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Book polishing: Apply null comments

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Book polishing: Do not leave behind the old comments when updating
metadata if the comments have been deleted in calibre.
This commit is contained in:
Kovid Goyal 2013-09-11 21:49:30 +05:30
parent 0394f6d01f
commit d32a1c7bb7
1 changed files with 6 additions and 2 deletions
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8
src/calibre/ebooks/metadata/epub.py
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@ -30,7 +30,8 @@ class ContainerException(OCFException):
class Container(dict):
def __init__(self, stream=None):
if not stream: return
if not stream:
return
soup = BeautifulStoneSoup(stream.read())
container = soup.find(name=re.compile(r'container$', re.I))
if not container:
@ -256,7 +257,8 @@ def update_metadata(opf, mi, apply_null=False, update_timestamp=False):
langs = []
for lc in mi.languages:
lc2 = lang_as_iso639_1(lc)
if lc2: lc = lc2
if lc2:
lc = lc2
langs.append(lc)
mi.languages = langs
@ -270,6 +272,8 @@ def update_metadata(opf, mi, apply_null=False, update_timestamp=False):
opf.tags = []
if not getattr(mi, 'isbn', None):
opf.isbn = None
if not getattr(mi, 'comments', None):
opf.comments = None
if update_timestamp and mi.timestamp is not None:
opf.timestamp = mi.timestamp