force recreation of venv if it is not sane (#286) (#1797)

* change (env.py): force recreation of venv if it is not sane * new (env): add warning when forcing recreation * fix (env): warning about broken venv placed right before calling recreation * Update poetry/utils/env.py Co-Authored-By: Sébastien Eustace <[email protected]> Co-authored-by: Sébastien Eustace <[email protected]>
python-poetry · Jan 9, 2020 · cbb1c18 · cbb1c18
1 parent 4fe3c52
commit cbb1c18
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/poetry/utils/env.py b/poetry/utils/env.py
@@ -473,6 +473,10 @@ def create_venv(
 
         cwd = self._poetry.file.parent
         env = self.get(reload=True)
+
+        if not env.is_sane():
+            force = True
+
         if env.is_venv() and not force:
             # Already inside a virtualenv.
             return env
@@ -606,6 +610,12 @@ def create_venv(
             self.build_venv(str(venv), executable=executable)
         else:
             if force:
+                if not env.is_sane():
+                    io.write_line(
+                        "<warning>The virtual environment found in {} seems to be broken.</warning>".format(
+                            env.path
+                        )
+                    )
                 io.write_line(
                     "Recreating virtualenv <c1>{}</> in {}".format(name, str(venv))
                 )