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| author | darylm503 <darylm503@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-04-16 22:12:42 +0000 |
|---|---|---|
| committer | darylm503 <darylm503@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-04-16 22:12:42 +0000 |
| commit | 4710c53dcad1ebf3755f3efb9e80ac24bd72a9b2 (patch) | |
| tree | 2d17d2388a78082e32f6a97120d707328143543b /AppPkg/Applications/Python/Python-2.7.2/Lib/dummy_threading.py | |
| parent | cbc6b5e54599c7391ece99ad3c5313f4dd4ddda6 (diff) | |
| download | edk2-platforms-4710c53dcad1ebf3755f3efb9e80ac24bd72a9b2.tar.xz | |
AppPkg/Applications/Python: Add Python 2.7.2 sources since the release of Python 2.7.3 made them unavailable from the python.org web site.
These files are a subset of the python-2.7.2.tgz distribution from python.org. Changed files from PyMod-2.7.2 have been copied into the corresponding directories of this tree, replacing the original files in the distribution.
Signed-off-by: daryl.mcdaniel@intel.com
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13197 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'AppPkg/Applications/Python/Python-2.7.2/Lib/dummy_threading.py')
| -rw-r--r-- | AppPkg/Applications/Python/Python-2.7.2/Lib/dummy_threading.py | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/AppPkg/Applications/Python/Python-2.7.2/Lib/dummy_threading.py b/AppPkg/Applications/Python/Python-2.7.2/Lib/dummy_threading.py new file mode 100644 index 0000000000..cfd066e430 --- /dev/null +++ b/AppPkg/Applications/Python/Python-2.7.2/Lib/dummy_threading.py @@ -0,0 +1,78 @@ +"""Faux ``threading`` version using ``dummy_thread`` instead of ``thread``.
+
+The module ``_dummy_threading`` is added to ``sys.modules`` in order
+to not have ``threading`` considered imported. Had ``threading`` been
+directly imported it would have made all subsequent imports succeed
+regardless of whether ``thread`` was available which is not desired.
+
+"""
+from sys import modules as sys_modules
+
+import dummy_thread
+
+# Declaring now so as to not have to nest ``try``s to get proper clean-up.
+holding_thread = False
+holding_threading = False
+holding__threading_local = False
+
+try:
+ # Could have checked if ``thread`` was not in sys.modules and gone
+ # a different route, but decided to mirror technique used with
+ # ``threading`` below.
+ if 'thread' in sys_modules:
+ held_thread = sys_modules['thread']
+ holding_thread = True
+ # Must have some module named ``thread`` that implements its API
+ # in order to initially import ``threading``.
+ sys_modules['thread'] = sys_modules['dummy_thread']
+
+ if 'threading' in sys_modules:
+ # If ``threading`` is already imported, might as well prevent
+ # trying to import it more than needed by saving it if it is
+ # already imported before deleting it.
+ held_threading = sys_modules['threading']
+ holding_threading = True
+ del sys_modules['threading']
+
+ if '_threading_local' in sys_modules:
+ # If ``_threading_local`` is already imported, might as well prevent
+ # trying to import it more than needed by saving it if it is
+ # already imported before deleting it.
+ held__threading_local = sys_modules['_threading_local']
+ holding__threading_local = True
+ del sys_modules['_threading_local']
+
+ import threading
+ # Need a copy of the code kept somewhere...
+ sys_modules['_dummy_threading'] = sys_modules['threading']
+ del sys_modules['threading']
+ sys_modules['_dummy__threading_local'] = sys_modules['_threading_local']
+ del sys_modules['_threading_local']
+ from _dummy_threading import *
+ from _dummy_threading import __all__
+
+finally:
+ # Put back ``threading`` if we overwrote earlier
+
+ if holding_threading:
+ sys_modules['threading'] = held_threading
+ del held_threading
+ del holding_threading
+
+ # Put back ``_threading_local`` if we overwrote earlier
+
+ if holding__threading_local:
+ sys_modules['_threading_local'] = held__threading_local
+ del held__threading_local
+ del holding__threading_local
+
+ # Put back ``thread`` if we overwrote, else del the entry we made
+ if holding_thread:
+ sys_modules['thread'] = held_thread
+ del held_thread
+ else:
+ del sys_modules['thread']
+ del holding_thread
+
+ del dummy_thread
+ del sys_modules
|