#!/usr/bin/env python
# Copyright (C) 2014 J.F.Dockes
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the
# Free Software Foundation, Inc.,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
######################################
from __future__ import print_function
import sys
import rclexecm
import rclxslt
from zipfile import ZipFile
stylesheet_meta = '''<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:meta="urn:oasis:names:tc:opendocument:xmlns:meta:1.0"
xmlns:ooo="http://openoffice.org/2004/office"
exclude-result-prefixes="office xlink meta ooo dc"
>
<xsl:output method="html" encoding="UTF-8"/>
<xsl:template match="/office:document-meta">
<xsl:apply-templates select="office:meta/dc:description"/>
<xsl:apply-templates select="office:meta/dc:subject"/>
<xsl:apply-templates select="office:meta/dc:title"/>
<xsl:apply-templates select="office:meta/meta:keyword"/>
<xsl:apply-templates select="office:meta/dc:creator"/>
</xsl:template>
<xsl:template match="dc:title">
<title> <xsl:value-of select="."/> </title><xsl:text>
</xsl:text>
</xsl:template>
<xsl:template match="dc:description">
<meta>
<xsl:attribute name="name">abstract</xsl:attribute>
<xsl:attribute name="content">
<xsl:value-of select="."/>
</xsl:attribute>
</meta><xsl:text>
</xsl:text>
</xsl:template>
<xsl:template match="dc:subject">
<meta>
<xsl:attribute name="name">keywords</xsl:attribute>
<xsl:attribute name="content">
<xsl:value-of select="."/>
</xsl:attribute>
</meta><xsl:text>
</xsl:text>
</xsl:template>
<xsl:template match="dc:creator">
<meta>
<xsl:attribute name="name">author</xsl:attribute>
<xsl:attribute name="content">
<xsl:value-of select="."/>
</xsl:attribute>
</meta><xsl:text>
</xsl:text>
</xsl:template>
<xsl:template match="meta:keyword">
<meta>
<xsl:attribute name="name">keywords</xsl:attribute>
<xsl:attribute name="content">
<xsl:value-of select="."/>
</xsl:attribute>
</meta><xsl:text>
</xsl:text>
</xsl:template>
</xsl:stylesheet>
'''
stylesheet_content = '''<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0"
exclude-result-prefixes="text"
>
<xsl:output method="html" encoding="UTF-8"/>
<xsl:template match="text:p">
<p><xsl:apply-templates/></p><xsl:text>
</xsl:text>
</xsl:template>
<xsl:template match="text:h">
<p><xsl:apply-templates/></p><xsl:text>
</xsl:text>
</xsl:template>
<xsl:template match="text:s">
<xsl:text> </xsl:text>
</xsl:template>
<xsl:template match="text:line-break">
<br />
</xsl:template>
<xsl:template match="text:tab">
<xsl:text> </xsl:text>
</xsl:template>
</xsl:stylesheet>
'''
class OOExtractor:
def __init__(self, em):
self.em = em
self.currentindex = 0
def extractone(self, params):
if "filename:" not in params:
self.em.rclog("extractone: no mime or file name")
return (False, "", "", rclexecm.RclExecM.eofnow)
fn = params["filename:"]
try:
zip = ZipFile(fn.decode('UTF-8'))
except Exception as err:
self.em.rclog("unzip failed: %s" % err)
return (False, "", "", rclexecm.RclExecM.eofnow)
docdata = b'<html><head><meta http-equiv="Content-Type"' \
b'content="text/html; charset=UTF-8"></head><body>'
try:
metadata = zip.read("meta.xml")
if metadata:
res = rclxslt.apply_sheet_data(stylesheet_meta, metadata)
docdata += res
except:
# To be checked. I'm under the impression that I get this when
# nothing matches?
#self.em.rclog("no/bad metadata in %s" % fn)
pass
try:
content = zip.read("content.xml")
if content:
res = rclxslt.apply_sheet_data(stylesheet_content, content)
docdata += res
docdata += b'</body></html>'
except Exception as err:
self.em.rclog("bad data in %s: %s" % (fn, err))
return (False, "", "", rclexecm.RclExecM.eofnow)
return (True, docdata, "", rclexecm.RclExecM.eofnext)
###### File type handler api, used by rclexecm ---------->
def openfile(self, params):
self.currentindex = 0
return True
def getipath(self, params):
return self.extractone(params)
def getnext(self, params):
if self.currentindex >= 1:
return (False, "", "", rclexecm.RclExecM.eofnow)
else:
ret= self.extractone(params)
self.currentindex += 1
return ret
if __name__ == '__main__':
proto = rclexecm.RclExecM()
extract = OOExtractor(proto)
rclexecm.main(proto, extract)