interactive window vs. script: inconsistent behavior

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  • Bell, Kevin
    #1

    interactive window vs. script: inconsistent behavior

    The following works in the interactive window of PythonWin, but fails in
    a script. TypeError: Objects of type 'slice' can not be converted to a
    COM VARIANT

    I just need to parse out these dates, but it's making me crazy.
    Shouldn't it work in both the interactive window and a script?

    [color=blue][color=green][color=darkred]
    >>> d = "5-18-05 to 5-31-05"
    >>> print d[0:d.find("to")-1][/color][/color][/color]
    5-18-05[color=blue][color=green][color=darkred]
    >>> print d[d.find("to")+3:][/color][/color][/color]
    5-31-05[color=blue][color=green][color=darkred]
    >>>[/color][/color][/color]




    Kev


    Tags: None
    • Duncan Booth
      #2
      Re: interactive window vs. script: inconsistent behavior

      Bell, Kevin wrote:
      [color=blue]
      > The following works in the interactive window of PythonWin, but fails in
      > a script. TypeError: Objects of type 'slice' can not be converted to a
      > COM VARIANT
      >
      > I just need to parse out these dates, but it's making me crazy.
      > Shouldn't it work in both the interactive window and a script?
      >
      >[color=green][color=darkred]
      >>>> d = "5-18-05 to 5-31-05"
      >>>> print d[0:d.find("to")-1][/color][/color]
      > 5-18-05[color=green][color=darkred]
      >>>> print d[d.find("to")+3:][/color][/color]
      > 5-31-05[color=green][color=darkred]
      >>>>[/color][/color]
      >[/color]

      Not surprisingly, the above three lines work perfectly well in a script:

      d = "5-18-05 to 5-31-05"
      print d[0:d.find("to")-1]
      print d[d.find("to")+3:]

      and the output is:
      C:\temp>t.py
      5-18-05
      5-31-05

      Perhaps if you were to post an actual script which doesn't work and the
      actual error it generates, it might be possible to help you.

        Comment

        • Larry Bates
          #3
          Re: interactive window vs. script: inconsistent behavior

          This also works and IMHO reads better:

          d="5-18-05 to 5-31-05"
          f,t=d.split(' to '))

          Larry Bates

          Bell, Kevin wrote:[color=blue]
          > The following works in the interactive window of PythonWin, but fails in
          > a script. TypeError: Objects of type 'slice' can not be converted to a
          > COM VARIANT
          >
          > I just need to parse out these dates, but it's making me crazy.
          > Shouldn't it work in both the interactive window and a script?
          >
          >
          >[color=green][color=darkred]
          >>>>d = "5-18-05 to 5-31-05"
          >>>>print d[0:d.find("to")-1][/color][/color]
          >
          > 5-18-05
          >[color=green][color=darkred]
          >>>>print d[d.find("to")+3:][/color][/color]
          >
          > 5-31-05
          >
          >
          >
          >
          >
          > Kev
          >
          >[/color]

            Comment

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