Apply pyupgrade to project

Update patterns to modern Python syntax and features. Drops unnecessary
legacy syntax that was required for Python 2 (removed in
9c3db1a).

Details on pyupgrade can be found at:
https://github.com/asottile/pyupgrade

codespell_lib/_codespell.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -29,12 +28,12 @@
 # autogenerated by setuptools_scm
 from ._version import __version__ as VERSION
 
-word_regex_def = u"[\\w\\-'’`]+"
+word_regex_def = "[\\w\\-'’`]+"
 # While we want to treat characters like ( or " as okay for a starting break,
 # these may occur unescaped in URIs, and so we are more restrictive on the
 # endpoint.  Emails are more restrictive, so the endpoint remains flexible.
-uri_regex_def = (u"(\\b(?:https?|[ts]?ftp|file|git|smb)://[^\\s]+(?=$|\\s)|"
-                 u"\\b[\\w.%+-]+@[\\w.-]+\\b)")
+uri_regex_def = ("(\\b(?:https?|[ts]?ftp|file|git|smb)://[^\\s]+(?=$|\\s)|"
+                 "\\b[\\w.%+-]+@[\\w.-]+\\b)")
 encodings = ('utf-8', 'iso-8859-1')
 USAGE = """
 \t%prog [OPTIONS] [file1 file2 ... fileN]
@@ -83,7 +82,7 @@
 #    file1 .. fileN      Files to check spelling
 
 
-class QuietLevels(object):
+class QuietLevels:
     NONE = 0
     ENCODING = 1
     BINARY_FILE = 2
@@ -92,7 +91,7 @@ class QuietLevels(object):
     FIXES = 16
 
 
-class GlobMatch(object):
+class GlobMatch:
     def __init__(self, pattern):
         if pattern:
             # Pattern might be a list of comma-delimited strings
@@ -111,14 +110,14 @@ def match(self, filename):
         return False
 
 
-class Misspelling(object):
+class Misspelling:
     def __init__(self, data, fix, reason):
         self.data = data
         self.fix = fix
         self.reason = reason
 
 
-class TermColors(object):
+class TermColors:
     def __init__(self):
         self.FILE = '\033[33m'
         self.WWORD = '\033[31m'
@@ -132,7 +131,7 @@ def disable(self):
         self.DISABLE = ''
 
 
-class Summary(object):
+class Summary:
     def __init__(self):
         self.summary = {}
 
@@ -152,7 +151,7 @@ def __str__(self):
                          width=15 - len(key)) for key in keys])
 
 
-class FileOpener(object):
+class FileOpener:
     def __init__(self, use_chardet, quiet_level):
         self.use_chardet = use_chardet
         if use_chardet:

codespell_lib/tests/test_basic.py

@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 import contextlib
 import inspect
 import os
@@ -22,7 +20,7 @@ def test_constants():
     assert EX_DATAERR == 65
 
 
-class MainWrapper(object):
+class MainWrapper:
     """Compatibility wrapper for when we used to return the count."""
 
     def main(self, *args, count=True, std=False, **kwargs):
@@ -174,7 +172,7 @@ def test_interactivity(tmpdir, capsys):
         with FakeStdin('0\n'):  # blank input -> nothing
             assert cs.main('-w', '-i', '3', f.name) == 0
         assert cs.main(f.name) == 0
-        with open(f.name, 'r') as f_read:
+        with open(f.name) as f_read:
             assert f_read.read() == 'awkward\n'
         with open(f.name, 'w') as f:
             f.write('ackward\n')
@@ -184,7 +182,7 @@ def test_interactivity(tmpdir, capsys):
             assert code == 0
         assert 'a valid option' in stdout
         assert cs.main(f.name) == 0
-        with open(f.name, 'r') as f:
+        with open(f.name) as f:
             assert f.read() == 'backward\n'
     finally:
         os.remove(f.name)
@@ -249,11 +247,11 @@ def test_exclude_file(tmpdir, capsys):
     """Test exclude file functionality."""
     d = str(tmpdir)
     with open(op.join(d, 'bad.txt'), 'wb') as f:
-        f.write('1 abandonned 1\n2 abandonned 2\n'.encode('utf-8'))
+        f.write(b'1 abandonned 1\n2 abandonned 2\n')
     bad_name = f.name
     assert cs.main(bad_name) == 2
     with open(op.join(d, 'tmp.txt'), 'wb') as f:
-        f.write('1 abandonned 1\n'.encode('utf-8'))
+        f.write(b'1 abandonned 1\n')
     assert cs.main(bad_name) == 2
     assert cs.main('-x', f.name, bad_name) == 1
 
@@ -266,11 +264,11 @@ def test_encoding(tmpdir, capsys):
     # with CaptureStdout() as sio:
     assert cs.main(f.name) == 0
     with open(f.name, 'wb') as f:
-        f.write(u'naïve\n'.encode('utf-8'))
+        f.write('naïve\n'.encode())
     assert cs.main(f.name) == 0
     assert cs.main('-e', f.name) == 0
     with open(f.name, 'ab') as f:
-        f.write(u'naieve\n'.encode('utf-8'))
+        f.write(b'naieve\n')
     assert cs.main(f.name) == 1
     # Encoding detection (only try ISO 8859-1 because UTF-8 is the default)
     with open(f.name, 'wb') as f:
@@ -395,7 +393,7 @@ def test_case_handling(tmpdir, capsys):
     # with CaptureStdout() as sio:
     assert cs.main(f.name) == 0
     with open(f.name, 'wb') as f:
-        f.write('this has an ACII error'.encode('utf-8'))
+        f.write(b'this has an ACII error')
     code, stdout, _ = cs.main(f.name, std=True)
     assert code == 1
     assert 'ASCII' in stdout

codespell_lib/tests/test_dictionary.py

@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 import glob
 import os.path as op
 import os
@@ -41,9 +39,9 @@
 
 def test_dictionaries_exist():
     """Test consistency of dictionaries."""
-    doc_fnames = set(op.basename(f[0]) for f in _fnames_in_aspell)
-    got_fnames = set(op.basename(f)
-                     for f in glob.glob(op.join(_data_dir, '*.txt')))
+    doc_fnames = {op.basename(f[0]) for f in _fnames_in_aspell}
+    got_fnames = {op.basename(f)
+                  for f in glob.glob(op.join(_data_dir, '*.txt'))}
     assert doc_fnames == got_fnames