ó ,µ[c@sudZdZddgZddlZddlmZddlmZm Z edd d ƒd d „ƒZ d „Z dS(sÑ 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 sAric Hagberg (hagberg@lanl.gov)t read_ledat parse_ledaiÿÿÿÿN(t NetworkXError(t open_filetis_string_likeitmodetrbsUTF-8cs&‡fd†|Dƒ}t|ƒ}|S(s±Read 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|]}|jˆƒVqdS(N(tdecode(t.0tline(tencoding(s6lib/python2.7/site-packages/networkx/readwrite/leda.pys 2s(R(tpathR tlinestG((R s6lib/python2.7/site-packages/networkx/readwrite/leda.pyRs c Cst|ƒr$t|jdƒƒ}ntg|D]?}|jdƒp[|jdƒp[|dks.|jdƒ^q.ƒ}xtdƒD]}t|ƒqƒWtt|ƒƒ}|dkrÄtj ƒ}n tj ƒ}tt|ƒƒ}i}x[td|dƒD]F}t|ƒjƒj dƒ}|dkr8t |ƒ}n||| s