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+
+:mod:`cgitb` --- Traceback manager for CGI scripts
+==================================================
+
+.. module:: cgitb
+   :synopsis: Configurable traceback handler for CGI scripts.
+.. moduleauthor:: Ka-Ping Yee <ping@lfw.org>
+.. sectionauthor:: Fred L. Drake, Jr. <fdrake@acm.org>
+
+
+.. versionadded:: 2.2
+
+.. index::
+   single: CGI; exceptions
+   single: CGI; tracebacks
+   single: exceptions; in CGI scripts
+   single: tracebacks; in CGI scripts
+
+The :mod:`cgitb` module provides a special exception handler for Python scripts.
+(Its name is a bit misleading.  It was originally designed to display extensive
+traceback information in HTML for CGI scripts.  It was later generalized to also
+display this information in plain text.)  After this module is activated, if an
+uncaught exception occurs, a detailed, formatted report will be displayed.  The
+report includes a traceback showing excerpts of the source code for each level,
+as well as the values of the arguments and local variables to currently running
+functions, to help you debug the problem.  Optionally, you can save this
+information to a file instead of sending it to the browser.
+
+To enable this feature, simply add one line to the top of your CGI script::
+
+   import cgitb; cgitb.enable()
+
+The options to the :func:`enable` function control whether the report is
+displayed in the browser and whether the report is logged to a file for later
+analysis.
+
+
+.. function:: enable([display[, logdir[, context[, format]]]])
+
+   .. index:: single: excepthook() (in module sys)
+
+   This function causes the :mod:`cgitb` module to take over the interpreter's
+   default handling for exceptions by setting the value of :attr:`sys.excepthook`.
+
+   The optional argument *display* defaults to ``1`` and can be set to ``0`` to
+   suppress sending the traceback to the browser. If the argument *logdir* is
+   present, the traceback reports are written to files.  The value of *logdir*
+   should be a directory where these files will be placed. The optional argument
+   *context* is the number of lines of context to display around the current line
+   of source code in the traceback; this defaults to ``5``. If the optional
+   argument *format* is ``"html"``, the output is formatted as HTML.  Any other
+   value forces plain text output.  The default value is ``"html"``.
+
+
+.. function:: handler([info])
+
+   This function handles an exception using the default settings (that is, show a
+   report in the browser, but don't log to a file). This can be used when you've
+   caught an exception and want to report it using :mod:`cgitb`.  The optional
+   *info* argument should be a 3-tuple containing an exception type, exception
+   value, and traceback object, exactly like the tuple returned by
+   :func:`sys.exc_info`.  If the *info* argument is not supplied, the current
+   exception is obtained from :func:`sys.exc_info`.
+