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  #1  
Old March 31st, 2004, 02:35 PM
7imz 7imz is offline
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adding info to xml files

###########################

import xml.dom.minidom
from xml.dom.minidom import getDOMImplementation

output = open("book1.xml", "w")

impl = getDOMImplementation()
newdoc = impl.createDocument(None, "library", None)

book = newdoc.createElement("book")
newdoc.documentElement.appendChild(book)

chapter = newdoc.createElement("chapter")
book.appendChild(chapter)

page = newdoc.createElement("page")
pageContent = newdoc.createTextNode("somerandomtext")
page.appendChild(pageContent)
chapter.appendChild(page)

output.writelines(newdoc.toprettyxml())


#########################

after i create the xml file... how can i retrieve it and add some info to it... for example how can i add another page to chapter... or another chapter to book...any help would be greatly appreciated...

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Old April 1st, 2004, 04:49 AM
ilves ilves is offline
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I think this code will add a chapter to your book.
Code:
import xml.dom.minidom

doc = xml.dom.minidom.parse("book1.xml")
book = doc.getElementsByTagName("book")[0]
newChapter = doc.createElement("chapter")
book.appendChild(newChapter)

newDoc = doc.toprettyxml()
fh = open("book1.xml", "w")
fh.write(newDoc)
fh.close()


There is also an insertBefore function you can use to insert the chapter before an existing chapter.
Code:
chapters = doc.getElementsByTagName("chapter")
newChapter = doc.createElement("chapter")
book.insertBefore(newChapter, chapters[3])

This will insert the new chapter before the 4th chapter.

There is one thing I don't like about the toprettyxml function. If you open a "pretty" xml document and prints it back to the file with toprettyxml, it adds the prettyfying whitespace one more time so you get twice as much whitespace as you want.
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