3 \@s.ddlZddlZGdddeZdddZdS)Nc@seZdZdZdS) PatchErrorz Error during the patch process N)__name__ __module__ __qualname____doc__rr@/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradePatcher.pyrsrcCstd\}}t|dd}|j}WdQRXd}}|} t|dd}|j} WdQRXxT| D]J} | |kr| j} | jdr| dd} | jdd\} } | rtd | jd\}}}tj ||||dd \}}|||<q`| d}| ddjd \}}}t |}|d8}|d kr"|d}nt |}|d krL|||=|} |d8}n2|dkr\|} n"|dkrr|||=n td| q`| |kr`| dkr|} q`|d7}|j || q`Wd j |}|rt j}|j|jd|j|krtdt|ddd}|j|WdQRXdS)z python implementation of enough "ed" to apply ed-style patches. Note that this patches in memory so its *not* suitable for big files zUTF-8)encodingNrzs//zflags for s// not supported yet)count,cadzunknown command: '%s'z. z(the md5sum after patching is not correctwTr)rangeopen readlinesstrip startswithrsplitr partitionresubnintinsertjoinhashlibmd5updateencodeZ hexdigestwrite)ZorigZedpatchZ result_md5sumZSTATE_EXPECT_COMMANDZSTATE_EXPECT_DATAfZ orig_linesstartendstatelineslineZsubsflagsZregexpsepreplnewr ZcommandZ start_strZend_strresultr"rrrpatchsb              r1)N)r!r Exceptionrr1rrrrs