Drop support for EOL Python 2.7 and 3.5

.github/workflows/ci.yml

@@ -33,7 +33,6 @@ jobs:
           - "3.10"
           - "3.11"
           - "3.12"
-          - "pypy-2.7"
           - "pypy-3.7"
           - "pypy-3.8"
           - "pypy-3.9"
@@ -43,11 +42,6 @@ jobs:
             python-version: "pypy-3.6"
           - os: ubuntu-20.04
             python-version: "3.6"
-          - os: ubuntu-20.04
-            python-version: "3.5"
-          - os: ubuntu-20.04
-            container: python:2.7-buster
-            python-version: "2.7"
 
     runs-on: ${{ matrix.os }}
     container: ${{ matrix.container }}
@@ -77,22 +71,13 @@ jobs:
           echo IS_PYPY=$IS_PYPY >>$GITHUB_ENV
           echo TOX_PYTHON=$V >>$GITHUB_ENV
 
-          if [[ ${{ matrix.python-version }} = *2.7 ]]; then
-            python -m pip install tox
-          else
-            python -Im pip install tox
-          fi
+          python -Im pip install tox
 
       - name: Prepare sdist and source-dir
         shell: bash
         run: |
-          if [[ ${{ matrix.python-version }} = *2.7 ]]; then
-            python -m pip install build
-            python -m build
-          else
-            python -Im pip install build
-            python -Im build
-          fi
+          python -Im pip install build
+          python -Im build
 
           mkdir source-dir
           tar -xzvf dist/wcwidth-*.tar.gz -C source-dir --strip-components=1
@@ -101,11 +86,7 @@ jobs:
         shell: bash
         working-directory: ./source-dir
         run: |
-          if [[ ${{ matrix.python-version }} = *2.7 ]]; then
-            python -m tox -e ${{ env.TOX_PYTHON }}
-          else
-            python -Im tox -e ${{ env.TOX_PYTHON }}
-          fi
+          python -Im tox -e ${{ env.TOX_PYTHON }}
 
       - name: Rename coverage data
         shell: bash

.travis.yml

@@ -4,12 +4,6 @@ matrix:
   include:
     - python: 3.8
       env: TOXENV=update,compile,autopep8,docformatter,isort,pylint,flake8,flake8_tests,pydocstyle,docs COVERAGE_ID=travis-ci
-    - python: 2.7
-      env: TOXENV=py27,codecov COVERAGE_ID=travis-ci
-    - python: 3.4
-      env: TOXENV=py34,codecov COVERAGE_ID=travis-ci
-    - python: 3.5
-      env: TOXENV=py35,codecov COVERAGE_ID=travis-ci
     - python: 3.6
       env: TOXENV=py36,codecov COVERAGE_ID=travis-ci
     - python: 3.7

bin/wcwidth-browser.py

@@ -22,7 +22,6 @@
 #         Invalid constant name "echo"
 #         Invalid constant name "flushout" (col 4)
 #         Invalid module name "wcwidth-browser"
-from __future__ import division, print_function
 
 # std imports
 import sys
@@ -44,7 +43,7 @@
 
 #: printable length of highest unicode character description
 LIMIT_UCS = 0x3fffd
-UCS_PRINTLEN = len('{value:0x}'.format(value=LIMIT_UCS))
+UCS_PRINTLEN = len(f'{LIMIT_UCS:0x}')
 
 
 def readline(term, width):
@@ -69,7 +68,7 @@ def readline(term, width):
     return text
 
 
-class WcWideCharacterGenerator(object):
+class WcWideCharacterGenerator:
     """Generator yields unicode characters of the given ``width``."""
 
     # pylint: disable=R0903
@@ -101,7 +100,7 @@ def __next__(self):
             return (ucs, name)
 
 
-class WcCombinedCharacterGenerator(object):
+class WcCombinedCharacterGenerator:
     """Generator yields unicode characters with combining."""
 
     # pylint: disable=R0903
@@ -148,11 +147,8 @@ def __next__(self):
                 continue
             return (ucs, name)
 
-    # python 2.6 - 3.3 compatibility
-    next = __next__
 
-
-class Style(object):
+class Style:
     """Styling decorator class instance for terminal output."""
 
