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94 lines
3.6 KiB
ReStructuredText
94 lines
3.6 KiB
ReStructuredText
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:mod:`SimpleHTTPServer` --- Simple HTTP request handler
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=======================================================
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.. module:: SimpleHTTPServer
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:synopsis: This module provides a basic request handler for HTTP servers.
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.. sectionauthor:: Moshe Zadka <moshez@zadka.site.co.il>
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.. note::
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The :mod:`SimpleHTTPServer` 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:`SimpleHTTPServer` module defines a single class,
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:class:`SimpleHTTPRequestHandler`, which is interface-compatible with
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:class:`BaseHTTPServer.BaseHTTPRequestHandler`.
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The :mod:`SimpleHTTPServer` module defines the following class:
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.. class:: SimpleHTTPRequestHandler(request, client_address, server)
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This class serves files from the current directory and below, directly
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mapping the directory structure to HTTP requests.
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A lot of the work, such as parsing the request, is done by the base class
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:class:`BaseHTTPServer.BaseHTTPRequestHandler`. This class implements the
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:func:`do_GET` and :func:`do_HEAD` functions.
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The following are defined as class-level attributes of
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:class:`SimpleHTTPRequestHandler`:
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.. attribute:: server_version
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This will be ``"SimpleHTTP/" + __version__``, where ``__version__`` is
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defined at the module level.
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.. attribute:: extensions_map
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A dictionary mapping suffixes into MIME types. The default is
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signified by an empty string, and is considered to be
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``application/octet-stream``. The mapping is used case-insensitively,
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and so should contain only lower-cased keys.
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The :class:`SimpleHTTPRequestHandler` class defines the following methods:
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.. method:: do_HEAD()
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This method serves the ``'HEAD'`` request type: it sends the headers it
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would send for the equivalent ``GET`` request. See the :meth:`do_GET`
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method for a more complete explanation of the possible headers.
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.. method:: do_GET()
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The request is mapped to a local file by interpreting the request as a
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path relative to the current working directory.
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If the request was mapped to a directory, the directory is checked for a
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file named ``index.html`` or ``index.htm`` (in that order). If found, the
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file's contents are returned; otherwise a directory listing is generated
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by calling the :meth:`list_directory` method. This method uses
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:func:`os.listdir` to scan the directory, and returns a ``404`` error
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response if the :func:`listdir` fails.
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If the request was mapped to a file, it is opened and the contents are
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returned. Any :exc:`IOError` exception in opening the requested file is
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mapped to a ``404``, ``'File not found'`` error. Otherwise, the content
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type is guessed by calling the :meth:`guess_type` method, which in turn
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uses the *extensions_map* variable.
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A ``'Content-type:'`` header with the guessed content type is output,
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followed by a ``'Content-Length:'`` header with the file's size and a
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``'Last-Modified:'`` header with the file's modification time.
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Then follows a blank line signifying the end of the headers, and then the
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contents of the file are output. If the file's MIME type starts with
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``text/`` the file is opened in text mode; otherwise binary mode is used.
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For example usage, see the implementation of the :func:`test` function.
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.. versionadded:: 2.5
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The ``'Last-Modified'`` header.
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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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