author | martin.trojer@nokia.com |
Fri, 31 Jul 2009 15:01:17 +0100 | |
changeset 1 | 2fb8b9db1c86 |
permissions | -rw-r--r-- |
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:mod:`CGIHTTPServer` --- CGI-capable HTTP request handler |
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========================================================= |
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.. module:: CGIHTTPServer |
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:synopsis: This module provides a request handler for HTTP servers which can run CGI |
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scripts. |
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.. sectionauthor:: Moshe Zadka <moshez@zadka.site.co.il> |
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.. note:: |
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The :mod:`CGIHTTPServer` module has been merged into :mod:`http.server` in |
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Python 3.0. The :term:`2to3` tool will automatically adapt imports when |
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converting your sources to 3.0. |
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The :mod:`CGIHTTPServer` module defines a request-handler class, interface |
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compatible with :class:`BaseHTTPServer.BaseHTTPRequestHandler` and inherits |
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behavior from :class:`SimpleHTTPServer.SimpleHTTPRequestHandler` but can also |
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run CGI scripts. |
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.. note:: |
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This module can run CGI scripts on Unix and Windows systems. |
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.. note:: |
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CGI scripts run by the :class:`CGIHTTPRequestHandler` class cannot execute |
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redirects (HTTP code 302), because code 200 (script output follows) is sent |
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prior to execution of the CGI script. This pre-empts the status code. |
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The :mod:`CGIHTTPServer` module defines the following class: |
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.. class:: CGIHTTPRequestHandler(request, client_address, server) |
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This class is used to serve either files or output of CGI scripts from the |
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current directory and below. Note that mapping HTTP hierarchic structure to |
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local directory structure is exactly as in |
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:class:`SimpleHTTPServer.SimpleHTTPRequestHandler`. |
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The class will however, run the CGI script, instead of serving it as a file, if |
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it guesses it to be a CGI script. Only directory-based CGI are used --- the |
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other common server configuration is to treat special extensions as denoting CGI |
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scripts. |
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The :func:`do_GET` and :func:`do_HEAD` functions are modified to run CGI scripts |
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and serve the output, instead of serving files, if the request leads to |
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somewhere below the ``cgi_directories`` path. |
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The :class:`CGIHTTPRequestHandler` defines the following data member: |
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.. attribute:: cgi_directories |
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This defaults to ``['/cgi-bin', '/htbin']`` and describes directories to |
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treat as containing CGI scripts. |
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The :class:`CGIHTTPRequestHandler` defines the following methods: |
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.. method:: do_POST() |
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This method serves the ``'POST'`` request type, only allowed for CGI |
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scripts. Error 501, "Can only POST to CGI scripts", is output when trying |
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to POST to a non-CGI url. |
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Note that CGI scripts will be run with UID of user nobody, for security reasons. |
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Problems with the CGI script will be translated to error 403. |
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For example usage, see the implementation of the :func:`test` function. |
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.. seealso:: |
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Module :mod:`BaseHTTPServer` |
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Base class implementation for Web server and request handler. |
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