Python equivalent of Perl-ISAPI?

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  • rurpy@yahoo.com

    #1

    Python equivalent of Perl-ISAPI?

    Is there an effcient way (more so than cgi) of using Python
    with Microsoft IIS? Something equivalent to Perl-ISAPI?

  • Roger Upole

    #2
    Re: Python equivalent of Perl-ISAPI?

    <rurpy@yahoo.co m> wrote in message news:1142657781 .197131.222440@ g10g2000cwb.goo glegroups.com.. .[color=blue]
    > Is there an effcient way (more so than cgi) of using Python
    > with Microsoft IIS? Something equivalent to Perl-ISAPI?
    >[/color]

    Pywin32 comes with an ISAPI package. See
    \lib\site-packages\isapi\ samples\
    for some demos.

    Roger




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    Comment

    • Waldemar Osuch

      #3
      Re: Python equivalent of Perl-ISAPI?

      What Roger says and also:
      Download Python ISAPI Extension for IIS for free. PyISAPIe is an IIS/Apache ISAPI extension for Python. It greatly outperforms CGI/FastCGI solutions and supports Django, Trac, Pylons, and any WSGI-compliant framework.


      Comment

      • rurpy@yahoo.com

        #4
        Re: Python equivalent of Perl-ISAPI?


        Waldemar Osuch wrote:[color=blue]
        > What Roger says and also:
        > http://pyisapie.sourceforge.net/[/color]

        Thanks for your and Roger's responses.

        I looked at pyisapie and there seems to be almost no
        dvcumentation -- no sample code and the single readme
        is pretty opaque. The pywin isapi has a couple of
        examples but its documentation too is pretty bad.
        But they both seem to be tissue thin wtrappers around
        the MS isapi api. What I was hoping for is something
        that would let me run existing cgi scripts efficiently with
        minimal changes. I think the isapi and perl-ex stuff that
        comes with Activestate's Perl meets this requirement
        but the stuff I've found for Python doesn't. So looks
        like it's back to Perl for this project :-(.

        Comment

        • Steve Holden

          #5
          Re: Python equivalent of Perl-ISAPI?

          rurpy@yahoo.com wrote:[color=blue]
          > Waldemar Osuch wrote:
          >[color=green]
          >>What Roger says and also:
          >>http://pyisapie.sourceforge.net/[/color]
          >
          >
          > Thanks for your and Roger's responses.
          >
          > I looked at pyisapie and there seems to be almost no
          > dvcumentation -- no sample code and the single readme
          > is pretty opaque. The pywin isapi has a couple of
          > examples but its documentation too is pretty bad.
          > But they both seem to be tissue thin wtrappers around
          > the MS isapi api. What I was hoping for is something
          > that would let me run existing cgi scripts efficiently with
          > minimal changes. I think the isapi and perl-ex stuff that
          > comes with Activestate's Perl meets this requirement
          > but the stuff I've found for Python doesn't. So looks
          > like it's back to Perl for this project :-(.
          >[/color]
          If you want CGI then there's no need for an ISAPI filter specific to
          your programming language - you just need to associate .py requests with
          the Python interpreter.

          If you want to use Python as an Active Scripting language (i.e. in the
          same way that VBScript is used) then you can do this by installing the
          win32all extensions maintained by Mark Hammond and enabling Active
          Scripting therein.

          Don't suffer Perl if you don't want to!

          regards
          Steve
          --
          Steve Holden +44 150 684 7255 +1 800 494 3119
          Holden Web LLC/Ltd www.holdenweb.com
          Love me, love my blog holdenweb.blogs pot.com

          Comment

          • rurpy@yahoo.com

            #6
            Re: Python equivalent of Perl-ISAPI?


