Switch to python3

Darwin/lib/python3.4/site-packages/pip/commands/uninstall.py

@@ -0,0 +1,59 @@
+from pip.req import InstallRequirement, RequirementSet, parse_requirements
+from pip.basecommand import Command
+from pip.exceptions import InstallationError
+
+
+class UninstallCommand(Command):
+    """
+    Uninstall packages.
+
+    pip is able to uninstall most installed packages. Known exceptions are:
+
+    - Pure distutils packages installed with ``python setup.py install``, which
+      leave behind no metadata to determine what files were installed.
+    - Script wrappers installed by ``python setup.py develop``.
+    """
+    name = 'uninstall'
+    usage = """
+      %prog [options] <package> ...
+      %prog [options] -r <requirements file> ..."""
+    summary = 'Uninstall packages.'
+
+    def __init__(self, *args, **kw):
+        super(UninstallCommand, self).__init__(*args, **kw)
+        self.cmd_opts.add_option(
+            '-r', '--requirement',
+            dest='requirements',
+            action='append',
+            default=[],
+            metavar='file',
+            help='Uninstall all the packages listed in the given requirements file.  '
+            'This option can be used multiple times.')
+        self.cmd_opts.add_option(
+            '-y', '--yes',
+            dest='yes',
+            action='store_true',
+            help="Don't ask for confirmation of uninstall deletions.")
+
+        self.parser.insert_option_group(0, self.cmd_opts)
+
+    def run(self, options, args):
+        session = self._build_session(options)
+
+        requirement_set = RequirementSet(
+            build_dir=None,
+            src_dir=None,
+            download_dir=None,
+            session=session,
+        )
+        for name in args:
+            requirement_set.add_requirement(
+                InstallRequirement.from_line(name))
+        for filename in options.requirements:
+            for req in parse_requirements(filename,
+                    options=options, session=session):
+                requirement_set.add_requirement(req)
+        if not requirement_set.has_requirements:
+            raise InstallationError('You must give at least one requirement '
+                'to %(name)s (see "pip help %(name)s")' % dict(name=self.name))
+        requirement_set.uninstall(auto_confirm=options.yes)