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Implement new extractor for searches

This commit is contained in:
Cadence Ember 2020-08-12 00:38:26 +12:00
parent 577cdd8a24
commit 9ee1f3ce89
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GPG Key ID: 128B99B1B74A6412
1 changed files with 136 additions and 62 deletions
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162
index.py
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@ -36,9 +36,74 @@ def extract_yt_initial_data(content):
else:
raise Exception("Could not match ytInitialData in content")
def combine_runs(runs):
if "runs" in runs: # check if already unpacked
runs = runs["runs"]
return "".join([r["text"] for r in runs])
def escape_html_textcontent(text):
return (
text
.replace("&", "&")
.replace("<", "&lt;")
.replace(">", "&gt;")
.replace('"', "&quot;")
.replace("\n", "<br>")
)
def combine_runs_html(runs):
if "runs" in runs: # check if already unpackged
runs = runs["runs"]
result = ""
for part in runs:
if part.get("bold"):
result += "<b>{}</b>".format(escape_html_textcontent(part["text"]))
else:
result += part["text"]
return result
def view_count_text_to_number(text):
return int(text.split(" ")[0].replace(",", ""))
def get_view_count_or_recommended(view_count_container):
if "runs" in view_count_container["viewCountText"]: # has live viewers
return int(combine_runs(view_count_container["viewCountText"]))
else:
text = view_count_container["viewCountText"]["simpleText"]
if text == "Recommended for you":
return 0 # subject to change?
else:
return view_count_text_to_number(text)
def get_view_count_text_or_recommended(view_count_container):
if "runs" in view_count_container["viewCountText"]: # has live viewers
text = combine_runs(view_count_container["viewCountText"])
else: # has past views
text = view_count_container["viewCountText"]["simpleText"]
if text == "Recommended for you":
return "Recommended for you" #subject to change?
else:
return text
def is_live(length_container):
return "lengthText" not in length_container
def get_length_or_live_now(length_container):
if "lengthText" in length_container:
return length_text_to_seconds(length_container["lengthText"]["simpleText"])
else:
return -1
def get_length_text_or_live_now(length_container):
if "lengthText" in length_container:
return length_container["lengthText"]["simpleText"]
else:
return "Live now"
class Second(object):
def __init__(self):
self.video_cache = TTLCache(maxsize=50, ttl=300)
self.search_cache = TTLCache(maxsize=50, ttl=300)
def _cp_dispatch(self, vpath):
if vpath[:4] == ["api", "manifest", "dash", "id"]:
@ -128,7 +193,7 @@ class Second(object):
"isUpcoming": None,
"dashUrl": "/api/manifest/dash/id/{}".format(info["id"]),
"second__providedDashUrl": None,
"adaptiveFormats": list({
"adaptiveFormats": [{
"index": None,
"bitrate": str(int(format["tbr"]*1000)),
"init": None,
@ -147,8 +212,8 @@ class Second(object):
"qualityLabel": format["format_note"],
"second__width": format["width"],
"second__height": format["height"]
} for format in info["formats"] if format_is_adaptive(format)),
"formatStreams": list({
} for format in info["formats"] if format_is_adaptive(format)],
"formatStreams": [{
"url": format["url"],
"itag": format["format_id"],
"type": format_type(format),
@ -162,7 +227,7 @@ class Second(object):
"size": "{}x{}".format(format["width"], format["height"]),
"second__width": format["width"],
"second__height": format["height"]
} for format in info["formats"] if not format_is_adaptive(format)),
} for format in info["formats"] if not format_is_adaptive(format)],
"captions": [],
"recommendedVideos": []
}
@ -182,7 +247,7 @@ class Second(object):
yt_initial_data = extract_yt_initial_data(content)
views = yt_initial_data["contents"]["twoColumnWatchNextResults"]["results"]["results"]["contents"][0]\
["videoPrimaryInfoRenderer"]["viewCount"]["videoViewCountRenderer"]
result["second__viewCountText"] = views["viewCount"]["simpleText"]
result["second__viewCountText"] = get_view_count_text_or_recommended(views)
result["second__viewCountTextShort"] = views["shortViewCount"]["simpleText"]
recommendations = yt_initial_data["contents"]["twoColumnWatchNextResults"]["secondaryResults"]\
["secondaryResults"]["results"]
@ -194,49 +259,17 @@ class Second(object):
return r["compactAutoplayRenderer"]["contents"][0]["compactVideoRenderer"]
return None
def get_view_count(r):
if "runs" in r["viewCountText"]: # has live viewers
return int(r["viewCountText"]["runs"][0]["text"])
else:
text = r["viewCountText"]["simpleText"]
if text == "Recommended for you":
return 0 # subject to change?
