def run_toplevel(f, *fargs, **fkwds):
"""Calls f() and handles all OperationErrors.
Intended use is to run the main program or one interactive statement.
run_protected() handles details like forwarding exceptions to
sys.excepthook(), catching SystemExit, etc.
"""
# don't use try:except: here, otherwise the exception remains
# visible in user code. Make sure revdb_stop is a callable, so
# that we can call it immediately after finally: below. Doing
# so minimizes the number of "blind" lines that we need to go
# back from, with "bstep", after we do "continue" in revdb.
if '__pypy__' in sys.builtin_module_names:
from __pypy__ import revdb_stop
else:
revdb_stop = None
if revdb_stop is None:
revdb_stop = lambda: None
try:
# run it
try:
f(*fargs, **fkwds)
finally:
revdb_stop()
sys.settrace(None)
sys.setprofile(None)
except SystemExit as e:
handle_sys_exit(e)
except BaseException as e:
display_exception(e)
return False
return True # success
def run_toplevel(f, *fargs, **fkwds):
"""Calls f() and handles all OperationErrors.
Intended use is to run the main program or one interactive statement.
run_protected() handles details like forwarding exceptions to
sys.excepthook(), catching SystemExit, printing a newline after
sys.stdout if needed, etc.
"""
# don't use try:except: here, otherwise the exception remains
# visible in user code. Make sure revdb_stop is a callable, so
# that we can call it immediately after finally: below. Doing
# so minimizes the number of "blind" lines that we need to go
# back from, with "bstep", after we do "continue" in revdb.
if '__pypy__' in sys.builtin_module_names:
from __pypy__ import revdb_stop
else:
revdb_stop = None
if revdb_stop is None:
revdb_stop = lambda: None
try:
# run it
try:
f(*fargs, **fkwds)
finally:
revdb_stop()
sys.settrace(None)
sys.setprofile(None)
# we arrive here if no exception is raised. stdout cosmetics...
try:
stdout = sys.stdout
softspace = stdout.softspace
except AttributeError:
pass
# Don't crash if user defined stdout doesn't have softspace
else:
if softspace:
stdout.write('\n')
except SystemExit as e:
handle_sys_exit(e)
except BaseException as e:
display_exception(e)
return False
return True # success