adding python-libtiff

paramaterize tests

mfr/extensions/pdf/settings.py

@@ -5,5 +5,7 @@
 
 EXPORT_TYPE = config.get('EXPORT_TYPE', 'pdf')
 EXPORT_MAXIMUM_SIZE = config.get('EXPORT_MAXIMUM_SIZE', '1200x1200')
-EXPORT_EXCLUSIONS = config.get('EXPORT_EXCLUSIONS', ['.pdf', ])
+
+# supports multiple files in the form of a space separated string
+EXPORT_EXCLUSIONS = config.get('EXPORT_EXCLUSIONS', '.pdf').split(' ')
 EXPORT_MAX_PAGES = int(config.get('EXPORT_MAX_PAGES', 40))

requirements.txt

@@ -23,6 +23,8 @@ pydocx==0.7.0
 # Image
 Pillow==2.8.2
 psd-tools==1.4
+# This should enhance Pillows ability to work with tif files, but it may not do anything
+libtiff==0.4.1
 
 # IPython
 ipython==5.2.2

tests/extensions/pdf/test_exporter.py

@@ -32,42 +32,13 @@ class TestPdfExporter:
     `report-lab`. Instead we will manually open them and just check the signature.
     '''
 
-    def test_single_page_tiff(self, directory):
-        source_file_path = os.path.join(BASE, 'files', 'test.tif')
-        output_file_path = os.path.join(directory, 'test.{}'.format(settings.EXPORT_TYPE))
-        format = '{}.{}'.format(settings.EXPORT_MAXIMUM_SIZE, settings.EXPORT_TYPE)
-        exporter = PdfExporter(source_file_path=source_file_path, ext='.tif',
-                               output_file_path=output_file_path, format=format)
-
-        assert not os.path.exists(output_file_path)
-
-        exporter.export()
-
-        assert os.path.exists(output_file_path)
-        # Open file to check that the exported PDF contains the proper signature
-        with open(output_file_path, 'rb') as file:
-            # the first 4 bytes contain the signature
-            assert binascii.hexlify(file.read(4)) == PDF_SIG
-
-    def test_multi_page_tiff(self, directory):
-        source_file_path = os.path.join(BASE, 'files', 'test_multipage.tif')
-        output_file_path = os.path.join(directory, 'test.{}'.format(settings.EXPORT_TYPE))
-        format = '{}.{}'.format(settings.EXPORT_MAXIMUM_SIZE, settings.EXPORT_TYPE)
-        exporter = PdfExporter(source_file_path=source_file_path, ext='.tif',
-                               output_file_path=output_file_path, format=format)
-
-        assert not os.path.exists(output_file_path)
-
-        exporter.export()
-
-        assert os.path.exists(output_file_path)
-        # Open file to check that the exported PDF contains the proper signature
-        with open(output_file_path, 'rb') as file:
-            # the first 4 bytes contain the signature
-            assert binascii.hexlify(file.read(4)) == PDF_SIG
-
-    def test_ratio_tiff(self, directory):
-        source_file_path = os.path.join(BASE, 'files', 'test_ratio.tif')
+    @pytest.mark.parametrize("file_name", [
+        ('test.tif'),
+        ('test_multipage.tif'),
+        ('test_ratio.tif'),
+    ])
+    def test_single_page_tiff(self, directory, file_name):
+        source_file_path = os.path.join(BASE, 'files', file_name)
         output_file_path = os.path.join(directory, 'test.{}'.format(settings.EXPORT_TYPE))
         format = '{}.{}'.format(settings.EXPORT_MAXIMUM_SIZE, settings.EXPORT_TYPE)
         exporter = PdfExporter(source_file_path=source_file_path, ext='.tif',