openstack/deb-python-eventlet
Code Issues Proposed changes

Improved patcher so as to not require make_original.

Browse Source
This commit is contained in:
Ryan Williams
2010-02-24 00:44:55 -05:00
parent a36fcbf30b
commit ee682dab93
1 changed files with 10 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
eventlet/patcher.py
View File

@@ -98,21 +98,19 @@ def patch_function(func, *additional_modules):
return patched
_originals = {}
class DummyModule(object):
pass
def make_original(modname):
orig_mod = __import__(modname)
dummy_mod = DummyModule()
for attr in dir(orig_mod):
setattr(dummy_mod, attr, getattr(orig_mod, attr))
_originals[modname] = dummy_mod
def original(modname):
mod = _originals.get(modname)
if mod is None:
make_original(modname)
mod = _originals.get(modname)
return mod
# re-import the "pure" module and store it in the global _originals
# dict; be sure to restore whatever module had that name already
current_mod = sys.modules.pop(modname, None)
try:
real_mod = __import__(modname, {}, {}, modname.split('.')[:-1])
_originals[modname] = real_mod
finally:
if current_mod is not None:
sys.modules[modname] = current_mod
return _originals.get(modname)
already_patched = {}
def monkey_patch(all=True, os=False, select=False,
@@ -134,14 +132,12 @@ def monkey_patch(all=True, os=False, select=False,
modules_to_patch += _green_os_modules()
already_patched['os'] = True
if all or select and not already_patched.get('select'):
make_original('select')
modules_to_patch += _green_select_modules()
already_patched['select'] = True
if all or socket and not already_patched.get('socket'):
modules_to_patch += _green_socket_modules()
already_patched['socket'] = True
if all or thread and not already_patched.get('thread'):
make_original('threading')
# hacks ahead
threading = original('threading')
import eventlet.green.threading as greenthreading
@@ -149,7 +145,6 @@ def monkey_patch(all=True, os=False, select=False,
modules_to_patch += _green_thread_modules()
already_patched['thread'] = True
if all or time and not already_patched.get('time'):
make_original('time')
modules_to_patch += _green_time_modules()
already_patched['time'] = True