Is tempfile.mkdtemp() thread-safe?

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  • Gabriel Rossetti
    #1

    Is tempfile.mkdtemp() thread-safe?

    Hello,

    I'm using tempfile.mkdtem p() in a multithreading program and I've been
    having problems with it. Sometimes it tells me the file I'm trying to
    access (in the directory created with tempfile.mkdtem p()) doesn't exist.
    I suspect that tempfile.mkdtem p() returns the same directory to
    different threads sometimes. Does anyone know anything about this or
    have a solution? I have to create unique and temp. directories to use an
    external program that creates a temp. file with the same name every
    time, thus if I want to call it from several threads, each call has to
    be from a different directory.

    Thank you,
    Gabriel
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    • Gabriel Rossetti
      #2
      Re: Is tempfile.mkdtem p() thread-safe?

      Dennis Lee Bieber wrote:
      On Thu, 21 Aug 2008 13:22:33 +0200, Gabriel Rossetti
      <gabriel.rosset ti@arimaz.comde claimed the following in
      comp.lang.pytho n:
      >
      >
      >have a solution? I have to create unique and temp. directories to use an
      >external program that creates a temp. file with the same name every
      >time, thus if I want to call it from several threads, each call has to
      >be from a different directory.
      >>
      >>
      Have you considered passing in the ID (string-formatted) of the
      thread itself as a parameter (suffix)?
      >
      No, that's a very good idea... you mean with the id() builtin function
      correct? I'll try that, then. But if it's really not thread-safe, then
      it will still return the same tmp dir to both calls.


      No, that's a very good idea... you mean with the id() builtin function
      correct? I'll try that, thanl

        Comment

        • Gabriel Rossetti
          #3
          Re: Is tempfile.mkdtem p() thread-safe?

          Dennis Lee Bieber wrote:
          On Thu, 21 Aug 2008 13:22:33 +0200, Gabriel Rossetti
          <gabriel.rosset ti@arimaz.comde claimed the following in
          comp.lang.pytho n:
          >
          >
          >have a solution? I have to create unique and temp. directories to use an
          >external program that creates a temp. file with the same name every
          >time, thus if I want to call it from several threads, each call has to
          >be from a different directory.
          >>
          >>
          Have you considered passing in the ID (string-formatted) of the
          thread itself as a parameter (suffix)?
          >
          Ok, it doesn't work, I think it's not thread-safe, but if someone knows
          better, I'd appreciate it.

          Thanks,
          Gabriel

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