            Steve Holden wrote:[color=blue]
            > If you want CGI then there's no need for an ISAPI filter specific to
            > your programming language - you just need to associate .py requests with
            > the Python interpreter.
            >
            > If you want to use Python as an Active Scripting language (i.e. in the
            > same way that VBScript is used) then you can do this by installing the
            > win32all extensions maintained by Mark Hammond and enabling Active
            > Scripting therein.
            >
            > Don't suffer Perl if you don't want to![/color]

            Pure cgi is too slow. "Active Scripting" means ASP, yes?
            I need something that will do cgi scripts (a lot of which I already
            have
            and can modify but don't want to rewrite extensively, partly because
            of time issues, partly because I want to preserve some degree of
            portability back to a unix environment.). I want something that does
            for IIS what mod_python does for apache. Fastcgi looked scary even
            on unix plaforms, seems like an act of desperation on Windows,

            Comment

            • Steve Holden

              #7
              Re: Python equivalent of Perl-ISAPI?

              rurpy@yahoo.com wrote:[color=blue]
              > Steve Holden wrote:
              >[color=green]
              >>If you want CGI then there's no need for an ISAPI filter specific to
              >>your programming language - you just need to associate .py requests with
              >>the Python interpreter.
              >>
              >>If you want to use Python as an Active Scripting language (i.e. in the
              >>same way that VBScript is used) then you can do this by installing the
              >>win32all extensions maintained by Mark Hammond and enabling Active
              >>Scripting therein.
              >>
              >>Don't suffer Perl if you don't want to![/color]
              >
              >
              > Pure cgi is too slow. "Active Scripting" means ASP, yes?
              > I need something that will do cgi scripts (a lot of which I already
              > have
              > and can modify but don't want to rewrite extensively, partly because
              > of time issues, partly because I want to preserve some degree of
              > portability back to a unix environment.). I want something that does
              > for IIS what mod_python does for apache. Fastcgi looked scary even
              > on unix plaforms, seems like an act of desperation on Windows,
              >[/color]
              Yes, ASP is Active Scripting.

              Remember to use <@ LANGUAGE="PYTHO N" @>

              regards
              Steve
              --
              Steve Holden +44 150 684 7255 +1 800 494 3119
              Holden Web LLC/Ltd www.holdenweb.com
              Love me, love my blog holdenweb.blogs pot.com

              Comment

              • rurpy@yahoo.com

                #8
                Re: Python equivalent of Perl-ISAPI?


                Steve Holden wrote:[color=blue]
                > rurpy@yahoo.com wrote:[/color]
                [color=blue][color=green]
                > > Pure cgi is too slow. "Active Scripting" means ASP, yes?
                > > I need something that will do cgi scripts (a lot of which I already
                > > have
                > > and can modify but don't want to rewrite extensively, partly because
                > > of time issues, partly because I want to preserve some degree of
                > > portability back to a unix environment.). I want something that does
                > > for IIS what mod_python does for apache. Fastcgi looked scary even
                > > on unix plaforms, seems like an act of desperation on Windows,
                > >[/color]
                > Yes, ASP is Active Scripting.
                >
                > Remember to use <@ LANGUAGE="PYTHO N" @>[/color]

                Except I need cgi, not asp, for the reasons i gave.

                Comment

                • Atanas Banov

                  #9
                  Re: Python equivalent of Perl-ISAPI?


                  rurpy@yahoo.com wrote:[color=blue]
                  > Steve Holden wrote:[color=green]
                  > > rurpy@yahoo.com wrote:[/color]
                  >[color=green][color=darkred]
                  > > > Pure cgi is too slow. "Active Scripting" means ASP, yes?
                  > > > I need something that will do cgi scripts (a lot of which I already
                  > > > have
                  > > > and can modify but don't want to rewrite extensively, partly because
                  > > > of time issues, partly because I want to preserve some degree of
                  > > > portability back to a unix environment.). I want something that does
                  > > > for IIS what mod_python does for apache. Fastcgi looked scary even
                  > > > on unix plaforms, seems like an act of desperation on Windows,
                  > > >[/color]
                  > > Yes, ASP is Active Scripting.
                  > >[/color]
                  > Except I need cgi, not asp, for the reasons i gave.[/color]

                  it seems to me you have no clear idea what you need.

                  you say you have a lot of CGIs written but you don't clarify if that is
                  Python or Perl. since you look for python intergration, it seems they
                  are in python, however in previous posting you say you'll have to
                  revert to Perl for solution. it just doesnt make sense! if you use
                  Perl, you will have to REWRITE the scripts and if you do so, it's
                  unclear why wouldnt you use a superior technology like PHP/ASP/JSP -
                  any of those is way easier to manage.

                  it's also unclear why don't you use apache on windows, if mod_python is
                  your poison.

                  here is how i imagine you have the layers:
                  [scripts (CGI?)]
                  [glue]
                  [web server (IIS?)]

                  where the discussion is about the "glue" between them. you say CGI is
                  too slow for you, so you will want something maintaining the CGI
                  programming model, but faster. this thing is called FastCGI - but you
                  are unhappy about it either. there is no way any perl "glue" can solve
                  your problem between your web server and your python scripts
                  whatsoever. you'll have to re-code the scripts for perl.

