Exception passing a header value to request library Create Session












2














I have the following in my Robotframework keyword:



${headers}=  Set Variable  {"Content-Type": "application/json"}

Create Session  sample  ${url}  headers=${headers}  disable_warnings=1


But I'm getting the following error in Create session.



ValueError: not enough values to unpack (expected 2, got 1)


This is not working only for this header. I have tried using 



{"Content-Type": "application${/}json"}


which didnt help.






python json robotframework







share|improve this question





























    2














    I have the following in my Robotframework keyword:



    ${headers}=  Set Variable  {"Content-Type": "application/json"}
    
Create Session  sample  ${url}  headers=${headers}  disable_warnings=1


    But I'm getting the following error in Create session.



    ValueError: not enough values to unpack (expected 2, got 1)


    This is not working only for this header. I have tried using 



    {"Content-Type": "application${/}json"}


    which didnt help.






    python json robotframework







    share|improve this question



























      2












      2








      2







      I have the following in my Robotframework keyword:



      ${headers}=  Set Variable  {"Content-Type": "application/json"}
      
Create Session  sample  ${url}  headers=${headers}  disable_warnings=1


      But I'm getting the following error in Create session.



      ValueError: not enough values to unpack (expected 2, got 1)


      This is not working only for this header. I have tried using 



      {"Content-Type": "application${/}json"}


      which didnt help.






      python json robotframework







      share|improve this question















      I have the following in my Robotframework keyword:



      ${headers}=  Set Variable  {"Content-Type": "application/json"}
      
Create Session  sample  ${url}  headers=${headers}  disable_warnings=1


      But I'm getting the following error in Create session.



      ValueError: not enough values to unpack (expected 2, got 1)


      This is not working only for this header. I have tried using 



      {"Content-Type": "application${/}json"}


      which didnt help.






      python json robotframework




      python json robotframework






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Nov 23 at 11:55









      Todor

      5,4612034




      5,4612034










      asked Nov 23 at 8:40









      sathyadurai

      111




      111
























          1 Answer
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          What you obviously tried to do is to create a dictionary (to pass as a headers argument), but that's not the way to accomplish this in Robotframework.

          The keyword Set Variable creates a var of type string if you pass an argument that is string-like - it does not deduct that you tried to create a dictionary just by the presence of the curly brackets.



          This is how you can create a real dictionary (a dict (sub)type in python):



          ${headers}=    Create Dictionary    Content-Type=application/json


          When you pass this variable to Create Session it now will be a proper dict, and the keyword shouldn't fail because of that.



          Create Session    sample    ${url}    headers=${headers}    disable_warnings=1





          share|improve this answer

















          • 1




            Thanks! this works fine
            – sathyadurai
            Nov 27 at 9:05











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          1 Answer
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          oldest

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          1 Answer
          1






          active

          oldest

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          active

          oldest

          votes






          active

          oldest

          votes









          3














          What you obviously tried to do is to create a dictionary (to pass as a headers argument), but that's not the way to accomplish this in Robotframework.

          The keyword Set Variable creates a var of type string if you pass an argument that is string-like - it does not deduct that you tried to create a dictionary just by the presence of the curly brackets.



          This is how you can create a real dictionary (a dict (sub)type in python):



          ${headers}=    Create Dictionary    Content-Type=application/json


          When you pass this variable to Create Session it now will be a proper dict, and the keyword shouldn't fail because of that.



          Create Session    sample    ${url}    headers=${headers}    disable_warnings=1





          share|improve this answer

















          • 1




            Thanks! this works fine
            – sathyadurai
            Nov 27 at 9:05
















          3














          What you obviously tried to do is to create a dictionary (to pass as a headers argument), but that's not the way to accomplish this in Robotframework.

          The keyword Set Variable creates a var of type string if you pass an argument that is string-like - it does not deduct that you tried to create a dictionary just by the presence of the curly brackets.



          This is how you can create a real dictionary (a dict (sub)type in python):



          ${headers}=    Create Dictionary    Content-Type=application/json


          When you pass this variable to Create Session it now will be a proper dict, and the keyword shouldn't fail because of that.



          Create Session    sample    ${url}    headers=${headers}    disable_warnings=1





          share|improve this answer

















          • 1




            Thanks! this works fine
            – sathyadurai
            Nov 27 at 9:05














          3












          3








          3






          What you obviously tried to do is to create a dictionary (to pass as a headers argument), but that's not the way to accomplish this in Robotframework.

          The keyword Set Variable creates a var of type string if you pass an argument that is string-like - it does not deduct that you tried to create a dictionary just by the presence of the curly brackets.



          This is how you can create a real dictionary (a dict (sub)type in python):



          ${headers}=    Create Dictionary    Content-Type=application/json


          When you pass this variable to Create Session it now will be a proper dict, and the keyword shouldn't fail because of that.



          Create Session    sample    ${url}    headers=${headers}    disable_warnings=1





          share|improve this answer












          What you obviously tried to do is to create a dictionary (to pass as a headers argument), but that's not the way to accomplish this in Robotframework.

          The keyword Set Variable creates a var of type string if you pass an argument that is string-like - it does not deduct that you tried to create a dictionary just by the presence of the curly brackets.



          This is how you can create a real dictionary (a dict (sub)type in python):



          ${headers}=    Create Dictionary    Content-Type=application/json


          When you pass this variable to Create Session it now will be a proper dict, and the keyword shouldn't fail because of that.



          Create Session    sample    ${url}    headers=${headers}    disable_warnings=1






          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Nov 23 at 8:55









          Todor

          5,4612034




          5,4612034








          • 1




            Thanks! this works fine
            – sathyadurai
            Nov 27 at 9:05














          • 1




            Thanks! this works fine
            – sathyadurai
            Nov 27 at 9:05








          1




          1




          Thanks! this works fine
          – sathyadurai
          Nov 27 at 9:05




          Thanks! this works fine
          – sathyadurai
          Nov 27 at 9:05


















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