How to exclude some combination of itertools.product?

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How to exclude some combination of itertools.product?














0












$begingroup$


I have such set of data:



params = 
'child': ['sasha','masha','baby'],
'action': ['play','cry'],
'lesson': ['mathematica','lingvo']



I use itertools.product such a way:



keys, values = zip(*params.items()) 
for v in itertools.product(*values):
event = dict(zip(keys, v))
pprint(event)


which is results:



'action': 'play', 'child': 'sasha', 'lesson': 'mathematica'
'action': 'play', 'child': 'sasha', 'lesson': 'lingvo'
'action': 'cry', 'child': 'sasha', 'lesson': 'mathematica'
'action': 'cry', 'child': 'sasha', 'lesson': 'lingvo'
'action': 'play', 'child': 'masha', 'lesson': 'mathematica'
'action': 'play', 'child': 'masha', 'lesson': 'lingvo'
'action': 'cry', 'child': 'masha', 'lesson': 'mathematica'
'action': 'cry', 'child': 'masha', 'lesson': 'lingvo'
'action': 'play', 'child': 'baby', 'lesson': 'mathematica'
'action': 'play', 'child': 'baby', 'lesson': 'lingvo'
'action': 'cry', 'child': 'baby', 'lesson': 'mathematica'
'action': 'cry', 'child': 'baby', 'lesson': 'lingvo'


But I don't need combination child=baby with any value of lesson



What is the elegant way to produce:



'action': 'play', 'child': 'sasha', 'lesson': 'mathematica'
'action': 'play', 'child': 'sasha', 'lesson': 'lingvo'
'action': 'cry', 'child': 'sasha', 'lesson': 'mathematica'
'action': 'cry', 'child': 'sasha', 'lesson': 'lingvo'
'action': 'play', 'child': 'masha', 'lesson': 'mathematica'
'action': 'play', 'child': 'masha', 'lesson': 'lingvo'
'action': 'cry', 'child': 'masha', 'lesson': 'mathematica'
'action': 'cry', 'child': 'masha', 'lesson': 'lingvo'
'action': 'play', 'child': 'baby'
'action': 'cry', 'child': 'baby'


?









share







New contributor




Александр Королёв is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.







$endgroup$
















    0












    $begingroup$


    I have such set of data:



    params = 
    'child': ['sasha','masha','baby'],
    'action': ['play','cry'],
    'lesson': ['mathematica','lingvo']



    I use itertools.product such a way:



    keys, values = zip(*params.items()) 
    for v in itertools.product(*values):
    event = dict(zip(keys, v))
    pprint(event)


    which is results:



    'action': 'play', 'child': 'sasha', 'lesson': 'mathematica'
    'action': 'play', 'child': 'sasha', 'lesson': 'lingvo'
    'action': 'cry', 'child': 'sasha', 'lesson': 'mathematica'
    'action': 'cry', 'child': 'sasha', 'lesson': 'lingvo'
    'action': 'play', 'child': 'masha', 'lesson': 'mathematica'
    'action': 'play', 'child': 'masha', 'lesson': 'lingvo'
    'action': 'cry', 'child': 'masha', 'lesson': 'mathematica'
    'action': 'cry', 'child': 'masha', 'lesson': 'lingvo'
    'action': 'play', 'child': 'baby', 'lesson': 'mathematica'
    'action': 'play', 'child': 'baby', 'lesson': 'lingvo'
    'action': 'cry', 'child': 'baby', 'lesson': 'mathematica'
    'action': 'cry', 'child': 'baby', 'lesson': 'lingvo'


    But I don't need combination child=baby with any value of lesson



    What is the elegant way to produce:



    'action': 'play', 'child': 'sasha', 'lesson': 'mathematica'
    'action': 'play', 'child': 'sasha', 'lesson': 'lingvo'
    'action': 'cry', 'child': 'sasha', 'lesson': 'mathematica'
    'action': 'cry', 'child': 'sasha', 'lesson': 'lingvo'
    'action': 'play', 'child': 'masha', 'lesson': 'mathematica'
    'action': 'play', 'child': 'masha', 'lesson': 'lingvo'
    'action': 'cry', 'child': 'masha', 'lesson': 'mathematica'
    'action': 'cry', 'child': 'masha', 'lesson': 'lingvo'
    'action': 'play', 'child': 'baby'
    'action': 'cry', 'child': 'baby'


    ?









    share







    New contributor




    Александр Королёв is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.







