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author | Fred Drake <fdrake@acm.org> | 1998-04-04 07:15:02 (GMT) |
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committer | Fred Drake <fdrake@acm.org> | 1998-04-04 07:15:02 (GMT) |
commit | fc57619811688c2ca885d285c651e0da59b88cc4 (patch) | |
tree | 5bfe87ac9bca13742b8a4a8a4bbd6766b3c8a6d1 /Doc/libbasehttp.tex | |
parent | 71c1e502f0fba1dd40c4cc93b2143189d82a7672 (diff) | |
download | cpython-fc57619811688c2ca885d285c651e0da59b88cc4.zip cpython-fc57619811688c2ca885d285c651e0da59b88cc4.tar.gz cpython-fc57619811688c2ca885d285c651e0da59b88cc4.tar.bz2 |
Remove obsolete \setindexsubitem macros.
Massive migration to methoddesc and memberdesc.
Logical markup as needed.
A sprinkling of index entries for flavor.
Diffstat (limited to 'Doc/libbasehttp.tex')
-rw-r--r-- | Doc/libbasehttp.tex | 130 |
1 files changed, 66 insertions, 64 deletions
diff --git a/Doc/libbasehttp.tex b/Doc/libbasehttp.tex index 2a4a7d0..7ee55df 100644 --- a/Doc/libbasehttp.tex +++ b/Doc/libbasehttp.tex @@ -1,4 +1,4 @@ -\section{Standard Module \sectcode{BaseHTTPServer}} +\section{Standard Module \module{BaseHTTPServer}} \label{module-BaseHTTPServer} \stmodindex{BaseHTTPServer} @@ -23,18 +23,21 @@ run the server looks like this: \begin{verbatim} def run(server_class=BaseHTTPServer.HTTPServer, handler_class=BaseHTTPServer.BaseHTTPRequestHandler): - server_address = ('', 8000) - httpd = server_class(server_address, handler_class) - httpd.serve_forever() + server_address = ('', 8000) + httpd = server_class(server_address, handler_class) + httpd.serve_forever() \end{verbatim} -The \class{HTTPServer} class builds on the \class{TCPServer} class by +\begin{classdesc}{HTTPServer}{server_address, RequestHandlerClass} +This class builds on the \class{TCPServer} class by storing the server address as instance variables named \member{server_name} and \member{server_port}. The server is accessible by the handler, typically through the handler's \member{server} instance variable. +\end{classdesc} -The module's second class, \class{BaseHTTPRequestHandler}, is used +\begin{classdesc}{BaseHTTPRequestHandler}{request, client_address, server} +This class is used to handle the HTTP requests that arrive at the server. By itself, it cannot respond to any actual HTTP requests; it must be subclassed to handle each request method (e.g. GET or POST). @@ -43,69 +46,69 @@ variables, and methods for use by subclasses. The handler will parse the request and the headers, then call a method specific to the request type. The method name is constructed -from the request. For example, for the request \samp{SPAM}, the +from the request. For example, for the request method \samp{SPAM}, the \method{do_SPAM()} method will be called with no arguments. All of -the relevant information is stored into instance variables of the -handler. +the relevant information is stored in instance variables of the +handler. Subclasses should not need to override or extend the +\method{__init__()} method. +\end{classdesc} -\setindexsubitem{(BaseHTTPRequestHandler attribute)} \class{BaseHTTPRequestHandler} has the following instance variables: -\begin{datadesc}{client_address} +\begin{memberdesc}{client_address} Contains a tuple of the form \code{(\var{host}, \var{port})} referring to the client's address. -\end{datadesc} +\end{memberdesc} -\begin{datadesc}{command} +\begin{memberdesc}{command} Contains the command (request type). For example, \code{'GET'}. -\end{datadesc} +\end{memberdesc} -\begin{datadesc}{path} +\begin{memberdesc}{path} Contains the request path. -\end{datadesc} +\end{memberdesc} -\begin{datadesc}{request_version} +\begin{memberdesc}{request_version} Contains the version string from the request. For example, \code{'HTTP/1.0'}. -\end{datadesc} +\end{memberdesc} -\begin{datadesc}{headers} +\begin{memberdesc}{headers} Holds an instance of the class specified by the \member{MessageClass} class variable. This instance parses and manages the headers in the HTTP request. -\end{datadesc} +\end{memberdesc} -\begin{datadesc}{rfile} +\begin{memberdesc}{rfile} Contains an input stream, positioned at the start of the optional input data. -\end{datadesc} +\end{memberdesc} -\begin{datadesc}{wfile} +\begin{memberdesc}{wfile} Contains the output stream for writing a response back to the client. Proper adherance to the HTTP protocol must be used when writing to this stream. -\end{datadesc} +\end{memberdesc} -\setindexsubitem{(BaseHTTPRequestHandler attribute)} -\code{BaseHTTPRequestHandler} has the following class variables: +\class{BaseHTTPRequestHandler} has the following class variables: -\begin{datadesc}{server_version} +\begin{memberdesc}{server_version} Specifies the server software version. You may want to override this. The format is multiple whitespace-separated strings, where each string is of the form name[/version]. For example, \code{'BaseHTTP/0.2'}. -\end{datadesc} +\end{memberdesc} -\begin{datadesc}{sys_version} +\begin{memberdesc}{sys_version} Contains the Python system version, in a form usable by the \member{version_string} method and the \member{server_version} class variable. For example, \code{'Python/1.4'}. -\end{datadesc} +\end{memberdesc} -\begin{datadesc}{error_message_format} +\begin{memberdesc}{error_message_format} Specifies