author | Shabe Razvi <shaber@symbian.org> |
Fri, 13 Nov 2009 15:54:25 +0000 | |
changeset 15 | cc51249fbd9c |
parent 1 | 2fb8b9db1c86 |
permissions | -rw-r--r-- |
1
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FAQ Wizard |
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---------- |
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Author: Guido van Rossum <guido@python.org> |
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Version: 1.0 |
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Date: 6 April 1998 |
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This is a CGI program that maintains a user-editable FAQ. It uses RCS |
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to keep track of changes to individual FAQ entries. It is fully |
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configurable; everything you might want to change when using this |
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program to maintain some other FAQ than the Python FAQ is contained in |
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the configuration module, faqconf.py. |
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Note that the bulk of the code is not an executable script; it's an |
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importable module. The actual script in cgi-bin is minimal. |
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Files: |
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faqw.py executable script to be edited and installed in cgi-bin |
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faqwiz.py main module, lives in same directory as FAQ entry files |
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faqconf.py main configuration module |
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faqcust.py additional local customization module (optional) |
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move-faqwiz.sh Script to move faqwiz entries. |
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What's New? |
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----------- |
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Version 1.0 corrects some minor bugs and uses tab-agnostic |
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indentation; it is otherwise unchanged from version 0.9.0. |
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Version 0.9.0 uses the re module (Perl style regular expressions) for |
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all its regular expression needs, instead of the regex and regsub |
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modules (Emacs style). This affects the syntax for regular |
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expressions entered by the user as search strings (with "regular |
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expression" checked), hence the version number jump. |
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Setup Information |
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----------------- |
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This assumes you are familiar with Python, with your http server, and |
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with running CGI scripts under your http server. You need Python 1.5 |
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or better. |
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Select a place where the Python modules that constitute the FAQ wizard |
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will live (the directory where you unpacked it is an obvious choice). |
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This will be called the SRCDIR. This directory should not be writable |
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by other users of your system (since they would be able to execute |
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arbitrary code by invoking the FAQ wizard's CGI script). |
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|
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Create a dedicated working directory, preferably one that's not |
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directly reachable from your http server. This will be called the |
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FAQDIR. Create a subdirectory named RCS. Make both the working |
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directory and the RCS subdirectory wrld-writable. (This is essential, |
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since the FAQ wizard runs as use nobody, and needs to create |
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additional files here!) |
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|
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Edit faqconf.py to reflect your setup. You only need to edit the top |
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part, up till the line of all dashes. The comments should guide you |
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in your edits. (Actually, you can also choose to add your changes to |
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faqcust.py and leave faqconf.py alone. This is essential if you are |
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maintaining multiple FAQs; see below.) |
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Don't forget to edit the SECTION_TITLES variables to reflect the set |
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of section titles for your FAQ! |
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|
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Next, edit faqw.py to reflect the pathname of your Python interpreter |
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and the values for SRCDIR and FAQDIR that you just chose. Then |
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install faqw.py in your cgi-bin directory. Make sure that it is |
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world-executable. You should now be able to connect to the FAQ wizard |
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by entering the following URL in your web client (subsituting the |
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appropriate host and port for "your.web.server", and perhaps |
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specifying a different directory for "cgi-bin" if local conventions so |
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dictate): |
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http://your.web.server/cgi-bin/faqw.py |
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|
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If you are unable to get this working, check your server's error_log |
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file. The documentation for Python's cgi module in the Python Library |
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Reference Manual gives plentyu additional information about installing |
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and debugging CGI scripts, including setup debugging. This |
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documentation is repeated in the doc string in the cgi module; try |
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``import cgi; print cgi.__doc__''. |
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86 |
|
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Assuming this works, you should now be able to add the first entry to |
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your FAQ using the FAQ wizard interface. This creates a file |
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faq01.001.htp in your working directory and an RCS revision history |
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file faq01.001.htp,v in the RCS subdirectory. You can now exercise |
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the other FAQ wizard features (search, index, whole FAQ, what's new, |
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roulette, and so on). |
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Maintaining Multiple FAQs |
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------------------------- |
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|
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If you have multiple FAQs, you need a separate FAQDIR per FAQ, and a |
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different customization file per FAQ. The easiest thing to do would |
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be to have the faqcust.py for each FAQ live in the FAQDIR for that |
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FAQ, but that creates some security concerns, since the FAQDIR must be |
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world writable: *if* someone who breaks into your system (or a |
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legitimate user) manages to edit the faqcust.py file they can get |
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arbitrary code to execute through the FAQ wizard. Therefore, you will |
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need a more complex setup. |
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The best way is probably to have a directory that is only writable by |
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you for each FAQ, where you place the copy of faqcust.py for that FAQ, |
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and have a world-writable subdirectory DATA for the data. You then |
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set FAQDIR to point to the DATA directory and change the faqw.py |
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bootstrap script to add FAQDIR/.. to sys.path (in front of SRCDIR, so |
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the dummy faqcust.py from SRCDIR is ignored). |
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--Guido van Rossum (home page: http://www.python.org/~guido/) |