o h @sjdZddgZddlZddlmZddlmZedddejdd d dd dZ ejdd d d dZ dS)z Read graphs in LEDA format. LEDA is a C++ class library for efficient data types and algorithms. Format ------ See http://www.algorithmic-solutions.info/leda_guide/graphs/leda_native_graph_fileformat.html read_leda parse_ledaN) NetworkXError) open_filerb)modeT)graphs returns_graphUTF-8csfdd|D}t|}|S)aRead graph in LEDA format from path. Parameters ---------- path : file or string File or filename to read. Filenames ending in .gz or .bz2 will be uncompressed. Returns ------- G : NetworkX graph Examples -------- G=nx.read_leda('file.leda') References ---------- .. [1] http://www.algorithmic-solutions.info/leda_guide/graphs/leda_native_graph_fileformat.html c3s|]}|VqdS)N)decode.0lineencodingk/var/www/html/construction_image-detection-poc/venv/lib/python3.10/site-packages/networkx/readwrite/leda.py ,szread_leda..)r)pathrlinesGrrrrsc CsXt|tr t|d}tdd|D}tdD]}t|qtt|}|dkr/t}nt }tt|}i}td|dD]}t| d}|dkrUt|}|||<qB| d d| Dtt|}t|D]9}z t|\}} } } Wnty} z td |d| d } ~ ww|j|t||t| | d d dqp|S)a|Read graph in LEDA format from string or iterable. Parameters ---------- lines : string or iterable Data in LEDA format. Returns ------- G : NetworkX graph Examples -------- G=nx.parse_leda(string) References ---------- .. [1] http://www.algorithmic-solutions.info/leda_guide/graphs/leda_native_graph_fileformat.html  cSs(g|]}|ds|dks|dqS))#rr) startswithrstripr rrr Iszparse_leda..z|{}| rcSsg|]\}}|qSrr)r isrrrrasz"Too few fields in LEDA.GRAPH edge N)label) isinstancestritersplitrangenextintnxDiGraphGraphrstripadd_nodes_fromitems BaseExceptionradd_edge) rr durnnodesymbolmr!treversalr$errrrrr1s>         *)r ) __doc____all__networkxr,networkx.exceptionrnetworkx.utilsr _dispatchablerrrrrrs