    $endgroup$














      0












      0








      0





      $begingroup$


      I have such set of data:



      params = 
      'child': ['sasha','masha','baby'],
      'action': ['play','cry'],
      'lesson': ['mathematica','lingvo']



      I use itertools.product such a way:



      keys, values = zip(*params.items()) 
      for v in itertools.product(*values):
      event = dict(zip(keys, v))
      pprint(event)


      which is results:



      'action': 'play', 'child': 'sasha', 'lesson': 'mathematica'
      'action': 'play', 'child': 'sasha', 'lesson': 'lingvo'
      'action': 'cry', 'child': 'sasha', 'lesson': 'mathematica'
      'action': 'cry', 'child': 'sasha', 'lesson': 'lingvo'
      'action': 'play', 'child': 'masha', 'lesson': 'mathematica'
      'action': 'play', 'child': 'masha', 'lesson': 'lingvo'
      'action': 'cry', 'child': 'masha', 'lesson': 'mathematica'
      'action': 'cry', 'child': 'masha', 'lesson': 'lingvo'
      'action': 'play', 'child': 'baby', 'lesson': 'mathematica'
      'action': 'play', 'child': 'baby', 'lesson': 'lingvo'
      'action': 'cry', 'child': 'baby', 'lesson': 'mathematica'
      'action': 'cry', 'child': 'baby', 'lesson': 'lingvo'


      But I don't need combination child=baby with any value of lesson



      What is the elegant way to produce:



      'action': 'play', 'child': 'sasha', 'lesson': 'mathematica'
      'action': 'play', 'child': 'sasha', 'lesson': 'lingvo'
      'action': 'cry', 'child': 'sasha', 'lesson': 'mathematica'
      'action': 'cry', 'child': 'sasha', 'lesson': 'lingvo'
      'action': 'play', 'child': 'masha', 'lesson': 'mathematica'
      'action': 'play', 'child': 'masha', 'lesson': 'lingvo'
      'action': 'cry', 'child': 'masha', 'lesson': 'mathematica'
      'action': 'cry', 'child': 'masha', 'lesson': 'lingvo'
      'action': 'play', 'child': 'baby'
      'action': 'cry', 'child': 'baby'


      ?









      share







      New contributor




      Александр Королёв is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.







      $endgroup$




      I have such set of data:



      params = 
      'child': ['sasha','masha','baby'],
      'action': ['play','cry'],
      'lesson': ['mathematica','lingvo']



      I use itertools.product such a way:



      keys, values = zip(*params.items()) 
      for v in itertools.product(*values):
      event = dict(zip(keys, v))
      pprint(event)


      which is results:



      'action': 'play', 'child': 'sasha', 'lesson': 'mathematica'
      'action': 'play', 'child': 'sasha', 'lesson': 'lingvo'
      'action': 'cry', 'child': 'sasha', 'lesson': 'mathematica'
      'action': 'cry', 'child': 'sasha', 'lesson': 'lingvo'
      'action': 'play', 'child': 'masha', 'lesson': 'mathematica'
      'action': 'play', 'child': 'masha', 'lesson': 'lingvo'
      'action': 'cry', 'child': 'masha', 'lesson': 'mathematica'
      'action': 'cry', 'child': 'masha', 'lesson': 'lingvo'
      'action': 'play', 'child': 'baby', 'lesson': 'mathematica'
      'action': 'play', 'child': 'baby', 'lesson': 'lingvo'
      'action': 'cry', 'child': 'baby', 'lesson': 'mathematica'
      'action': 'cry', 'child': 'baby', 'lesson': 'lingvo'


      But I don't need combination child=baby with any value of lesson



      What is the elegant way to produce:



      'action': 'play', 'child': 'sasha', 'lesson': 'mathematica'
      'action': 'play', 'child': 'sasha', 'lesson': 'lingvo'
      'action': 'cry', 'child': 'sasha', 'lesson': 'mathematica'
      'action': 'cry', 'child': 'sasha', 'lesson': 'lingvo'
      'action': 'play', 'child': 'masha', 'lesson': 'mathematica'
      'action': 'play', 'child': 'masha', 'lesson': 'lingvo'
      'action': 'cry', 'child': 'masha', 'lesson': 'mathematica'
      'action': 'cry', 'child': 'masha', 'lesson': 'lingvo'
      'action': 'play', 'child': 'baby'
      'action': 'cry', 'child': 'baby'


      ?







      python combinatorics





      share







      New contributor




      Александр Королёв is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.










      share







      New contributor




      Александр Королёв is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.








      share



      share






      New contributor




      Александр Королёв is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      asked 4 mins ago









      Александр КоролёвАлександр Королёв

      1




      1




      New contributor




      Александр Королёв is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.





      New contributor





      Александр Королёв is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Александр Королёв is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.




















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