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authorNeal Norwitz <nnorwitz@gmail.com>2006-03-17 05:49:33 (GMT)
committerNeal Norwitz <nnorwitz@gmail.com>2006-03-17 05:49:33 (GMT)
commitac3625fcb95c2c54e40e1a27f2395811adbed03e (patch)
tree7ef987a510e3ad2e43ee67ca6854cd6af23673f9 /Doc
parentfc85c92a85e08d39ea769a07a3dc2a3c83c21477 (diff)
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Remove sys.exc_type, sys.exc_value, sys.exc_traceback
Diffstat (limited to 'Doc')
-rw-r--r--Doc/api/exceptions.tex9
-rw-r--r--Doc/api/intro.tex7
-rw-r--r--Doc/ext/extending.tex5
-rw-r--r--Doc/lib/libtraceback.tex11
-rw-r--r--Doc/ref/ref7.tex20
5 files changed, 17 insertions, 35 deletions
diff --git a/Doc/api/exceptions.tex b/Doc/api/exceptions.tex
index c4727f2..62f713b 100644
--- a/Doc/api/exceptions.tex
+++ b/Doc/api/exceptions.tex
@@ -23,12 +23,9 @@ carefully propagated, additional calls into the Python/C API may not
behave as intended and may fail in mysterious ways.
The error indicator consists of three Python objects corresponding to
-\withsubitem{(in module sys)}{
- \ttindex{exc_type}\ttindex{exc_value}\ttindex{exc_traceback}}
-the Python variables \code{sys.exc_type}, \code{sys.exc_value} and
-\code{sys.exc_traceback}. API functions exist to interact with the
-error indicator in various ways. There is a separate error indicator
-for each thread.
+the result of \code{sys.exc_info()}. API functions exist to interact
+with the error indicator in various ways. There is a separate
+error indicator for each thread.
% XXX Order of these should be more thoughtful.
% Either alphabetical or some kind of structure.
diff --git a/Doc/api/intro.tex b/Doc/api/intro.tex
index d84b654..608d562 100644
--- a/Doc/api/intro.tex
+++ b/Doc/api/intro.tex
@@ -400,15 +400,12 @@ exception state.
The full exception state consists of three objects (all of which can
be \NULL): the exception type, the corresponding exception
value, and the traceback. These have the same meanings as the Python
-\withsubitem{(in module sys)}{
- \ttindex{exc_type}\ttindex{exc_value}\ttindex{exc_traceback}}
-objects \code{sys.exc_type}, \code{sys.exc_value}, and
-\code{sys.exc_traceback}; however, they are not the same: the Python
+result of \code{sys.exc_info()}; however, they are not the same: the Python
objects represent the last exception being handled by a Python
\keyword{try} \ldots\ \keyword{except} statement, while the C level
exception state only exists while an exception is being passed on
between C functions until it reaches the Python bytecode interpreter's
-main loop, which takes care of transferring it to \code{sys.exc_type}
+main loop, which takes care of transferring it to \code{sys.exc_info()}
and friends.
Note that starting with Python 1.5, the preferred, thread-safe way to
diff --git a/Doc/ext/extending.tex b/Doc/ext/extending.tex
index 7016f94..0e2fd14 100644
--- a/Doc/ext/extending.tex
+++ b/Doc/ext/extending.tex
@@ -120,9 +120,8 @@ variable is \NULL{} no exception has occurred. A second global
variable stores the ``associated value'' of the exception (the second
argument to \keyword{raise}). A third variable contains the stack
traceback in case the error originated in Python code. These three
-variables are the C equivalents of the Python variables
-\code{sys.exc_type}, \code{sys.exc_value} and \code{sys.exc_traceback} (see
-the section on module \module{sys} in the
+variables are the C equivalents of the result in Python of
+\method{sys.exc_info()} (see the section on module \module{sys} in the
\citetitle[../lib/lib.html]{Python Library Reference}). It is
important to know about them to understand how errors are passed
around.
diff --git a/Doc/lib/libtraceback.tex b/Doc/lib/libtraceback.tex
index b7f61ac..80dc423 100644
--- a/Doc/lib/libtraceback.tex
+++ b/Doc/lib/libtraceback.tex
@@ -12,9 +12,8 @@ when you want to print stack traces under program control, such as in a
``wrapper'' around the interpreter.
The module uses traceback objects --- this is the object type that is
-stored in the variables \code{sys.exc_traceback} (deprecated) and
-\code{sys.last_traceback} and returned as the third item from
-\function{sys.exc_info()}.
+stored in the \code{sys.last_traceback} variable and returned
+as the third item from \function{sys.exc_info()}.
\obindex{traceback}
The module defines the following functions:
@@ -41,11 +40,7 @@ with a caret indicating the approximate position of the error.
\end{funcdesc}
\begin{funcdesc}{print_exc}{\optional{limit\optional{, file}}}
-This is a shorthand for \code{print_exception(sys.exc_type,
-sys.exc_value, sys.exc_traceback, \var{limit}, \var{file})}. (In
-fact, it uses \function{sys.exc_info()} to retrieve the same
-information in a thread-safe way instead of using the deprecated
-variables.)
+This is a shorthand for \code{print_exception(*\function{sys.exc_info()}}.
\end{funcdesc}
\begin{funcdesc}{format_exc}{\optional{limit}}
diff --git a/Doc/ref/ref7.tex b/Doc/ref/ref7.tex
index 4ae6040..90627a4 100644
--- a/Doc/ref/ref7.tex
+++ b/Doc/ref/ref7.tex
@@ -250,21 +250,15 @@ occurs in the try clause of the inner handler, the outer handler will
not handle the exception.)
Before an except clause's suite is executed, details about the
-exception are assigned to three variables in the
-\module{sys}\refbimodindex{sys} module: \code{sys.exc_type} receives
-the object identifying the exception; \code{sys.exc_value} receives
-the exception's parameter; \code{sys.exc_traceback} receives a
+exception are stored in the \module{sys}\refbimodindex{sys} module
+and can be access via \function{sys.exc_info()}. \function{sys.exc_info()}
+returns a 3-tuple consisting of: \code{exc_type} receives
+the object identifying the exception; \code{exc_value} receives
+the exception's parameter; \code{exc_traceback} receives a
traceback object\obindex{traceback} (see section~\ref{traceback})
identifying the point in the program where the exception occurred.
-These details are also available through the \function{sys.exc_info()}
-function, which returns a tuple \code{(\var{exc_type}, \var{exc_value},
-\var{exc_traceback})}. Use of the corresponding variables is
-deprecated in favor of this function, since their use is unsafe in a
-threaded program. As of Python 1.5, the variables are restored to
-their previous values (before the call) when returning from a function
-that handled an exception.
-\withsubitem{(in module sys)}{\ttindex{exc_type}
- \ttindex{exc_value}\ttindex{exc_traceback}}
+\function{sys.exc_info()} values are restored to their previous values
+(before the call) when returning from a function that handled an exception.
The optional \keyword{else} clause is executed if and when control
flows off the end of the \keyword{try} clause.\footnote{