rdZddlZddlZddlZddlZddlmZddlmZddl m Z Gdde Z d dZ d d Zy) z#Generates tarballs for Git trees. N)SEEK_END)BytesIO)closingceZdZdZdZddZy)ChunkedBytesIOa=Turn a list of bytestrings into a file-like object. This is similar to creating a `BytesIO` from a concatenation of the bytestring list, but saves memory by NOT creating one giant bytestring first:: BytesIO(b''.join(list_of_bytestrings)) =~= ChunkedBytesIO( list_of_bytestrings) c ||_d|_y)N)rr)contentspos)selfr s "lib/third_party/dulwich/archive.py__init__zChunkedBytesIO.__init__.s  Nc|dkr td}g}|j\}}|t|jkr|t|j||z kr3|j |j||||z||z }||f|_nh|j |j||d|t|j||z z}|dz }d}||f|_|t|jkrdj |S)Nrinfr)floatr lenr appendjoin)r maxbytesbufchunkcursors r readzChunkedBytesIO.read2s a<U|H vc$--((#dmmE23f<< 4==/(9JKL("!6? 4==/89C e 45>> !6?c$--((xx}r)N)__name__ __module__ __qualname____doc__r rrr rr#srrc#|Kt}ttjdd|z|5}|dk(rx|j d|j ddk(sJd|j d|j tjd ||j dtt|||D]\}} ||j} t| j} tj} |j!d | _| j%| _|j(| _|| _|j-| | |j/|j1d|j d ddd|j/y#t$rYwxYw#1swY+xYww) aEGenerate a tar stream for the contents of a Git tree. Returns a generator that lazily assembles a .tar.gz archive, yielding it in pieces (bytestrings). To obtain the complete .tar.gz binary file, simply concatenate these chunks. Args: store: Object store to retrieve objects from tree: Tree object for the tree root mtime: UNIX timestamp that is assigned as the modification time for all files, and the gzip header modification time if format='gz' format: Optional compression format for tarball Returns: Bytestrings Nzw:%sgzrszInvalid gzip headerz HHQK88A;+- D/D D- HHQK IIfkk$. / HHQ !$.udF$C M5 UYY' "$,,/D??$D%,,W5DI)DI DIDJ KKd #,,. LLO HHQK'%D ;B ,,.#  ! ; :sB.F<BF0F!B4F0F<! F-*F0,F--F00F95F<c#K|jD]k}tj||j}t j |j r$t|||j|D]}|f||fmyw)zfRecursively walk a dulwich Tree, yielding tuples of (absolute path, TreeEntry) along the way. N) iteritems posixpathrpathstatS_ISDIRr4r+r,)r9r:rootr?r>_s r r+r+}sl!!tUZZ8 << #uUYY'7GH!%( ( "sBB)r)r)rrFrHr%r)osrior contextlibrobjectrrCr+rrr rQs9,  "V"J2j )r