text stringlengths 0 14.1k |
|---|
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' |
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