miracle091/SafeEyes
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Code Issues Releases Wiki Activity

Initialize thread pool only if there are plugins

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This commit is contained in:
Gobinath 2017-04-21 10:33:24 -04:00
parent 5e9f68ff44
commit a1b3f6e094
1 changed files with 56 additions and 48 deletions
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10
safeeyes/Plugins.py
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@ -35,7 +35,6 @@ class Plugins:
"""
logging.info('Load all the plugins')
self.__plugins = []
self.__thread_pool = ThreadPool(4)
for plugin in config['plugins']:
if plugin['location'].lower() in ['left', 'right']:
@ -50,11 +49,16 @@ class Plugins:
else:
logging.warning('Ignoring the plugin ' + str(plugin['name']) + ' due to invalid location value: ' + plugin['location'])
print(min([4, len(self.__plugins)]))
if self.__plugins:
self.__thread_pool = ThreadPool(min([4, len(self.__plugins)]))
def start(self, context):
"""
Call the start function of all the plugins in separate thread.
"""
if self.__plugins:
context = copy.deepcopy(context) # If plugins change the context, it should not affect Safe Eyes
for plugin in self.__plugins:
try:
@ -66,6 +70,7 @@ class Plugins:
"""
Call the pre_notification function of all the plugins in separate thread.
"""
if self.__plugins:
context = copy.deepcopy(context) # If plugins change the context, it should not affect Safe Eyes
for plugin in self.__plugins:
try:
@ -81,6 +86,7 @@ class Plugins:
Returns: {'left': 'Markup of plugins to be aligned on left', 'right': 'Markup of plugins to be aligned on right' }
"""
if self.__plugins:
context = copy.deepcopy(context) # If plugins change the context, it should not affect Safe Eyes
output = {'left': ' \n', 'right': ' \n'}
multiple_results = [self.__thread_pool.apply_async(plugin['module'].pre_break, (context,)) for plugin in self.__plugins]
@ -105,6 +111,7 @@ class Plugins:
"""
Call the post_break function of all the plugins in separate thread.
"""
if self.__plugins:
context = copy.deepcopy(context) # If plugins change the context, it should not affect Safe Eyes
for plugin in self.__plugins:
try:
@ -116,6 +123,7 @@ class Plugins:
"""
Call the exit function of all the plugins in separate thread.
"""
if self.__plugins:
context = copy.deepcopy(context) # If plugins change the context, it should not affect Safe Eyes
# Give maximum 1 sec for all plugins before terminating the thread pool