import os
import sys
from sqlobject.compat import load_module_from_file
def load_module(module_name):
mod = __import__(module_name)
components = module_name.split('.')
for comp in components[1:]:
mod = getattr(mod, comp)
return mod
def load_module_from_name(filename, module_name):
if module_name in sys.modules:
return sys.modules[module_name]
init_filename = os.path.join(os.path.dirname(filename), '__init__.py')
if not os.path.exists(init_filename):
try:
f = open(init_filename, 'w')
except (OSError, IOError) as e:
raise IOError(
'Cannot write __init__.py file into directory %s (%s)\n'
% (os.path.dirname(filename), e))
f.write('#\n')
f.close()
if module_name in sys.modules:
return sys.modules[module_name]
if '.' in module_name:
parent_name = '.'.join(module_name.split('.')[:-1])
base_name = module_name.split('.')[-1]
load_module_from_name(os.path.dirname(filename), parent_name)
else:
base_name = module_name
return load_module_from_file(base_name, module_name, filename)
