³ò OÉcIc @s*dZddklZddkZddkZddkZddkZddkZddkZddk Z ddk Z ddk Z d„Z d„Z d„Zd„Zd„Zdd „Zdd „Zd eifd „ƒYZeieƒd eifd„ƒYZeieƒddd„ƒYZdS(s¬Perform various kinds of comparisons. For instance, full-file compare, compare by hash, and metadata-only compare. This uses elements of the backup and restore modules. iÿÿÿÿ(t generatorsNcCsV|iii}|iii}|i|||ƒ}t|i|ƒƒ}|iƒ|S(sBCompares metadata in src_rp dir with metadata in mirror_rp at time(tconntcomparetRepoSidetDataSidetinit_and_get_itert print_reportst compare_fasttclose_rf_cache(tsrc_rpt mirror_rptinc_rpt compare_timet repo_sidet data_sidet repo_itert return_val((s9/var/lib/python-support/python2.5/rdiff_backup/compare.pytCompares  cCsV|iii}|iii}|i|||ƒ}t|i|ƒƒ}|iƒ|S(súCompare files at src_rp with repo at compare_time Note metadata differences, but also check to see if file data is different. If two regular files have the same size, hash the source and compare to the hash presumably already present in repo. (RRRRRRt compare_hashR(R R R R R RRR((s9/var/lib/python-support/python2.5/rdiff_backup/compare.pyt Compare_hash(s  c Csn|iii}|iii}|iƒ}|i||||ƒ}|i||ƒ}t|ƒ} |iƒ| S(sCompare full data of files at src_rp with repo at compare_time Like Compare_hash, but do not rely on hashes, instead copy full data over. ( RRRRtget_source_selectt attach_filest compare_fullRR( R R R R R Rtsrc_itertattached_repo_itert report_iterR((s9/var/lib/python-support/python2.5/rdiff_backup/compare.pyt Compare_full8s     c CsO|itijpt‚ti|||ƒ}tii}d}xâ|D]Ú}|iƒpqHn|i ƒp$t i d|i ƒfdƒqHnti i||i|ƒ}ti|ƒ}||iƒjot i d|i ƒdƒqH|d7}t i d|i ƒ||iƒfdƒqHWtiƒ|pt i dd ƒn|S( s@Compute SHA1 sums of repository files and check against metadatais^Warning: Cannot find SHA1 digest for file %s, perhaps because this feature was added in v1.1.1isVerified SHA1 digest of iisyWarning: Computed SHA1 digest of %s %s doesn't match recorded digest of %s Your backup repository may be corrupted!s!Every file verified successfully.i(RtGlobalstlocal_connectiontAssertionErrorRRt mirror_basetindextisregthas_sha1tlogtLogt get_indexpathtrf_cachetget_fpthashtcompute_sha1_fptget_sha1R( R R t verify_timeRt base_indext bad_filest repo_rorptfpt computed_hash((s9/var/lib/python-support/python2.5/rdiff_backup/compare.pytVerifyJs0        cCsƒti pt‚d}xI|D]A}d}|iodi|iƒpd}d|i|fGHqW|ptiddƒn|S(s<Given an iter of CompareReport objects, print them to screeniit/t.s%s: %ss2No changes found. Directory matches archive data.i(RtserverRRtjointreasonR"R#(Rtchanged_files_foundtreportt indexpath((s9/var/lib/python-support/python2.5/rdiff_backup/compare.pyRgs#cCs9|o |i}n |i}| p|iƒ ot|dƒSnò| p|iƒ ot|dƒSnË|o¡|iƒo”|iƒo‡||jo d}nd}|||ƒ}| o| od Sn|o d}nd}|o d}nd}t|||ƒSn#||jod Snt|d ƒSd S( sCompare src_rp and repo_rorp, return CompareReport comp_data_func should be a function that accepts (src_rp, repo_rorp) as arguments, and return 1 if they have the same data, 0 otherwise. If comp_data_func is false, don't compare file data, only metadata. tnewtdeletediismetadata changed, smetadata the same, s data changeds data the sametchangedN(Rtlstatt CompareReportR tNone(R R-tcomp_data_funcRt meta_changedt data_changedt meta_stringt data_string((s9/var/lib/python-support/python2.5/rdiff_backup/compare.pytget_basic_reportts0   !    