Remove redundant `sphinx/utils/checks.py`

1 files changed, 0 insertions, 100 deletions

diff --git a/utils/checks.py b/utils/checks.py
deleted file mode 100644
index 3143357c2..000000000
--- a/utils/checks.py
+++ /dev/null
@@ -1,100 +0,0 @@
-"""Custom, Sphinx-only flake8 plugins."""
-
-import os
-import re
-
-import sphinx
-
-name_mail_re = r'[\w ]+(<.*?>)?'
-copyright_re = re.compile(r'^    :copyright: Copyright 200\d(-20\d\d)? '
-                          r'by %s(, %s)*[,.]$' % (name_mail_re, name_mail_re))
-copyright_2_re = re.compile(r'^                %s(, %s)*[,.]$' %
-                            (name_mail_re, name_mail_re))
-license_re = re.compile(r'    :license: (.*?).\n')
-
-
-def flake8ext(_func):
-    """Decorate flake8_asserts functions"""
-    _func.name = _func.__name__
-    _func.version = sphinx.__version__
-    _func.code = _func.__name__.upper()
-
-    return _func
-
-
-@flake8ext
-def sphinx_has_header(physical_line, filename, lines, line_number):
-    """Check for correct headers.
-
-    Make sure each Python file has a correct file header including
-    copyright and license information.
-
-    X101 invalid header found
-    """
-    # we have a state machine of sorts so we need to start on line 1. Also,
-    # there's no point checking really short files
-    if line_number != 1 or len(lines) < 10:
-        return
-
-    # this file uses a funky license but unfortunately it's not possible to
-    # ignore specific errors on a file-level basis yet [1]. Simply skip it.
-    #
-    # [1] https://gitlab.com/pycqa/flake8/issues/347
-    if os.path.samefile(filename, './sphinx/util/smartypants.py'):
-        return
-
-    # if the top-level package or not inside the package, ignore
-    mod_name = os.path.splitext(filename)[0].strip('./\\').replace(
-        '/', '.').replace('.__init__', '')
-    if mod_name == 'sphinx' or not mod_name.startswith('sphinx.'):
-        return
-
-    # line number correction
-    offset = 1
-    if lines[0:1] == ['#!/usr/bin/env python3\n']:
-        lines = lines[1:]
-        offset = 2
-
-    llist = []
-    doc_open = False
-
-    for lno, line in enumerate(lines):
-        llist.append(line)
-        if lno == 0:
-            if line != '"""\n' and line != 'r"""\n':
-                return 0, 'X101 missing docstring begin (""")'
-            else:
-                doc_open = True
-        elif doc_open:
-            if line == '"""\n':
-                # end of docstring
-                if lno <= 3:
-                    return 0, 'X101 missing module name in docstring'
-                break
-
-            if line != '\n' and line[:4] != '    ' and doc_open:
-                return 0, 'X101 missing correct docstring indentation'
-
-            if lno == 1:
-                mod_name_len = len(line.strip())
-                if line.strip() != mod_name:
-                    return 2, 'X101 wrong module name in docstring heading'
-            elif lno == 2:
-                if line.strip() != mod_name_len * '~':
-                    return (3, 'X101 wrong module name underline, should be '
-                            '~~~...~')
-    else:
-        return 0, 'X101 missing end and/or start of docstring...'
-
-    # check for copyright and license fields
-    license = llist[-2:-1]
-    if not license or not license_re.match(license[0]):
-        return 0, 'X101 no correct license info'
-
-    offset = -3
-    copyright = llist[offset:offset + 1]
-    while copyright and copyright_2_re.match(copyright[0]):
-        offset -= 1
-        copyright = llist[offset:offset + 1]
-    if not copyright or not copyright_re.match(copyright[0]):
-        return 0, 'X101 no correct copyright info'