B
    nb\J                 @   s   d dl Z d dlZd dlZd dlZd dlZd dlmZmZ d dlm	Z	 d dl
mZ d dlmZ d dlmZ d dlmZmZ erd dlmZ d d	lmZmZ nd d
lmZmZmZ G dd deZdS )    N)QObjectSignal)__version__)_)PY3)is_anaconda)check_versionis_stable_version)urlopen)URLError	HTTPError)r
   r   r   c               @   s0   e Zd ZdZe Zd
ddZdd Zdd	 ZdS )WorkerUpdatesz
    Worker that checks for releases using either the Anaconda
    default channels or the Github Releases page without
    blocking the Spyder user interface, in case of connection
    issues.
     Nc             C   s>   t |  || _d | _d | _|| _|| _|s4t| _n|| _d S )N)	r   __init__Z_parenterrorlatest_releasestartupreleasesr   version)selfparentr   r   r    r   5lib/python3.7/site-packages/spyder/workers/updates.pyr   )   s    
zWorkerUpdates.__init__c                s\   d j krd|fS t j r.dd  jD }n fdd jD }|d }t j |d|fS )a  Checks if there is an update available.

        It takes as parameters the current version of Spyder and a list of
        valid cleaned releases in chronological order.
        Example: ['2.3.2', '2.3.3' ...] or with github ['2.3.4', '2.3.3' ...]
        ZdevFc             S   s   g | ]}t |r|qS r   )r	   ).0rr   r   r   
<listcomp>C   s    z8WorkerUpdates.check_update_available.<locals>.<listcomp>c                s"   g | ]}t |r| jkr|qS r   )r	   r   )r   r   )r   r   r   r   E   s    <)r   r	   r   r   )r   r   r   r   )r   r   check_update_available6   s    

z$WorkerUpdates.check_update_availablec             C   s  t  rPd| _tjdkr&|  jd7  _qVtjdkr@|  jd7  _qV|  jd7  _nd| _d| _t| _d	}yt	t
d
rt
 }t| j|d}n
t| j}y| }t|ts| }t|}t  r| jd	krg | _x:|d D ].}d|krtd|s| j|dd  qW |  }n,| jd	krHdd |D | _tt| j| _|  }|\| _| _W n tk
r|   td}Y nX W nV tk
r   td}Y n: tk
r   td}Y n tk
r   td}Y nX | jr|d	k	s|| _ | j!"  d	S )z'Main method of the WorkerUpdates workerz#https://repo.anaconda.com/pkgs/mainntz/win-64/repodata.jsondarwinz/osx-64/repodata.jsonz/linux-64/repodata.jsonz7https://api.github.com/repos/spyder-ide/spyder/releasesFN_create_unverified_context)contextZpackagesspyderzspyder-[a-zA-Z]-   c             S   s   g | ]}|d   ddqS )Ztag_namevr   )replace)r   itemr   r   r   r   y   s   z'WorkerUpdates.start.<locals>.<listcomp>zUnable to retrieve information.zXUnable to connect to the internet. <br><br>Make sure the connection is working properly.zUnable to check for updates.)#r   ZurlosnamesysplatformZupdate_availabler   r   hasattrsslr!   r
   read
isinstancestrdecodejsonloadsr   researchappendsplitr   listreversed	Exceptionr   r   r   r   r   	sig_readyemit)r   Z	error_msgr"   Zpagedatar(   resultr   r   r   startM   s\    







zWorkerUpdates.start)r   N)	__name__
__module____qualname____doc__r   r<   r   r   r@   r   r   r   r   r       s
   
r   )r3   r)   r5   r.   r+   Zqtpy.QtCorer   r   r#   r   Zspyder.config.baser   Zspyder.py3compatr   Zspyder.config.utilsr   Zspyder.utils.programsr   r	   Zurllib.requestr
   Zurllib.errorr   r   Zurllib2r   r   r   r   r   <module>   s   