Take the TOOLS_VIRTUALENV_CACHE_SEED environmental variable into account when calculating the virtual environments cache hash.

Fixes #23

Signed-off-by: Pedro Algarvio <[email protected]>

Author: s0undt3ch

changelog/23.improvement.rst

@@ -0,0 +1 @@
+Take the `TOOLS_VIRTUALENV_CACHE_SEED` environmental variable into account when calculating the virtual environments cache hash.

src/ptscripts/virtualenv.py

@@ -105,6 +105,8 @@ def _default_venv_bin_dir(self):
     @requirements_hash.default
     def __default_requirements_hash(self):
         requirements_hash = hashlib.sha256(self.name.encode())
+        hash_seed = os.environ.get("TOOLS_VIRTUALENV_CACHE_SEED", "")
+        requirements_hash.update(hash_seed.encode())
         if self.requirements:
             for requirement in sorted(self.requirements):
                 requirements_hash.update(requirement.encode())