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-rw-r--r--Modules/getpath.py11
1 files changed, 11 insertions, 0 deletions
diff --git a/Modules/getpath.py b/Modules/getpath.py
index 7949fd8..b14f985 100644
--- a/Modules/getpath.py
+++ b/Modules/getpath.py
@@ -363,10 +363,20 @@ if not home and not py_setpath:
venv_prefix = None
pyvenvcfg = []
+ # Search for the 'home' key in pyvenv.cfg. Currently, we don't consider the
+ # presence of a pyvenv.cfg file without a 'home' key to signify the
+ # existence of a virtual environment — we quietly ignore them.
+ # XXX: If we don't find a 'home' key, we don't look for another pyvenv.cfg!
for line in pyvenvcfg:
key, had_equ, value = line.partition('=')
if had_equ and key.strip().lower() == 'home':
+ # Override executable_dir/real_executable_dir with the value from 'home'.
+ # These values may be later used to calculate prefix/base_prefix, if a more
+ # reliable source — like the runtime library (libpython) path — isn't available.
executable_dir = real_executable_dir = value.strip()
+ # If base_executable — which points to the Python interpreted from
+ # the base installation — isn't set (eg. when embedded), try to find
+ # it in 'home'.
if not base_executable:
# First try to resolve symlinked executables, since that may be
# more accurate than assuming the executable in 'home'.
@@ -400,6 +410,7 @@ if not home and not py_setpath:
break
break
else:
+ # We didn't find a 'home' key in pyvenv.cfg (no break), reset venv_prefix.
venv_prefix = None