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Make full module name available as __module_name__ even when __name__ is set to something else (like '__main__')

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Nick Coghlan 2006-06-28 10:41:47 +00:00
parent 0f8b31a2da
commit 999a336ad7
3 changed files with 47 additions and 26 deletions
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34
Lib/runpy.py
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@ -21,18 +21,19 @@ __all__ = [
]
def _run_code(code, run_globals, init_globals,
def _run_code(code, run_globals, init_globals, run_name,
mod_name, mod_fname, mod_loader):
"""Helper for _run_module_code"""
if init_globals is not None:
run_globals.update(init_globals)
run_globals.update(__name__ = mod_name,
run_globals.update(__name__ = run_name,
__module_name__ = mod_name,
__file__ = mod_fname,
__loader__ = mod_loader)
exec code in run_globals
return run_globals
def _run_module_code(code, init_globals=None,
def _run_module_code(code, init_globals=None, run_name=None,
mod_name=None, mod_fname=None,
mod_loader=None, alter_sys=False):
"""Helper for run_module"""
@ -42,26 +43,33 @@ def _run_module_code(code, init_globals=None,
temp_module = imp.new_module(mod_name)
mod_globals = temp_module.__dict__
saved_argv0 = sys.argv[0]
restore_module = mod_name in sys.modules
if restore_module:
saved_module = sys.modules[mod_name]
sentinel = object()
module_mod_name = sys.modules.get(mod_name, sentinel)
module_run_name = sys.modules.get(run_name, sentinel)
sys.argv[0] = mod_fname
sys.modules[mod_name] = temp_module
if run_name != mod_name:
sys.modules[run_name] = temp_module
try:
_run_code(code, mod_globals, init_globals,
_run_code(code, mod_globals, init_globals, run_name,
mod_name, mod_fname, mod_loader)
finally:
sys.argv[0] = saved_argv0
if restore_module:
sys.modules[mod_name] = saved_module
else:
del sys.modules[mod_name]
if module_mod_name is not sentinel:
sys.modules[mod_name] = module_mod_name
else:
del sys.modules[mod_name]
if run_name != mod_name:
if module_run_name is not sentinel:
sys.modules[run_name] = module_run_name
else:
del sys.modules[run_name]
# Copy the globals of the temporary module, as they
# may be cleared when the temporary module goes away
return mod_globals.copy()
else:
# Leave the sys module alone
return _run_code(code, {}, init_globals,
return _run_code(code, {}, init_globals, run_name,
mod_name, mod_fname, mod_loader)
@ -92,7 +100,7 @@ def run_module(mod_name, init_globals=None,
if run_name is None:
run_name = mod_name
return _run_module_code(code, init_globals, run_name,
filename, loader, alter_sys)
mod_name, filename, loader, alter_sys)
if __name__ == "__main__":