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xml += ' </navMap>\n</ncx>'
return xml
class _Fileinfo:
'Information about a component file of an epub.'
def __init__(self, name, in_spine = True, guide_title = None,
guide_type = None):
'''Initialize the object. If the file does not belong in the
reading order, in_spine should be set to False. If it should
appear in the guide, set guide_title and guide_type.'''
self.name = name
(self.ident, ext) = os.path.splitext(name)
name_split = name.rsplit('.', 1)
self.ident = name_split[0]
self.in_spine = in_spine
self.guide_title = guide_title
self.guide_type = guide_type
# Infer media-type from file extension
ext = ext.lower()
if ext in ('.htm', '.html', '.xhtml'):
self.media_type = 'application/xhtml+xml'
elif ext in ('.png', '.gif', '.jpeg'):
self.media_type = 'image/' + ext
elif ext == '.jpg':
self.media_type = 'image/jpeg'
elif ext == '.css':
self.media_type = 'text/css'
elif ext == '.ncx':
self.media_type = 'application/x-dtbncx+xml'
else:
raise ValueError('Can\'t infer media-type from extension: %s' % ext)
def manifest_entry(self):
'Write the XML element for the manifest.'
return _make_xml_elem('item', '',
[
('href', self.name),
('id', self.ident),
('media-type', self.media_type)
])
def spine_entry(self):
'''Write the XML element for the spine.
(Empty string if in_spine is False.)'''
if self.in_spine:
return _make_xml_elem('itemref', '', [('idref', self.ident)])
else:
return ''
def guide_entry(self):
'''Write the XML element for the guide.
(Empty string if no guide title and type are given.)'''
if self.guide_title and self.guide_type:
return _make_xml_elem('reference', '',
[
('title', self.guide_title),
('type', self.guide_type),
('href', self.name)
])
else:
return ''
class _EpubMeta:
'Metadata entry for an epub file.'
def __init__(self, tag, text, *args):
'''The metadata entry is an XML element. *args is used for
supplying the XML element's attributes as (key, value) pairs.'''
self.tag = tag
self.text = text
self.attr = args
def write_xml(self):
'Write the XML element.'
return _make_xml_elem(self.tag, self.text, self.attr)
def __repr__(self):
'Returns the text.'
return self.text
def __str__(self):
'Returns the text.'
return self.text
class _EpubDate(_EpubMeta):
'Metadata element for the publication date.'
_date_re = re.compile('^([0-9]{4})(-[0-9]{2}(-[0-9]{2})?)?$')
def __init__(self, date):
'''date must be a string of the form ""YYYY[-MM[-DD]]"". If it is
not of this form, or if the date is invalid, ValueError is
raised.'''
m = self._date_re.match(date)
if not m:
raise ValueError('invalid date format')
year = int(m.group(1))
try:
mon = int(m.group(2)[1:])
if mon < 0 or mon > 12:
raise ValueError('month must be in 1..12')
except IndexError:
pass
try:
day = int(m.group(3)[1:])
datetime.date(year, mon, day) # raises ValueError if invalid
except IndexError:
pass
self.tag = 'dc:date'