     # pylint: disable=R0903
@@ -184,7 +180,7 @@ def __init__(self, **kwargs):
             setattr(self, key, val)
 
 
-class Screen(object):
+class Screen:
     """Represents terminal style, data dimensions, and drawables."""
 
     intro_msg_fmt = ('Delimiters ({delim}) should align, '
@@ -217,8 +213,7 @@ def head_item(self):
         """Text of a single column heading."""
         delimiter = self.style.attr_minor(self.style.delimiter)
         hint = self.style.header_hint * self.wide
-        heading = ('{delimiter}{hint}{delimiter}'
-                   .format(delimiter=delimiter, hint=hint))
+        heading = f'{delimiter}{hint}{delimiter}'
 
         def alignment(*args):
             if self.style.alignment == 'right':
@@ -264,7 +259,7 @@ def page_size(self):
         return self.num_rows * self.num_columns
 
 
-class Pager(object):
+class Pager:
     """A less(1)-like browser for browsing unicode characters."""
     # pylint: disable=too-many-instance-attributes
 
@@ -570,10 +565,10 @@ def draw_status(self, writer, idx):
             if idx == self.last_page:
                 last_end = '(END)'
             else:
-                last_end = '/{0}'.format(self.last_page)
+                last_end = f'/{self.last_page}'
             txt = ('Page {idx}{last_end} - '
                    '{q} to quit, [keys: {keyset}]'
-                   .format(idx=style.attr_minor('{0}'.format(idx)),
+                   .format(idx=style.attr_minor(f'{idx}'),
                            last_end=style.attr_major(last_end),
                            keyset=style.attr_major('kjfbvc12-='),
                            q=style.attr_minor('q')))

bin/wcwidth-libc-comparator.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-# coding: utf-8
 """
 Manual tests comparing wcwidth.py to libc's wcwidth(3) and wcswidth(3).
 
@@ -18,7 +17,6 @@
 #         Invalid module name "wcwidth-libc-comparator"
 
 # standard imports
-from __future__ import print_function
 
 # std imports
 import sys
@@ -64,25 +62,12 @@ def report_ucs_msg(ucs, wcwidth_libc, wcwidth_local):
            .decode('ascii')
            .upper()
            .lstrip('0'))
-    url = "http://codepoints.net/U+{}".format(ucp)
+    url = f"http://codepoints.net/U+{ucp}"
     name = unicodedata.name(ucs)
-    return (u"libc,ours={},{} [--o{}o--] name={} val={} {}"
+    return ("libc,ours={},{} [--o{}o--] name={} val={} {}"
             " ".format(wcwidth_libc, wcwidth_local, ucs, name, ord(ucs), url))
 
 
-# use chr() for py3.x,
-# unichr() for py2.x
-try:
-    _ = unichr(0)
-except NameError as err:
-    if err.args[0] == "name 'unichr' is not defined":
-        # pylint: disable=W0622
-        #         Redefining built-in 'unichr' (col 8)
-
-        unichr = chr
-    else:
-        raise
-
 if sys.maxunicode < 1114111:
     warnings.warn('narrow Python build, only a small subset of '
                   'characters may be tested.')
@@ -108,7 +93,7 @@ def main(using_locale=('en_US', 'UTF-8',)):
     report a detailed AssertionError to stdout.
     """
     all_ucs = (ucs for ucs in
-               [unichr(val) for val in range(sys.maxunicode)]
+               [chr(val) for val in range(sys.maxunicode)]
                if is_named(ucs) and is_not_combining(ucs))
 
     libc_name = ctypes.util.find_library('c')

docs/conf.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 #
 # wcwidth documentation build configuration file, created by
 # sphinx-quickstart on Fri Oct 20 15:18:02 2017.

docs/intro.rst

@@ -107,7 +107,7 @@ Install wcwidth in editable mode::
 
 Execute unit tests using tox_::
 
-   tox -e py27,py35,py36,py37,py38,py39,py310,py311,py312
+   tox -e py36,py37,py38,py39,py310,py311,py312
 
 Updating Unicode Version
 ------------------------

setup.py

@@ -51,24 +51,21 @@ def main():
             _get_here('README.rst'), 'rb', 'utf8').read(),
         author='Jeff Quast',
         author_email='[email protected]',
-        install_requires=('backports.functools-lru-cache>=1.2.1;'
-                          'python_version < "3.2"'),
         license='MIT',
         packages=['wcwidth'],
         url='https://github.com/jquast/wcwidth',
         package_data={
             '': ['LICENSE', '*.rst'],
         },
         zip_safe=True,
+        python_requires='>=3.6',
         classifiers=[
             'Intended Audience :: Developers',
             'Natural Language :: English',
             'Development Status :: 5 - Production/Stable',
             'Environment :: Console',
             'License :: OSI Approved :: MIT License',
             'Operating System :: POSIX',
-            'Programming Language :: Python :: 2.7',
-            'Programming Language :: Python :: 3.5',
             'Programming Language :: Python :: 3.6',
             'Programming Language :: Python :: 3.7',
             'Programming Language :: Python :: 3.8',