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When updating EPUB 2 to EPUB 3 ensure only a single dc:date element is present in the OPF

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Kovid Goyal 2018-04-21 18:03:00 +05:30
parent 00de2544a2
commit d0ea6b31c4
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1 changed files with 4 additions and 1 deletions
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src/calibre/ebooks/metadata/opf_2_to_3.py
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@ -105,7 +105,10 @@ def upgrade_date(root, data):
found = False
for date in XPath('./opf:metadata/dc:date')(root):
val = date.text
if val:
if not val:
remove_element(date, data.refines)
continue
if not found:
found = True
continue
if not val or found: # only one dc:date allowed