comparison tests/test-demandimport.py @ 30022:26a4e46af2bc

demandimport: error out early on missing attribute of non package (issue5373)

If the parent module isn't a package, all valid attributes must be obtained
from it. We can raise ImportError early if any attributes not found.

30021:16a09ae318b4

print("re =", f(re))
print("re.stderr =", f(re.stderr))
print("re =", f(re))

demandimport.disable()
os.environ['HGDEMANDIMPORT'] = 'disable'
# this enable call should not actually enable demandimport!
demandimport.enable()
from mercurial import node

30022:26a4e46af2bc

print("re =", f(re))
print("re.stderr =", f(re.stderr))
print("re =", f(re))

import contextlib
print("contextlib =", f(contextlib))
try:
    from contextlib import unknownattr
    print('no demandmod should be created for attribute of non-package '
          'module:\ncontextlib.unknownattr =', f(unknownattr))
except ImportError as inst:
    print('contextlib.unknownattr = ImportError: %s' % inst)

demandimport.disable()
os.environ['HGDEMANDIMPORT'] = 'disable'
# this enable call should not actually enable demandimport!
demandimport.enable()
from mercurial import node