U Ñtœdã@s”ddlmZmZmZddlmZmZddlmZm Z m Z dZ dd„Z ddd „Z dd d „Zd d „Zdd„Zdd„Zdd„Zdd„Zdd„Zdd„ZdS)é)Ú GraphBaseÚVertexÚEdge)Ú VertexSeqÚEdgeSeq)Údisjoint_unionÚunionÚ intersection) Ú__iadd__Ú__add__Ú__and__Ú__isub__Ú__sub__Ú__mul__Ú__or__Ú_disjoint_unionÚ_unionÚ _intersectioncCst|tƒr|g}t|g|ƒS)z¬Creates the disjoint union of two (or more) graphs. @param other: graph or list of graphs to be united with the current one. @return: the disjoint union graph )Ú isinstancerr©ÚgraphÚother©rúQ/home/sam/Atlas/atlas_env/lib/python3.8/site-packages/igraph/operators/methods.pyrs rÚautocCs"t|tƒr|g}t|g||dS)a Creates the union of two (or more) graphs. @param other: graph or list of graphs to be united with the current one. @param byname: whether to use vertex names instead of ids. See L{igraph.operators.union} for details. @return: the union graph ©Úbyname)rrr©rrrrrrr's rcCs"t|tƒr|g}t|g||dS)a*Creates the intersection of two (or more) graphs. @param other: graph or list of graphs to be intersected with the current one. @param byname: whether to use vertex names instead of ids. See L{igraph.operators.intersection} for details. @return: the intersection graph r)rrr rrrrr4s rcCst|ttfƒr| |¡|St|tƒrBt|ƒdkrB| |g¡|St|tƒrŒ|sT|St|dtƒrp| |¡|St|dtƒrŒ| |¡|StS)z>In-place addition (disjoint union). @see: L{__add__} ér) rÚintÚstrÚ add_verticesÚtupleÚlenÚ add_edgesÚlistÚNotImplementedrrrrr Bs      r cCsøddlm}t|ttfƒr.| ¡}| |¡nÆt|tƒrZt|ƒdkrZ| ¡}|  |g¡nšt|t ƒrÜt|ƒdkrÒt|dtƒr’| ¡}|  |¡qÚt|dtƒr´| ¡}| |¡qÚt|d|ƒrÌ|  |¡St Sqô| ¡Snt||ƒrð|  |¡St S|S)aCopies the graph and extends the copy depending on the type of the other object given. @param other: if it is an integer, the copy is extended by the given number of vertices. If it is a string, the copy is extended by a single vertex whose C{name} attribute will be equal to the given string. If it is a tuple with two elements, the copy is extended by a single edge. If it is a list of tuples, the copy is extended by multiple edges. If it is a L{Graph}, a disjoint union is performed. r©ÚGraphr) Úigraphr(rrr Úcopyr!r"r#r$r%rr&)rrr(Úgrrrr Ys.          r cCs(ddlm}t||ƒr | |¡StSdS)z‡Graph intersection operator. @param other: the other graph to take the intersection with. @return: the intersected graph. rr'N)r)r(rr r&©rrr(rrrr …s   r cCsðt|tƒr| |g¡nÔt|tƒrs ,-