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Fix error mentioned in #152 (Pyro4 shouldn't be a dependency)

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This commit is contained in:
Anders Ingemann 2015-04-12 09:40:09 +02:00
parent d9adb293eb
commit f1e4d34eb9
1 changed files with 9 additions and 4 deletions
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13
bootstrapvz/base/tasklist.py
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@ -117,7 +117,8 @@ def get_all_tasks():
# Get a generator that returns all classes in the package # Get a generator that returns all classes in the package
import os.path import os.path
pkg_path = os.path.normpath(os.path.join(os.path.dirname(__file__), '..')) pkg_path = os.path.normpath(os.path.join(os.path.dirname(__file__), '..'))
classes = get_all_classes(pkg_path, 'bootstrapvz.') exclude_pkgs = ['bootstrapvz.base', 'bootstrapvz.remote']
classes = get_all_classes(pkg_path, 'bootstrapvz.', exclude_pkgs)
# lambda function to check whether a class is a task (excluding the superclass Task) # lambda function to check whether a class is a task (excluding the superclass Task)
def is_task(obj): def is_task(obj):
@ -126,11 +127,12 @@ def get_all_tasks():
return filter(is_task, classes) # Only return classes that are tasks return filter(is_task, classes) # Only return classes that are tasks
def get_all_classes(path=None, prefix=''): def get_all_classes(path=None, prefix='', excludes=[]):
""" Given a path to a package, this function retrieves all the classes in it """ Given a path to a package, this function retrieves all the classes in it
:param str path: Path to the package :param str path: Path to the package
:param str prefix: Name of the package followed by a dot :param str prefix: Name of the package followed by a dot
:param list excludes: List of str matching module names that should be ignored
:return: A generator that yields classes :return: A generator that yields classes
:rtype: generator :rtype: generator
:raises Exception: If a module cannot be inspected. :raises Exception: If a module cannot be inspected.
@ -139,10 +141,13 @@ def get_all_classes(path=None, prefix=''):
import importlib import importlib
import inspect import inspect
def walk_error(module): def walk_error(module_name):
raise Exception('Unable to inspect module ' + module) if not any(map(lambda excl: module_name.startswith(excl), excludes)):
raise Exception('Unable to inspect module ' + module_name)
walker = pkgutil.walk_packages([path], prefix, walk_error) walker = pkgutil.walk_packages([path], prefix, walk_error)
for _, module_name, _ in walker: for _, module_name, _ in walker:
if any(map(lambda excl: module_name.startswith(excl), excludes)):
continue
module = importlib.import_module(module_name) module = importlib.import_module(module_name)
classes = inspect.getmembers(module, inspect.isclass) classes = inspect.getmembers(module, inspect.isclass)
for class_name, obj in classes: for class_name, obj in classes: