--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/planemo/lib/python3.7/site-packages/importlib_metadata/_compat.py	Fri Jul 31 00:32:28 2020 -0400
@@ -0,0 +1,152 @@
+from __future__ import absolute_import, unicode_literals
+
+import io
+import abc
+import sys
+import email
+
+
+if sys.version_info > (3,):  # pragma: nocover
+    import builtins
+    from configparser import ConfigParser
+    import contextlib
+    FileNotFoundError = builtins.FileNotFoundError
+    IsADirectoryError = builtins.IsADirectoryError
+    NotADirectoryError = builtins.NotADirectoryError
+    PermissionError = builtins.PermissionError
+    map = builtins.map
+    from itertools import filterfalse
+else:  # pragma: nocover
+    from backports.configparser import ConfigParser
+    from itertools import imap as map  # type: ignore
+    from itertools import ifilterfalse as filterfalse
+    import contextlib2 as contextlib
+    FileNotFoundError = IOError, OSError
+    IsADirectoryError = IOError, OSError
+    NotADirectoryError = IOError, OSError
+    PermissionError = IOError, OSError
+
+str = type('')
+
+suppress = contextlib.suppress
+
+if sys.version_info > (3, 5):  # pragma: nocover
+    import pathlib
+else:  # pragma: nocover
+    import pathlib2 as pathlib
+
+try:
+    ModuleNotFoundError = builtins.FileNotFoundError
+except (NameError, AttributeError):  # pragma: nocover
+    ModuleNotFoundError = ImportError  # type: ignore
+
+
+if sys.version_info >= (3,):  # pragma: nocover
+    from importlib.abc import MetaPathFinder
+else:  # pragma: nocover
+    class MetaPathFinder(object):
+        __metaclass__ = abc.ABCMeta
+
+
+__metaclass__ = type
+__all__ = [
+    'install', 'NullFinder', 'MetaPathFinder', 'ModuleNotFoundError',
+    'pathlib', 'ConfigParser', 'map', 'suppress', 'FileNotFoundError',
+    'NotADirectoryError', 'email_message_from_string',
+    ]
+
+
+def install(cls):
+    """
+    Class decorator for installation on sys.meta_path.
+
+    Adds the backport DistributionFinder to sys.meta_path and
+    attempts to disable the finder functionality of the stdlib
+    DistributionFinder.
+    """
+    sys.meta_path.append(cls())
+    disable_stdlib_finder()
+    return cls
+
+
+def disable_stdlib_finder():
+    """
+    Give the backport primacy for discovering path-based distributions
+    by monkey-patching the stdlib O_O.
+
+    See #91 for more background for rationale on this sketchy
+    behavior.
+    """
+    def matches(finder):
+        return (
+            getattr(finder, '__module__', None) == '_frozen_importlib_external'
+            and hasattr(finder, 'find_distributions')
+            )
+    for finder in filter(matches, sys.meta_path):  # pragma: nocover
+        del finder.find_distributions
+
+
+class NullFinder:
+    """
+    A "Finder" (aka "MetaClassFinder") that never finds any modules,
+    but may find distributions.
+    """
+    @staticmethod
+    def find_spec(*args, **kwargs):
+        return None
+
+    # In Python 2, the import system requires finders
+    # to have a find_module() method, but this usage
+    # is deprecated in Python 3 in favor of find_spec().
+    # For the purposes of this finder (i.e. being present
+    # on sys.meta_path but having no other import
+    # system functionality), the two methods are identical.
+    find_module = find_spec
+
+
+def py2_message_from_string(text):  # nocoverpy3
+    # Work around https://bugs.python.org/issue25545 where
+    # email.message_from_string cannot handle Unicode on Python 2.
+    io_buffer = io.StringIO(text)
+    return email.message_from_file(io_buffer)
+
+
+email_message_from_string = (
+    py2_message_from_string
+    if sys.version_info < (3,) else
+    email.message_from_string
+    )
+
+
+class PyPy_repr:
+    """
+    Override repr for EntryPoint objects on PyPy to avoid __iter__ access.
+    Ref #97, #102.
+    """
+    affected = hasattr(sys, 'pypy_version_info')
+
+    def __compat_repr__(self):  # pragma: nocover
+        def make_param(name):
+            value = getattr(self, name)
+            return '{name}={value!r}'.format(**locals())
+        params = ', '.join(map(make_param, self._fields))
+        return 'EntryPoint({params})'.format(**locals())
+
+    if affected:  # pragma: nocover
+        __repr__ = __compat_repr__
+    del affected
+
+
+# from itertools recipes
+def unique_everseen(iterable):  # pragma: nocover
+    "List unique elements, preserving order. Remember all elements ever seen."
+    seen = set()
+    seen_add = seen.add
+
+    for element in filterfalse(seen.__contains__, iterable):
+        seen_add(element)
+        yield element
+
+
+unique_ordered = (
+    unique_everseen if sys.version_info < (3, 7) else dict.fromkeys)