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Diffstat (limited to 'Doc/reference/datamodel.rst')
| -rw-r--r-- | Doc/reference/datamodel.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst index 3d1d26d..9643f2b 100644 --- a/Doc/reference/datamodel.rst +++ b/Doc/reference/datamodel.rst @@ -654,6 +654,13 @@ Modules Special read-only attribute: :attr:`__dict__` is the module's namespace as a dictionary object. + .. impl-detail:: + + Because of the way CPython clears module dictionaries, the module + dictionary will be cleared when the module falls out of scope even if the + dictionary still has live references. To avoid this, copy the dictionary + or keep the module around while using its dictionary directly. + .. index:: single: __name__ (module attribute) single: __doc__ (module attribute) |