Fix up some Python2-isms using pyupgrade

babel/__init__.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     babel
     ~~~~~

babel/core.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     babel.core
     ~~~~~~~~~~
@@ -105,7 +104,7 @@ def __init__(self, identifier):
         self.identifier = identifier
 
 
-class Locale(object):
+class Locale:
     """Representation of a specific locale.
 
     >>> locale = Locale('en', 'US')

babel/dates.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     babel.dates
     ~~~~~~~~~~~
@@ -16,7 +15,6 @@
     :license: BSD, see LICENSE for more details.
 """
 
-from __future__ import division
 
 import re
 import warnings
@@ -262,7 +260,7 @@ def get_next_timezone_transition(zone=None, dt=None):
     )
 
 
-class TimezoneTransition(object):
+class TimezoneTransition:
     """A helper object that represents the return value from
     :func:`get_next_timezone_transition`.
 
@@ -1207,7 +1205,7 @@ def parse_date(string, locale=LC_TIME, format='medium'):
 
     indexes = [(year_idx, 'Y'), (month_idx, 'M'), (day_idx, 'D')]
     indexes.sort()
-    indexes = dict([(item[1], idx) for idx, item in enumerate(indexes)])
+    indexes = {item[1]: idx for idx, item in enumerate(indexes)}
 
     # FIXME: this currently only supports numbers, but should also support month
     #        names, both in the requested locale, and english
@@ -1253,7 +1251,7 @@ def parse_time(string, locale=LC_TIME, format='medium'):
 
     indexes = [(hour_idx, 'H'), (min_idx, 'M'), (sec_idx, 'S')]
     indexes.sort()
-    indexes = dict([(item[1], idx) for idx, item in enumerate(indexes)])
+    indexes = {item[1]: idx for idx, item in enumerate(indexes)}
 
     # TODO: support time zones
 
@@ -1274,7 +1272,7 @@ def parse_time(string, locale=LC_TIME, format='medium'):
     return time(hour, minute, second)
 
 
-class DateTimePattern(object):
+class DateTimePattern:
 
     def __init__(self, pattern, format):
         self.pattern = pattern
@@ -1299,7 +1297,7 @@ def apply(self, datetime, locale):
         return self % DateTimeFormat(datetime, locale)
 
 
-class DateTimeFormat(object):
+class DateTimeFormat:
 
     def __init__(self, value, locale):
         assert isinstance(value, (date, datetime, time))

babel/languages.py

@@ -1,4 +1,3 @@
-# -- encoding: UTF-8 --
 from babel.core import get_global
 
 

babel/lists.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     babel.lists
     ~~~~~~~~~~~

babel/localedata.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     babel.localedata
     ~~~~~~~~~~~~~~~~
@@ -184,7 +183,7 @@ def merge(dict1, dict2):
             dict1[key] = val1
 
 
-class Alias(object):
+class Alias:
     """Representation of an alias in the locale data.
 
     An alias is a value that refers to some other part of the locale data,

babel/localtime/__init__.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     babel.localtime
     ~~~~~~~~~~~~~~~

babel/localtime/_unix.py

@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-from __future__ import with_statement
 import os
 import re
 import sys
@@ -107,7 +105,7 @@ def _get_localzone(_root='/'):
         tzpath = os.path.join(_root, filename)
         if not os.path.exists(tzpath):
             continue
-        with open(tzpath, 'rt') as tzfile:
+        with open(tzpath) as tzfile:
             for line in tzfile:
                 match = timezone_re.match(line)
                 if match is not None:

babel/messages/__init__.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     babel.messages
     ~~~~~~~~~~~~~~

babel/messages/catalog.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     babel.messages.catalog
     ~~~~~~~~~~~~~~~~~~~~~~
@@ -69,7 +68,7 @@ def _parse_datetime_header(value):
     return dt
 
 
-class Message(object):
+class Message:
     """Representation of a single message in a catalog."""
 
     def __init__(self, id, string=u'', locations=(), flags=(), auto_comments=(),
@@ -227,7 +226,7 @@ class TranslationError(Exception):
 #"""
 
