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Rename thread to _thread and dummy_thread to _dummy_thread. Issue #2875.

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This commit is contained in:
Georg Brandl 2008-05-25 13:05:15 +00:00
parent 3b4b45bfe5
commit 2067bfdf25
56 changed files with 161 additions and 169 deletions
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20
Lib/dummy_threading.py
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@ -3,12 +3,12 @@
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.
regardless of whether ``_thread`` was available which is not desired.
"""
from sys import modules as sys_modules
import dummy_thread
import _dummy_thread
# Declaring now so as to not have to nest ``try``s to get proper clean-up.
holding_thread = False
@ -16,15 +16,15 @@ holding_threading = False
holding__threading_local = False
try:
# Could have checked if ``thread`` was not in sys.modules and gone
# 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']
if '_thread' in sys_modules:
held_thread = sys_modules['_thread']
holding_thread = True
# Must have some module named ``thread`` that implements its API
# Must have some module named ``_thread`` that implements its API
# in order to initially import ``threading``.
sys_modules['thread'] = sys_modules['dummy_thread']
sys_modules['_thread'] = sys_modules['_dummy_thread']
if 'threading' in sys_modules:
# If ``threading`` is already imported, might as well prevent
@ -68,11 +68,11 @@ finally:
# Put back ``thread`` if we overwrote, else del the entry we made
if holding_thread:
sys_modules['thread'] = held_thread
sys_modules['_thread'] = held_thread
del held_thread
else:
del sys_modules['thread']
del sys_modules['_thread']
del holding_thread
del dummy_thread
del _dummy_thread
del sys_modules