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JS operation by webdriver was made into a component

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unknown 2022-08-22 19:10:12 +09:00
parent 1703935375
commit 23ae8277c8
1 changed files with 78 additions and 40 deletions
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118
youtube_dl/extractor/youtube.py
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@ -26,6 +26,7 @@ from ..compat import (
)
from ..jsinterp import JSInterpreter
from ..utils import (
check_executable,
clean_html,
dict_get,
error_to_compat_str,
@ -1466,11 +1467,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
super(YoutubeIE, self).__init__(*args, **kwargs)
self._code_cache = {}
self._player_cache = {}
self._webdriver = None
def __del__(self):
if self._webdriver is not None:
self._webdriver.quit()
self._webdriver_wrapper = None
# *ytcfgs, webpage=None
def _extract_player_url(self, *ytcfgs, **kw_webpage):
@ -1680,40 +1677,9 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
return ret
def _call_n_function_with_webdriver(self, webdriver_type, jscode, n_param):
if self._webdriver is None:
wd = importlib.import_module('selenium.webdriver')
if webdriver_type == 'firefox': # geckodriver
o = wd.FirefoxOptions()
o.headless = True
s = wd.firefox.service.Service(log_path=os.path.devnull)
self._webdriver = wd.Firefox(options=o, service=s)
elif webdriver_type == 'chrome': # chromedriver
o = wd.ChromeOptions()
o.headless = True
"""
If you are using the snap version of the chromium, chromedriver is included in the snap package.
You should use that driver.
$ cd /snap/bin && sudo ln -s -T chromium.chromedriver chromedriver
or
s = wd.chrome.service.Service(executable_path='chromium.chromedriver')
self._webdriver = wd.Chrome(options=o, service=s)
"""
self._webdriver = wd.Chrome(options=o)
elif webdriver_type == 'edge': # msedgedriver
o = wd.EdgeOptions()
o.headless = True
self._webdriver = wd.Edge(options=o)
elif webdriver_type == 'safari': # safaridriver
"""
safaridriver does not have headless-mode. :(
But macOS includes safaridriver by default.
To enable automation on safaridriver, run the following command once from the admin terminal.
# safaridriver --enable
"""
self._webdriver = wd.Safari()
else:
raise ExtractorError('unsupported webdriver type: %s' % (webdriver_type))
self._webdriver.get('about:blank')
if self._webdriver_wrapper is None:
self._webdriver_wrapper = WebDriverJSWrapper(webdriver_type)
self._webdriver_wrapper.get('about:blank')
funcname = self._extract_n_function_name(jscode)
alphabet = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
dummyfunc = ''.join(random.choice(alphabet) for _ in range(8))
@ -1728,7 +1694,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
'document.body.append(s);'
'return {0}("{2}");'
'}})("{3}");').format(dummyfunc, funcname, n_param, compat_urllib_quote(jscode))
n = self._webdriver.execute_script(f)
n = self._webdriver_wrapper.executeJS(f)
return n
def _extract_n_function_name(self, jscode):
@ -3884,3 +3850,75 @@ class YoutubeTruncatedIDIE(InfoExtractor):
raise ExtractorError(
'Incomplete YouTube ID %s. URL %s looks truncated.' % (video_id, url),
expected=True)
class WebDriverJSWrapper(object):
"""WebDriver Wrapper class"""
def __init__(self, webdriver_type, pageload_timeout=10, script_timeout=5):
self._webdriver = None
try:
wd = importlib.import_module('selenium.webdriver')
except ImportError as e:
self._raise_exception('Failed to import module "selenium.webdriver"', cause=e)
if webdriver_type == 'firefox': # geckodriver
if not check_executable('geckodriver', ['--version']):
self._raise_exception('geckodriver not found in PATH')
o = wd.FirefoxOptions()
o.headless = True
s = wd.firefox.service.Service(log_path=os.path.devnull)
self._webdriver = wd.Firefox(options=o, service=s)
elif webdriver_type == 'chrome': # chromedriver
if not check_executable('chromedriver', ['--version']):
self._raise_exception('chromedriver not found in PATH')
o = wd.ChromeOptions()
o.headless = True
"""
If you are using the snap version of the chromium, chromedriver is included in the snap package.
You should use that driver.
$ cd /snap/bin && sudo ln -s -T chromium.chromedriver chromedriver
or
s = wd.chrome.service.Service(executable_path='chromium.chromedriver')
self._webdriver = wd.Chrome(options=o, service=s)
"""
self._webdriver = wd.Chrome(options=o)
elif webdriver_type == 'edge': # msedgedriver
if not check_executable('msedgedriver', ['--version']):
self._raise_exception('msedgedriver not found in PATH')
o = wd.EdgeOptions()
o.headless = True
self._webdriver = wd.Edge(options=o)
elif webdriver_type == 'safari': # safaridriver
if not check_executable('safaridriver', ['--version']):
self._raise_exception('safaridriver not found in PATH')
"""
safaridriver does not have headless-mode. :(
But macOS includes safaridriver by default.
To enable automation on safaridriver, run the following command once from the admin terminal.
# safaridriver --enable
"""
self._webdriver = wd.Safari()
else:
self._raise_exception('unsupported type: %s' % (webdriver_type))
self._webdriver.set_page_load_timeout(pageload_timeout)
self._webdriver.set_script_timeout(script_timeout)
def __del__(self):
if self._webdriver is not None:
self._webdriver.quit()
def _raise_exception(self, msg, cause=None):
raise ExtractorError('[WebDriverJSWrapper] %s' % (msg), cause=cause)
def get(self, url):
"""Loads a web page in the current browser session"""
self._webdriver.get(url)
def executeJS(self, jscode):
"""Execute JS and return value"""
try:
ret = self._webdriver.execute_script(jscode)
except Exception as e:
self._raise_exception('Failed to execute JS', cause=e)
return ret