undetected-chromedriver/undetected_chromedriver/options.py

86 lines
2.6 KiB
Python

#!/usr/bin/env python3
# this module is part of undetected_chromedriver
import json
import os
from selenium.webdriver.chromium.options import ChromiumOptions as _ChromiumOptions
class ChromeOptions(_ChromiumOptions):
_session = None
_user_data_dir = None
@property
def user_data_dir(self):
return self._user_data_dir
@user_data_dir.setter
def user_data_dir(self, path: str):
"""
Sets the browser profile folder to use, or creates a new profile
at given <path>.
Parameters
----------
path: str
the path to a chrome profile folder
if it does not exist, a new profile will be created at given location
"""
apath = os.path.abspath(path)
self._user_data_dir = os.path.normpath(apath)
@staticmethod
def _undot_key(key, value):
"""turn a (dotted key, value) into a proper nested dict"""
if "." in key:
key, rest = key.split(".", 1)
value = ChromeOptions._undot_key(rest, value)
return {key: value}
@staticmethod
def _merge_nested(a, b):
"""
merges b into a
leaf values in a are overwritten with values from b
"""
for key in b:
if key in a:
if isinstance(a[key], dict) and isinstance(b[key], dict):
ChromeOptions._merge_nested(a[key], b[key])
continue
a[key] = b[key]
return a
def handle_prefs(self, user_data_dir):
prefs = self.experimental_options.get("prefs")
if prefs:
user_data_dir = user_data_dir or self._user_data_dir
default_path = os.path.join(user_data_dir, "Default")
os.makedirs(default_path, exist_ok=True)
# undot prefs dict keys
undot_prefs = {}
for key, value in prefs.items():
undot_prefs = self._merge_nested(
undot_prefs, self._undot_key(key, value)
)
prefs_file = os.path.join(default_path, "Preferences")
if os.path.exists(prefs_file):
with open(prefs_file, encoding="latin1", mode="r") as f:
undot_prefs = self._merge_nested(json.load(f), undot_prefs)
with open(prefs_file, encoding="latin1", mode="w") as f:
json.dump(undot_prefs, f)
# remove the experimental_options to avoid an error
del self._experimental_options["prefs"]
@classmethod
def from_options(cls, options):
o = cls()
o.__dict__.update(options.__dict__)
return o