python-gallery/gallery/utils/metadata/__init__.py
2023-04-02 17:10:05 +00:00

99 lines
2.9 KiB
Python

"""
OnlyLegs - Metadata Parser
Parse metadata from images if available
otherwise get some basic information from the file
"""
import os
from PIL import Image
from PIL.ExifTags import TAGS
from .helpers import *
from .mapping import *
class Metadata:
"""
Metadata parser
"""
def __init__(self, file_path):
"""
Initialize the metadata parser
"""
self.file_path = file_path
img_exif = {}
try:
file = Image.open(file_path)
tags = file._getexif()
img_exif = {}
for tag, value in TAGS.items():
if tag in tags:
img_exif[value] = tags[tag]
img_exif['FileName'] = os.path.basename(file_path)
img_exif['FileSize'] = os.path.getsize(file_path)
img_exif['FileFormat'] = img_exif['FileName'].split('.')[-1]
img_exif['FileWidth'], img_exif['FileHeight'] = file.size
file.close()
except TypeError:
img_exif['FileName'] = os.path.basename(file_path)
img_exif['FileSize'] = os.path.getsize(file_path)
img_exif['FileFormat'] = img_exif['FileName'].split('.')[-1]
img_exif['FileWidth'], img_exif['FileHeight'] = file.size
self.encoded = img_exif
def yoink(self):
"""
Yoinks the metadata from the image
"""
if not os.path.isfile(self.file_path):
return None
return self.format_data(self.encoded)
@staticmethod
def format_data(encoded_exif):
"""
Formats the data into a dictionary
"""
exif = {
'Photographer': {},
'Camera': {},
'Software': {},
'File': {},
}
# Thanks chatGPT xP
for key, value in encoded_exif.items():
for mapping_name, mapping_val in EXIF_MAPPING:
if key in mapping_val:
if len(mapping_val[key]) == 2:
# the helper function works, so not sure why it triggers pylint
exif[mapping_name][mapping_val[key][0]] = {
'raw': value,
'formatted': (
getattr(helpers, mapping_val[key][1]) # pylint: disable=E0602
(value)
),
}
else:
exif[mapping_name][mapping_val[key][0]] = {
'raw': value,
}
continue
# Remove empty keys
if not exif['Photographer']:
del exif['Photographer']
if not exif['Camera']:
del exif['Camera']
if not exif['Software']:
del exif['Software']
if not exif['File']:
del exif['File']
return exif