 
-class Catalog(object):
+class Catalog:
     """Representation of a message catalog."""
 
     def __init__(self, locale=None, domain=None, header_comment=DEFAULT_HEADER,
@@ -755,10 +754,10 @@ def update(self, template, no_fuzzy_matching=False, update_header_comment=False,
         # Prepare for fuzzy matching
         fuzzy_candidates = []
         if not no_fuzzy_matching:
-            fuzzy_candidates = dict([
-                (self._key_for(msgid), messages[msgid].context)
+            fuzzy_candidates = {
+                self._key_for(msgid): messages[msgid].context
                 for msgid in messages if msgid and messages[msgid].string
-            ])
+            }
         fuzzy_matches = set()
 
         def _merge(message, oldkey, newkey):

babel/messages/checkers.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     babel.messages.checkers
     ~~~~~~~~~~~~~~~~~~~~~~~

babel/messages/extract.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     babel.messages.extract
     ~~~~~~~~~~~~~~~~~~~~~~
@@ -163,7 +162,7 @@ def extract_from_dir(
         for filename in filenames:
             filepath = os.path.join(root, filename).replace(os.sep, '/')
 
-            for message_tuple in check_and_call_extract_file(
+            yield from check_and_call_extract_file(
                 filepath,
                 method_map,
                 options_map,
@@ -172,8 +171,7 @@ def extract_from_dir(
                 comment_tags,
                 strip_comment_tags,
                 dirpath=absname,
-            ):
-                yield message_tuple
+            )
 
 
 def check_and_call_extract_file(filepath, method_map, options_map,

babel/messages/frontend.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     babel.messages.frontend
     ~~~~~~~~~~~~~~~~~~~~~~~
@@ -8,7 +7,6 @@
     :copyright: (c) 2013-2022 by the Babel Team.
     :license: BSD, see LICENSE for more details.
 """
-from __future__ import print_function
 
 import fnmatch
 import logging
@@ -883,7 +881,7 @@ def run(self):
             return
 
 
-class CommandLineInterface(object):
+class CommandLineInterface:
     """Command-line interface.
 
     This class provides a simple command-line interface to the message
@@ -937,7 +935,7 @@ def run(self, argv=None):
         self._configure_logging(options.loglevel)
         if options.list_locales:
             identifiers = localedata.locale_identifiers()
-            longest = max([len(identifier) for identifier in identifiers])
+            longest = max(len(identifier) for identifier in identifiers)
             identifiers.sort()
             format = u'%%-%ds %%s' % (longest + 1)
             for identifier in identifiers:
@@ -974,7 +972,7 @@ def _configure_logging(self, loglevel):
     def _help(self):
         print(self.parser.format_help())
         print("commands:")
-        longest = max([len(command) for command in self.commands])
+        longest = max(len(command) for command in self.commands)
         format = "  %%-%ds %%s" % max(8, longest + 1)
         commands = sorted(self.commands.items())
         for name, description in commands:
@@ -1094,7 +1092,7 @@ def parse_mapping(fileobj, filename=None):
         if section == 'extractors':
             extractors = dict(parser.items(section))
         else:
-            method, pattern = [part.strip() for part in section.split(':', 1)]
+            method, pattern = (part.strip() for part in section.split(':', 1))
             method_map.append((pattern, method))
             options_map[pattern] = dict(parser.items(section))
 

babel/messages/jslexer.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     babel.messages.jslexer
     ~~~~~~~~~~~~~~~~~~~~~~

babel/messages/mofile.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     babel.messages.mofile
     ~~~~~~~~~~~~~~~~~~~~~
@@ -48,7 +47,7 @@ def read_mo(fileobj):
         version, msgcount, origidx, transidx = unpack('>4I', buf[4:20])
         ii = '>II'
     else:
-        raise IOError(0, 'Bad magic number', filename)
+        raise OSError(0, 'Bad magic number', filename)
 
     # Now put all messages from the .mo file buffer into the catalog
     # dictionary
@@ -61,7 +60,7 @@ def read_mo(fileobj):
             msg = buf[moff:mend]
             tmsg = buf[toff:tend]
         else:
-            raise IOError(0, 'File is corrupt', filename)
+            raise OSError(0, 'File is corrupt', filename)
 
