o
    i                     @   sZ   d dl Z d dlmZ d dlZddlmZmZ G dd dZe jfddZ	d	d
 Z
e
 ZdS )    NLock   )mmap_key
MmapedDictc                   @   sD   e Zd ZdZdZdd Zdd Zdd Zd	d
 Zdd Z	dd Z
dS )
MutexValuezA float protected by a mutex.Fc                 K   s   d| _ d | _t | _d S )Ng        )_value	_exemplarr   _lock)selftypmetric_namename
labelnameslabelvalues	help_textkwargs r   S/var/www/edux/Edux_v2/venv/lib/python3.10/site-packages/prometheus_client/values.py__init__   s   zMutexValue.__init__c                 C   s:   | j  |  j|7  _W d    d S 1 sw   Y  d S Nr
   r   r   amountr   r   r   inc   s   "zMutexValue.incc                 C   2   | j  || _W d    d S 1 sw   Y  d S r   r   r   valuer   r   r   set      "zMutexValue.setc                 C   r   r   r
   r	   r   exemplarr   r   r   set_exemplar   r   zMutexValue.set_exemplarc                 C   0   | j  | jW  d    S 1 sw   Y  d S r   r   r   r   r   r   get      $zMutexValue.getc                 C   r$   r   r    r%   r   r   r   get_exemplar"   r'   zMutexValue.get_exemplarN)__name__
__module____qualname____doc___multiprocessr   r   r   r#   r&   r(   r   r   r   r   r      s    r   c                    s6   i  g d it  G  fddd}|S )a8  Returns a MmapedValue class based on a process_identifier function.

    The 'process_identifier' function MUST comply with this simple rule:
    when called in simultaneously running processes it MUST return distinct values.

    Using a different function than the default 'os.getpid' is at your own risk.
    r   c                       sx   e Zd ZdZdZdfdd	Z fddZ fdd	Zfd
dZfddZ	dd Z
fddZdd ZdS )z&MultiProcessValue.<locals>.MmapedValuezAA float protected by a mutex backed by a per-process mmaped file.T c           	         s   |||||||f| _ dtjv r"dtjvr"tjd tjd< tdt   |   |   |  W d    d S 1 s=w   Y  d S )Nprometheus_multiproc_dirPROMETHEUS_MULTIPROC_DIRzpprometheus_multiproc_dir variable has been deprecated in favor of the upper case naming PROMETHEUS_MULTIPROC_DIR)	_paramsosenvironwarningswarnDeprecationWarning"_MmapedValue__check_for_pid_change_MmapedValue__resetappend)	r   r   r   r   r   r   r   multiprocess_moder   )lockvaluesr   r   r   <   s   "z/MultiProcessValue.<locals>.MmapedValue.__init__c           
         s   | j \}}}}}}}|dkr|d | }n|}| vr2tjtjdd|d }	t|	 |<  | | _t	|||||| _
| j| j
| _d S )Ngauge_r0   z{}_{}.dbr   )r1   r2   pathjoinr3   r&   formatr   _filer   _key
read_valuer   )
r   r   r   r   r   r   r   r:   file_prefixfilename)filespidr   r   __resetG   s   

z.MultiProcessValue.<locals>.MmapedValue.__resetc                    sR    }d |kr%|d<    D ]}|  q   D ]}|  qd S d S )Nr   )r<   closeclearr8   )r   
actual_pidfr   )rG   rH   process_identifierr<   r   r   __check_for_pid_changeW   s   

z=MultiProcessValue.<locals>.MmapedValue.__check_for_pid_changec                    sR     |    |  j|7  _| j| j| j W d    d S 1 s"w   Y  d S r   r7   r   rB   write_valuerC   r   r;   r   r   r   b   s
   "z*MultiProcessValue.<locals>.MmapedValue.incc                    sJ     |    || _| j| j| j W d    d S 1 sw   Y  d S r   rP   r   rR   r   r   r   h   s
   "z*MultiProcessValue.<locals>.MmapedValue.setc                 S      d S r   r   r!   r   r   r   r#   n      z3MultiProcessValue.<locals>.MmapedValue.set_exemplarc                    s6     |    | jW  d    S 1 sw   Y  d S r   )r7   r   r%   rR   r   r   r&   r   s   $z*MultiProcessValue.<locals>.MmapedValue.getc                 S   rS   r   r   r%   r   r   r   r(   w   rT   z3MultiProcessValue.<locals>.MmapedValue.get_exemplarN)r.   )r)   r*   r+   r,   r-   r   r8   r7   r   r   r#   r&   r(   r   rG   r;   rH   rN   r<   r   r   MmapedValue7   s    rV   r   )rN   rV   r   rU   r   MultiProcessValue'   s   
DrW   c                   C   s   dt jv s
dt jv rt S tS )Nr/   r0   )r2   r3   rW   r   r   r   r   r   get_value_class~   s   rX   )r2   	threadingr   r4   	mmap_dictr   r   r   getpidrW   rX   
ValueClassr   r   r   r   <module>   s    W