a format string for building an error response to the client. It uses parenthesized, keyed format specifiers, so the format operand must be a dictionary. The \var{code} key should @@ -115,103 +118,102 @@ message of what occurred, and \var{explain} should be an explanation of the error code number. Default \var{message} and \var{explain} values can found in the \var{responses} class variable. -\end{datadesc} +\end{memberdesc} -\begin{datadesc}{protocol_version} +\begin{memberdesc}{protocol_version} This specifies the HTTP protocol version used in responses. Typically, this should not be overridden. Defaults to \code{'HTTP/1.0'}. -\end{datadesc} +\end{memberdesc} -\begin{datadesc}{MessageClass} +\begin{memberdesc}{MessageClass} Specifies a \class{rfc822.Message}-like class to parse HTTP headers. Typically, this is not overridden, and it defaults to \class{mimetools.Message}. \withsubitem{(in module mimetools)}{\ttindex{Message}} -\end{datadesc} +\end{memberdesc} -\begin{datadesc}{responses} +\begin{memberdesc}{responses} This variable contains a mapping of error code integers to two-element tuples containing a short and long message. For example, \code{\{\var{code}: (\var{shortmessage}, \var{longmessage})\}}. The \var{shortmessage} is usually used as the \var{message} key in an error response, and \var{longmessage} as the \var{explain} key (see the \member{error_message_format} class variable). -\end{datadesc} +\end{memberdesc} -\setindexsubitem{(BaseHTTPRequestHandler method)} A \class{BaseHTTPRequestHandler} instance has the following methods: -\begin{funcdesc}{handle}{} +\begin{methoddesc}{handle}{} Overrides the superclass' \method{handle()} method to provide the specific handler behavior. This method will parse and dispatch -the request to the appropriate \code{do_*()} method. -\end{funcdesc} +the request to the appropriate \method{do_*()} method. +\end{methoddesc} -\begin{funcdesc}{send_error}{code\optional{, message}} +\begin{methoddesc}{send_error}{code\optional{, message}} Sends and logs a complete error reply to the client. The numeric \var{code} specifies the HTTP error code, with \var{message} as optional, more specific text. A complete set of headers is sent, followed by text composed using the \member{error_message_format} class variable. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{send_response}{code\optional{, message}} +\begin{methoddesc}{send_response}{code\optional{, message}} Sends a response header and logs the accepted request. The HTTP response line is sent, followed by \emph{Server} and \emph{Date} headers. The values for these two headers are picked up from the \method{version_string()} and \method{date_time_string()} methods, respectively. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{send_header}{keyword, value} +\begin{methoddesc}{send_header}{keyword, value} Writes a specific MIME header to the output stream. \var{keyword} should specify the header keyword, with \var{value} specifying its value. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{end_headers}{} +\begin{methoddesc}{end_headers}{} Sends a blank line, indicating the end of the MIME headers in the response. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{log_request}{\optional{code\optional{, size}}} +\begin{methoddesc}{log_request}{\optional{code\optional{, size}}} Logs an accepted (successful) request. \var{code} should specify the numeric HTTP code associated with the response. If a size of the response is available, then it should be passed as the \var{size} parameter. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{log_error}{...} +\begin{methoddesc}{log_error}{...} Logs an error when a request cannot be fulfilled. By default, it passes the message to \method{log_message()}, so it takes the same arguments (\var{format} and additional values). -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{log_message}{format, ...} +\begin{methoddesc}{log_message}{format, ...} Logs an arbitrary message to \code{sys.stderr}. This is typically overridden to create custom error logging mechanisms. The \var{format} argument is a standard printf-style format string, where the additional arguments to \method{log_message()} are applied as inputs to the formatting. The client address and current date and time are prefixed to every message logged. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{version_string}{} +\begin{methoddesc}{version_string}{} Returns the server software's version string. This is a combination of the \member{server_version} and \member{sys_version} class variables. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{date_time_string}{} +\begin{methoddesc}{date_time_string}{} Returns the current date and time, formatted for a message header. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{log_data_time_string}{} +\begin{methoddesc}{log_data_time_string}{} Returns the current date and time, formatted for logging. -\end{funcdesc} +\end{methoddesc} -\begin{funcdesc}{address_string}{} +\begin{methoddesc}{address_string}{} Returns the client address, formatted for logging. A name lookup is performed on the client's IP address. -\end{funcdesc} +\end{methoddesc} |