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-rw-r--r--pym/portage/proxy/lazyimport.py18
1 files changed, 18 insertions, 0 deletions
diff --git a/pym/portage/proxy/lazyimport.py b/pym/portage/proxy/lazyimport.py
index c62f90788..84b2c730b 100644
--- a/pym/portage/proxy/lazyimport.py
+++ b/pym/portage/proxy/lazyimport.py
@@ -20,6 +20,24 @@ if sys.hexversion >= 0x3000000:
_module_proxies = {}
_module_proxies_lock = threading.RLock()
+def _preload_portage_submodules():
+ """
+ Load lazily referenced portage submodules into memory,
+ so imports won't fail during portage upgrade/downgrade.
+ Note that this recursively loads only the modules that
+ are lazily referenced by currently imported modules,
+ so some portage submodules may still remain unimported
+ after this function is called.
+ """
+ while True:
+ remaining = False
+ for name in list(_module_proxies):
+ if name.startswith('portage.'):
+ remaining = True
+ _unregister_module_proxy(name)
+ if not remaining:
+ break
+
def _register_module_proxy(name, proxy):
_module_proxies_lock.acquire()
try: