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Lib/site-packages/virtualenv/activation/activator.py

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+from __future__ import absolute_import, unicode_literals
+
+from abc import ABCMeta, abstractmethod
+
+from six import add_metaclass
+
+
+@add_metaclass(ABCMeta)
+class Activator(object):
+    """Generates an activate script for the virtual environment"""
+
+    def __init__(self, options):
+        """Create a new activator generator.
+
+        :param options: the parsed options as defined within :meth:`add_parser_arguments`
+        """
+        self.flag_prompt = options.prompt
+
+    @classmethod
+    def supports(cls, interpreter):
+        """Check if the activation script is supported in the given interpreter.
+
+        :param interpreter: the interpreter we need to support
+        :return: ``True`` if supported, ``False`` otherwise
+        """
+        return True
+
+    @classmethod
+    def add_parser_arguments(cls, parser, interpreter):
+        """
+        Add CLI arguments for this activation script.
+
+        :param parser: the CLI parser
+        :param interpreter: the interpreter this virtual environment is based of
+        """
+
+    @abstractmethod
+    def generate(self, creator):
+        """Generate the activate script for the given creator.
+
+        :param creator: the creator (based of :class:`virtualenv.create.creator.Creator`) we used to create this \
+        virtual environment
+        """
+        raise NotImplementedError