cCs;|o |iƒp |iƒ}tid|fdƒdS(s3Log that src_rorp and mir_rorp compare successfullysSuccessful compare: %siN(R$R"R#(tsrc_rorptmir_rorptpath((s9/var/lib/python-support/python2.5/rdiff_backup/compare.pyt log_success‘s RcBs eZdZd„Zd„ZRS(s3On the repository side, comparing is like restoringcCs9|i|ƒ|i||ƒ|i|ii|iƒƒS(s&Return rorp iter at given compare time(tset_mirror_and_rest_timestinitialize_rf_cachetsubtract_indiciesRRtget_mirror_rorp_iter(tclsR R R ((s9/var/lib/python-support/python2.5/rdiff_backup/compare.pyR™s c cs+|i|||ƒ}|ii}xti||ƒD]ï\}}|o |ip|i} |o¤|o|iƒ o!||jot||ƒq4n|iƒo]|iƒoP|iƒ|iƒjo7|ii || |ƒ} |i | ƒ|i dƒqn|o |Vq4t i | ƒVq4WdS(sÁAttach data to all the files that need checking Return an iterator of repo rorps that includes all the files that may have changed, and has the fileobj set on all rorps that need it. tsnapshotN(RRRtrorpitert Collate2ItersR RHtgetsizeR%R&tsetfiletset_attached_filetypetrpathtRORPath( RMRR R R RR+RERFRR.((s9/var/lib/python-support/python2.5/rdiff_backup/compare.pyR s"     (t__name__t __module__t__doc__RR(((s9/var/lib/python-support/python2.5/rdiff_backup/compare.pyR—s RcBs)eZdZd„Zd„Zd„ZRS(sAOn the side that has the current data, compare is like backing upccs_|iƒ}xLti||ƒD]8\}}t||ƒ}|o |Vqt||ƒqWdS(s9Compare rorps (metadata only) quickly, return report iterN(RRORPRDRH(RMRRRERFR7((s9/var/lib/python-support/python2.5/rdiff_backup/compare.pyR¾s   ccskd„}|iƒ}xOti||ƒD];\}}t|||ƒ}|o |Vq(t||ƒq(WdS(s;Like above, but also compare sha1 sums of any regular filescSss|iƒp%tid|iƒfdƒdSn>|iƒ|iƒjo$ti|ƒ|iƒjodSndS(s/Return 0 if their data hashes same, 1 otherwises?Warning: Metadata file has no digest for %s, unable to compare.iii(R!R"R#R$RQR't compute_sha1R)(R RF((s9/var/lib/python-support/python2.5/rdiff_backup/compare.pythashes_changedÈs  N(RRORPRDRH(RMRRZRR RFR7((s9/var/lib/python-support/python2.5/rdiff_backup/compare.pyRÆs   c#skd„‰‡fd†}xL|D]D}|i|iƒ}t|||ƒ}|o |Vqt|ƒqWdS(s;Given repo iter with full data attached, return report itercSstid|ifdƒdS(NsError reading file %sii(R"R#RG(texcR R-((s9/var/lib/python-support/python2.5/rdiff_backup/compare.pyt error_handlerÛscs>|iƒ|iƒjodSntiˆti||fƒ S(s5Return 0 if full compare of data matches, 1 otherwisei(RQtrobusttcheck_common_errorRTtcmp(R R-(R\(s9/var/lib/python-support/python2.5/rdiff_backup/compare.pyRAßs N(t new_indexRRDRH(RMtsrc_rootRRAR-R R7((R\s9/var/lib/python-support/python2.5/rdiff_backup/compare.pyRÙs  (RVRWRXRRR(((s9/var/lib/python-support/python2.5/rdiff_backup/compare.pyR¼s  R=cBseZdZdZd„ZRS(s,When two files don't match, this tells you how they don't match This is necessary because the system that is doing the actual comparing may not be the one printing out the reports. For speed the compare information can be pipelined back to the client connection as an iter of CompareReports. cCs||_||_dS(N(RR5(tselfRR5((s9/var/lib/python-support/python2.5/rdiff_backup/compare.pyt__init__ûs N(RVRWRXR>tfileRc(((s9/var/lib/python-support/python2.5/rdiff_backup/compare.pyR=îs((RXt __future__RRtrestoreROR"tbackuptstaticRTR'R]RRRR0RR>RDRHt MirrorStructRt MakeClasst SourceStructRR=(((s9/var/lib/python-support/python2.5/rdiff_backup/compare.pyssl     " /