o Rŀg @s\dZddlZddZddZeZddZd d Zd d Zed kr,ddl m Z e dSdS)z3Functions to calculate assorted sequence checksums.NcCs2zt|}Wn ty|}Ynwt|S)zReturn the crc32 checksum for a sequence (string or Seq object). Note that the case is important: >>> crc32("ACGTACGTACGT") 20049947 >>> crc32("acgtACGTacgt") 1688586483 )bytes TypeErrorencodebinasciicrc32)seqsr I/var/www/html/myenv/lib/python3.10/site-packages/Bio/SeqUtils/CheckSum.pyrs     rcCsjg}tdD],}|}d}tdD]}|d@}|dL}|d@r"|dO}|dL}|r,|dN}q||q|S)Nrll0)rangeappend)_table_hipart_lpart_hjrflagr r r _init_table_h$s   rcCsdd}d}|D]"}|d@d>}|d?}|d?|B}|t|Ad@}|t|A}|}qd|d|dS)zReturn the crc64 checksum for a sequence (string or Seq object). Note that the case is important: >>> crc64("ACGTACGTACGT") 'CRC-C4FBB762C4A87EBD' >>> crc64("acgtACGTacgt") 'CRC-DA4509DC64A87EBD' rr zCRC-08X)ordr)rcrclcrchcshrtemp1htemp1lidxr r r crc649s    r"cCsBd}}|D]}|d7}||t|7}|dkrd}q|dS)aReturn the GCG checksum (int) for a sequence (string or Seq object). Given a nucleotide or amino-acid sequence (or any string), returns the GCG checksum (int). Checksum used by GCG program. seq type = str. Based on BioPerl GCG_checksum. Adapted by Sebastian Bassi with the help of John Lenton, Pablo Ziliani, and Gabriel Genellina. All sequences are converted to uppercase. >>> gcg("ACGTACGTACGT") 5688 >>> gcg("acgtACGTacgt") 5688 rr 9i')rupper)rindexchecksumcharr r r gcgQsr(cCsrddl}ddl}|}zt|}Wn ty|}Ynw|||| }| dd dS)aReturn the SEGUID (string) for a sequence (string or Seq object). Given a nucleotide or amino-acid sequence (or any string), returns the SEGUID string (A SEquence Globally Unique IDentifier). seq type = str. Note that the case is not important: >>> seguid("ACGTACGTACGT") 'If6HIvcnRSQDVNiAoefAzySc6i4' >>> seguid("acgtACGTacgt") 'If6HIvcnRSQDVNiAoefAzySc6i4' For more information about SEGUID, see: http://bioinformatics.anl.gov/seguid/ https://doi.org/10.1002/pmic.200600032 rN =) base64hashlibsha1rrrupdater$ encodebytesdigestdecodereplacerstrip)rr,r-mtmpr r r seguidls   r7__main__) run_doctest) __doc__rrrrr"r(r7__name__ Bio._utilsr9r r r r s!