fixed the TARGET_VERSION variable. is now actually evaluated at execution time so the correct chromedriver for your version of chrome is being downloaded... + some refactorings

README.md

@@ -30,8 +30,8 @@ driver.get('https://distilnetworks.com')
 Needs to be done before importing from selenium package
 
 ```python
-import undetected_chromedriver
+import undetected_chromedriver as uc
-undetected_chromedriver.install()
+uc.install()
 from selenium.webdriver import Chrome
 driver = Chrome()
 driver.get('https://distilnetworks.com')
@@ -40,10 +40,11 @@ driver.get('https://distilnetworks.com')
 
 #### the customized way ####
 ```python
-import undetected_chromedriver
+import undetected_chromedriver as uc
 
 #specify chromedriver version to download and patch
-undetected_chromedriver.TARGET_VERSION = 78
+#this did not work correctly until 1.2.1
+uc.TARGET_VERSION = 78    
 
 # or specify your own chromedriver binary to patch
 undetected_chromedriver.install(

setup.py

@@ -19,7 +19,7 @@ from setuptools import setup
 
 setup(
     name='undetected-chromedriver',
-    version='1.2',
+    version='1.2.1',
     packages=['undetected_chromedriver'],
     install_requires=[
         'selenium',

undetected_chromedriver/__init__.py

@@ -29,9 +29,8 @@ from selenium.webdriver import ChromeOptions as _ChromeOptions
 logger = logging.getLogger(__name__)
 
 
-_DL_BASE = "https://chromedriver.storage.googleapis.com/"
 TARGET_VERSION = 81
-__is_patched__ = 0
+__IS_PATCHED__ = 0
 
 
 class Chrome:
@@ -97,19 +96,23 @@ class ChromeOptions:
 
 
 class ChromeDriverManager(object):
+
     installed = False
     selenium_patched = False
-    target_version = TARGET_VERSION
+    target_version = None
+
+    DL_BASE = "https://chromedriver.storage.googleapis.com/"
+
 
     def __init__(self, executable_path=None, target_version=None, *args, **kwargs):
 
         _platform = sys.platform
+        self.target_version = TARGET_VERSION
         if target_version:
-            self.__class__.target_version = target_version
+            self.target_version = target_version
         self._base = base_ = "chromedriver{}"
 
         exe_name = self._base
-        
         if _platform in ('win32',):
             exe_name = base_.format(".exe")
         if _platform in ('linux',):
@@ -170,7 +173,7 @@ class ChromeDriverManager(object):
             if not self.target_version
             else f"LATEST_RELEASE_{self.target_version}"
         )
-        return urlopen(_DL_BASE + path).read().decode()
+        return urlopen(self.__class__.DL_BASE + path).read().decode()
 
 
     def fetch_chromedriver(self):
@@ -185,7 +188,7 @@ class ChromeDriverManager(object):
         if os.path.exists(self.executable_path):
             return self.executable_path
         urlretrieve(
-            f"{_DL_BASE}{ver}/{base_.format(f'_{self.platform}')}.zip",
+            f"{self.__class__.DL_BASE}{ver}/{base_.format(f'_{self.platform}')}.zip",
             filename=zip_name,
         )
         with zipfile.ZipFile(zip_name) as zf:
@@ -211,7 +214,7 @@ class ChromeDriverManager(object):
                     binary.seek(-len(line), 1)
                     line = b"  var key = '$azc_abcdefghijklmnopQRstuv_';\n"
                     binary.write(line)
-                    __is_patched__ = 1
+                    __IS_PATCHED__ = 1
                     break
             else:
                 return False