a `e @sddlZddlZddlZddlZz ddlZWneyFddlZYn0ddlZddlm Z ddl m Z m Z ddl mZd dd ZdS) N) AtomicCounter)RangeNotAvailableErrorOdmError)ReadTimeoutError c stj|stj|ddztjdd}|j}tj|tj|jd}|durft |nd} d} t |dd} d} |d } | dur0| d kr0| dur0| | kr0|d kr0t t | t | |}Gfd d d fdd}fdd}tg}t|D]$}tj|d}|||q*tj|d}|d}tD]6}t|| d | d }|||ff|d }qptjsΈjdurtdqtt|D]}dq|D]}|q|jdur4tjtr(d} njnd} | rtd`}| dD]D}| t|7} dur| durdt | | |!|qPWdn1s0YWn<tj"j#tj"j$t%fy}zt&|WYd}~n d}~00S)aWDownload files in parallel (download accelerator) Args: url (str): URL to download destination (str): directory where to download file. If the directory does not exist, it will be created. progress_callback (function): an optional callback with one parameter, the download progress percentage. parallel_downloads (int): maximum number of parallel downloads if the node supports http range. parallel_chunks_size (int): size in MB of chunks for parallel downloads timeout (int): seconds before timing out Returns: str: path to file T)exist_ok)timeoutstreamzcontent-lengthNriFz accept-rangesbytescs"eZdZedZdgZdZdS)zdownload..nonlocrFN)__name__ __module__ __qualname__rcompleted_chunks merge_chunkserror) num_chunksr/code/opendm/net.pynonloc2s rc sd}td}|krjdurj|rd|f}t|d}||Wdn1sf0Yt||d7}qtdqWdn1s0YdS)Nrwb %s.part%srbr 皙?) openrrwritereadosunlinktimesleep) current_chunkout_file chunk_filefd)rr output_pathrrmerge7s    ,  zdownload..mergec s,}|\}}|dus"jdur.q(zzrtjddd|id}|jdkrtd|fd}d}z"|d D]}|||7}qWn<tjj tjj fy}zt t |WYd}~n d}~00||d |dd kr ||fWdWWdSWdn1s.0Yjj>jjd 7_durpd jjWdn1s0Ydj|<nt_Wnht y}z$td  ||fWYd}~n4d}~0ty}z|_WYd}~n d}~00Wq0qdS) NTRangez bytes=%s-%s)r r headersrrrr Y@)getr task_donerequests status_coder iter_contentr exceptionsTimeoutConnectionErrorrstrputrlockvaluerrr!r" Exception)taskpart_num bytes_rangeresr& bytes_writtenchunkerrr'progress_callbackqr urlrrworkerGs@ "$  4   "zdownload..worker)targetr)Nrr,r-)'rpathexistsmakedirsr1r/r*joinbasenameintlowermathceilfloatqueue PriorityQueuerange threadingThreadstartappendminr8allrrr!r"len isinstancerrr3rr4r5r6rr)rF destinationrDparallel_downloadsparallel_chunks_sizer download_streamr*content_length total_length downloaded chunk_size use_fallback accept_ranges num_workersr(rGthreadsit merge_thread range_start range_endr&rArBrrCrdownloadsj   6*         2rp)Nrrr)r1rQrr!rT ImportErrorQueuerW pyodm.utilsrpyodm.exceptionsrrZurllib3.exceptionsrrprrrrs