mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-11-16 10:00:39 +00:00
101 lines
3.3 KiB
Python
101 lines
3.3 KiB
Python
|
import sys
|
||
|
|
import types
|
||
|
|
import toolz
|
||
|
|
from toolz.compatibility import import_module
|
||
|
|
|
||
|
|
|
||
|
|
class TlzLoader(object):
|
||
|
|
""" Finds and loads ``tlz`` modules when added to sys.meta_path"""
|
||
|
|
def __init__(self):
|
||
|
|
self.always_from_toolz = set([
|
||
|
|
toolz.pipe,
|
||
|
|
])
|
||
|
|
|
||
|
|
def _load_toolz(self, fullname):
|
||
|
|
rv = {}
|
||
|
|
package, dot, submodules = fullname.partition('.')
|
||
|
|
try:
|
||
|
|
module_name = ''.join(['cytoolz', dot, submodules])
|
||
|
|
rv['cytoolz'] = import_module(module_name)
|
||
|
|
except ImportError:
|
||
|
|
pass
|
||
|
|
try:
|
||
|
|
module_name = ''.join(['toolz', dot, submodules])
|
||
|
|
rv['toolz'] = import_module(module_name)
|
||
|
|
except ImportError:
|
||
|
|
pass
|
||
|
|
if not rv:
|
||
|
|
raise ImportError(fullname)
|
||
|
|
return rv
|
||
|
|
|
||
|
|
def find_module(self, fullname, path=None): # pragma: py3 no cover
|
||
|
|
package, dot, submodules = fullname.partition('.')
|
||
|
|
if package == 'tlz':
|
||
|
|
return self
|
||
|
|
|
||
|
|
def load_module(self, fullname): # pragma: py3 no cover
|
||
|
|
if fullname in sys.modules: # pragma: no cover
|
||
|
|
return sys.modules[fullname]
|
||
|
|
spec = TlzSpec(fullname, self)
|
||
|
|
module = self.create_module(spec)
|
||
|
|
sys.modules[fullname] = module
|
||
|
|
self.exec_module(module)
|
||
|
|
return module
|
||
|
|
|
||
|
|
def find_spec(self, fullname, path, target=None): # pragma: no cover
|
||
|
|
package, dot, submodules = fullname.partition('.')
|
||
|
|
if package == 'tlz':
|
||
|
|
return TlzSpec(fullname, self)
|
||
|
|
|
||
|
|
def create_module(self, spec):
|
||
|
|
return types.ModuleType(spec.name)
|
||
|
|
|
||
|
|
def exec_module(self, module):
|
||
|
|
toolz_mods = self._load_toolz(module.__name__)
|
||
|
|
fast_mod = toolz_mods.get('cytoolz') or toolz_mods['toolz']
|
||
|
|
slow_mod = toolz_mods.get('toolz') or toolz_mods['cytoolz']
|
||
|
|
module.__dict__.update(toolz.merge(fast_mod.__dict__, module.__dict__))
|
||
|
|
package = fast_mod.__package__
|
||
|
|
if package is not None:
|
||
|
|
package, dot, submodules = package.partition('.')
|
||
|
|
module.__package__ = ''.join(['tlz', dot, submodules])
|
||
|
|
if not module.__doc__:
|
||
|
|
module.__doc__ = fast_mod.__doc__
|
||
|
|
|
||
|
|
# show file from toolz during introspection
|
||
|
|
module.__file__ = slow_mod.__file__
|
||
|
|
|
||
|
|
for k, v in fast_mod.__dict__.items():
|
||
|
|
tv = slow_mod.__dict__.get(k)
|
||
|
|
try:
|
||
|
|
hash(tv)
|
||
|
|
except TypeError:
|
||
|
|
tv = None
|
||
|
|
if tv in self.always_from_toolz:
|
||
|
|
module.__dict__[k] = tv
|
||
|
|
elif (
|
||
|
|
isinstance(v, types.ModuleType)
|
||
|
|
and v.__package__ == fast_mod.__name__
|
||
|
|
):
|
||
|
|
package, dot, submodules = v.__name__.partition('.')
|
||
|
|
module_name = ''.join(['tlz', dot, submodules])
|
||
|
|
submodule = import_module(module_name)
|
||
|
|
module.__dict__[k] = submodule
|
||
|
|
|
||
|
|
|
||
|
|
class TlzSpec(object):
|
||
|
|
def __init__(self, name, loader):
|
||
|
|
self.name = name
|
||
|
|
self.loader = loader
|
||
|
|
self.origin = None
|
||
|
|
self.submodule_search_locations = []
|
||
|
|
self.loader_state = None
|
||
|
|
self.cached = None
|
||
|
|
self.parent = None
|
||
|
|
self.has_location = False
|
||
|
|
|
||
|
|
|
||
|
|
tlz_loader = TlzLoader()
|
||
|
|
sys.meta_path.append(tlz_loader)
|
||
|
|
tlz_loader.exec_module(sys.modules['tlz'])
|