Drop support for EOL Python 2.6, 3.2 and 3.3

.travis.yml

@@ -0,0 +1,21 @@
+language: python
+cache: pip
+
+# Supported CPython versions:
+# https://en.wikipedia.org/wiki/CPython#Version_history
+matrix:
+  fast_finish: true
+  include:
+    - python: 3.7
+      dist: xenial
+    - python: 3.6
+    - python: 3.5
+    - python: 3.4
+    - python: 2.7
+
+install:
+ - pip install -U pip
+ - pip install -U tox-travis
+
+script:
+ - tox

pathspec/compat.py

@@ -32,5 +32,5 @@ def iterkeys(mapping):
 	# Python 3.6+.
 	from collections.abc import Collection as collection_type
 except ImportError:
-	# Python 2.6 - 3.5.
+	# Python 2.7 - 3.5.
 	from collections import Container as collection_type

pathspec/pathspec.py

@@ -66,10 +66,10 @@ def from_lines(cls, pattern_factory, lines):
 		if isinstance(pattern_factory, string_types):
 			pattern_factory = util.lookup_pattern(pattern_factory)
 		if not callable(pattern_factory):
-			raise TypeError("pattern_factory:{0!r} is not callable.".format(pattern_factory))
+			raise TypeError("pattern_factory:{!r} is not callable.".format(pattern_factory))
 
 		if isinstance(lines, (bytes, unicode)):
-			raise TypeError("lines:{0!r} is not an iterable.".format(lines))
+			raise TypeError("lines:{!r} is not an iterable.".format(lines))
 
 		lines = [pattern_factory(line) for line in lines if line]
 		return cls(lines)
@@ -107,7 +107,7 @@ def match_files(self, files, separators=None):
 		:class:`str`).
 		"""
 		if isinstance(files, (bytes, unicode)):
-			raise TypeError("files:{0!r} is not an iterable.".format(files))
+			raise TypeError("files:{!r} is not an iterable.".format(files))
 
 		file_map = util.normalize_files(files, separators=separators)
 		matched_files = util.match_files(self.patterns, iterkeys(file_map))

pathspec/pattern.py

@@ -42,7 +42,7 @@ def match(self, files):
 		Returns an :class:`~collections.abc.Iterable` yielding each matched
 		file path (:class:`str`).
 		"""
-		raise NotImplementedError("{0}.{1} must override match().".format(self.__class__.__module__, self.__class__.__name__))
+		raise NotImplementedError("{}.{} must override match().".format(self.__class__.__module__, self.__class__.__name__))
 
 
 class RegexPattern(Pattern):
@@ -79,7 +79,7 @@ def __init__(self, pattern, include=None):
 		"""
 
 		if isinstance(pattern, (unicode, bytes)):
-			assert include is None, "include:{0!r} must be null when pattern:{1!r} is a string.".format(include, pattern)
+			assert include is None, "include:{!r} must be null when pattern:{!r} is a string.".format(include, pattern)
 			regex, include = self.pattern_to_regex(pattern)
 			# NOTE: Make sure to allow a null regular expression to be
 			# returned for a null-operation.
@@ -94,10 +94,10 @@ def __init__(self, pattern, include=None):
 		elif pattern is None:
 			# NOTE: Make sure to allow a null pattern to be passed for a
 			# null-operation.
-			assert include is None, "include:{0!r} must be null when pattern:{1!r} is null.".format(include, pattern)
+			assert include is None, "include:{!r} must be null when pattern:{!r} is null.".format(include, pattern)
 
 		else:
-			raise TypeError("pattern:{0!r} is not a string, RegexObject, or None.".format(pattern))
+			raise TypeError("pattern:{!r} is not a string, RegexObject, or None.".format(pattern))
 
 		super(RegexPattern, self).__init__(include)
 		self.regex = regex

pathspec/patterns/gitwildmatch.py

@@ -45,7 +45,7 @@ def pattern_to_regex(cls, pattern):
 			return_type = bytes
 			pattern = pattern.decode(_BYTES_ENCODING)
 		else:
-			raise TypeError("pattern:{0!r} is not a unicode or byte string.".format(pattern))
+			raise TypeError("pattern:{!r} is not a unicode or byte string.".format(pattern))
 
