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Add argument check_existing so user can choose to allow duplicates.

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voussoir 2025-11-14 00:44:08 -08:00
parent 6401eaeb14
commit c319c6fd58
1 changed files with 31 additions and 1 deletions
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30
etiquette/photodb.py
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@ -725,6 +725,7 @@ class PDBUtilMixin:
self,
directory,
*,
check_existing=True,
exclude_directories=None,
exclude_filenames=None,
glob_directories=None,
@ -745,6 +746,21 @@ class PDBUtilMixin:
If a Photo object already exists for a file, it will be added to the
correct album.
check_existing:
If True, we will check each file to see if it is already in the
database. We will also use the file hash to see if each file is a
move/rename of a file in the database. This is helpful when we are
re-digesting a folder we've already digested before, looking for new
files and skipping the existing ones, and updating the database to
match out of band moves/renames.
If False, we will not check for existing records, and treat every
file as brand new. This saves some processing time during the
digest, but could lead to duplicate Photo records if you are not
careful. This can be helpful when processing a user's upload job
because it is guaranteed we've never processed that folder before,
and because we'd want to consider incoming uploads new and unique
even if they are a hash match for an existing file.
exclude_directories:
A list of basenames or absolute paths of directories to ignore.
This list works in addition to, not instead of, the
@ -881,6 +897,17 @@ class PDBUtilMixin:
# hash work by passing this as the known_hash to new_photo.
return {'sha256': sha256}
def create_photo(filepath):
'''
Create a Photo from this filepath without attempting to check for
existing copies or hash matches.
'''
photo = self.new_photo(filepath, **new_photo_kwargs)
if new_photo_ratelimit is not None:
new_photo_ratelimit.limit()
return (photo, True)
def create_or_fetch_photo(filepath):
'''
Given a filepath, find the corresponding Photo object if it exists,
@ -961,7 +988,10 @@ class PDBUtilMixin:
if natural_sort:
files = sorted(files, key=lambda f: stringtools.natural_sorter(f.basename))
if check_existing:
photos = [create_or_fetch_photo(file) for file in files]
else:
photos = [create_photo(file) for file in files]
# Note, this means that empty folders will not get an Album.
# At this time this behavior is intentional. Furthermore, due to