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Patch #1212287: fileinput.input() now has a mode parameter for

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specifying the file mode input files should be opened with.
This commit is contained in:
Georg Brandl 2006-02-19 14:12:34 +00:00
parent 67e9fb9d7a
commit c029f873cb
4 changed files with 51 additions and 15 deletions
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18
Doc/lib/libfileinput.tex
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@ -26,8 +26,10 @@ empty. If a filename is \code{'-'}, it is also replaced by
it as the first argument to \function{input()}. A single file name is
also allowed.
All files are opened in text mode. If an I/O error occurs during
opening or reading a file, \exception{IOError} is raised.
All files are opened in text mode by default, but you can override this by
specifying the \var{mode} parameter in the call to \function{input()}
or \class{FileInput()}. If an I/O error occurs during opening or reading
a file, \exception{IOError} is raised.
If \code{sys.stdin} is used more than once, the second and further use
will return no lines, except perhaps for interactive use, or if it has
@ -44,12 +46,14 @@ is present.
The following function is the primary interface of this module:
\begin{funcdesc}{input}{\optional{files\optional{,
inplace\optional{, backup}}}}
inplace\optional{, backup\optional{, mode}}}}}
Create an instance of the \class{FileInput} class. The instance
will be used as global state for the functions of this module, and
is also returned to use during iteration. The parameters to this
function will be passed along to the constructor of the
\class{FileInput} class.
\versionchanged[Added the \var{mode} parameter]{2.5}
\end{funcdesc}
@ -111,7 +115,7 @@ The class which implements the sequence behavior provided by the
module is available for subclassing as well:
\begin{classdesc}{FileInput}{\optional{files\optional{,
inplace\optional{, backup}}}}
inplace\optional{, backup\optional{, mode}}}}}
Class \class{FileInput} is the implementation; its methods
\method{filename()}, \method{fileno()}, \method{lineno()},
\method{fileline()}, \method{isfirstline()}, \method{isstdin()},
@ -122,6 +126,12 @@ module is available for subclassing as well:
which implements the sequence behavior. The sequence must be
accessed in strictly sequential order; random access and
\method{readline()} cannot be mixed.
With \var{mode} you can specify which file mode will be passed to
\function{open()}. It must be one of \code{'r'}, \code{'rU'},
\code{'U'} and \code{'rb'}.
\versionchanged[Added the \var{mode} parameter]{2.5}
\end{classdesc}
\strong{Optional in-place filtering:} if the keyword argument