David W. Lambert <[email protected]> added the comment:
#Ah! Not a problem. You need globals() and locals() dictionaries.
# as a python3 script, this message produces next couple lines output.
#method one
#yup, global a is gone
#method two
#{'gv': 'local here', 'name': 'gv'}
#yup, global gv is gone
print('method one')
a = ''
def Delete_a_global_variable():
global a
del a
Delete_a_global_variable()
try:
a
print('whoops! this can never happen')
except NameError:
print('yup, global a is gone')
print('method two')
gv = '' # global variable
def delete_chosen_variable(name):
del globals()[name]
gv = 'local here'
print(locals())
delete_chosen_variable('gv')
try:
gv
print('whoops! this can never happen')
except NameError:
print('yup, global gv is gone')
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Python tracker <[email protected]>
<http://bugs.python.org/issue5092>
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