--- a/lib/python3.8/site-packages/wheel/metadata.py	Mon Jul 27 03:47:31 2020 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,138 +0,0 @@
-"""
-Tools for converting old- to new-style metadata.
-"""
-
-import os.path
-import re
-import textwrap
-
-import pkg_resources
-
-from .pkginfo import read_pkg_info
-
-# Support markers syntax with the extra at the end only
-EXTRA_RE = re.compile(
-    r"""^(?P<package>.*?)(;\s*(?P<condition>.*?)(extra == '(?P<extra>.*?)')?)$""")
-
-
-def requires_to_requires_dist(requirement):
-    """Return the version specifier for a requirement in PEP 345/566 fashion."""
-    if getattr(requirement, 'url', None):
-        return " @ " + requirement.url
-
-    requires_dist = []
-    for op, ver in requirement.specs:
-        requires_dist.append(op + ver)
-    if not requires_dist:
-        return ''
-    return " (%s)" % ','.join(sorted(requires_dist))
-
-
-def convert_requirements(requirements):
-    """Yield Requires-Dist: strings for parsed requirements strings."""
-    for req in requirements:
-        parsed_requirement = pkg_resources.Requirement.parse(req)
-        spec = requires_to_requires_dist(parsed_requirement)
-        extras = ",".join(sorted(parsed_requirement.extras))
-        if extras:
-            extras = "[%s]" % extras
-        yield (parsed_requirement.project_name + extras + spec)
-
-
-def generate_requirements(extras_require):
-    """
-    Convert requirements from a setup()-style dictionary to ('Requires-Dist', 'requirement')
-    and ('Provides-Extra', 'extra') tuples.
-
-    extras_require is a dictionary of {extra: [requirements]} as passed to setup(),
-    using the empty extra {'': [requirements]} to hold install_requires.
-    """
-    for extra, depends in extras_require.items():
-        condition = ''
-        extra = extra or ''
-        if ':' in extra:  # setuptools extra:condition syntax
-            extra, condition = extra.split(':', 1)
-
-        extra = pkg_resources.safe_extra(extra)
-        if extra:
-            yield 'Provides-Extra', extra
-            if condition:
-                condition = "(" + condition + ") and "
-            condition += "extra == '%s'" % extra
-
-        if condition:
-            condition = ' ; ' + condition
-
-        for new_req in convert_requirements(depends):
-            yield 'Requires-Dist', new_req + condition
-
-
-def pkginfo_to_metadata(egg_info_path, pkginfo_path):
-    """
-    Convert .egg-info directory with PKG-INFO to the Metadata 2.1 format
-    """
-    pkg_info = read_pkg_info(pkginfo_path)
-    pkg_info.replace_header('Metadata-Version', '2.1')
-    # Those will be regenerated from `requires.txt`.
-    del pkg_info['Provides-Extra']
-    del pkg_info['Requires-Dist']
-    requires_path = os.path.join(egg_info_path, 'requires.txt')
-    if os.path.exists(requires_path):
-        with open(requires_path) as requires_file:
-            requires = requires_file.read()
-
-        parsed_requirements = sorted(pkg_resources.split_sections(requires),
-                                     key=lambda x: x[0] or '')
-        for extra, reqs in parsed_requirements:
-            for key, value in generate_requirements({extra: reqs}):
-                if (key, value) not in pkg_info.items():
-                    pkg_info[key] = value
-
-    description = pkg_info['Description']
-    if description:
-        pkg_info.set_payload(dedent_description(pkg_info))
-        del pkg_info['Description']
-
-    return pkg_info
-
-
-def pkginfo_unicode(pkg_info, field):
-    """Hack to coax Unicode out of an email Message() - Python 3.3+"""
-    text = pkg_info[field]
-    field = field.lower()
-    if not isinstance(text, str):
-        for item in pkg_info.raw_items():
-            if item[0].lower() == field:
-                text = item[1].encode('ascii', 'surrogateescape') \
-                    .decode('utf-8')
-                break
-
-    return text
-
-
-def dedent_description(pkg_info):
-    """
-    Dedent and convert pkg_info['Description'] to Unicode.
-    """
-    description = pkg_info['Description']
-
-    # Python 3 Unicode handling, sorta.
-    surrogates = False
-    if not isinstance(description, str):
-        surrogates = True
-        description = pkginfo_unicode(pkg_info, 'Description')
-
-    description_lines = description.splitlines()
-    description_dedent = '\n'.join(
-        # if the first line of long_description is blank,
-        # the first line here will be indented.
-        (description_lines[0].lstrip(),
-         textwrap.dedent('\n'.join(description_lines[1:])),
-         '\n'))
-
-    if surrogates:
-        description_dedent = description_dedent \
-            .encode("utf8") \
-            .decode("ascii", "surrogateescape")
-
-    return description_dedent