def run_path(path_name, init_globals=None, run_name=None):
"""Execute code located at the specified filesystem location
Returns the resulting top level namespace dictionary
The file path may refer directly to a Python script (i.e.
one that could be directly executed with execfile) or else
it may refer to a zipfile or directory containing a top
level __main__.py script.
"""
if run_name is None:
run_name = "<run_path>"
importer = _get_importer(path_name)
if isinstance(importer, imp.NullImporter):
# Not a valid sys.path entry, so run the code directly
# execfile() doesn't help as we want to allow compiled files
code = _get_code_from_file(path_name)
return _run_module_code(code, init_globals, run_name, path_name)
else:
# Importer is defined for path, so add it to
# the start of sys.path
sys.path.insert(0, path_name)
try:
# Here's where things are a little different from the run_module
# case. There, we only had to replace the module in sys while the
# code was running and doing so was somewhat optional. Here, we
# have no choice and we have to remove it even while we read the
# code. If we don't do this, a __loader__ attribute in the
# existing __main__ module may prevent location of the new module.
main_name = "__main__"
saved_main = sys.modules[main_name]
del sys.modules[main_name]
try:
mod_name, loader, code, fname = _get_main_module_details()
finally:
sys.modules[main_name] = saved_main
pkg_name = ""
with _TempModule(run_name) as temp_module, \
_ModifiedArgv0(path_name):
mod_globals = temp_module.module.__dict__
return _run_code(code, mod_globals, init_globals,
run_name, fname, loader, pkg_name).copy()
finally:
try:
sys.path.remove(path_name)
except ValueError:
pass
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