Drop support for Python 2.6

* Drop unittest2 requirement
* Use set literals
* Use dict/set comprehension
* Use str.format() automatic numbering

.travis.yml

@@ -11,7 +11,6 @@ python:
   - "pypy3"
   - 3.5
   - 2.7
-  - 2.6
   - "2.7_with_system_site_packages" # For PyQt4
   - 3.2
   - 3.3
@@ -24,10 +23,8 @@ install:
   - "travis_retry pip install cffi"
   - "travis_retry pip install nose"
   - "travis_retry pip install check-manifest"
-    # Pyroma tests sometimes hang on PyPy and Python 2.6; skip for those
+    # Pyroma tests sometimes hang on PyPy; skip
-  - if [ $TRAVIS_PYTHON_VERSION != "pypy" && $TRAVIS_PYTHON_VERSION != "2.6" ]; then travis_retry pip install pyroma; fi
+  - if [ $TRAVIS_PYTHON_VERSION != "pypy" ]; then travis_retry pip install pyroma; fi
-
-  - if [ "$TRAVIS_PYTHON_VERSION" == "2.6" ]; then travis_retry pip install unittest2; fi
 
   # Coverage 4.0 doesn't support Python 3.2
   - if [ "$TRAVIS_PYTHON_VERSION" == "3.2" ]; then travis_retry pip install coverage==3.7.1; fi

PIL/BmpImagePlugin.py

@@ -73,7 +73,7 @@ class BmpImageFile(ImageFile.ImageFile):
         read, seek = self.fp.read, self.fp.seek
         if header:
             seek(header)
-        file_info = dict()
+        file_info = {}
         file_info['header_size'] = i32(read(4))  # read bmp header size @offset 14 (this is part of the header size)
         file_info['direction'] = -1
         # --------------------- If requested, read header at a specific position

PIL/IcoImagePlugin.py

@@ -139,7 +139,7 @@ class IcoFile(object):
         """
         Get a list of all available icon sizes and color depths.
         """
-        return set((h['width'], h['height']) for h in self.entry)
+        return {(h['width'], h['height']) for h in self.entry}
 
     def getimage(self, size, bpp=False):
         """

PIL/JpegImagePlugin.py

@@ -408,7 +408,7 @@ def _fixup_dict(src_dict):
         except: pass
         return value
 
-    return dict((k, _fixup(v)) for k, v in src_dict.items())
+    return {k: _fixup(v) for k, v in src_dict.items()}
 
 
 def _getexif(self):
@@ -488,7 +488,7 @@ def _getmp(self):
         rawmpentries = mp[0xB002]
         for entrynum in range(0, quant):
             unpackedentry = unpack_from(
-                '{0}LLLHH'.format(endianness), rawmpentries, entrynum * 16)
+                '{}LLLHH'.format(endianness), rawmpentries, entrynum * 16)
             labels = ('Attribute', 'Size', 'DataOffset', 'EntryNo1',
                       'EntryNo2')
             mpentry = dict(zip(labels, unpackedentry))

PIL/TiffImagePlugin.py

@@ -132,7 +132,7 @@ COMPRESSION_INFO = {
     34677: "tiff_sgilog24",
 }
 
-COMPRESSION_INFO_REV = dict((v, k) for (k, v) in COMPRESSION_INFO.items())
+COMPRESSION_INFO_REV = {v: k for k, v in COMPRESSION_INFO.items()}
 
 OPEN_INFO = {
     # (ByteOrder, PhotoInterpretation, SampleFormat, FillOrder, BitsPerSample,
@@ -294,10 +294,6 @@ class IFDRational(Rational):
             return
 
         elif denominator == 1:
-            if sys.hexversion < 0x2070000 and isinstance(value, float):
-                # python 2.6 is different.
-                self._val = Fraction.from_float(value)
-            else:
             self._val = Fraction(value)
         else:
             self._val = Fraction(value, denominator)
@@ -592,7 +588,7 @@ class ImageFileDirectory_v2(collections.MutableMapping):
         TYPES[idx] = name
         size = struct.calcsize("=" + fmt)
         _load_dispatch[idx] = size, lambda self, data, legacy_api=True: (
-            self._unpack("{0}{1}".format(len(data) // size, fmt), data))
+            self._unpack("{}{}".format(len(data) // size, fmt), data))
         _write_dispatch[idx] = lambda self, *values: (
             b"".join(self._pack(fmt, value) for value in values))
 
