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100 lines
3.6 KiB
TeX
100 lines
3.6 KiB
TeX
\section{\module{webbrowser} ---
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Convenient Web-browser controller}
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\declaremodule{standard}{webbrowser}
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\modulesynopsis{Easy-to-use controller for Web browsers.}
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\moduleauthor{Fred L. Drake, Jr.}{fdrake@acm.org}
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\sectionauthor{Fred L. Drake, Jr.}{fdrake@acm.org}
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The \module{webbrowser} module provides a very high-level interface to
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allow displaying Web-based documents to users. The controller objects
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are easy to use and are platform independent.
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Under \UNIX, graphical browsers are preferred under X11, but text-mode
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browser will be used if graphical browsers are not available or an X11
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display isn't available. If text-mode browsers are used, the calling
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process will block until the user exits the browser.
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For non-\UNIX{} platforms, or when X11 browsers are available on
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\UNIX, the controlling process will not wait for the user to finish
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with the browser, but allow the browser to maintain its own window on
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the display.
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The following exception is defined:
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\begin{excdesc}{Error}
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Exception raised when a browser control error occurs.
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\end{excdesc}
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The following functions are defined:
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\begin{funcdesc}{open}{url\optional{, new}}
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Display \var{url} using the default browser. If \var{new} is true,
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a new browser window is opened if possible.
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\end{funcdesc}
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\begin{funcdesc}{open_new}{url}
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Open \var{url} in a new window of the default browser, if possible,
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otherwise, open \var{url} in the only browser window.
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\end{funcdesc}
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\begin{funcdesc}{get}{\optional{name}}
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Return a controller object for the browser type \var{name}.
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\end{funcdesc}
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\begin{funcdesc}{register}{name, constructor\optional{, controller}}
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Register the browser type \var{name}. Once a browser type is
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registered, the \function{get()} function can return a controller
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for that browser type. If \var{instance} is not provided, or is
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\code{None}, \var{constructor} will be called without parameters to
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create an instance when needed. If \var{instance} is provided,
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\var{constructor} will never be called, and may be \code{None}.
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\end{funcdesc}
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Several browser types are defined. This table gives the type names
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that may be passed to the \function{get()} function and the names of
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the implementation classes, all defined in this module.
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\begin{tableiii}{l|l|c}{code}{Type Name}{Class Name}{Notes}
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\lineiii{'netscape'}{\class{Netscape}}{}
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\lineiii{'kfm'}{\class{Konquerer}}{(1)}
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\lineiii{'grail'}{\class{Grail}}{}
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\lineiii{'windows-default'}{\class{WindowsDefault}}{(2)}
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\lineiii{'internet-config'}{\class{InternetConfig}}{(3)}
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\lineiii{'command-line'}{\class{CommandLineBrowser}}{}
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\end{tableiii}
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\noindent
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Notes:
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\begin{description}
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\item[(1)]
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``Konquerer'' is the file manager for the KDE desktop environment, and
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only makes sense to use if KDE is running.
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\item[(2)]
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Only on Windows platforms; requires the common
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extension modules \module{win32api} and \module{win32con}.
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\item[(3)]
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Only on MacOS platforms; requires the standard MacPython \module{ic}
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module, described in the \citetitle[../mac/module-ic.html]{Macintosh
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Library Modules} manual.
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\end{description}
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\subsection{Browser Controller Objects \label{browser-controllers}}
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Browser controllers provide two methods which parallel two of the
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module-level convenience functions:
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\begin{funcdesc}{open}{url\optional{, new}}
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Display \var{url} using the browser handled by this controller. If
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\var{new} is true, a new browser window is opened if possible.
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\end{funcdesc}
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\begin{funcdesc}{open_new}{url}
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Open \var{url} in a new window of the browser handled by this
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controller, if possible, otherwise, open \var{url} in the only
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browser window.
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\end{funcdesc}
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