Add support for jpeg
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src/parsers/jpg.py
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30
src/parsers/jpg.py
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@ -0,0 +1,30 @@
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import subprocess
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import json
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import gi
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gi.require_version('GdkPixbuf', '2.0')
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from gi.repository import GdkPixbuf
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from . import abstract
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class JPGParser(abstract.AbstractParser):
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mimetypes = {'image/jpg', }
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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',
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'ImageSize', 'BitsPerSample', 'ColorComponents', 'EncodingProcess',
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'JFIFVersion', 'ResolutionUnit', 'XResolution', 'YCbCrSubSampling',
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'YResolution', '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)[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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pixbuf = GdkPixbuf.Pixbuf.new_from_file(self.filename)
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pixbuf.savev(self.output_filename, "jpeg", ["quality"], ["100"])
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return True
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BIN
tests/data/dirty.jpg
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BIN
tests/data/dirty.jpg
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Binary file not shown.
After Width: | Height: | Size: 136 KiB |
@ -5,7 +5,7 @@ import shutil
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import os
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from src import parsers
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from src.parsers import pdf, png
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from src.parsers import pdf, png, jpg
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class TestGetMeta(unittest.TestCase):
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def test_pdf(self):
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@ -20,6 +20,11 @@ class TestGetMeta(unittest.TestCase):
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self.assertEqual(meta['Comment'], 'This is a comment, be careful!')
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self.assertEqual(meta['ModifyDate'], "2018:03:20 21:59:25")
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def test_jpg(self):
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p = jpg.JPGParser('./tests/data/dirty.jpg')
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meta = p.get_meta()
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self.assertEqual(meta['Comment'], 'Created with GIMP')
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class TestCleaning(unittest.TestCase):
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def test_pdf(self):
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shutil.copy('./tests/data/dirty.pdf', './tests/data/clean.pdf')
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@ -51,3 +56,19 @@ class TestCleaning(unittest.TestCase):
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self.assertEqual(p.get_meta(), {})
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os.remove('./tests/data/clean.png')
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def test_jpg(self):
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shutil.copy('./tests/data/dirty.jpg', './tests/data/clean.jpg')
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p = jpg.JPGParser('./tests/data/clean.jpg')
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meta = p.get_meta()
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self.assertEqual(meta['Comment'], 'Created with GIMP')
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ret = p.remove_all()
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self.assertTrue(ret)
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p = jpg.JPGParser('./tests/data/clean.jpg.cleaned')
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self.assertEqual(p.get_meta(), {})
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os.remove('./tests/data/clean.jpg')
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