__init__.py 文件源码

def testRequire(self):
        if not hasattr(dep, 'extract_constant'):
            # skip on non-bytecode platformsh
            return

        req = Require('Email','1.0.3','email')

        self.assertEqual(req.name, 'Email')
        self.assertEqual(req.module, 'email')
        self.assertEqual(req.requested_version, '1.0.3')
        self.assertEqual(req.attribute, '__version__')
        self.assertEqual(req.full_name(), 'Email-1.0.3')

        from email import __version__
        self.assertEqual(req.get_version(), __version__)
        self.assertTrue(req.version_ok('1.0.9'))
        self.assertTrue(not req.version_ok('0.9.1'))
        self.assertTrue(not req.version_ok('unknown'))

        self.assertTrue(req.is_present())
        self.assertTrue(req.is_current())

        req = Require('Email 3000','03000','email',format=LooseVersion)
        self.assertTrue(req.is_present())
        self.assertTrue(not req.is_current())
        self.assertTrue(not req.version_ok('unknown'))

        req = Require('Do-what-I-mean','1.0','d-w-i-m')
        self.assertTrue(not req.is_present())
        self.assertTrue(not req.is_current())

        req = Require('Tests', None, 'tests', homepage="http://example.com")
        self.assertEqual(req.format, None)
        self.assertEqual(req.attribute, None)
        self.assertEqual(req.requested_version, None)
        self.assertEqual(req.full_name(), 'Tests')
        self.assertEqual(req.homepage, 'http://example.com')

        paths = [os.path.dirname(p) for p in __path__]
        self.assertTrue(req.is_present(paths))
        self.assertTrue(req.is_current(paths))