@@ -624,7 +620,7 @@ class ImageFileDirectory_v2(collections.MutableMapping):
 
     @_register_loader(5, 8)
     def load_rational(self, data, legacy_api=True):
-        vals = self._unpack("{0}L".format(len(data) // 4), data)
+        vals = self._unpack("{}L".format(len(data) // 4), data)
         combine = lambda a, b: (a, b) if legacy_api else IFDRational(a, b)
         return tuple(combine(num, denom)
                      for num, denom in zip(vals[::2], vals[1::2]))
@@ -644,7 +640,7 @@ class ImageFileDirectory_v2(collections.MutableMapping):
 
     @_register_loader(10, 8)
     def load_signed_rational(self, data, legacy_api=True):
-        vals = self._unpack("{0}l".format(len(data) // 4), data)
+        vals = self._unpack("{}l".format(len(data) // 4), data)
         combine = lambda a, b: (a, b) if legacy_api else IFDRational(a, b)
         return tuple(combine(num, denom)
                      for num, denom in zip(vals[::2], vals[1::2]))
@@ -1518,7 +1514,7 @@ class AppendingTiffWriter:
     #    JPEGQTables = 519
     #    JPEGDCTables = 520
     #    JPEGACTables = 521
-    Tags = set((273, 288, 324, 519, 520, 521))
+    Tags = {273, 288, 324, 519, 520, 521}
 
     def __init__(self, fn, new=False):
         if hasattr(fn, 'read'):

PIL/TiffTags.py

@@ -418,13 +418,13 @@ TYPES = {}
 
 # some of these are not in our TAGS_V2 dict and were included from tiff.h
 
-LIBTIFF_CORE = set([255, 256, 257, 258, 259, 262, 263, 266, 274, 277,
+LIBTIFF_CORE = {255, 256, 257, 258, 259, 262, 263, 266, 274, 277,
                 278, 280, 281, 340, 341, 282, 283, 284, 286, 287,
                 296, 297, 321, 320, 338, 32995, 322, 323, 32998,
                 32996, 339, 32997, 330, 531, 530, 301, 532, 333,
                 # as above
                 269  # this has been in our tests forever, and works
-                    ])
+                }
 
 LIBTIFF_CORE.remove(320)  # Array of short, crashes
 LIBTIFF_CORE.remove(301)  # Array of short, crashes

Tests/README.rst

@@ -10,10 +10,6 @@ Install::
 
     pip install coverage nose
 
-If you're using Python 2.6, there's one additional dependency::
-
-    pip install unittest2
-
 Execution
 ---------
 

Tests/helper.py

@@ -5,10 +5,6 @@ from __future__ import print_function
 import sys
 import tempfile
 import os
-
-if sys.version_info[:2] <= (2, 6):
-    import unittest2 as unittest
-else:
 import unittest
 
 

Tests/test_file_libtiff.py

@@ -180,9 +180,9 @@ class TestFileLibTiff(LibTiffTestCase):
 
         # Get the list of the ones that we should be able to write
 
-        core_items = dict((tag, info) for tag, info in [(s, TiffTags.lookup(s)) for s
+        core_items = {tag: info for tag, info in ((s, TiffTags.lookup(s)) for s
-                                                        in TiffTags.LIBTIFF_CORE]
+                                                  in TiffTags.LIBTIFF_CORE)
-                          if info.type is not None)
+                      if info.type is not None}
 
