python - Import error "no module named": When importing dynamic class -

all,

i'm putting system needs dynamically load modules , create instances of class within.

my code is:

tokens = os.path.splitext("a.b.c") try:     module_str     = str(tokens[0])     task_class_str = str(tokens[1][1:])                  module         = __import__(module_str, fromlist=[task_class_str])     task_class     = getattr(module, task_class_str) except exception, e:     stdout.error("failed import task module", module=module_str, task_class=task_class_str, exception=e)     continue  try:     task       = task_class(task) except exception, e:     stdout.error("failed create task", task=task, module=module, task_class=task_class, exception=e)     continue 

the error is:

[error]: 'failed create task' task_class=<class a.b.c @ 0x7fd3beb13e88> exception=importerror('no module named c',) task=<d.e instance @ 0x25700e0> module=<module 'a.b' '.../a/b/__init__.pyc'> 

the definition of class c contained in a/b/__init__.py. why trying import class module when logging shows class bound?

when creating task object with

task = task_class(task) 

task not initialized. trying instead?:

task = task_class() 

also said definition of c in "init.py". way code reads file "a.b.py" instead.