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import subprocess
import json
import os
import gi
gi.require_version('GdkPixbuf', '2.0')
from gi.repository import GdkPixbuf
from . import abstract
class GdkPixbufAbstractParser(abstract.AbstractParser):
def get_meta(self):
out = subprocess.check_output(['exiftool', '-json', self.filename])
meta = json.loads(out.decode('utf-8'))[0]
for key in self.meta_whitelist:
meta.pop(key, None)
return meta
def remove_all(self):
_, extension = os.path.splitext(self.filename)
pixbuf = GdkPixbuf.Pixbuf.new_from_file(self.filename)
if extension == '.jpg':
extension = '.jpeg'
pixbuf.savev(self.output_filename, extension[1:], ["quality"], ["100"])
return True
class JPGParser(GdkPixbufAbstractParser):
mimetypes = {'image/jpg'}
meta_whitelist = {'SourceFile', 'ExifToolVersion', 'FileName',
'Directory', 'FileSize', 'FileModifyDate', 'FileAccessDate',
"FileInodeChangeDate", 'FilePermissions', 'FileType',
'FileTypeExtension', 'MIMEType', 'ImageWidth',
'ImageSize', 'BitsPerSample', 'ColorComponents', 'EncodingProcess',
'JFIFVersion', 'ResolutionUnit', 'XResolution', 'YCbCrSubSampling',
'YResolution', 'Megapixels', 'ImageHeight'}
class TiffParser(GdkPixbufAbstractParser):
mimetypes = {'image/tiff'}
meta_whitelist = {'Compression', 'ExifByteOrder', 'ExtraSamples',
'FillOrder', 'PhotometricInterpretation', 'PlanarConfiguration',
'RowsPerStrip', 'SamplesPerPixel', 'StripByteCounts',
'StripOffsets', 'BitsPerSample', 'Directory', 'ExifToolVersion',
'FileAccessDate', 'FileInodeChangeDate', 'FileModifyDate',
'FileName', 'FilePermissions', 'FileSize', 'FileType',
'FileTypeExtension', 'ImageHeight', 'ImageSize', 'ImageWidth',
'MIMEType', 'Megapixels', 'SourceFile'}
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