else:
return int(text.replace(",", "").split(" ")[0])
def get_view_count_text(r):
if "runs" in r["viewCountText"]: # has live viewers
text = "".join([x["text"] for x in r["viewCountText"]["runs"]])
else: # has past views
text = r["viewCountText"]["simpleText"]
if text == "Recommended for you":
return "Recommended for you" # subject to change?
else:
return text
def get_length(r):
if "lengthText" in r:
return length_text_to_seconds(r["lengthText"]["simpleText"])
else:
return -1
def get_length_text(r):
if "lengthText" in r:
return r["lengthText"]["simpleText"]
else:
return "Live now"
result["recommendedVideos"] = list({
"videoId": r["videoId"],
"title": r["title"]["simpleText"],
"videoThumbnails": [],
"author": r["longBylineText"]["runs"][0]["text"],
"author": combine_runs(r["longBylineText"]),
"authorUrl": r["longBylineText"]["runs"][0]["navigationEndpoint"]["commandMetadata"]["webCommandMetadata"]["url"],
"authorId": r["longBylineText"]["runs"][0]["navigationEndpoint"]["browseEndpoint"]["browseId"],
"lengthSeconds": get_length(r),
"second__lengthText": get_length_text(r),
"viewCountText": get_view_count_text(r),
"viewCount": get_view_count(r)
"lengthSeconds": get_length_or_live_now(r),
"second__lengthText": get_length_text_or_live_now(r),
"viewCountText": get_view_count_text_or_recommended(r),
"viewCount": get_view_count_or_recommended(r)
} for r in [get_useful_recommendation_data(r) for r in recommendations if get_useful_recommendation_data(r)])
m_yt_player_config = re.search(r_yt_player_config, line)
@ -401,8 +434,49 @@ class Second(object):
if suffix == ("suggestions",):
return self.suggestions(q=q)
if q in self.search_cache:
return self.search_cache[q]
try:
with requests.get("https://www.youtube.com/results", params={"q": q}) as r:
r.raise_for_status()
content = r.content.decode("utf8")
yt_initial_data = extract_yt_initial_data(content)
items = yt_initial_data["contents"]["twoColumnSearchResultsRenderer"]["primaryContents"]["sectionListRenderer"]["contents"][0]["itemSectionRenderer"]["contents"]
results = []
for item in items:
if "videoRenderer" in item:
video = item["videoRenderer"]
results.append({
"type": "video",
"title": combine_runs(video["title"]),
"videoId": video["videoId"],
"author": combine_runs(video["longBylineText"]),
"authorId": video["longBylineText"]["runs"][0]["navigationEndpoint"]["browseEndpoint"]["browseId"],
"authorUrl": video["longBylineText"]["runs"][0]["navigationEndpoint"]["commandMetadata"]["webCommandMetadata"]["url"],
"videoThumbnails": [],
"description": combine_runs(video["descriptionSnippet"]) if "descriptionSnippet" in video else "",
"descriptionHtml": combine_runs_html(video["descriptionSnippet"]) if "descriptionSnippet" in video else "",
"viewCount": get_view_count_or_recommended(video),
"second__viewCountText": get_view_count_text_or_recommended(video),
"published": None,
"publishedText": video["publishedTimeText"]["simpleText"],
"lengthSeconds": get_length_or_live_now(video),
"second__lengthText": get_length_text_or_live_now(video),
"liveNow": is_live(video),
"paid": None,
"premium": None,
"isUpcoming": None
})
self.search_cache[q] = results # only cache full extraction
return results
except Exception:
print("messed up extracting search, using youtube-dl instead")
traceback.print_exc()
info = ytdl.extract_info("ytsearchall:{}".format(q), download=False)
return list({
return [{
"type": "video",
"title": video["title"],
"videoId": video["id"],
@ -420,7 +494,7 @@ class Second(object):
"paid": None,
"premium": None,
"isUpcoming": None
} for video in info["entries"] if "title" in video)
} for video in info["entries"] if "title" in video]
@cherrypy.expose
@cherrypy.tools.json_out()