r   r   r   ,   s   
zReadOnlyWorksheet._get_sizec                 C   s   | j j| jS )z0Parse xml source on demand, must close after use)r   Z_archiveopenr   r   r   r   r   r   5   s   zReadOnlyWorksheet._get_sourceFc                 c   s   t }|rd}|p| j}|p| j}g }|dur |f|d |  }|}d}	|  }
t|
| j| jj| jj| jj	d}|
 D ]0\}	}|durJ|	|krJ n#t||	D ]	}|d7 }|V  qO||	krl| ||||}|d7 }|V  q<|dur||	k rt||d D ]}|V  q||
  dS )zt
        The source worksheet file may have columns or rows missing.
        Missing cells will be created.
        Nr   )	data_onlyepochZdate_formats)r   
max_columnmax_rowr   r   r   r   r"   r#   Z_date_formatsparserange_get_rowr   )r   min_colmin_rowmax_colr%   values_onlyZfillerZ	empty_rowcounteridxr   r   row_r   r   r   _cells_by_row:   s>   

zReadOnlyWorksheet._cells_by_rowc           
      C   s   |s|sdS |p|d d }|d | }t g| }|r dg| }|D ](}|d }||  kr2|krJn q"|| }	|d ||	< |sJt| fi |||	< q"t|S )zT
        Make sure a row contains always the same number of cells or values
        r   columnr   Nvalue)r   r   tuple)
r   r/   r)   r+   r,   Z	row_widthZnew_rowcellr-   r.   r   r   r   r(   e   s    

zReadOnlyWorksheet._get_rowc                 C   s*   |  ||||D ]
}|r|d   S qtS )z4Cells are returned by a generator which can be emptyr   )r1   r   )r   r/   r3   r   r   r   	_get_cell~   s
   zReadOnlyWorksheet._get_cellc                 C   sL   t | j| jgs|r|   ntdt| j | j dt| j | j S )Nz9Worksheet is unsized, use calculate_dimension(force=True):)allr$   r%   _calculate_dimension
ValueErrorr   
min_columnr*   )r   forcer   r   r   calculate_dimension   s
   
&z%ReadOnlyWorksheet.calculate_dimensionc                 C   s<   d}| j D ]}|s
q|d }t||j}q|j| _|| _dS )z
        Loop through all the cells to get the size of a worksheet.
        Do this only if it is explicitly requested.
        r   r2   N)rowsmaxr3   r/   r   r   )r   r+   rr6   r   r   r   r:      s   

z&ReadOnlyWorksheet._calculate_dimensionc                 C   s   d | _ | _dS )z
        Remove worksheet dimensions if these are incorrect in the worksheet source.
        NB. This probably indicates a bug in the library or application that created
        the workbook.
        N)r   r   r!   r   r   r   reset_dimensions   s   z"ReadOnlyWorksheet.reset_dimensionsc                 C      | j S r   )r   r!   r   r   r   r*         zReadOnlyWorksheet.min_rowc                 C   rC   r   )r   r!   r   r   r   r%      rD   zReadOnlyWorksheet.max_rowc                 C   rC   r   )r   r!   r   r   r   r<      rD   zReadOnlyWorksheet.min_columnc                 C   rC   r   )r   r!   r   r   r   r$      rD   zReadOnlyWorksheet.max_column)F)r   NF)__name__
__module____qualname__r   r   r   r   r   r6   Z	iter_rowsvaluesr?   __getitem____iter__r   r   r   r1   r(   r7   r>   r:   rB   propertyr*   r%   r<   r$   r   r   r   r   r      s6    
	

+
		


r   N)__doc__Z	worksheetr   Zopenpyxl.cell.read_onlyr   r   Zopenpyxl.utilsr   _readerr   r   objectr   r   r   r   r   <module>   s   