 		pattern = pattern.strip()
 

pathspec/tests/test_gitwildmatch.py

@@ -6,12 +6,7 @@
 
 import re
 import sys
-
-try:
-	# Python 2.6.
-	import unittest2 as unittest
-except ImportError:
-	import unittest
+import unittest
 
 import pathspec.patterns.gitwildmatch
 import pathspec.util
@@ -58,10 +53,10 @@ def test_01_absolute(self):
 			'an/absolute/file/path/foo',
 			'foo/an/absolute/file/path',
 		]))
-		self.assertEqual(results, set([
+		self.assertEqual(results, {
 			'an/absolute/file/path',
 			'an/absolute/file/path/foo',
-		]))
+		})
 
 	def test_01_absolute_root(self):
 		"""
@@ -98,13 +93,13 @@ def test_01_relative(self):
 			'spam/foo',
 			'foo/spam/bar',
 		]))
-		self.assertEqual(results, set([
+		self.assertEqual(results, {
 			'spam',
 			'spam/',
 			'foo/spam',
 			'spam/foo',
 			'foo/spam/bar',
-		]))
+		})
 
 	def test_01_relative_nested(self):
 		"""
@@ -129,10 +124,10 @@ def test_01_relative_nested(self):
 			'foo/spam/bar',
 			'bar/foo/spam',
 		]))
-		self.assertEqual(results, set([
+		self.assertEqual(results, {
 			'foo/spam',
 			'foo/spam/bar',
-		]))
+		})
 
 	def test_02_comment(self):
 		"""
@@ -181,7 +176,7 @@ def test_03_child_double_asterisk(self):
 			'spam/bar',
 			'foo/spam/bar',
 		]))
-		self.assertEqual(results, set(['spam/bar']))
+		self.assertEqual(results, {'spam/bar'})
 
 	def test_03_inner_double_asterisk(self):
 		"""
@@ -208,11 +203,11 @@ def test_03_inner_double_asterisk(self):
 			'left/bar/right/foo',
 			'foo/left/bar/right',
 		]))
-		self.assertEqual(results, set([
+		self.assertEqual(results, {
 			'left/bar/right',
 			'left/foo/bar/right',
 			'left/bar/right/foo',
-		]))
+		})
 
 	def test_03_only_double_asterisk(self):
 		"""
@@ -240,10 +235,10 @@ def test_03_parent_double_asterisk(self):
 			'foo/spam',
 			'foo/spam/bar',
 		]))
-		self.assertEqual(results, set([
+		self.assertEqual(results, {
 			'foo/spam',
 			'foo/spam/bar',
-		]))
+		})
 
 	def test_04_infix_wildcard(self):
 		"""
@@ -269,13 +264,13 @@ def test_04_infix_wildcard(self):
 			'foo-hello-bar/b',
 			'a/foo-hello-bar/b',
 		]))
-		self.assertEqual(results, set([
+		self.assertEqual(results, {
 			'foo--bar',
 			'foo-hello-bar',
 			'a/foo-hello-bar',
 			'foo-hello-bar/b',
 			'a/foo-hello-bar/b',
-		]))
+		})
 
 	def test_04_postfix_wildcard(self):
 		"""
@@ -301,13 +296,13 @@ def test_04_postfix_wildcard(self):
 			'foo/~temp-bar',
 			'foo/~temp-bar/baz',
 		]))
-		self.assertEqual(results, set([
+		self.assertEqual(results, {
 			'~temp-',
 			'~temp-foo',
 			'~temp-foo/bar',
 			'foo/~temp-bar',
 			'foo/~temp-bar/baz',
-		]))
+		})
 
 	def test_04_prefix_wildcard(self):
 		"""
@@ -331,12 +326,12 @@ def test_04_prefix_wildcard(self):
 			'foo/bar.py',
 			'foo/bar.py/baz',
 		]))
-		self.assertEqual(results, set([
+		self.assertEqual(results, {
 			'bar.py',
 			'bar.py/',
 			'foo/bar.py',
 			'foo/bar.py/baz',
-		]))
+		})
 
