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import os
import xml.etree.ElementTree as etree
class EpubInfo():
#TODO: Cover the entire DC range
def __init__(self, opffile):
self._tree = etree.parse(opffile)
self._root = self._tree.getroot()
self._e_metadata = self._root.find(
'{http://www.idpf.org/2007/opf}metadata')
self.title = self._get_title()
self.creator = self._get_creator()
self.date = self._get_date()
self.subject = self._get_subject()
self.source = self._get_source()
self.rights = self._get_rights()
self.identifier = self._get_identifier()
self.language = self._get_language()
def _get_data(self, tagname):
element = self._e_metadata.find(tagname)
return element.text
def _get_title(self):
try:
ret = self._get_data('.//{http://purl.org/dc/elements/1.1/}title')
except AttributeError:
return None
return ret
def _get_creator(self):
try:
ret = self._get_data(
'.//{http://purl.org/dc/elements/1.1/}creator')
except AttributeError:
return None
return ret
def _get_date(self):
#TODO: iter
try:
ret = self._get_data('.//{http://purl.org/dc/elements/1.1/}date')
except AttributeError:
return None
return ret
def _get_source(self):
try:
ret = self._get_data('.//{http://purl.org/dc/elements/1.1/}source')
except AttributeError:
return None
return ret
def _get_rights(self):
try:
ret = self._get_data('.//{http://purl.org/dc/elements/1.1/}rights')
except AttributeError:
return None
return ret
def _get_identifier(self):
#TODO: iter
element = self._e_metadata.find(
'.//{http://purl.org/dc/elements/1.1/}identifier')
if element is not None:
return {'id': element.get('id'), 'value': element.text}
else:
return None
def _get_language(self):
try:
ret = self._get_data(
'.//{http://purl.org/dc/elements/1.1/}language')
except AttributeError:
return None
return ret
def _get_subject(self):
try:
subjectlist = []
for element in self._e_metadata.iterfind(
'.//{http://purl.org/dc/elements/1.1/}subject'):
subjectlist.append(element.text)
except AttributeError:
return None
return subjectlist
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