         # See if we're looking at GNU .mo conventions for metadata
         if mlen == 0:

babel/messages/plurals.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     babel.messages.plurals
     ~~~~~~~~~~~~~~~~~~~~~~

babel/messages/pofile.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     babel.messages.pofile
     ~~~~~~~~~~~~~~~~~~~~~
@@ -10,7 +9,6 @@
     :license: BSD, see LICENSE for more details.
 """
 
-from __future__ import print_function
 import os
 import re
 
@@ -75,13 +73,13 @@ def denormalize(string):
 class PoFileError(Exception):
     """Exception thrown by PoParser when an invalid po file is encountered."""
     def __init__(self, message, catalog, line, lineno):
-        super(PoFileError, self).__init__('{message} on {lineno}'.format(message=message, lineno=lineno))
+        super().__init__(f'{message} on {lineno}')
         self.catalog = catalog
         self.line = line
         self.lineno = lineno
 
 
-class _NormalizedString(object):
+class _NormalizedString:
 
     def __init__(self, *args):
         self._strs = []
@@ -128,7 +126,7 @@ def __ne__(self, other):
 
 
 
-class PoFileParser(object):
+class PoFileParser:
     """Support class to  read messages from a ``gettext`` PO (portable object) file
     and add them to a `Catalog`
 
@@ -170,7 +168,7 @@ def _add_message(self):
         """
         self.translations.sort()
         if len(self.messages) > 1:
-            msgid = tuple([m.denormalize() for m in self.messages])
+            msgid = tuple(m.denormalize() for m in self.messages)
         else:
             msgid = self.messages[0].denormalize()
         if isinstance(msgid, (list, tuple)):

babel/numbers.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     babel.numbers
     ~~~~~~~~~~~~~
@@ -661,7 +660,7 @@ class NumberFormatError(ValueError):
     """Exception raised when a string cannot be parsed into a number."""
 
     def __init__(self, message, suggestions=None):
-        super(NumberFormatError, self).__init__(message)
+        super().__init__(message)
         #: a list of properly formatted numbers derived from the invalid input
         self.suggestions = suggestions
 
@@ -872,7 +871,7 @@ def parse_precision(p):
                          exp_prec, exp_plus)
 
 
-class NumberPattern(object):
+class NumberPattern:
 
     def __init__(self, pattern, prefix, suffix, grouping,
                  int_prec, frac_prec, exp_prec, exp_plus):

babel/plural.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     babel.numbers
     ~~~~~~~~~~~~~
@@ -75,7 +74,7 @@ def extract_operands(source):
     return n, i, v, w, f, t, c, e
 
 
-class PluralRule(object):
+class PluralRule:
     """Represents a set of language pluralization rules.  The constructor
     accepts a list of (tag, expr) tuples or a dict of `CLDR rules`_. The
     resulting object is callable and accepts one parameter with a positive or
@@ -149,9 +148,9 @@ def rules(self):
         {'one': 'n is 1'}
         """
         _compile = _UnicodeCompiler().compile
-        return dict([(tag, _compile(ast)) for tag, ast in self.abstract])
+        return {tag: _compile(ast) for tag, ast in self.abstract}
 
-    tags = property(lambda x: frozenset([i[0] for i in x.abstract]), doc="""
+    tags = property(lambda x: frozenset(i[0] for i in x.abstract), doc="""
         A set of explicitly defined tags in this rule.  The implicit default
         ``'other'`` rules is not part of this set unless there is an explicit
         rule for it.""")
@@ -385,7 +384,7 @@ def negate(rv):
     return 'not', (rv,)
 
 
-class _Parser(object):
+class _Parser:
     """Internal parser.  This class can translate a single rule into an abstract
     tree of tuples. It implements the following grammar::
 
@@ -521,7 +520,7 @@ def _unary_compiler(tmpl):
 compile_zero = lambda x: '0'
 
 
-class _Compiler(object):
+class _Compiler:
     """The compilers are able to transform the expressions into multiple
     output formats.
     """