From 5e4e39f12a9ec71650e9d8296b1fb69831c808de Mon Sep 17 00:00:00 2001 From: Skip Montanaro Date: Wed, 2 Jul 2003 15:32:48 +0000 Subject: Note that csv files (when they are actual files) must be opened in 'b'inary mode. Note that the only restriction on the csvfile passed to writer objects is that it have a write method. --- Doc/lib/libcsv.tex | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/Doc/lib/libcsv.tex b/Doc/lib/libcsv.tex index ca27441..f585013 100644 --- a/Doc/lib/libcsv.tex +++ b/Doc/lib/libcsv.tex @@ -54,7 +54,9 @@ The \module{csv} module defines the following functions: Return a reader object which will iterate over lines in the given {}\var{csvfile}. \var{csvfile} can be any object which supports the iterator protocol and returns a string each time its \method{next} -method is called. An optional \var{dialect} parameter can be given +method is called. If \var{csvfile} is a file object, it must be opened with +the 'b' flag on platforms where that makes a difference. An optional +{}\var{dialect} parameter can be given which is used to define a set of parameters specific to a particular CSV dialect. It may be an instance of a subclass of the \class{Dialect} class or one of the strings returned by the \function{list_dialects} @@ -71,7 +73,10 @@ conversion is performed. \begin{funcdesc}{writer}{csvfile\optional{, dialect=\code{'excel'}\optional{, fmtparam}}} Return a writer object responsible for converting the user's data into -delimited strings on the given file-like object. An optional +delimited strings on the given file-like object. \var{csvfile} can be any +object with a \function{write} method. If \var{csvfile} is a file object, +it must be opened with the 'b' flag on platforms where that makes a +difference. An optional {}\var{dialect} parameter can be given which is used to define a set of parameters specific to a particular CSV dialect. It may be an instance of a subclass of the \class{Dialect} class or one of the strings @@ -125,7 +130,7 @@ read has more fields than the fieldnames sequence, the remaining data is added as a sequence keyed by the value of \var{restkey}. If the row read has fewer fields than the fieldnames sequence, the remaining keys take the value of the optiona \var{restval} parameter. All other parameters are -interpreted as for regular readers. +interpreted as for \class{reader} objects. \end{classdesc} @@ -143,7 +148,7 @@ method contains a key not found in \var{fieldnames}, the optional \var{extrasaction} parameter indicates what action to take. If it is set to \code{'raise'} a \exception{ValueError} is raised. If it is set to \code{'ignore'}, extra values in the dictionary are ignored. All other -parameters are interpreted as for regular writers. +parameters are interpreted as for \class{writer} objects. \end{classdesc} \begin{classdesc*}{Dialect}{} -- cgit v0.12