Issue #20383: Introduce importlib.util.module_from_spec().
Along the way, dismantle importlib._bootstrap._SpecMethods as it was
no longer relevant and constructing the new function required
partially dismantling the class anyway.
diff --git a/Lib/imp.py b/Lib/imp.py
index c8449c6..59ce41c 100644
--- a/Lib/imp.py
+++ b/Lib/imp.py
@@ -16,7 +16,7 @@
# Platform doesn't support dynamic loading.
load_dynamic = None
-from importlib._bootstrap import SourcelessFileLoader, _ERR_MSG, _SpecMethods
+from importlib._bootstrap import SourcelessFileLoader, _ERR_MSG, _exec, _load
from importlib import machinery
from importlib import util
@@ -164,11 +164,10 @@
def load_source(name, pathname, file=None):
loader = _LoadSourceCompatibility(name, pathname, file)
spec = util.spec_from_file_location(name, pathname, loader=loader)
- methods = _SpecMethods(spec)
if name in sys.modules:
- module = methods.exec(sys.modules[name])
+ module = _exec(spec, sys.modules[name])
else:
- module = methods.load()
+ module = _load(spec)
# To allow reloading to potentially work, use a non-hacked loader which
# won't rely on a now-closed file object.
module.__loader__ = machinery.SourceFileLoader(name, pathname)
@@ -185,11 +184,10 @@
"""**DEPRECATED**"""
loader = _LoadCompiledCompatibility(name, pathname, file)
spec = util.spec_from_file_location(name, pathname, loader=loader)
- methods = _SpecMethods(spec)
if name in sys.modules:
- module = methods.exec(sys.modules[name])
+ module = _exec(spec, sys.modules[name])
else:
- module = methods.load()
+ module = _load(spec)
# To allow reloading to potentially work, use a non-hacked loader which
# won't rely on a now-closed file object.
module.__loader__ = SourcelessFileLoader(name, pathname)
@@ -210,11 +208,10 @@
raise ValueError('{!r} is not a package'.format(path))
spec = util.spec_from_file_location(name, path,
submodule_search_locations=[])
- methods = _SpecMethods(spec)
if name in sys.modules:
- return methods.exec(sys.modules[name])
+ return _exec(spec, sys.modules[name])
else:
- return methods.load()
+ return _load(spec)
def load_module(name, file, filename, details):