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Add a tweak in Preferences->Tweaks to exclude some fields when using the Edit metadata->Copy metadata/paste actions

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Kovid Goyal 2017-12-18 08:00:18 +05:30
parent 8f0d9cc028
commit 6cd33e110e
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3 changed files with 18 additions and 1 deletions
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7
resources/default_tweaks.py
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@ -560,3 +560,10 @@ cover_drop_exclude = ()
# new Saved search is shown in the Search bar. If you would like to have the # new Saved search is shown in the Search bar. If you would like to have the
# old Saved searches box with its two buttons back, set this tweak to True. # old Saved searches box with its two buttons back, set this tweak to True.
show_saved_search_box = False show_saved_search_box = False
#: Exclude fields when copy/pasting metadata
# You can ask calibre to not paste some metadata fields when using the
# Edit metadata->Copy metadata/Paste metadata actions. For example,
# exclude_fields_on_paste = ['cover', 'timestamp', '#mycolumn']
# to prevent pasting of the cover, Date and custom column, mycolumn.
exclude_fields_on_paste = []

4
src/calibre/ebooks/metadata/book/base.py
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@ -117,6 +117,10 @@ class Metadata(object):
except: except:
return True return True
def set_null(self, field):
null_val = copy.copy(NULL_VALUES.get(field))
setattr(self, field, null_val)
def __getattribute__(self, field): def __getattribute__(self, field):
_data = object.__getattribute__(self, '_data') _data = object.__getattribute__(self, '_data')
if field in SIMPLE_GET: if field in SIMPLE_GET:

8
src/calibre/gui2/actions/edit_metadata.py
View File

@ -19,6 +19,7 @@ from calibre.gui2.actions import InterfaceAction
from calibre.ebooks.metadata import authors_to_string from calibre.ebooks.metadata import authors_to_string
from calibre.ebooks.metadata.book.base import Metadata from calibre.ebooks.metadata.book.base import Metadata
from calibre.ebooks.metadata.opf2 import OPF, metadata_to_opf from calibre.ebooks.metadata.opf2 import OPF, metadata_to_opf
from calibre.utils.config import tweaks
from calibre.utils.date import is_date_undefined from calibre.utils.date import is_date_undefined
from calibre.utils.icu import sort_key from calibre.utils.icu import sort_key
from calibre.db.errors import NoSuchFormat from calibre.db.errors import NoSuchFormat
@ -141,7 +142,12 @@ class EditMetadataAction(InterfaceAction):
data = bytes(md.data('application/calibre-book-metadata')) data = bytes(md.data('application/calibre-book-metadata'))
mi = OPF(BytesIO(data), populate_spine=False, read_toc=False, try_to_guess_cover=False).to_book_metadata() mi = OPF(BytesIO(data), populate_spine=False, read_toc=False, try_to_guess_cover=False).to_book_metadata()
mi.application_id = mi.uuid_id = None mi.application_id = mi.uuid_id = None
cover = md.imageData() exclude = set(tweaks['exclude_fields_on_paste'])
paste_cover = 'cover' not in exclude
cover = md.imageData() if paste_cover else None
exclude.discard('cover')
for field in exclude:
mi.set_null(field)
db = self.gui.current_db db = self.gui.current_db
book_ids = {db.id(r.row()) for r in rows} book_ids = {db.id(r.row()) for r in rows}
for book_id in book_ids: for book_id in book_ids: