dtj2^ UddlmZddlZddlZddlZddlZddlZddlZddlZddl m Z m Z m Z m Z ddlmZddlmZddlmZddlmZmZmZmZddlmZerddlZdd lmZdd lmZd Zed Z dqdrdZ! dqdsdZ"iZ#de$d<dtdZ%dud Z&dvd(Z' dwdxd0Z(dyd4Z)dzd7Z*d{d;Z+d|d>Z, d}d~dDZ-ddFZ.ddHZ/ddJZ0ddKZ1ddMZ2ddOZ3 dddXZ4dd[Z5dd_Z6ej7ddaZ8 dddiZ9ddkZ:ej7dddnZ;doZ>> infer_storage_options('/mnt/datasets/test.csv') # doctest: +SKIP {"protocol": "file", "path", "/mnt/datasets/test.csv"} >>> infer_storage_options( ... 'hdfs://username:pwd@node:123/mnt/datasets/test.csv?q=1', ... inherit_storage_options={'extra': 'value'}, ... ) # doctest: +SKIP {"protocol": "hdfs", "username": "username", "password": "pwd", "host": "node", "port": 123, "path": "/mnt/datasets/test.csv", "url_query": "q=1", "extra": "value"} z^[a-zA-Z]:[\\/]z^[a-zA-Z0-9+.-]+://Nfile)protocolpath#z^/([a-zA-Z])[:|]([\\/].*)$:)httphttps@rhost)s3s3agcsgsrportusernamepassword url_query url_fragment)rematchrschemefragmentjoinrgroupsnetlocrsplitr)r*r+queryupdate_storage_options) rr is_filesystemis_uri parsed_pathrr windows_pathdriveoptionss J/var/www/html/CA-Chatbot/venv/lib/python3.11/site-packages/fsspec/utils.pyinfer_storage_optionsr?s@H/99MX,g 6 6F5"G4447##K!+VH xx);+?@AA6x =tDD  %&--//KE4$$d$$D$$$$g666+3TBBG7&,33C;;B?FFsANNqQ 1 1 1%fo?GFOO%foGFO   /).GFO   7"-"6GJ    7"-"6GJ 1*0 7"-"6Aw(?@@@ Nr= inheritedNonec|si}t|t|z}|rC|D]@}||||krtd|A||dS)Nz9Collision between inferred and specified storage option: )setgetKeyErrorupdate)r=rA collisions collisions r>r7r7ys  WI.J#  I{{9%%y)A)AAA, ),,B  NN9r@zdict[str, str] compressionsfilename str | Nonectj|dd}|t vr t |SdS)aInfer compression, if available, from filename. Infer a named compression type, if registered and available, from filename extension. This includes builtin (gz, bz2, zip) compressions, as well as optional compressions. See fsspec.compression.register_compression. r#.N)osrsplitextstriplowerrJ)rK extensions r>infer_compressionrTsS  **2.44S99??AAIL  I&& 4r@max_intfloatCallable[[int], str]c|dz }ttjtj|dfd }|S)aReturns a function that receives a single integer and returns it as a string padded by enough zero characters to align with maximum possible integer >>> name_f = build_name_function(57) >>> name_f(7) '07' >>> name_f(31) '31' >>> build_name_function(1000)(42) '0042' >>> build_name_function(999)(42) '042' >>> build_name_function(0)(0) '0' g:0yE>iintrrcHt|SN)rzfill)rY pad_lengths r> name_functionz*build_name_function..name_functions1vv||J'''r@)rYrZrr)rZmathceillog10)rUr_r^s @r>build_name_functionrcsU& tOGTYtz'223344J(((((( r@r IO[bytes] delimiterbytes blocksizerZboolc|dkrdSd} ||}|sdS|r||zn|} ||vra||}||t ||z z t |zdSt ||krdSn#t t f$rYnwxYw|t | d})aSeek current file to file start, file end, or byte after delimiter seq. Seeks file to next chunk delimiter, where chunks are defined on file start, a delimiting sequence, and file end. Use file.tell() to see location afterwards. Note that file start is a valid split, so must be at offset > 0 to seek for delimiter. Parameters ---------- file: a file delimiter: bytes a delimiter like ``b'\n'`` or message sentinel, matching file .read() type blocksize: int Number of bytes to read from the file at once. Returns ------- Returns True if a delimiter was found, False if at file start or end. rFNT)tellreadindexseeklenOSError ValueError)rrerglastcurrentfullrYs r>seek_delimiterrts. yy{{auD'))I&& 5!%2tg~~7 D  JJy)) $))++TQ7#i..HIIItW ))u*$    D S^^O%%&!'sA#B<&B<<CCFfoffsetlength int | None bytes | None split_beforec|r||t||d}||S|}|||z z}|||zt||d}|}|r|r|t |z}|r|r|t |z}|}||z }|||J||} | S)aRead a block of bytes from a file Parameters ---------- f: File Open file offset: int Byte offset to start read length: int Number of bytes to read, read through end of file if None delimiter: bytes (optional) Ensure reading starts and stops at delimiter bytestring split_before: bool (optional) Start/stop read *before* delimiter bytestring. If using the ``delimiter=`` keyword argument we ensure that the read starts and stops at delimiter boundaries that follow the locations ``offset`` and ``offset + length``. If ``offset`` is zero then we start at zero, regardless of delimiter. The bytestring returned WILL include the terminating delimiter string. Examples -------- >>> from io import BytesIO # doctest: +SKIP >>> f = BytesIO(b'Alice, 100\nBob, 200\nCharlie, 300') # doctest: +SKIP >>> read_block(f, 0, 13) # doctest: +SKIP b'Alice, 100\nBo' >>> read_block(f, 0, 13, delimiter=b'\n') # doctest: +SKIP b'Alice, 100\nBob, 200\n' >>> read_block(f, 10, 10, delimiter=b'\n') # doctest: +SKIP b'Bob, 200\nCharlie, 300' i)rmrtrkrjrn) rurvrwrerzfound_start_delimstartfound_end_delimendbs r> read_blockrsV v*1i?? >6688O%&.  uv~(Iu==ffhh  $ $ S^^ #E  "| " 3y>> !CuFF6NNN     vA Hr@argsr kwargsc|r||fz } tt|}n@#t$r3tt|d}YnwxYw|S)zDeterministic token (modified from dask.base) >>> tokenize([1, 2, '3']) '9d71491b50023b06fc76928e6eddb952' >>> tokenize('Hello') == tokenize('Hello') True F)usedforsecurity)r rencoderp hexdigest)rrhs r>tokenizer2s  ; D   "" # # ;;; D   ""E : : :; ;;==s.9:A65A6filepath%str | os.PathLike[str] | pathlib.Pathct|tr|St|dr|St|dr|jS|S)a6Attempt to convert a path-like object to a string. 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