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Python Graph.edge_properties[col]方法代碼示例

本文整理匯總了Python中graph_tool.Graph.edge_properties[col]方法的典型用法代碼示例。如果您正苦於以下問題:Python Graph.edge_properties[col]方法的具體用法?Python Graph.edge_properties[col]怎麽用?Python Graph.edge_properties[col]使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在graph_tool.Graph的用法示例。


在下文中一共展示了Graph.edge_properties[col]方法的2個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: graph_from_dataframes

# 需要導入模塊: from graph_tool import Graph [as 別名]
# 或者: from graph_tool.Graph import edge_properties[col] [as 別名]
def graph_from_dataframes(vertex_df, edge_df):
    '''Re-creates a Graph object with PropertyMaps taken
    from the vertex_df and edge_df DataFrames

    Paramters:
    ==========
    verex_df: a DataFrame with an index named 'vertex_index'
    edge_df: a DataFrame with a multi-index named ('source', 'target')

    Returns:
    ========
    graph: a grah-tool Graph with PropertyMaps copied
        from the columns of the input DataFrames
    '''

    graph = Graph(directed=True)

    vertex_index = vertex_df.index.get_level_values(level='vertex_index')
    vertices = graph.add_vertex(n=vertex_index.shape[0])
    for col in vertex_df.columns:
        in_type = vertex_df[col].dtype.name
        try:
            dtype = ALIASES[in_type]
        except KeyError:
            log.info('Data type {} not supported'.format(in_type))
            continue
        prop = graph.new_vertex_property(dtype)
        prop.fa = vertex_df[col]
        graph.vertex_properties[col] = prop

    src = edge_df.index.names.index('source')
    trgt = edge_df.index.names.index('target')
    ### TODO: use the list edge creation
    for tup in edge_df.index:
        source, target = tup[src], tup[trgt]
        try:
            edge = graph.add_edge(source, target)
        except ValueError:
            log.info('Invalid vertex in (source: {}, target: {})'.format(source, target))
    for col in edge_df.columns:
        in_type = edge_df[col].dtype.name
        try:
            dtype = ALIASES[in_type]
        except KeyError:
            log.info('Data type {} not supported'.format(in_type))
            continue
        prop = graph.new_edge_property(dtype)
        prop.fa = edge_df[col]
        graph.edge_properties[col] = prop

    return graph
開發者ID:DamCB,項目名稱:hdfgraph,代碼行數:53,代碼來源:hdfgraph.py

示例2: graph_from_dataframes

# 需要導入模塊: from graph_tool import Graph [as 別名]
# 或者: from graph_tool.Graph import edge_properties[col] [as 別名]
def graph_from_dataframes(vertex_df, edge_df):
    '''Re-creates a Graph object with PropertyMaps taken
    from the vertex_df and edge_df DataFrames

    Paramters:
    ==========
    verex_df: a DataFrame with an index named 'vertex_index'
    edge_df: a DataFrame with a multi-index named ('source', 'target')

    Returns:
    ========
    graph: a grah-tool Graph with PropertyMaps copied
        from the columns of the input DataFrames
    '''

    graph = Graph(directed=True)

    vertex_index = vertex_df.index.get_level_values(level='vertex_index')
    vertices = graph.add_vertex(n=vertex_index.shape[0])
    for col in vertex_df.columns:
        dtype = ALIASES[vertex_df[col].dtype.name]
        prop = graph.new_vertex_property(dtype)
        prop.a = vertex_df[col]
        graph.vertex_properties[col] = prop

    src = edge_df.index.names.index('source')
    trgt = edge_df.index.names.index('target')
    ### TODO: use the list edge creation
    for tup in edge_df.index:
        source, target = tup[src], tup[trgt]
        edge = graph.add_edge(source, target)

    for col in edge_df.columns:
        dtype = ALIASES[edge_df[col].dtype.name]
        prop = graph.new_edge_property(dtype)
        prop.a = edge_df[col]
        graph.edge_properties[col] = prop
    return graph
開發者ID:glyg,項目名稱:hdfgraph,代碼行數:40,代碼來源:hdfgraph.py


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