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|
# -*- coding: utf-8 -*-
__doc__ = u"""
#>>> a
#Traceback (most recent call last):
#NameError: name 'a' is not defined
#>>> test_module_scope()
#>>> a
"""
#def test_module_scope():
# exec "a=1+1"
# return __dict__['a']
def test_dict_scope1():
"""
>>> test_dict_scope1()
2
"""
cdef dict d = {}
exec u"b=1+1" in d
return d[u'b']
def test_dict_scope2(d):
"""
>>> d = {}
>>> test_dict_scope2(d)
>>> d['b']
2
"""
exec u"b=1+1" in d
def test_dict_scope3(d1, d2):
"""
>>> d1 = {}
>>> test_dict_scope3(d1, d1)
>>> d1['b']
2
>>> d1, d2 = {}, {}
>>> test_dict_scope3(d1, d2)
>>> (d1.get('b'), d2.get('b'))
(None, 2)
>>> d1, d2 = {}, {}
>>> test_dict_scope3(d1, d2)
>>> (d1.get('b'), d2.get('b'))
(None, 2)
"""
exec u"b=1+1" in d1, d2
def test_dict_scope_ref(d1, d2):
"""
>>> d1, d2 = dict(a=11), dict(c=5)
>>> test_dict_scope_ref(d1, d2)
>>> (d1.get('b'), d2.get('b'))
(None, 16)
>>> d = dict(a=11, c=5)
>>> test_dict_scope_ref(d, d)
>>> d['b']
16
>>> d1, d2 = {}, {}
>>> test_dict_scope_ref(d1, d2) # doctest: +ELLIPSIS
Traceback (most recent call last):
NameError: ...name 'a' is not defined
"""
exec u"b=a+c" in d1, d2
def test_dict_scope_tuple2():
"""
>>> test_dict_scope_tuple2()
2
"""
cdef dict d = {}
exec(u"b=1+1", d) # Py3 compatibility syntax
return d[u'b']
def test_dict_scope_tuple3(d1, d2):
"""
>>> d1, d2 = {}, {}
>>> test_dict_scope_tuple3(d1, d2)
>>> (d1.get('b'), d2.get('b'))
(None, 2)
"""
exec(u"b=1+1", d1, d2)
def test_def(d, varref):
"""
>>> d = dict(seq = [1,2,3,4])
>>> add_iter = test_def(d, 'seq')
>>> list(add_iter())
[2, 3, 4, 5]
"""
exec u"""
def test():
for x in %s:
yield x+1
""" % varref in d
return d[u'test']
import sys
def test_encoding(d1, d2):
u"""
>>> d = {}
>>> test_encoding(d, None)
>>> print(d['b'])
üöä
"""
if sys.version_info[0] >= 3:
s = "b = 'üöä'"
else:
s = "# -*- coding: utf-8 -*-" + "\n" + "b = u'üöä'"
exec s in d1, d2
def test_encoding_unicode(d1, d2):
u"""
>>> d = {}
>>> test_encoding_unicode(d, None)
>>> print(d['b'])
üöä
"""
if sys.version_info[0] >= 3:
s = u"b = 'üöä'"
else:
s = u"b = u'üöä'"
exec s in d1, d2
def test_compile(d):
"""
>>> d = dict(a=1, c=3)
>>> test_compile(d)
>>> d['b']
4
"""
c = compile(u"b = a+c", u"<string>", u"exec")
exec c in d
def exec_invalid_type(x):
"""
>>> exec_invalid_type(42)
Traceback (most recent call last):
TypeError: exec: arg 1 must be string, bytes or code object, got int
"""
exec x in {}
def exec_with_new_features(s, d):
"""
>>> import sys
>>> pyversion = sys.version_info[:2]
>>> d = {}
>>> exec_with_new_features('print(123)', d)
123
>>> if pyversion == (2, 7): exec_with_new_features('exec "123"', d)
>>> if pyversion >= (3, 6): exec_with_new_features('f = f"abc"', d)
>>> if pyversion >= (3, 8): exec_with_new_features('a = (b := 1)', d)
"""
exec s in d
|
