本文整理汇总了Python中future.standard_library.suspend_hooks方法的典型用法代码示例。如果您正苦于以下问题：Python standard_library.suspend_hooks方法的具体用法？Python standard_library.suspend_hooks怎么用？Python standard_library.suspend_hooks使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类future.standard_library的用法示例。
在下文中一共展示了standard_library.suspend_hooks方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_suspend_hooks
# 需要导入模块: from future import standard_library [as 别名]
# 或者: from future.standard_library import suspend_hooks [as 别名]
def test_suspend_hooks(self):
"""
Code like the try/except block here appears in Pyflakes v0.6.1. This
method tests whether suspend_hooks() works as advertised.
"""
example_PY2_check = False
with standard_library.suspend_hooks():
# An example of fragile import code that we don't want to break:
try:
import builtins
except ImportError:
example_PY2_check = True
if utils.PY2:
self.assertTrue(example_PY2_check)
else:
self.assertFalse(example_PY2_check)
# The import should succeed again now:
import builtins 示例2: test_old_urllib_import
# 需要导入模块: from future import standard_library [as 别名]
# 或者: from future.standard_library import suspend_hooks [as 别名]
def test_old_urllib_import(self):
"""
Tests whether an imported module can import the old urllib package.
Importing future.standard_library in a script should be possible and
not disrupt any uses of the old Py2 standard library names in modules
imported by that script.
"""
code1 = '''
from future import standard_library
with standard_library.suspend_hooks():
import module_importing_old_urllib
'''
self._write_test_script(code1, 'runme.py')
code2 = '''
import urllib
assert 'urlopen' in dir(urllib)
print('Import succeeded!')
'''
self._write_test_script(code2, 'module_importing_old_urllib.py')
output = self._run_test_script('runme.py')
print(output)
self.assertTrue(True) 示例3: test_urllib_imports_install_aliases
# 需要导入模块: from future import standard_library [as 别名]
# 或者: from future.standard_library import suspend_hooks [as 别名]
def test_urllib_imports_install_aliases(self):
with standard_library.suspend_hooks():
standard_library.install_aliases()
import urllib
import urllib.parse
import urllib.request
import urllib.robotparser
import urllib.error
import urllib.response
self.assertTrue(True)