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Add support for Calibre series metadata #8

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Add support for Calibre series metadata #8

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9855f1a
Add support for Calibre series metadata
davidgfnet Jan 19, 2020
05e75de
Return more than one result, if present
davidgfnet Aug 25, 2020
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33 changes: 31 additions & 2 deletions epub_meta/collector.py
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Original file line number Diff line number Diff line change
Expand Up @@ -33,11 +33,20 @@ def iterate_all_tags(root):
yield subnode


def find_tag(xmldoc, tag_name, attr, value):
def find_tags(xmldoc, tag_name, attr, value):
# print('Finding tag: <{} {}="{}">'.format(tag_name, attr, value))
result = []
for tag in xmldoc.getElementsByTagName(tag_name):
if attr in tag.attributes.keys() and tag.attributes[attr].value == value:
return tag
result.append(tag)
return result


def find_tag(xmldoc, tag_name, attr, value):
tags = find_tags(xmldoc, tag_name, attr, value)
if tags:
return tags[0]
return None


def find_img_tag(xmldoc, tag_name, attr, value):
Expand Down Expand Up @@ -180,6 +189,24 @@ def _discover_subject(opf_xmldoc):
return __discover_dc(opf_xmldoc, 'subject', first_only=False)


def _discover_calibre_series_index(opf_xmldoc):
tags = find_tags(opf_xmldoc, 'meta', 'name', 'calibre:series_index')
results = []
for tag in tags:
if tag and 'content' in tag.attributes.keys():
results.append(tag.attributes['content'].value)
return results


def _discover_calibre_series(opf_xmldoc):
tags = find_tags(opf_xmldoc, 'meta', 'name', 'calibre:series')
results = []
for tag in tags:
if tag and 'content' in tag.attributes.keys():
results.append(tag.attributes['content'].value)
return results


def _discover_cover_image(zf, opf_xmldoc, opf_filepath):
'''
Find the cover image path in the OPF file.
Expand Down Expand Up @@ -382,6 +409,8 @@ def get_epub_metadata(filepath, read_cover_image=True, read_toc=True):
'identifiers': _discover_identifiers(opf_xmldoc),
'subject': _discover_subject(opf_xmldoc),
'file_size_in_bytes': file_size_in_bytes,
'calibre_series': _discover_calibre_series(opf_xmldoc),
'calibre_series_index': _discover_calibre_series_index(opf_xmldoc),
})

if read_cover_image:
Expand Down