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mirror of https://github.com/arsenetar/dupeguru.git synced 2024-11-08 17:19:03 +00:00
dupeguru/core/pe/photo.py
Andrew Senetar a81069be61
fix: Photo matching fixes
- Correct bad query introduced in rotation matching
- Promote get_orientation from "private" on photo class
- Fix prepare_pictures to only generate the needed blocks, add check for missing blocks when rotation matchin is true
- Fix cache test inputs to match schema
2024-05-11 00:11:27 -07:00

108 lines
4.0 KiB
Python

# Copyright 2016 Hardcoded Software (http://www.hardcoded.net)
#
# This software is licensed under the "GPLv3" License as described in the "LICENSE" file,
# which should be included with this package. The terms are also available at
# http://www.gnu.org/licenses/gpl-3.0.html
import logging
from hscommon.util import get_file_ext, format_size
from core.util import format_timestamp, format_perc, format_dupe_count
from core import fs
from core.pe import exif
# This global value is set by the platform-specific subclasser of the Photo base class
PLAT_SPECIFIC_PHOTO_CLASS = None
def format_dimensions(dimensions):
return "%d x %d" % (dimensions[0], dimensions[1])
def get_delta_dimensions(value, ref_value):
return (value[0] - ref_value[0], value[1] - ref_value[1])
class Photo(fs.File):
INITIAL_INFO = fs.File.INITIAL_INFO.copy()
INITIAL_INFO.update({"dimensions": (0, 0), "exif_timestamp": ""})
__slots__ = fs.File.__slots__ + tuple(INITIAL_INFO.keys())
# These extensions are supported on all platforms
HANDLED_EXTS = {"png", "jpg", "jpeg", "gif", "bmp", "tiff", "tif", "webp"}
def _plat_get_dimensions(self):
raise NotImplementedError()
def _plat_get_blocks(self, block_count_per_side, orientation):
raise NotImplementedError()
def get_orientation(self):
if not hasattr(self, "_cached_orientation"):
try:
with self.path.open("rb") as fp:
exifdata = exif.get_fields(fp)
# the value is a list (probably one-sized) of ints
orientations = exifdata["Orientation"]
self._cached_orientation = orientations[0]
except Exception: # Couldn't read EXIF data, no transforms
self._cached_orientation = 0
return self._cached_orientation
def _get_exif_timestamp(self):
try:
with self.path.open("rb") as fp:
exifdata = exif.get_fields(fp)
return exifdata["DateTimeOriginal"]
except Exception:
logging.info("Couldn't read EXIF of picture: %s", self.path)
return ""
@classmethod
def can_handle(cls, path):
return fs.File.can_handle(path) and get_file_ext(path.name) in cls.HANDLED_EXTS
def get_display_info(self, group, delta):
size = self.size
mtime = self.mtime
dimensions = self.dimensions
m = group.get_match_of(self)
if m:
percentage = m.percentage
dupe_count = 0
if delta:
r = group.ref
size -= r.size
mtime -= r.mtime
dimensions = get_delta_dimensions(dimensions, r.dimensions)
else:
percentage = group.percentage
dupe_count = len(group.dupes)
dupe_folder_path = getattr(self, "display_folder_path", self.folder_path)
return {
"name": self.name,
"folder_path": str(dupe_folder_path),
"size": format_size(size, 0, 1, False),
"extension": self.extension,
"dimensions": format_dimensions(dimensions),
"exif_timestamp": self.exif_timestamp,
"mtime": format_timestamp(mtime, delta and m),
"percentage": format_perc(percentage),
"dupe_count": format_dupe_count(dupe_count),
}
def _read_info(self, field):
fs.File._read_info(self, field)
if field == "dimensions":
self.dimensions = self._plat_get_dimensions()
if self.get_orientation() in {5, 6, 7, 8}:
self.dimensions = (self.dimensions[1], self.dimensions[0])
elif field == "exif_timestamp":
self.exif_timestamp = self._get_exif_timestamp()
def get_blocks(self, block_count_per_side, orientation: int = None):
if orientation is None:
return self._plat_get_blocks(block_count_per_side, self.get_orientation())
else:
return self._plat_get_blocks(block_count_per_side, orientation)