mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-04 08:59:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 11

bpo-34983: Expose symtable.Symbol.is_nonlocal() in the symtable module (GH-9872)

Browse source 
The symbol table was not exposing functionality to query the nonlocal symbols
in a function or to check if a particular symbol is nonlocal.
This commit is contained in:
Pablo Galindo 2018-10-20 01:46:00 +01:00 • committed by GitHub
parent 6395844e6a
commit d5b4f1b5a0
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
5 changed files with 36 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

17
Lib/test/test_symtable.py
View file

@ -10,6 +10,7 @@ TEST_CODE = """
import sys
glob = 42
some_var = 12
class Mine:
instance_var = 24
@ -19,10 +20,15 @@ class Mine:
def spam(a, b, *var, **kw):
global bar
bar = 47
some_var = 10
x = 23
glob
def internal():
return x
def other_internal():
nonlocal some_var
some_var = 3
return some_var
return internal
def foo():
@ -47,6 +53,7 @@ class SymtableTest(unittest.TestCase):
a_method = find_block(Mine, "a_method")
spam = find_block(top, "spam")
internal = find_block(spam, "internal")
other_internal = find_block(spam, "other_internal")
foo = find_block(top, "foo")
def test_type(self):
@ -75,12 +82,12 @@ class SymtableTest(unittest.TestCase):
def test_lineno(self):
self.assertEqual(self.top.get_lineno(), 0)
self.assertEqual(self.spam.get_lineno(), 11)
self.assertEqual(self.spam.get_lineno(), 12)
def test_function_info(self):
func = self.spam
self.assertEqual(sorted(func.get_parameters()), ["a", "b", "kw", "var"])
expected = ["a", "b", "internal", "kw", "var", "x"]
expected = ['a', 'b', 'internal', 'kw', 'other_internal', 'some_var', 'var', 'x']
self.assertEqual(sorted(func.get_locals()), expected)
self.assertEqual(sorted(func.get_globals()), ["bar", "glob"])
self.assertEqual(self.internal.get_frees(), ("x",))
@ -93,6 +100,12 @@ class SymtableTest(unittest.TestCase):
self.assertFalse(self.internal.lookup("x").is_global())
self.assertFalse(self.Mine.lookup("instance_var").is_global())
def test_nonlocal(self):
self.assertFalse(self.spam.lookup("some_var").is_nonlocal())
self.assertTrue(self.other_internal.lookup("some_var").is_nonlocal())
expected = ("some_var",)
self.assertEqual(self.other_internal.get_nonlocals(), expected)
def test_local(self):
self.assertTrue(self.spam.lookup("x").is_local())
self.assertFalse(self.internal.lookup("x").is_local())