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Kaydet (Commit) 7506298d authored tarafından Fred Drake's avatar Fred Drake
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Mark up filename extensions consistently. 

Logical markup.
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Doc/lib/libmarshal.tex
Dosyayı görüntüle @ 7506298d
...@@ -17,9 +17,9 @@ internal to external form (in an RPC buffer for instance) and ...@@ -17,9 +17,9 @@ internal to external form (in an RPC buffer for instance) and
This is not a general ``persistency'' module. For general persistency This is not a general ``persistency'' module. For general persistency
and transfer of Python objects through RPC calls, see the modules and transfer of Python objects through RPC calls, see the modules
\code{pickle} and \code{shelve}. The \code{marshal} module exists \module{pickle} and \module{shelve}. The \module{marshal} module exists
mainly to support reading and writing the ``pseudo-compiled'' code for mainly to support reading and writing the ``pseudo-compiled'' code for
Python modules of \samp{.pyc} files. Python modules of \file{.pyc} files.
\refstmodindex{pickle} \refstmodindex{pickle}
\refstmodindex{shelve} \refstmodindex{shelve}
\obindex{code} \obindex{code}
...@@ -37,16 +37,16 @@ supported; and recursive lists and dictionaries should not be written ...@@ -37,16 +37,16 @@ supported; and recursive lists and dictionaries should not be written
\strong{Caveat:} On machines where C's \code{long int} type has more than \strong{Caveat:} On machines where C's \code{long int} type has more than
32 bits (such as the DEC Alpha), it 32 bits (such as the DEC Alpha), it
is possible to create plain Python integers that are longer than 32 is possible to create plain Python integers that are longer than 32
bits. Since the current \code{marshal} module uses 32 bits to bits. Since the current \module{marshal} module uses 32 bits to
transfer plain Python integers, such values are silently truncated. transfer plain Python integers, such values are silently truncated.
This particularly affects the use of very long integer literals in This particularly affects the use of very long integer literals in
Python modules --- these will be accepted by the parser on such Python modules --- these will be accepted by the parser on such
machines, but will be silently be truncated when the module is read machines, but will be silently be truncated when the module is read
from the \code{.pyc} instead.% from the \file{.pyc} instead.%
\footnote{A solution would be to refuse such literals in the parser, \footnote{A solution would be to refuse such literals in the parser,
since they are inherently non-portable. Another solution would be to since they are inherently non-portable. Another solution would be to
let the \code{marshal} module raise an exception when an integer value let the \module{marshal} module raise an exception when an integer
would be truncated. At least one of these solutions will be value would be truncated. At least one of these solutions will be
implemented in a future version.} implemented in a future version.}
There are functions that read/write files as well as functions There are functions that read/write files as well as functions
...@@ -59,34 +59,34 @@ The module defines these functions: ...@@ -59,34 +59,34 @@ The module defines these functions:
\begin{funcdesc}{dump}{value\, file} \begin{funcdesc}{dump}{value\, file}
Write the value on the open file. The value must be a supported Write the value on the open file. The value must be a supported
type. The file must be an open file object such as type. The file must be an open file object such as
\code{sys.stdout} or returned by \code{open()} or \code{sys.stdout} or returned by \function{open()} or
\code{posix.popen()}. \function{posix.popen()}.
If the value has (or contains an object that has) an unsupported type, If the value has (or contains an object that has) an unsupported type,
a \code{ValueError} exception is raised -- but garbage data will also a \exception{ValueError} exception is raised -- but garbage data
be written to the file. The object will not be properly read back by will also be written to the file. The object will not be properly
\code{load()}. read back by \function{load()}.
\end{funcdesc} \end{funcdesc}
\begin{funcdesc}{load}{file} \begin{funcdesc}{load}{file}
Read one value from the open file and return it. If no valid value Read one value from the open file and return it. If no valid value
is read, raise \code{EOFError}, \code{ValueError} or is read, raise \exception{EOFError}, \exception{ValueError} or
\code{TypeError}. The file must be an open file object. \exception{TypeError}. The file must be an open file object.
Warning: If an object containing an unsupported type was marshalled Warning: If an object containing an unsupported type was marshalled
with \code{dump()}, \code{load()} will substitute \code{None} for the with \function{dump()}, \function{load()} will substitute
unmarshallable type. \code{None} for the unmarshallable type.
\end{funcdesc} \end{funcdesc}
\begin{funcdesc}{dumps}{value} \begin{funcdesc}{dumps}{value}
Return the string that would be written to a file by Return the string that would be written to a file by
\code{dump(value, file)}. The value must be a supported type. \code{dump(\var{value}, \var{file})}. The value must be a supported
Raise a \code{ValueError} exception if value has (or contains an type. Raise a \exception{ValueError} exception if value has (or
object that has) an unsupported type. contains an object that has) an unsupported type.
\end{funcdesc} \end{funcdesc}
\begin{funcdesc}{loads}{string} \begin{funcdesc}{loads}{string}
Convert the string to a value. If no valid value is found, raise Convert the string to a value. If no valid value is found, raise
\code{EOFError}, \code{ValueError} or \code{TypeError}. Extra \exception{EOFError}, \exception{ValueError} or
characters in the string are ignored. \exception{TypeError}. Extra characters in the string are ignored.
