Add support for .tiff files

src/jpg.py → src/images_pixbuf.py

 import subprocess
 import json
+import os
 
 import gi
 gi.require_version('GdkPixbuf', '2.0')
@@ -7,16 +8,7 @@ from gi.repository import GdkPixbuf
 
 from . import abstract
 
-class JPGParser(abstract.AbstractParser):
-    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 GdkPixbufAbstractParser(abstract.AbstractParser):
     def get_meta(self):
         out = subprocess.check_output(['exiftool', '-json', self.filename])
         meta = json.loads(out.decode('utf-8'))[0]
@@ -25,6 +17,33 @@ class JPGParser(abstract.AbstractParser):
         return meta
 
     def remove_all(self):
+        _, extension = os.path.splitext(self.filename)
         pixbuf = GdkPixbuf.Pixbuf.new_from_file(self.filename)
-        pixbuf.savev(self.output_filename, "jpeg", ["quality"], ["100"])
+        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'}
+

tests/test_libmat2.py

@@ -6,7 +6,7 @@ import os
 import zipfile
 import tempfile
 
-from src import pdf, png, jpg, audio, office, libreoffice, parser_factory
+from src import pdf, png, images_pixbuf, audio, office, libreoffice, parser_factory
 
 class TestGetMeta(unittest.TestCase):
     def test_pdf(self):
@@ -22,10 +22,17 @@ class TestGetMeta(unittest.TestCase):
         self.assertEqual(meta['ModifyDate'], "2018:03:20 21:59:25")
 
     def test_jpg(self):
-        p = jpg.JPGParser('./tests/data/dirty.jpg')
+        p = images_pixbuf.JPGParser('./tests/data/dirty.jpg')
         meta = p.get_meta()
         self.assertEqual(meta['Comment'], 'Created with GIMP')
 
+    def test_tiff(self):
+        p = images_pixbuf.JPGParser('./tests/data/dirty.tiff')
+        meta = p.get_meta()
+        self.assertEqual(meta['Make'], 'OLYMPUS IMAGING CORP.')
+        self.assertEqual(meta['Model'], 'C7070WZ')
+        self.assertEqual(meta['ModifyDate'], '2005:12:26 17:09:35')
+
     def test_mp3(self):
         p = audio.MP3Parser('./tests/data/dirty.mp3')
         meta = p.get_meta()
@@ -152,7 +159,7 @@ class TestCleaning(unittest.TestCase):
 
     def test_jpg(self):
         shutil.copy('./tests/data/dirty.jpg', './tests/data/clean.jpg')
-        p = jpg.JPGParser('./tests/data/clean.jpg')
+        p = images_pixbuf.JPGParser('./tests/data/clean.jpg')
 
         meta = p.get_meta()
         self.assertEqual(meta['Comment'], 'Created with GIMP')
@@ -160,7 +167,7 @@ class TestCleaning(unittest.TestCase):
         ret = p.remove_all()
         self.assertTrue(ret)
 
-        p = jpg.JPGParser('./tests/data/clean.jpg.cleaned')
+        p = images_pixbuf.JPGParser('./tests/data/clean.jpg.cleaned')
         self.assertEqual(p.get_meta(), {})
 
         os.remove('./tests/data/clean.jpg')
@@ -240,3 +247,18 @@ class TestCleaning(unittest.TestCase):
         self.assertEqual(p.get_meta(), {})
 
         os.remove('./tests/data/clean.odt')
+
+    def test_tiff(self):
+        shutil.copy('./tests/data/dirty.tiff', './tests/data/clean.tiff')
+        p = images_pixbuf.TiffParser('./tests/data/clean.tiff')
+
+        meta = p.get_meta()
+        self.assertEqual(meta['Model'], 'C7070WZ')
+
+        ret = p.remove_all()
+        self.assertTrue(ret)
+
+        p = images_pixbuf.TiffParser('./tests/data/clean.tiff.cleaned')
+        self.assertEqual(p.get_meta(), {})
+
+        os.remove('./tests/data/clean.tiff')