U ?h#@sdZddlmZddlZddlmZddlZddlZddlZddl m Z m Z ddl m Z m Z Gdd d eZGd d d eZdddZdddZdddZddZddZdS)z'Data downloading and reading functions )logN)path) appdata_dir resource_dirs)StdoutProgressIndicatorurlopenc@seZdZdZdS)InternetNotAllowedErrorzxPlugins that need resources can just use get_remote_file(), but should catch this error and silently ignore it. N__name__ __module__ __qualname____doc__rrG/var/www/html/venv/lib/python3.8/site-packages/imageio/core/fetching.pyr sr c@seZdZdZdS)NeedDownloadErrorzIs raised when a remote file is requested that is not locally available, but which needs to be explicitly downloaded by the user. Nr rrrrrsrFTc Cs0d}||}t|}|}|p$td}t}|d||D]} t| |} t| r<|s|r|| krtj||} t t | st t t | t | | | S| St|trtk r } z|| tdt| W5d} ~ XYnXW5|dk r*|js*|Xq0tdtj|dS)aLoad requested file, downloading it if needed or requested Parameters ---------- url: string The url of file to be downloaded. file_name: string Name, along with the path, of where downloaded file will be saved. print_destination: bool, optional If true, destination of where file was saved will be printed after download finishes. resume: bool, optional If true, try to resume partially downloaded files. z?Imageio: %r was not found on your computer; downloading it now.z.partNrg@)timeoutContent-LengthzTry %i. Download from %s (%s)rwb) initial_sizeTzFile saved as %s. zError while fetching file: %s.zhUnable to download %r. Perhaps there is no internet connection? If there is, please report this problem.)r)rrbasenamer,closedcloserintheadersstrip _sizeof_fmtopen _chunk_readr!movesysstdoutwrite Exceptionappendr$r.) r3 file_nameZprint_destinationZtemp_file_name local_filer>errorstriesZ remote_file file_sizesize_strerrrr-sD      &   r- cCsl|}t|jd}||7}td}|dd|||}|t|7}|sPq^t|||q4|ddS)aDownload a file chunk by chunk and show advancement Can also be used when resuming downloads over http. Parameters ---------- response: urllib.response.addinfourl Response to the download request in order to get file size. local_file: file Hard disk file where data should be written. chunk_size: integer, optional Size of downloaded chunks. Default: 8192 initial_size: int, optional If resuming, indicate the initial size of the file. r<Z DownloadingrbytesDoneN) rBrCrDrstartreadlen _chunk_writefinish)responserO chunk_sizer>Z bytes_so_farZ total_sizeprogresschunkrrrrGs  rGcCs&|||t|tddS)z1Write a chunk to file and update the progress barrN)rKZincrease_progressrZr%r/)r`rOr_rrrr[s r[cCsddddddg}dddd d d g}|dkrxttt|d t|d}t|d |}||}||}d |}|||S|dkrd Sd S)z,Turn number of bytes into human-readable strrVkBMBGBTBPBrrriz {0:.%sf} {1}z0 bytesz1 byte)minrBrrZfloatformat)numZunitsZdecimalsexponentZquotientunitZ num_decimals format_stringrrrrEs rE)NFT)T)rUr)rmathrrrrrIr!r%rrrrrr.r rr9r-rGr[rErrrrs   c ; %