                  Comment

                  • rurpy@yahoo.com

                    #10
                    Re: Python equivalent of Perl-ISAPI?

                    Atanas Banov wrote:[color=blue]
                    > rurpy@yahoo.com wrote:[color=green]
                    > > Steve Holden wrote:[color=darkred]
                    > > > rurpy@yahoo.com wrote:[/color]
                    > >[color=darkred]
                    > > > > Pure cgi is too slow. "Active Scripting" means ASP, yes?
                    > > > > I need something that will do cgi scripts (a lot of which I already
                    > > > > have
                    > > > > and can modify but don't want to rewrite extensively, partly because
                    > > > > of time issues, partly because I want to preserve some degree of
                    > > > > portability back to a unix environment.). I want something that does
                    > > > > for IIS what mod_python does for apache. Fastcgi looked scary even
                    > > > > on unix plaforms, seems like an act of desperation on Windows,
                    > > > >
                    > > > Yes, ASP is Active Scripting.
                    > > >[/color]
                    > > Except I need cgi, not asp, for the reasons i gave.[/color]
                    >
                    > it seems to me you have no clear idea what you need.
                    >
                    > you say you have a lot of CGIs written but you don't clarify if that is
                    > Python or Perl. since you look for python intergration, it seems they
                    > are in python, however in previous posting you say you'll have to
                    > revert to Perl for solution. it just doesnt make sense! if you use
                    > Perl, you will have to REWRITE the scripts and if you do so, it's
                    > unclear why wouldnt you use a superior technology like PHP/ASP/JSP -
                    > any of those is way easier to manage.
                    >
                    > it's also unclear why don't you use apache on windows, if mod_python is
                    > your poison.
                    >
                    > here is how i imagine you have the layers:
                    > [scripts (CGI?)]
                    > [glue]
                    > [web server (IIS?)]
                    >
                    > where the discussion is about the "glue" between them. you say CGI is
                    > too slow for you, so you will want something maintaining the CGI
                    > programming model, but faster. this thing is called FastCGI - but you
                    > are unhappy about it either. there is no way any perl "glue" can solve
                    > your problem between your web server and your python scripts
                    > whatsoever. you'll have to re-code the scripts for perl.[/color]

                    The final solution must run in a Windows/IIS environment.
                    Those are part of the requirements which I do not control.
                    There is code in both Perl and Python. I wrote the Python
                    stuff and inherited the Perl stuff. It is not web-based now
                    but conversion to generate html output instead of text is
                    probably straightforward . Additional requirement is that
                    is should be movable to unix without too much work.
                    The layers are:

                    [database] [equipment interface]
                    [glue]
                    [cgi]
                    [webserver - IIS]

                    As fo PHP/ASP/JSP? I am doing all the work. I know Perl
                    and Python. I don't know PHP/JSP. (Also, JSP will require
                    a lot of new Java infrastructure support, yes?) As for ASP,
                    I wonder about the "easily moved to unix" requirement.
                    (I know apache has an asp module but I don't know if other
                    web servers do, or how compatible apache's is, and I don't
                    know if I have time to reliably answer those questions.)
                    Why do you say PHP/JSP/ASP are superior technologies?

                    All I want to do is avoid the cost of starting a new Python
                    (or Perl) interpreter on each page request. This is what
                    I understand Perl-isapi and Perl-Ex does. My question
                    is simply if there is something similar for Python.
                    I have concluded the answer is no but hope I'm wrong.

                    Comment

                    • rurpy@yahoo.com

                      #11
                      Re: Python equivalent of Perl-ISAPI?

