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Lib/site-packages/pipenv/vendor/click_didyoumean/LICENSE

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+Copyright (c) 2016 Timo Furrer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

Lib/site-packages/pipenv/vendor/click_didyoumean/__init__.py

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+# -*- coding: utf-8 -*-
+
+"""
+    Extension for the python ``click`` module to provide
+    a group with a git-like *did-you-mean* feature.
+"""
+
+import click
+import difflib
+
+__version__ = "0.0.3"
+
+
+class DYMMixin(object):  # pylint: disable=too-few-public-methods
+    """
+    Mixin class for click MultiCommand inherited classes
+    to provide git-like *did-you-mean* functionality when
+    a certain command is not registered.
+    """
+    def __init__(self, *args, **kwargs):
+        self.max_suggestions = kwargs.pop("max_suggestions", 3)
+        self.cutoff = kwargs.pop("cutoff", 0.5)
+        super(DYMMixin, self).__init__(*args, **kwargs)
+
+    def resolve_command(self, ctx, args):
+        """
+        Overrides clicks ``resolve_command`` method
+        and appends *Did you mean ...* suggestions
+        to the raised exception message.
+        """
+        original_cmd_name = click.utils.make_str(args[0])
+
+        try:
+            return super(DYMMixin, self).resolve_command(ctx, args)
+        except click.exceptions.UsageError as error:
+            error_msg = str(error)
+            matches = difflib.get_close_matches(original_cmd_name,
+                                                self.list_commands(ctx), self.max_suggestions, self.cutoff)
+            if matches:
+                error_msg += '\n\nDid you mean one of these?\n    %s' % '\n    '.join(matches)  # pylint: disable=line-too-long
+
+            raise click.exceptions.UsageError(error_msg, error.ctx)
+
+
+class DYMGroup(DYMMixin, click.Group):  # pylint: disable=too-many-public-methods
+    """
+    click Group to provide git-like
+    *did-you-mean* functionality when a certain
+    command is not found in the group.
+    """
+
+
+class DYMCommandCollection(DYMMixin, click.CommandCollection):  # pylint: disable=too-many-public-methods
+    """
+    click CommandCollection to provide git-like
+    *did-you-mean* functionality when a certain
+    command is not found in the group.
+    """