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* Correct Sniffer doc to correspond to the implementation.

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* Add optional delimiters arg to Sniffer.sniff() which restricts the set of
  candidate field delimiters.
This commit is contained in:
Skip Montanaro 2003-05-19 15:33:36 +00:00
parent c626658a28
commit 7789237331
3 changed files with 31 additions and 14 deletions
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14
Doc/lib/libcsv.tex
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@ -152,17 +152,17 @@ attributes, which are used to define the parameters for a specific
\class{reader} or \class{writer} instance.
\end{classdesc*}
\begin{classdesc}{Sniffer}{\optional{sample=16384}}
The \class{Sniffer} class is used to deduce the format of a CSV file. The
optional \var{sample} argument to the constructor specifies the number of
bytes to use when determining Dialect parameters.
\begin{classdesc}{Sniffer}{}
The \class{Sniffer} class is used to deduce the format of a CSV file.
\end{classdesc}
The \class{Sniffer} class provides a single method:
\begin{methoddesc}{sniff}{fileobj}
Analyze the next chunk of \var{fileobj} and return a \class{Dialect} subclass
reflecting the parameters found.
\begin{methoddesc}{sniff}{sample\optional{,delimiters=None}}
Analyze the given \var{sample} and return a \class{Dialect} subclass
reflecting the parameters found. If the optional \var{delimiters} parameter
is given, it is interpreted as a string containing possible valid delimiter
characters.
\end{methoddesc}
\begin{methoddesc}{has_header}{sample}