def fetch_hooks(self,api_method):
"""
Fetch a list of hook functions for a certain api method.
"""
rx_sep=re.compile('[\./]')
parts = rx_sep.split(api_method)
hooks = {}
# loop hook paths
for p in self.path:
hook_path = os.path.join(p,os.path.join(*parts))
if os.path.exists(hook_path):
# the api_path has a corresponding hook dir run through the files
for f in os.listdir(hook_path):
# parse the hook file
hookfile = os.path.join(hook_path,f)
try:
hookfile = os.path.join(hook_path,f)
exec(open(os.path.join(hook_path,f)).read())
except Exception, e:
log.write('Failed to parse "%s": %s' % (f,e),context="hooks")
continue
# Check for required hook function
if locals().has_key('hook'):
# add the hook to the list of hooks
hooks[hookfile] = hook
# remove the hook func from locals
locals().pop('hook')
def call_hooks(self,api_method,**args):
hooks = self.fetch_hooks(api_method)
for f,h in hooks.items():
try:
h(**args)
except Exception, e:
log.write('Failed while executing "%s": %s' % (f,e),context="hooks")
continue
