> __import__ already has a 'level' argument.
>
doh! maybe "context" is better, then.
> Not without frame inspection to know what import statements are in the
> context manager's block.
>
>
I don't doubt you know what you're talking about, so this is a learning
question: why couldn't you do it by simply adding an
"inside_context_manager" flag, and producing an appropriate globals and
locals based on the flag value?
this is really lame, but maybe like this:
class __import__:
def __enter__(self):
self.inside_context_manager = True
return None
def __exit__(self, *args):
self.inside_context_manager = False
def __call__(self, name, globals=None, locals=None, fromlist=(),
level=0, context=None):
am_i_outside_context_manager = not self.inside_context_manager
if am_i_outside_context_manager:
do_normal_import(name, globals, locals, fromlist, level)
else:
# inside context manager
if context is None:
raise ValueError("invalid import context")
cglobals = contextualized_globals(globals, context)
clocals = contextualized_locals(locals, context)
do_special_import(name, cglobals, clocals, fromlist, level)
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