         # Exclude ones that have special meaning
         # that we're already testing them

Tests/test_file_tiff_metadata.py

@@ -8,7 +8,7 @@ from helper import unittest, PillowTestCase, hopper
 from PIL import Image, TiffImagePlugin, TiffTags
 from PIL.TiffImagePlugin import _limit_rational, IFDRational
 
-tag_ids = dict((info.name, info.value) for info in TiffTags.TAGS_V2.values())
+tag_ids = {info.name: info.value for info in TiffTags.TAGS_V2.values()}
 
 
 class TestFileTiffMetadata(PillowTestCase):

Tests/test_image_getim.py

@@ -1,5 +1,4 @@
 from helper import unittest, PillowTestCase, hopper, py3
-import sys
 
 
 class TestImageGetIm(PillowTestCase):
@@ -11,13 +10,7 @@ class TestImageGetIm(PillowTestCase):
         if py3:
             self.assertIn("PyCapsule", type_repr)
 
-        if sys.hexversion < 0x2070000:
+        self.assertIsInstance(im.im.id, int)
-            # py2.6 x64, windows
-            target_types = (int, long)
-        else:
-            target_types = (int)
-
-        self.assertIsInstance(im.im.id, target_types)
 
 
 if __name__ == '__main__':

Tests/test_image_resample.py

@@ -232,10 +232,10 @@ class CoreResampleAlphaCorrectTest(PillowTestCase):
     def run_levels_case(self, i):
         px = i.load()
         for y in range(i.size[1]):
-            used_colors = set(px[x, y][0] for x in range(i.size[0]))
+            used_colors = {px[x, y][0] for x in range(i.size[0])}
             self.assertEqual(256, len(used_colors),
                 'All colors should present in resized image. '
-                'Only {0} on {1} line.'.format(len(used_colors), y))
+                'Only {} on {} line.'.format(len(used_colors), y))
 
     @unittest.skip("current implementation isn't precise enough")
     def test_levels_rgba(self):
@@ -270,7 +270,7 @@ class CoreResampleAlphaCorrectTest(PillowTestCase):
         for y in range(i.size[1]):
             for x in range(i.size[0]):
                 if px[x, y][-1] != 0 and px[x, y][:-1] != clean_pixel:
-                    message = 'pixel at ({0}, {1}) is differ:\n{2}\n{3}'\
+                    message = 'pixel at ({}, {}) is differ:\n{}\n{}'\
                         .format(x, y, px[x, y], clean_pixel)
                     self.assertEqual(px[x, y][:3], clean_pixel, message)
 

Tests/test_image_resize.py

@@ -69,10 +69,10 @@ class TestImagingCoreResize(PillowTestCase):
         for f in [Image.LINEAR, Image.BOX, Image.BILINEAR, Image.HAMMING,
                 Image.BICUBIC, Image.LANCZOS]:
             # samples resized with current filter
-            references = dict(
+            references = {
-                (name, self.resize(ch, (4, 4), f))
+                name: self.resize(ch, (4, 4), f)
                 for name, ch in samples.items()
-            )
+            }
 
             for mode, channels_set in [
                 ('RGB', ('blank', 'filled', 'dirty')),

Tests/test_image_toqimage.py

@@ -29,7 +29,7 @@ class TestToQImage(PillowQtTestCase, PillowTestCase):
             self.assertFalse(data.isNull())
 
             # Test saving the file
-            tempfile = self.tempfile('temp_{0}.png'.format(mode))
+            tempfile = self.tempfile('temp_{}.png'.format(mode))
             data.save(tempfile)
 
 

Tests/test_image_toqpixmap.py

@@ -19,7 +19,7 @@ class TestToQPixmap(PillowQPixmapTestCase, PillowTestCase):
             self.assertFalse(data.isNull())
 
             # Test saving the file
-            tempfile = self.tempfile('temp_{0}.png'.format(mode))
+            tempfile = self.tempfile('temp_{}.png'.format(mode))
             data.save(tempfile)
 
 

