get exact match when checking is string is contained is line











up vote
0
down vote

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I would like to find exact match for items from tuple. Why does my code return True for all lines? I want it to return false. Any ideas? What am I doing wrong?



test1.xml - 
<field1ff>1</field1ff>
<field1ff>1</field1ff>
<field2ff>1</field2ff>
<field2ff>1</field2ff>




fields_to_find = {"<field1>","<field2>"}

file = open("test1.xml", "r")
for line in file.readlines():
if (s in line for s in fields_to_find):
print("true")









share|improve this question






















  • if "myString" in array: print("true") else: print("false")
    – eddwinpaz
    Nov 19 at 21:10








  • 1




    if any(s in line for s in fields_to_find)
    – rahlf23
    Nov 19 at 21:10






  • 1




    XML is a structured format and should not be processed like that for line in file.readlines():. Use a proper xml/html markup parser
    – RomanPerekhrest
    Nov 19 at 21:12

















up vote
0
down vote

favorite












I would like to find exact match for items from tuple. Why does my code return True for all lines? I want it to return false. Any ideas? What am I doing wrong?



test1.xml - 
<field1ff>1</field1ff>
<field1ff>1</field1ff>
<field2ff>1</field2ff>
<field2ff>1</field2ff>




fields_to_find = {"<field1>","<field2>"}

file = open("test1.xml", "r")
for line in file.readlines():
if (s in line for s in fields_to_find):
print("true")









share|improve this question






















  • if "myString" in array: print("true") else: print("false")
    – eddwinpaz
    Nov 19 at 21:10








  • 1




    if any(s in line for s in fields_to_find)
    – rahlf23
    Nov 19 at 21:10






  • 1




    XML is a structured format and should not be processed like that for line in file.readlines():. Use a proper xml/html markup parser
    – RomanPerekhrest
    Nov 19 at 21:12















up vote
0
down vote

favorite









up vote
0
down vote

favorite











I would like to find exact match for items from tuple. Why does my code return True for all lines? I want it to return false. Any ideas? What am I doing wrong?



test1.xml - 
<field1ff>1</field1ff>
<field1ff>1</field1ff>
<field2ff>1</field2ff>
<field2ff>1</field2ff>




fields_to_find = {"<field1>","<field2>"}

file = open("test1.xml", "r")
for line in file.readlines():
if (s in line for s in fields_to_find):
print("true")









share|improve this question













I would like to find exact match for items from tuple. Why does my code return True for all lines? I want it to return false. Any ideas? What am I doing wrong?



test1.xml - 
<field1ff>1</field1ff>
<field1ff>1</field1ff>
<field2ff>1</field2ff>
<field2ff>1</field2ff>




fields_to_find = {"<field1>","<field2>"}

file = open("test1.xml", "r")
for line in file.readlines():
if (s in line for s in fields_to_find):
print("true")






python






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share|improve this question











share|improve this question




share|improve this question










asked Nov 19 at 21:08









jv95

155




155












  • if "myString" in array: print("true") else: print("false")
    – eddwinpaz
    Nov 19 at 21:10








  • 1




    if any(s in line for s in fields_to_find)
    – rahlf23
    Nov 19 at 21:10






  • 1




    XML is a structured format and should not be processed like that for line in file.readlines():. Use a proper xml/html markup parser
    – RomanPerekhrest
    Nov 19 at 21:12




















  • if "myString" in array: print("true") else: print("false")
    – eddwinpaz
    Nov 19 at 21:10








  • 1




    if any(s in line for s in fields_to_find)
    – rahlf23
    Nov 19 at 21:10






  • 1




    XML is a structured format and should not be processed like that for line in file.readlines():. Use a proper xml/html markup parser
    – RomanPerekhrest
    Nov 19 at 21:12


















if "myString" in array: print("true") else: print("false")
– eddwinpaz
Nov 19 at 21:10






if "myString" in array: print("true") else: print("false")
– eddwinpaz
Nov 19 at 21:10






1




1




if any(s in line for s in fields_to_find)
– rahlf23
Nov 19 at 21:10




if any(s in line for s in fields_to_find)
– rahlf23
Nov 19 at 21:10




1




1




XML is a structured format and should not be processed like that for line in file.readlines():. Use a proper xml/html markup parser
– RomanPerekhrest
Nov 19 at 21:12






XML is a structured format and should not be processed like that for line in file.readlines():. Use a proper xml/html markup parser
– RomanPerekhrest
Nov 19 at 21:12














1 Answer
1






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oldest

votes

















up vote
1
down vote













You are passing a generator object to your if statement, for which the boolean evaluation is True:



bool((s in line for s in fields_to_find))


Returns:



True


Instead, IIUC you can use any() and pass your generator:



any(s in line for s in fields_to_find)


Returns:



False





share|improve this answer





















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    active

    oldest

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    1 Answer
    1






    active

    oldest

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    active

    oldest

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    active

    oldest

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    up vote
    1
    down vote













    You are passing a generator object to your if statement, for which the boolean evaluation is True:



    bool((s in line for s in fields_to_find))


    Returns:



    True


    Instead, IIUC you can use any() and pass your generator:



    any(s in line for s in fields_to_find)


    Returns:



    False





    share|improve this answer

























      up vote
      1
      down vote













      You are passing a generator object to your if statement, for which the boolean evaluation is True:



      bool((s in line for s in fields_to_find))


      Returns:



      True


      Instead, IIUC you can use any() and pass your generator:



      any(s in line for s in fields_to_find)


      Returns:



      False





      share|improve this answer























        up vote
        1
        down vote










        up vote
        1
        down vote









        You are passing a generator object to your if statement, for which the boolean evaluation is True:



        bool((s in line for s in fields_to_find))


        Returns:



        True


        Instead, IIUC you can use any() and pass your generator:



        any(s in line for s in fields_to_find)


        Returns:



        False





        share|improve this answer












        You are passing a generator object to your if statement, for which the boolean evaluation is True:



        bool((s in line for s in fields_to_find))


        Returns:



        True


        Instead, IIUC you can use any() and pass your generator:



        any(s in line for s in fields_to_find)


        Returns:



        False






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Nov 19 at 21:14









        rahlf23

        4,7751629




        4,7751629






























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