I hope this isn't a stupid question but I found some code where they imported classmethod
and some code where they don't so there is difference?
I'm using python 3.6 but the code originally I think was for python 2.7 (it used from __builtin__ import
)
import unittest
from selenium import webdriver
from builtins import classmethod #original code was from __builtin__ import classmethod
class HomePageTest(unittest.TestCase):
@classmethod
def setUp(cls):
# create a new Firefox session
cls.driver = webdriver.Firefox()
cls.driver.implicitly_wait(30)
cls.driver.maximize_window()
# navigate to the application home page
cls.driver.get("http://demo-store.seleniumacademy.com/")
def test_search_field(self):
pass
#My tests without @classmethod
@classmethod
def tearDown(cls):
# close the browser window
cls.driver.quit()
if __name__ == '__main__':
unittest.main(verbosity=2)
Normally you only import builtins
or __builtin__
if you also have a variable in your code with the same name as a builtin and also want to access the builtin name. The documentation of the module explains it rather well:
builtins — Built-in objects
This module provides direct access to all ‘built-in’ identifiers of Python; for example,
builtins.open
is the full name for the built-in functionopen()
. See Built-in Functions and Built-in Constants for documentation.This module is not normally accessed explicitly by most applications, but can be useful in modules that provide objects with the same name as a built-in value, but in which the built-in of that name is also needed. For example, in a module that wants to implement an
open()
function that wraps the built-inopen()
, this module can be used directly:import builtins def open(path): f = builtins.open(path, 'r') return UpperCaser(f) class UpperCaser: '''Wrapper around a file that converts output to upper-case.''' def __init__(self, f): self._f = f def read(self, count=-1): return self._f.read(count).upper()
However in your case there seems to be no classmethod
definition in the file so you don't actually need the from builtins import classmethod
.
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