 	def test_05_directory(self):
 		"""
@@ -363,11 +358,11 @@ def test_05_directory(self):
 			'foo/dir/bar',
 			'dir',
 		]))
-		self.assertEqual(results, set([
+		self.assertEqual(results, {
 			'dir/',
 			'foo/dir/',
 			'foo/dir/bar',
-		]))
+		})
 
 	def test_06_registered(self):
 		"""
@@ -411,7 +406,7 @@ def test_07_match_bytes_and_bytes(self):
 		"""
 		pattern = GitWildMatchPattern(b'*.py')
 		results = set(pattern.match([b'a.py']))
-		self.assertEqual(results, set([b'a.py']))
+		self.assertEqual(results, {b'a.py'})
 
 	def test_07_match_bytes_and_bytes_complete(self):
 		"""
@@ -421,7 +416,7 @@ def test_07_match_bytes_and_bytes_complete(self):
 		escaped = b"".join(b"\\" + encoded[i:i+1] for i in range(len(encoded)))
 		pattern = GitWildMatchPattern(escaped)
 		results = set(pattern.match([encoded]))
-		self.assertEqual(results, set([encoded]))
+		self.assertEqual(results, {encoded})
 
 	@unittest.skipIf(sys.version_info[0] >= 3, "Python 3 is strict")
 	def test_07_match_bytes_and_unicode(self):
@@ -430,7 +425,7 @@ def test_07_match_bytes_and_unicode(self):
 		"""
 		pattern = GitWildMatchPattern(b'*.py')
 		results = set(pattern.match(['a.py']))
-		self.assertEqual(results, set(['a.py']))
+		self.assertEqual(results, {'a.py'})
 
 	@unittest.skipIf(sys.version_info[0] == 2, "Python 2 is lenient")
 	def test_07_match_bytes_and_unicode_fail(self):
@@ -449,7 +444,7 @@ def test_07_match_unicode_and_bytes(self):
 		"""
 		pattern = GitWildMatchPattern('*.py')
 		results = set(pattern.match([b'a.py']))
-		self.assertEqual(results, set([b'a.py']))
+		self.assertEqual(results, {b'a.py'})
 
 	@unittest.skipIf(sys.version_info[0] == 2, "Python 2 is lenient")
 	def test_07_match_unicode_and_bytes_fail(self):
@@ -467,4 +462,4 @@ def test_07_match_unicode_and_unicode(self):
 		"""
 		pattern = GitWildMatchPattern('*.py')
 		results = set(pattern.match(['a.py']))
-		self.assertEqual(results, set(['a.py']))
+		self.assertEqual(results, {'a.py'})

pathspec/tests/test_pathspec.py

@@ -3,10 +3,7 @@
 This script tests ``PathSpec``.
 """
 
-try:
-	import unittest2 as unittest
-except ImportError:
-	import unittest
+import unittest
 
 import pathspec
 
@@ -33,11 +30,11 @@ def test_01_current_dir_paths(self):
 			'./src/test2/b.txt',
 			'./src/test2/c/c.txt',
 		]))
-		self.assertEqual(results, set([
+		self.assertEqual(results, {
 			'./src/test2/a.txt',
 			'./src/test2/b.txt',
 			'./src/test2/c/c.txt',
-		]))
+		})
 
 	def test_01_match_files(self):
 		"""
@@ -77,11 +74,11 @@ def test_01_windows_current_dir_paths(self):
 			'.\\src\\test2\\b.txt',
 			'.\\src\\test2\\c\\c.txt',
 		], separators=('\\',)))
-		self.assertEqual(results, set([
+		self.assertEqual(results, {
 			'.\\src\\test2\\a.txt',
 			'.\\src\\test2\\b.txt',
 			'.\\src\\test2\\c\\c.txt',
-		]))
+		})
 
 	def test_01_windows_paths(self):
 		"""
@@ -99,11 +96,11 @@ def test_01_windows_paths(self):
 			'src\\test2\\b.txt',
 			'src\\test2\\c\\c.txt',
 		], separators=('\\',)))
-		self.assertEqual(results, set([
+		self.assertEqual(results, {
 			'src\\test2\\a.txt',
 			'src\\test2\\b.txt',
 			'src\\test2\\c\\c.txt',
-		]))
+		})
 
 	def test_02_eq(self):
 		"""