\end{funcdesc} \end{funcdesc}
Doc/libmarshal.tex
Dosyayı görüntüle @ 7506298d
...@@ -17,9 +17,9 @@ internal to external form (in an RPC buffer for instance) and ...@@ -17,9 +17,9 @@ internal to external form (in an RPC buffer for instance) and
This is not a general ``persistency'' module. For general persistency This is not a general ``persistency'' module. For general persistency
and transfer of Python objects through RPC calls, see the modules and transfer of Python objects through RPC calls, see the modules
\code{pickle} and \code{shelve}. The \code{marshal} module exists \module{pickle} and \module{shelve}. The \module{marshal} module exists
mainly to support reading and writing the ``pseudo-compiled'' code for mainly to support reading and writing the ``pseudo-compiled'' code for
Python modules of \samp{.pyc} files. Python modules of \file{.pyc} files.
\refstmodindex{pickle} \refstmodindex{pickle}
\refstmodindex{shelve} \refstmodindex{shelve}
\obindex{code} \obindex{code}
...@@ -37,16 +37,16 @@ supported; and recursive lists and dictionaries should not be written ...@@ -37,16 +37,16 @@ supported; and recursive lists and dictionaries should not be written
\strong{Caveat:} On machines where C's \code{long int} type has more than \strong{Caveat:} On machines where C's \code{long int} type has more than
32 bits (such as the DEC Alpha), it 32 bits (such as the DEC Alpha), it
is possible to create plain Python integers that are longer than 32 is possible to create plain Python integers that are longer than 32
bits. Since the current \code{marshal} module uses 32 bits to bits. Since the current \module{marshal} module uses 32 bits to
transfer plain Python integers, such values are silently truncated. transfer plain Python integers, such values are silently truncated.
This particularly affects the use of very long integer literals in This particularly affects the use of very long integer literals in
Python modules --- these will be accepted by the parser on such Python modules --- these will be accepted by the parser on such
machines, but will be silently be truncated when the module is read machines, but will be silently be truncated when the module is read
from the \code{.pyc} instead.% from the \file{.pyc} instead.%
\footnote{A solution would be to refuse such literals in the parser, \footnote{A solution would be to refuse such literals in the parser,
since they are inherently non-portable. Another solution would be to since they are inherently non-portable. Another solution would be to
let the \code{marshal} module raise an exception when an integer value let the \module{marshal} module raise an exception when an integer
would be truncated. At least one of these solutions will be value would be truncated. At least one of these solutions will be
implemented in a future version.} implemented in a future version.}
There are functions that read/write files as well as functions There are functions that read/write files as well as functions
...@@ -59,34 +59,34 @@ The module defines these functions: ...@@ -59,34 +59,34 @@ The module defines these functions:
\begin{funcdesc}{dump}{value\, file} \begin{funcdesc}{dump}{value\, file}
Write the value on the open file. The value must be a supported Write the value on the open file. The value must be a supported
type. The file must be an open file object such as type. The file must be an open file object such as
\code{sys.stdout} or returned by \code{open()} or \code{sys.stdout} or returned by \function{open()} or
\code{posix.popen()}. \function{posix.popen()}.
If the value has (or contains an object that has) an unsupported type, If the value has (or contains an object that has) an unsupported type,
a \code{ValueError} exception is raised -- but garbage data will also a \exception{ValueError} exception is raised -- but garbage data
be written to the file. The object will not be properly read back by will also be written to the file. The object will not be properly
\code{load()}. read back by \function{load()}.
\end{funcdesc} \end{funcdesc}
\begin{funcdesc}{load}{file} \begin{funcdesc}{load}{file}
Read one value from the open file and return it. If no valid value Read one value from the open file and return it. If no valid value
is read, raise \code{EOFError}, \code{ValueError} or is read, raise \exception{EOFError}, \exception{ValueError} or
\code{TypeError}. The file must be an open file object. \exception{TypeError}. The file must be an open file object.
Warning: If an object containing an unsupported type was marshalled Warning: If an object containing an unsupported type was marshalled
with \code{dump()}, \code{load()} will substitute \code{None} for the with \function{dump()}, \function{load()} will substitute
unmarshallable type. \code{None} for the unmarshallable type.
\end{funcdesc} \end{funcdesc}
\begin{funcdesc}{dumps}{value} \begin{funcdesc}{dumps}{value}
Return the string that would be written to a file by Return the string that would be written to a file by
\code{dump(value, file)}. The value must be a supported type. \code{dump(\var{value}, \var{file})}. The value must be a supported
Raise a \code{ValueError} exception if value has (or contains an type. Raise a \exception{ValueError} exception if value has (or
object that has) an unsupported type. contains an object that has) an unsupported type.
\end{funcdesc} \end{funcdesc}
\begin{funcdesc}{loads}{string} \begin{funcdesc}{loads}{string}
Convert the string to a value. If no valid value is found, raise Convert the string to a value. If no valid value is found, raise
\code{EOFError}, \code{ValueError} or \code{TypeError}. Extra \exception{EOFError}, \exception{ValueError} or
characters in the string are ignored. \exception{TypeError}. Extra characters in the string are ignored.
\end{funcdesc} \end{funcdesc}
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