urllib working differently when run from crontab

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  • VictorMiller
    #1

    urllib working differently when run from crontab

    I've written a python script which, using urllib, and urllib2 will
    fetch a number of files that that I'm interested in from various
    websites (they're updated everyday). When I run the script from my
    command line everything works as intended. However, when the script
    is run from crontab every single url that I attempt to open gets
    "connection refused". Has anyone ever seen anything like this? If
    so, what's causing it, and what can I do about it?

    Victor
    Tags: None
    • Jonathan Gardner
      #2
      Re: urllib working differently when run from crontab

      On Apr 13, 8:50 pm, VictorMiller <victorsmil...@ gmail.comwrote:
      I've written a python script which, using urllib, and urllib2 will
      fetch a number of files that that I'm interested in from various
      websites (they're updated everyday).  When I run the script from my
      command line everything works as intended.  However, when the script
      is run from crontab every single url that I attempt to open gets
      "connection refused".  Has anyone ever seen anything like this?  If
      so, what's causing it, and what can I do about it?
      >
      Try su'ing as the user and running the scripts. Maybe that will shed
      some light on the problem.

        Comment

        • Matthew Woodcraft
          #3
          Re: urllib working differently when run from crontab

          In article <e40f9146-a4fa-456a-9bc6-34aa4c8dd42b@a7 0g2000hsh.googl egroups.com>,
          VictorMiller <victorsmiller@ gmail.comwrote:
          I've written a python script which, using urllib, and urllib2 will
          fetch a number of files that that I'm interested in from various
          websites (they're updated everyday). When I run the script from my
          command line everything works as intended. However, when the script
          is run from crontab every single url that I attempt to open gets
          "connection refused". Has anyone ever seen anything like this? If
          so, what's causing it, and what can I do about it?
          Perhaps you have an http_proxy environment variable set in the
          interactive session but not in cron's environment?

          -M-

            Comment

            • VictorMiller
              #4
              Re: urllib working differently when run from crontab

              On Apr 14, 8:33 am, Matthew Woodcraft
              <matth...@chiar k.greenend.org. ukwrote:
              In article <e40f9146-a4fa-456a-9bc6-34aa4c8dd...@a7 0g2000hsh.googl egroups.com>,
              >
              VictorMiller <victorsmil...@ gmail.comwrote:
              I've written a python script which, using urllib, and urllib2 will
              fetch a number of files that that I'm interested in from various
              websites (they're updated everyday). When I run the script from my
              command line everything works as intended. However, when the script
              is run from crontab every single url that I attempt to open gets
              "connection refused". Has anyone ever seen anything like this? If
              so, what's causing it, and what can I do about it?
              >
              Perhaps you have an http_proxy environment variable set in the
              interactive session but not in cron's environment?
              >
              Aha! Thanks, I think that that may indeed be the problem. I'll know
              for sure tomorrow morning after I look at the trace of the run.

              Victor
              -M-

                Comment

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