                      Atanas Banov wrote:[color=blue]
                      > rurpy@yahoo.com wrote:[color=green]
                      > > Steve Holden wrote:[color=darkred]
                      > > > rurpy@yahoo.com wrote:[/color]
                      > >[color=darkred]
                      > > > > Pure cgi is too slow. "Active Scripting" means ASP, yes?
                      > > > > I need something that will do cgi scripts (a lot of which I already
                      > > > > have
                      > > > > and can modify but don't want to rewrite extensively, partly because
                      > > > > of time issues, partly because I want to preserve some degree of
                      > > > > portability back to a unix environment.). I want something that does
                      > > > > for IIS what mod_python does for apache. Fastcgi looked scary even
                      > > > > on unix plaforms, seems like an act of desperation on Windows,
                      > > > >
                      > > > Yes, ASP is Active Scripting.
                      > > >[/color]
                      > > Except I need cgi, not asp, for the reasons i gave.[/color]
                      >
                      > it seems to me you have no clear idea what you need.
                      >
                      > you say you have a lot of CGIs written but you don't clarify if that is
                      > Python or Perl. since you look for python intergration, it seems they
                      > are in python, however in previous posting you say you'll have to
                      > revert to Perl for solution. it just doesnt make sense! if you use
                      > Perl, you will have to REWRITE the scripts and if you do so, it's
                      > unclear why wouldnt you use a superior technology like PHP/ASP/JSP -
                      > any of those is way easier to manage.
                      >
                      > it's also unclear why don't you use apache on windows, if mod_python is
                      > your poison.
                      >
                      > here is how i imagine you have the layers:
                      > [scripts (CGI?)]
                      > [glue]
                      > [web server (IIS?)]
                      >
                      > where the discussion is about the "glue" between them. you say CGI is
                      > too slow for you, so you will want something maintaining the CGI
                      > programming model, but faster. this thing is called FastCGI - but you
                      > are unhappy about it either. there is no way any perl "glue" can solve
                      > your problem between your web server and your python scripts
                      > whatsoever. you'll have to re-code the scripts for perl.[/color]

                      The final solution must run in a Windows/IIS environment.
                      Those are part of the requirements which I do not control.
                      There is code in both Perl and Python. I wrote the Python
                      stuff and inherited the Perl stuff. It is not web-based now
                      but conversion to generate html output instead of text is
                      probably straightforward . Additional requirement is that
                      is should be movable to unix without too much work.
                      The layers are:

                      [database] [equipment interface]
                      [glue]
                      [cgi]
                      [webserver - IIS]

                      As fo PHP/ASP/JSP? I am doing all the work. I know Perl
                      and Python. I don't know PHP/JSP. (Also, JSP will require
                      a lot of new Java infrastructure support, yes?) As for ASP,
                      I wonder about the "easily moved to unix" requirement.
                      (I know apache has an asp module but I don't know if other
                      web servers do, or how compatible apache's is, and I don't
                      know if I have time to reliably answer those questions.)
                      Why do you say PHP/JSP/ASP are superior technologies?

                      All I want to do is avoid the cost of starting a new Python
                      (or Perl) interpreter on each page request. This is what
                      I understand Perl-isapi and Perl-Ex does. My question
                      is simply if there is something similar for Python.
                      I have concluded the answer is no but hope I'm wrong.

                      Comment

                      • rurpy@yahoo.com

                        #12
                        Re: Python equivalent of Perl-ISAPI?


