diff options
| -rw-r--r-- | Doc/whatsnew/whatsnew25.tex | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/Doc/whatsnew/whatsnew25.tex b/Doc/whatsnew/whatsnew25.tex index fb4e717ba7..91385dccda 100644 --- a/Doc/whatsnew/whatsnew25.tex +++ b/Doc/whatsnew/whatsnew25.tex @@ -5,6 +5,9 @@ % Fix XXX comments % Distutils upload (PEP 243) % The easy_install stuff +% Access to ASTs with compile() flag +% Stateful codec changes +% ASCII is now default encoding for modules \title{What's New in Python 2.5} \release{0.1} @@ -1132,10 +1135,34 @@ svg.append(elem1) \end{verbatim} Each XML element supports some dictionary-like and some list-like -access methods. Dictionary-like methods are used to access attribute -values, and list-like methods are used to access child nodes. +access methods. Dictionary-like operations are used to access attribute +values, and list-like operations are used to access child nodes. + +\begin{tableii}{c|l}{code}{Operation}{Result} + \lineii{elem[n]}{Returns n'th child element.} + \lineii{elem[m:n]}{Returns list of m'th through n'th child elements.} + \lineii{len(elem)}{Returns number of child elements.} + \lineii{elem.getchildren()}{Returns list of child elements.} + \lineii{elem.append(elem2)}{Adds \var{elem2} as a child.} + \lineii{elem.insert(index, elem2)}{Inserts \var{elem2} at the specified location.} + \lineii{del elem[n]}{Deletes n'th child element.} + \lineii{elem.keys()}{Returns list of attribute names.} + \lineii{elem.get(name)}{Returns value of attribute \var{name}.} + \lineii{elem.set(name, value)}{Sets new value for attribute \var{name}.} + \lineii{elem.attrib}{Retrieves the dictionary containing attributes.} + \lineii{del elem.attrib[name]}{Deletes attribute \var{name}.} +\end{tableii} + +Comments and processing instructions are also represented as +\class{Element} nodes. To check if a node is a comment or processing +instructions: -% XXX finish this +\begin{verbatim} +if elem.tag is ET.Comment: + ... +elif elem.tag is ET.ProcessingInstruction: + ... +\end{verbatim} To generate XML output, you should call the \method{ElementTree.write()} method. Like \function{parse()}, @@ -1156,8 +1183,8 @@ any characters with values greater than 127. You should always specify a different encoding such as UTF-8 that can handle any Unicode character.) - -% XXX write introduction +This section is only a partial description of the ElementTree interfaces. +Please read the package's official documentation for more details. \begin{seealso} |