[YouTube] Bypass age-gating for certain restricted videos

* Use TVHTML5_SIMPLY_EMBEDDED_PLAYER client

* Also add and fix tests

* Introduce and use new utility function `update_url()`

1 files changed, 11 insertions, 0 deletions

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index e3c3ccff9..d5cc6386d 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -4121,6 +4121,17 @@ def update_url_query(url, query):
         query=compat_urllib_parse_urlencode(qs, True)))
 
 
+def update_url(url, **kwargs):
+    """Replace URL components specified by kwargs
+       url: compat_str or parsed URL tuple
+       returns: compat_str"""
+    if not kwargs:
+        return compat_urlparse.urlunparse(url) if isinstance(url, tuple) else url
+    if not isinstance(url, tuple):
+        url = compat_urlparse.urlparse(url)
+    return compat_urlparse.urlunparse(url._replace(**kwargs))
+
+
 def update_Request(req, url=None, data=None, headers={}, query={}):
     req_headers = req.headers.copy()
     req_headers.update(headers)