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<TITLE>Creating CGI scripts with MacPython</TITLE>
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<H3>Creating CGI scripts with MacPython</H3>
<BLOCKQUOTE>
Note: this document is work-in-progress, and not tested.
</BLOCKQUOTE>
<P>MacPython allows you to use Python as a CGI scripting language
for your webserver. Moreover, there are some helper applications
that allow you to write your CGI scripts in the same way as for
Unix and Windows, i.e. obtaining their arguments from <TT>os.environ</TT>
and sending their results to <TT>stdout</TT>. MacPython also has
all the facilities to program CGI scripts in the Macintosh way,
through AppleEvents, but that falls outside the scope of this
document (reading the source code for the helper scripts will
give you an idea about how to do this).</P>
<P>For the purpose of this document we will assume you are using
Apple's Personal Webserver 1.5, which comes standard with your
machine as of MacOS 9.</P>
<P>The first step is to start the webserver, you will find it
in your control panels. Give it a folder to serve documents from,
and check that it is working by pointing your browser at it.</P>
<P>The next step is to tell the webserver that documents with
a ".<TT>py</TT>" extension should be served through
the <TT>PythonCGISlave</TT> helper application. Open the webserver,
choose Preferences, tab Action, Add, Start on Extension, extension
".py", select application <TT>PythonCGISlave</TT> (which
lives in <TT>Python:Mac:Tools:CGI</TT>).</P>
<P>The last step is to try it. Put the following script in <TT>Macintosh
HD:Webpages:hello.py </TT>(assuming your webserver has the default
settings for its document folder):</P>
<BLOCKQUOTE>
<P><CODE>print "Content-type: text/plain"<BR>
print<BR>
print "Hello world!"<BR>
import time<BR>
print "Local time is", time.ctime(time.time())</CODE></P></BLOCKQUOTE>
<P>Point your webbrowser at <A HREF="http://localhost/hello.py">http://localhost/hello.py</A><CODE>
</CODE>and check whether it works.
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