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cant access node attributes

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0

g.nodes() seems to display the attributes, but otherwise I can't access them . What I'm doing wrong ?

g = nx.Graph()

g.add_node('a', attr_dict='k1':5)

g.nodes(data=True)
 [('a', 'k1': 5)]

g['a']


g['a'].keys()
 []

g['a']['k1']

 KeyError Traceback (most recent call last)
 <ipython-input-62-03c0859d74e1> in <module>()
 ----> 1 g['a']['k1']

 KeyError: 'k1'

ver :1.11

---

upgraded to ver:2.2

g = nx.Graph()
g.add_node('b', attr_dict='k1':5)

g['b']
AtlasView()

g.nodes['b']
'attr_dict': 'k1': 5

python attributes nodes networkx

share|improve this question

edited Mar 23 at 20:29

sten

asked Mar 23 at 19:43

stensten

2,18722529

add a comment | 

0

g.nodes() seems to display the attributes, but otherwise I can't access them . What I'm doing wrong ?

g = nx.Graph()

g.add_node('a', attr_dict='k1':5)

g.nodes(data=True)
 [('a', 'k1': 5)]

g['a']


g['a'].keys()
 []

g['a']['k1']

 KeyError Traceback (most recent call last)
 <ipython-input-62-03c0859d74e1> in <module>()
 ----> 1 g['a']['k1']

 KeyError: 'k1'

ver :1.11

---

upgraded to ver:2.2

g = nx.Graph()
g.add_node('b', attr_dict='k1':5)

g['b']
AtlasView()

g.nodes['b']
'attr_dict': 'k1': 5

python attributes nodes networkx

share|improve this question

edited Mar 23 at 20:29

sten

asked Mar 23 at 19:43

stensten

2,18722529

add a comment | 

g.nodes() seems to display the attributes, but otherwise I can't access them . What I'm doing wrong ?

g = nx.Graph()

g.add_node('a', attr_dict='k1':5)

g.nodes(data=True)
 [('a', 'k1': 5)]

g['a']


g['a'].keys()
 []

g['a']['k1']

 KeyError Traceback (most recent call last)
 <ipython-input-62-03c0859d74e1> in <module>()
 ----> 1 g['a']['k1']

 KeyError: 'k1'

ver :1.11

---

upgraded to ver:2.2

g = nx.Graph()
g.add_node('b', attr_dict='k1':5)

g['b']
AtlasView()

g.nodes['b']
'attr_dict': 'k1': 5

python attributes nodes networkx

share|improve this question

edited Mar 23 at 20:29

sten

asked Mar 23 at 19:43

stensten

2,18722529

g = nx.Graph()

g.add_node('a', attr_dict='k1':5)

g.nodes(data=True)
 [('a', 'k1': 5)]

g['a']


g['a'].keys()
 []

g['a']['k1']

 KeyError Traceback (most recent call last)
 <ipython-input-62-03c0859d74e1> in <module>()
 ----> 1 g['a']['k1']

 KeyError: 'k1'

g = nx.Graph()
g.add_node('b', attr_dict='k1':5)

g['b']
AtlasView()

g.nodes['b']
'attr_dict': 'k1': 5

share|improve this question

edited Mar 23 at 20:29

sten

asked Mar 23 at 19:43

stensten

2,18722529

share|improve this question

edited Mar 23 at 20:29

sten

asked Mar 23 at 19:43

stensten

2,18722529

asked Mar 23 at 19:43

stensten

2,18722529

asked Mar 23 at 19:43

stensten

2,18722529

1 Answer
1

active

oldest

votes

0

For networkx 2.1 or 2.2, you can access the data regarding a specific node you must use the graph's attribute nodes. E.g.

g = nx.Graph()

g.add_node('a', attr_dict='k1':5)

g.nodes(data=True)

print(g.nodes['a'])

share|improve this answer

edited Mar 23 at 19:58

answered Mar 23 at 19:49

Alberto BonsantoAlberto Bonsanto

10.4k63875

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  print g.nodes['a']; TypeError: 'instancemethod' object has no attribute 'getitem'
  
  – sten
  Mar 23 at 19:51
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @sten what version of networkx are you using?
  
  – Alberto Bonsanto
  Mar 23 at 19:58
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  nx.__version__ '1.11'
  
  – sten
  Mar 23 at 20:22
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Is it mandatory to use that version? Apparently it's very easy in newer versions
  
  – Alberto Bonsanto
  Mar 23 at 20:40
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  upgraded to new ver
  
  – sten
  Mar 23 at 20:42
  

  
  
  
  

add a comment | 

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0

For networkx 2.1 or 2.2, you can access the data regarding a specific node you must use the graph's attribute nodes. E.g.

g = nx.Graph()

g.add_node('a', attr_dict='k1':5)

g.nodes(data=True)

print(g.nodes['a'])

share|improve this answer

edited Mar 23 at 19:58

answered Mar 23 at 19:49

Alberto BonsantoAlberto Bonsanto

10.4k63875

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  print g.nodes['a']; TypeError: 'instancemethod' object has no attribute 'getitem'
  
  – sten
  Mar 23 at 19:51
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @sten what version of networkx are you using?
  
  – Alberto Bonsanto
  Mar 23 at 19:58
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  nx.__version__ '1.11'
  
  – sten
  Mar 23 at 20:22
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Is it mandatory to use that version? Apparently it's very easy in newer versions
  
  – Alberto Bonsanto
  Mar 23 at 20:40
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  upgraded to new ver
  
  – sten
  Mar 23 at 20:42
  

  
  
  
  

add a comment | 

0

For networkx 2.1 or 2.2, you can access the data regarding a specific node you must use the graph's attribute nodes. E.g.

g = nx.Graph()

g.add_node('a', attr_dict='k1':5)

g.nodes(data=True)

print(g.nodes['a'])

share|improve this answer

edited Mar 23 at 19:58

answered Mar 23 at 19:49

Alberto BonsantoAlberto Bonsanto

10.4k63875

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  print g.nodes['a']; TypeError: 'instancemethod' object has no attribute 'getitem'
  
  – sten
  Mar 23 at 19:51
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @sten what version of networkx are you using?
  
  – Alberto Bonsanto
  Mar 23 at 19:58
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  nx.__version__ '1.11'
  
  – sten
  Mar 23 at 20:22
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Is it mandatory to use that version? Apparently it's very easy in newer versions
  
  – Alberto Bonsanto
  Mar 23 at 20:40
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  upgraded to new ver
  
  – sten
  Mar 23 at 20:42
  

  
  
  
  

add a comment | 

For networkx 2.1 or 2.2, you can access the data regarding a specific node you must use the graph's attribute nodes. E.g.

g = nx.Graph()

g.add_node('a', attr_dict='k1':5)

g.nodes(data=True)

print(g.nodes['a'])

share|improve this answer

edited Mar 23 at 19:58

answered Mar 23 at 19:49

Alberto BonsantoAlberto Bonsanto

10.4k63875

g = nx.Graph()

g.add_node('a', attr_dict='k1':5)

g.nodes(data=True)

print(g.nodes['a'])

share|improve this answer

edited Mar 23 at 19:58

answered Mar 23 at 19:49

Alberto BonsantoAlberto Bonsanto

10.4k63875

answered Mar 23 at 19:49

Alberto BonsantoAlberto Bonsanto

10.4k63875

answered Mar 23 at 19:49

Alberto BonsantoAlberto Bonsanto

10.4k63875