How to use the invoke.Collection.from_module function in invoke

def explicit_namespace_works_correctly(self):
            # Regression-ish test re #288
            ns = Collection.from_module(load("integration"))
            expect("print-foo", out="foo\n", program=Program(namespace=ns))

def _load(self, name):
        mod, _ = self.loader.load(name)
        return Collection.from_module(mod)

# -----------------------------------------------------------------------------
# TASKS:
# -----------------------------------------------------------------------------
# None


# -----------------------------------------------------------------------------
# TASK CONFIGURATION:
# -----------------------------------------------------------------------------
namespace = Collection()
# DISABLED: namespace.add_task(clean.clean)
# DISABLED: namespace.add_task(clean.clean_all)
namespace.add_collection(Collection.from_module(cleanup), name="cleanup")
namespace.add_collection(Collection.from_module(docs))
namespace.add_collection(Collection.from_module(test))
namespace.add_collection(Collection.from_module(release))
namespace.add_collection(Collection.from_module(develop))
cleanup.cleanup_tasks.add_task(cleanup.clean_python)

cleanup.cleanup_tasks.add_task(cleanup.clean_python)

# -- INJECT: clean configuration into this namespace
namespace.configure(cleanup.namespace.configuration())
if sys.platform.startswith("win"):
    # -- OVERRIDE SETTINGS: For platform=win32, ... (Windows)
    from ._compat_shutil import which
    run_settings = dict(echo=True, pty=False, shell=which("cmd"))
    namespace.configure({"run": run_settings})
else:
    namespace.configure({"run": dict(echo=True, pty=True)})

# -----------------------------------------------------------------------------
# TASKS:
# -----------------------------------------------------------------------------
# None


# -----------------------------------------------------------------------------
# TASK CONFIGURATION:
# -----------------------------------------------------------------------------
namespace = Collection()
# DISABLED: namespace.add_task(clean.clean)
# DISABLED: namespace.add_task(clean.clean_all)
namespace.add_collection(Collection.from_module(cleanup), name="cleanup")
namespace.add_collection(Collection.from_module(docs))
namespace.add_collection(Collection.from_module(test))
namespace.add_collection(Collection.from_module(release))
namespace.add_collection(Collection.from_module(develop))
cleanup.cleanup_tasks.add_task(cleanup.clean_python)

cleanup.cleanup_tasks.add_task(cleanup.clean_python)

# -- INJECT: clean configuration into this namespace
namespace.configure(cleanup.namespace.configuration())
if sys.platform.startswith("win"):
    # -- OVERRIDE SETTINGS: For platform=win32, ... (Windows)
    from ._compat_shutil import which
    run_settings = dict(echo=True, pty=False, shell=which("cmd"))
    namespace.configure({"run": run_settings})
else:
    namespace.configure({"run": dict(echo=True, pty=True)})

# gets the root path for all the scripts that rely on it
HERE = os.path.abspath(os.path.join(os.path.dirname(os.path.abspath(__file__)), '..'))
WHEELHOUSE_PATH = os.environ.get('WHEELHOUSE')
CONSTRAINTS_PATH = os.path.join(HERE, 'requirements', 'constraints.txt')
NO_TESTS_COLLECTED = 5
ns = Collection()

try:
    from tasks import local as local_tasks
    ns.add_collection(Collection.from_module(local_tasks), name='local')
except ImportError:
    pass

try:
    from admin import tasks as admin_tasks
    ns.add_collection(Collection.from_module(admin_tasks), name='admin')
except ImportError:
    pass


def task(*args, **kwargs):
    """Behaves the same way as invoke.task. Adds the task
    to the root namespace.
    """
    if len(args) == 1 and callable(args[0]):
        new_task = invoke.task(args[0])
        ns.add_task(new_task)
        return new_task

    def decorator(f):
        new_task = invoke.task(f, *args, **kwargs)
        ns.add_task(new_task)

# TASKS:
# -----------------------------------------------------------------------------
# None


# -----------------------------------------------------------------------------
# TASK CONFIGURATION:
# -----------------------------------------------------------------------------
namespace = Collection()
# DISABLED: namespace.add_task(clean.clean)
# DISABLED: namespace.add_task(clean.clean_all)
namespace.add_collection(Collection.from_module(cleanup), name="cleanup")
namespace.add_collection(Collection.from_module(docs))
namespace.add_collection(Collection.from_module(test))
namespace.add_collection(Collection.from_module(release))
namespace.add_collection(Collection.from_module(develop))
cleanup.cleanup_tasks.add_task(cleanup.clean_python)

cleanup.cleanup_tasks.add_task(cleanup.clean_python)

# -- INJECT: clean configuration into this namespace
namespace.configure(cleanup.namespace.configuration())
if sys.platform.startswith("win"):
    # -- OVERRIDE SETTINGS: For platform=win32, ... (Windows)
    from ._compat_shutil import which
    run_settings = dict(echo=True, pty=False, shell=which("cmd"))
    namespace.configure({"run": run_settings})
else:
    namespace.configure({"run": dict(echo=True, pty=True)})

from invoke import Collection
from invoke import Failure
from invoke import task

from sirbot import DATA
from tasks.docker import base
from tasks.docker import gunicorn
from tasks.helpers import run_cmd, container_rm, image_rm, container_stop, \
    image_build, get_cache_string, get_tag

ns = Collection()
ns.add_collection(Collection.from_module(base))
ns.add_collection(Collection.from_module(gunicorn))

NAMESPACE = DATA['author'].lower()
APP = 'api'
TAG = 'latest'
CACHE = ''


@task(pre=[gunicorn.build], default=True)
def build(ctx, invalidate_cache=False):
    """Build the brand social app image"""
    tag = '{NAMESPACE}/{APP}:{TAG} .'.format(**globals())
    image_build(ctx, tag, get_cache_string(invalidate_cache))


@task(build)
def up(ctx):

from invoke import Collection

from . import docs
from . import image
from . import test
from . import env
from . import build
from .utils import set_root

ns = Collection()
ns.add_collection(Collection.from_module(image))
ns.add_collection(Collection.from_module(docs))
ns.add_collection(Collection.from_module(test))
ns.add_collection(Collection.from_module(env))
ns.add_collection(Collection.from_module(build))

set_root()