28 lines
965 B
Python
28 lines
965 B
Python
import subprocess
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import json
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import cairo
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from . import abstract
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class PNGParser(abstract.AbstractParser):
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mimetypes = {'image/png', }
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meta_whitelist = {'SourceFile', 'ExifToolVersion', 'FileName',
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'Directory', 'FileSize', 'FileModifyDate', 'FileAccessDate',
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"FileInodeChangeDate", 'FilePermissions', 'FileType',
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'FileTypeExtension', 'MIMEType', 'ImageWidth', 'BitDepth', 'ColorType',
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'Compression', 'Filter', 'Interlace', 'BackgroundColor', 'ImageSize',
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'Megapixels', 'ImageHeight'}
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def get_meta(self):
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out = subprocess.check_output(['exiftool', '-json', self.filename])
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meta = json.loads(out.decode('utf-8'))[0]
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for key in self.meta_whitelist:
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meta.pop(key, None)
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return meta
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def remove_all(self):
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surface = cairo.ImageSurface.create_from_png(self.filename)
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surface.write_to_png(self.output_filename)
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return True
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