diff env/lib/python3.9/site-packages/pip/_internal/distributions/installed.py @ 0:4f3585e2f14b draft default tip

"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/env/lib/python3.9/site-packages/pip/_internal/distributions/installed.py	Mon Mar 22 18:12:50 2021 +0000
@@ -0,0 +1,25 @@
+from pip._internal.distributions.base import AbstractDistribution
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+
+if MYPY_CHECK_RUNNING:
+    from typing import Optional
+
+    from pip._vendor.pkg_resources import Distribution
+
+    from pip._internal.index.package_finder import PackageFinder
+
+
+class InstalledDistribution(AbstractDistribution):
+    """Represents an installed package.
+
+    This does not need any preparation as the required information has already
+    been computed.
+    """
+
+    def get_pkg_resources_distribution(self):
+        # type: () -> Optional[Distribution]
+        return self.req.satisfied_by
+
+    def prepare_distribution_metadata(self, finder, build_isolation):
+        # type: (PackageFinder, bool) -> None
+        pass