³ò OÉcIc @sÓdZddkZddkZddkZddkZddkZddkZddkZddkZdd„Z d„Z d„Z d„Z d„Zdd„Zd „Zd „Zddd „Zdd „ZdS( s9Invoke rdiff utility to make signatures, deltas, or patchiÿÿÿÿNcCsV|pt|iƒƒ}ntid|iƒ|fdƒti|idƒ|ƒS(s5Take signature of rpin file and return in file objects)Getting signature of %s with blocksize %sitrb(tfind_blocksizetgetsizetlogtLogt get_indexpathtlibrsynctSigFiletopen(trpt blocksize((s7/var/lib/python-support/python2.5/rdiff_backup/Rdiff.pyt get_signatures  cCs4|djodSntt|dƒdƒdSdS(sèReturn a reasonable block size to use on files of length file_len If the block size is too big, deltas will be bigger than is necessary. If the block size is too small, making deltas and patching can take a really long time. ii@gà?iN(tlongtpow(tfile_len((s7/var/lib/python-support/python2.5/rdiff_backup/Rdiff.pyR!s cCs3tid|ifdƒti||idƒƒS(s0Like get_delta but signature is in a file objects)Getting delta of %s with signature streamiR(RRtpathRt DeltaFileR(t sig_fileobjtrp_new((s7/var/lib/python-support/python2.5/rdiff_backup/Rdiff.pytget_delta_sigfileobj-scCsEtid|i|iƒfdƒti|idƒ|idƒƒS(s6Take signature rp and new rp, return delta file objects%Getting delta of %s with signature %siR(RRRRRRR(t rp_signatureR((s7/var/lib/python-support/python2.5/rdiff_backup/Rdiff.pytget_delta_sigrp2s cCsNtid|i|iƒfdƒti|idƒti|idƒƒƒS(s:Like above but also calculate hash of new as close() values1Getting delta (with hash) of %s with signature %siR( RRRRRRRthasht FileWrapper(RR((s7/var/lib/python-support/python2.5/rdiff_backup/Rdiff.pytget_delta_sigrp_hash8s cCs[tid|i|i|ifdƒtit|ƒ|idƒƒ}|i||ƒdS(s+Write rdiff delta which brings basis to newsWriting delta %s from %s -> %siRN(RRRRRR Rtwrite_from_fileobj(tbasistnewtdeltatcompresst deltafile((s7/var/lib/python-support/python2.5/rdiff_backup/Rdiff.pyt write_delta@s !cCsCtiti||ƒ|ƒ|iƒ o|iƒ pt‚dS(sAWrite patched file to out_fp given input fps. Closes input filesN(trpatht copyfileobjRt PatchedFiletclosetAssertionError(tbasis_fptdelta_fptout_fp((s7/var/lib/python-support/python2.5/rdiff_backup/Rdiff.pytwrite_patched_fpGscCs2ti|ƒ}|i|ƒ}ti||ƒ|S(s:Write fileobj fp to rp by writing to tempfile and renaming(tTempFileRRR trename(tfpR ttftretval((s7/var/lib/python-support/python2.5/rdiff_backup/Rdiff.pytwrite_via_tempfileLscCsŠ|itijpt‚|o|iddƒ}n|idƒ}ti|idƒ|ƒ}|o|i|ƒSnt||ƒSdS(s5Patch routine that must be run locally, writes to outrp This should be run local to rp_basis because it needs to be a real file (librsync may need to seek around in it). If outrp is None, patch rp_basis instead. The return value is the close value of the delta, so it can be used to produce hashes. RiN( tconntGlobalstlocal_connectionR$RRR"RR.(trp_basistrp_deltatoutrptdelta_compressedRt patchfile((s7/var/lib/python-support/python2.5/rdiff_backup/Rdiff.pyt patch_localSs cCs…|itijpt‚|iiit|ƒ|idƒƒ}ti|idƒ|ƒ}|o|i |ƒnt ||ƒdS(s@Write rpnew == rpin using rpout as basis. rpout and rpnew localRN( R/R0R1R$RRR RR"RR.(trpintrpouttrpnewRt patched_file((s7/var/lib/python-support/python2.5/rdiff_backup/Rdiff.pyt copy_locales(t__doc__tosRR0RtstaticR)R RtNoneR RRRRRR(R.R7R<(((s7/var/lib/python-support/python2.5/rdiff_backup/Rdiff.pyssH