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Diffstat (limited to 'tablib/packages/odf3/load.py')
| -rw-r--r-- | tablib/packages/odf3/load.py | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/tablib/packages/odf3/load.py b/tablib/packages/odf3/load.py new file mode 100644 index 0000000..cf275c4 --- /dev/null +++ b/tablib/packages/odf3/load.py @@ -0,0 +1,112 @@ +#!/usr/bin/python +# -*- coding: utf-8 -*- +# Copyright (C) 2007-2008 Søren Roug, European Environment Agency +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +# +# Contributor(s): +# + +# This script is to be embedded in opendocument.py later +# The purpose is to read an ODT/ODP/ODS file and create the datastructure +# in memory. The user should then be able to make operations and then save +# the structure again. + +from xml.sax import make_parser,handler +from xml.sax.xmlreader import InputSource +import xml.sax.saxutils +from .element import Element +from .namespaces import OFFICENS +from io import StringIO + +# +# Parse the XML files +# +class LoadParser(handler.ContentHandler): + """ Extract headings from content.xml of an ODT file """ + triggers = ( + (OFFICENS, 'automatic-styles'), (OFFICENS, 'body'), + (OFFICENS, 'font-face-decls'), (OFFICENS, 'master-styles'), + (OFFICENS, 'meta'), (OFFICENS, 'scripts'), + (OFFICENS, 'settings'), (OFFICENS, 'styles') ) + + def __init__(self, document): + self.doc = document + self.data = [] + self.level = 0 + self.parse = False + + def characters(self, data): + if self.parse == False: + return + self.data.append(data) + + def startElementNS(self, tag, qname, attrs): + if tag in self.triggers: + self.parse = True + if self.doc._parsing != "styles.xml" and tag == (OFFICENS, 'font-face-decls'): + self.parse = False + if self.parse == False: + return + + self.level = self.level + 1 + # Add any accumulated text content + content = ''.join(self.data) + if len(content.strip()) > 0: + self.parent.addText(content, check_grammar=False) + self.data = [] + # Create the element + attrdict = {} + for (att,value) in list(attrs.items()): + attrdict[att] = value + try: + e = Element(qname = tag, qattributes=attrdict, check_grammar=False) + self.curr = e + except AttributeError as v: + print("Error: %s" % v) + + if tag == (OFFICENS, 'automatic-styles'): + e = self.doc.automaticstyles + elif tag == (OFFICENS, 'body'): + e = self.doc.body + elif tag == (OFFICENS, 'master-styles'): + e = self.doc.masterstyles + elif tag == (OFFICENS, 'meta'): + e = self.doc.meta + elif tag == (OFFICENS,'scripts'): + e = self.doc.scripts + elif tag == (OFFICENS,'settings'): + e = self.doc.settings + elif tag == (OFFICENS,'styles'): + e = self.doc.styles + elif self.doc._parsing == "styles.xml" and tag == (OFFICENS, 'font-face-decls'): + e = self.doc.fontfacedecls + elif hasattr(self,'parent'): + self.parent.addElement(e, check_grammar=False) + self.parent = e + + + def endElementNS(self, tag, qname): + if self.parse == False: + return + self.level = self.level - 1 + str = ''.join(self.data) + if len(str.strip()) > 0: + self.curr.addText(str, check_grammar=False) + self.data = [] + self.curr = self.curr.parentNode + self.parent = self.curr + if tag in self.triggers: + self.parse = False |