                        rurpy@yahoo.com wrote:[color=blue]
                        > Atanas Banov wrote:[color=green]
                        > > rurpy@yahoo.com wrote:[color=darkred]
                        > > > Steve Holden wrote:
                        > > > > rurpy@yahoo.com wrote:
                        > > >
                        > > > > > Pure cgi is too slow. "Active Scripting" means ASP, yes?
                        > > > > > I need something that will do cgi scripts (a lot of which I already
                        > > > > > have
                        > > > > > and can modify but don't want to rewrite extensively, partly because
                        > > > > > of time issues, partly because I want to preserve some degree of
                        > > > > > portability back to a unix environment.). I want something that does
                        > > > > > for IIS what mod_python does for apache. Fastcgi looked scary even
                        > > > > > on unix plaforms, seems like an act of desperation on Windows,
                        > > > > >
                        > > > > Yes, ASP is Active Scripting.
                        > > > >
                        > > > Except I need cgi, not asp, for the reasons i gave.[/color]
                        > >
                        > > it seems to me you have no clear idea what you need.
                        > >
                        > > you say you have a lot of CGIs written but you don't clarify if that is
                        > > Python or Perl. since you look for python intergration, it seems they
                        > > are in python, however in previous posting you say you'll have to
                        > > revert to Perl for solution. it just doesnt make sense! if you use
                        > > Perl, you will have to REWRITE the scripts and if you do so, it's
                        > > unclear why wouldnt you use a superior technology like PHP/ASP/JSP -
                        > > any of those is way easier to manage.
                        > >
                        > > it's also unclear why don't you use apache on windows, if mod_python is
                        > > your poison.
                        > >
                        > > here is how i imagine you have the layers:
                        > > [scripts (CGI?)]
                        > > [glue]
                        > > [web server (IIS?)]
                        > >
                        > > where the discussion is about the "glue" between them. you say CGI is
                        > > too slow for you, so you will want something maintaining the CGI
                        > > programming model, but faster. this thing is called FastCGI - but you
                        > > are unhappy about it either. there is no way any perl "glue" can solve
                        > > your problem between your web server and your python scripts
                        > > whatsoever. you'll have to re-code the scripts for perl.[/color]
                        >
                        > The final solution must run in a Windows/IIS environment.
                        > Those are part of the requirements which I do not control.
                        > There is code in both Perl and Python. I wrote the Python
                        > stuff and inherited the Perl stuff. It is not web-based now
                        > but conversion to generate html output instead of text is
                        > probably straightforward . Additional requirement is that
                        > is should be movable to unix without too much work.
                        > The layers are:
                        >
                        > [database] [equipment interface]
                        > [glue]
                        > [cgi]
                        > [webserver - IIS]
                        >
                        > As fo PHP/ASP/JSP? I am doing all the work. I know Perl
                        > and Python. I don't know PHP/JSP. (Also, JSP will require
                        > a lot of new Java infrastructure support, yes?) As for ASP,
                        > I wonder about the "easily moved to unix" requirement.
                        > (I know apache has an asp module but I don't know if other
                        > web servers do, or how compatible apache's is, and I don't
                        > know if I have time to reliably answer those questions.)
                        > Why do you say PHP/JSP/ASP are superior technologies?
                        >
                        > All I want to do is avoid the cost of starting a new Python
                        > (or Perl) interpreter on each page request. This is what
                        > I understand Perl-isapi and Perl-Ex does. My question
                        > is simply if there is something similar for Python.
                        > I have concluded the answer is no but hope I'm wrong.[/color]

                        Din't find anything more and no further replies
                        here so here is a quick timing I did...
                        Perl-Ex: 0.014 sec/page
                        Perl-ISAPI: 0.168 sec/page
                        Perl-cgi: 0.187 sec/page
                        Python-cgi: 0.286 sec/page

                        I can't ignore the 20X better performance of
                        Perl-Ex vs Python, so I guess this is a loss
                        for Python and a win for Perl.

                        Comment

                        • Atanas Banov

                          #13
                          Re: Python equivalent of Perl-ISAPI?

                          it is your loss as well (so, 2 losses and 1 win).

                          you comparing perl-ex with python-cgi is unfair, to say the least.
                          let's count:

                          1. you ditched python ASP, because you dont know how it may port on
                          linux (even if it's supported on apache and you probably never, ever,
                          will have to do the said port).

                          2. you ditched mod_python, because it's for apache and not for IIS.

                          3. you picked perl-ex, because... it works fast on IIS, even if it
                          doesnt work on apache or linux.

                          hard to speak about fairness here. besides i guess your tests are based
                          on dummy script pages, which do nothing and the real pages which
                          interface with DB and equipment, will spend 10 times more time doing
                          real work, say 1500ms. now tell me what is the difference between 1.514
                          sec and 1.786 sec wait time? and even if that were not the case, what
                          is the diffrence for a user between 0.014 and 0.286 seconds? part of a
                          blink of the eye?!

                          - nas
                          [color=blue]
                          > Din't find anything more and no further replies
                          > here so here is a quick timing I did...
                          > Perl-Ex: 0.014 sec/page
                          > Perl-ISAPI: 0.168 sec/page
                          > Perl-cgi: 0.187 sec/page
                          > Python-cgi: 0.286 sec/page
                          >
                          > I can't ignore the 20X better performance of
                          > Perl-Ex vs Python, so I guess this is a loss
                          > for Python and a win for Perl.[/color]

                          Comment

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