Tests/test_imagewin_pointers.py

@@ -75,11 +75,7 @@ if sys.platform.startswith('win32'):
         memcpy(bp, ctypes.byref(bf), ctypes.sizeof(bf))
         memcpy(bp + ctypes.sizeof(bf), ctypes.byref(bi), bi.biSize)
         memcpy(bp + bf.bfOffBits, pixels, bi.biSizeImage)
-        try:
         return bytearray(buf)
-        except ValueError:
-            # py2.6
-            return buffer(buf)[:]
 
     class TestImageWinPointers(PillowTestCase):
         def test_pointer(self):

_imaging.c

@@ -3073,11 +3073,7 @@ _getattr_id(ImagingObject* self, void* closure)
 static PyObject*
 _getattr_ptr(ImagingObject* self, void* closure)
 {
-#if PY_VERSION_HEX >= 0x02070000
     return PyCapsule_New(self->image, IMAGING_MAGIC, NULL);
-#else
-    return PyCObject_FromVoidPtrAndDesc(self->image, IMAGING_MAGIC, NULL);
-#endif
 }
 
 static PyObject*

docs/installation.rst

@@ -15,7 +15,9 @@ Notes
 
 .. note:: Pillow < 2.0.0 supports Python versions 2.4, 2.5, 2.6, 2.7.
 
-.. note:: Pillow >= 2.0.0 supports Python versions 2.6, 2.7, 3.2, 3.3, 3.4, 3.5
+.. note:: Pillow >= 2.0.0 < 3.5.0 supports Python versions 2.6, 2.7, 3.2, 3.3, 3.4, 3.5
+
+.. note:: Pillow >= 3.5.0 supports Python versions 2.7, 3.2, 3.3, 3.4, 3.5
 
 Basic Installation
 ------------------

py3.h

@@ -1,5 +1,5 @@
 /*
-    Python3 definition file to consistently map the code to Python 2.6 or
+    Python3 definition file to consistently map the code to Python 2 or
     Python 3.
 
     PyInt and PyLong were merged into PyLong in Python 3, so all PyInt functions

setup.py

@@ -147,7 +147,7 @@ class pil_build_ext(build_ext):
         features = ['zlib', 'jpeg', 'tiff', 'freetype', 'lcms', 'webp',
                     'webpmux', 'jpeg2000', 'imagequant']
 
-        required = set(['jpeg', 'zlib'])
+        required = {'jpeg', 'zlib'}
 
         def __init__(self):
             for f in self.features:
@@ -770,7 +770,6 @@ try:
               "Topic :: Multimedia :: Graphics :: Graphics Conversion",
               "Topic :: Multimedia :: Graphics :: Viewers",
               "Programming Language :: Python :: 2",
-              "Programming Language :: Python :: 2.6",
               "Programming Language :: Python :: 2.7",
               "Programming Language :: Python :: 3",
               "Programming Language :: Python :: 3.2",

tox.ini

@@ -4,7 +4,7 @@
 # and then run "tox" from this directory.
 
 [tox]
-envlist = py26, py27, py32, py33, py34, py35
+envlist = py27, py32, py33, py34, py35
 
 [testenv]
 commands =

winbuild/build.py

@@ -18,9 +18,6 @@ def setup_vms():
                        % (py, arch, VIRT_BASE, py, arch))
             ret.append("%s%s%s\Scripts\pip.exe install nose" %
                        (VIRT_BASE, py, arch))
-            if py == '26':
-                ret.append("%s%s%s\Scripts\pip.exe install unittest2" %
-                           (VIRT_BASE, py, arch))
     return "\n".join(ret)
 
 

winbuild/get_pythons.py

@@ -2,7 +2,7 @@ from fetch import fetch
 import os
 
 if __name__ == '__main__':
-    for version in ['2.6.6', '2.7.10', '3.2.5', '3.3.5', '3.4.3']:
+    for version in ['2.7.10', '3.2.5', '3.3.5', '3.4.3']:
         for platform in ['', '.amd64']:
             for extension in ['', '.asc']:
                 fetch('https://www.python.org/ftp/python/%s/python-%s%s.msi%s'