diff options
Diffstat (limited to 'youtube/search.py')
| -rw-r--r-- | youtube/search.py | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/youtube/search.py b/youtube/search.py new file mode 100644 index 0000000..5268dbe --- /dev/null +++ b/youtube/search.py @@ -0,0 +1,231 @@ +import json
+import urllib
+import html
+from string import Template
+import base64
+from math import ceil
+from youtube.common import default_multi_get, get_thumbnail_url, URL_ORIGIN
+import youtube.common as common
+
+with open("yt_search_results_template.html", "r") as file:
+ yt_search_results_template = file.read()
+
+with open("yt_search_template.html", "r") as file:
+ yt_search_template = file.read()
+
+page_button_template = Template('''<a class="page-button" href="$href">$page</a>''')
+current_page_button_template = Template('''<div class="page-button">$page</div>''')
+video_result_template = '''
+ <div class="medium-item">
+ <a class="video-thumbnail-box" href="$video_url" title="$video_title">
+ <img class="video-thumbnail-img" src="$thumbnail_url">
+ <span class="video-duration">$length</span>
+ </a>
+
+ <a class="title" href="$video_url">$video_title</a>
+
+ <address>Uploaded by <a href="$uploader_channel_url">$uploader</a></address>
+ <span class="views">$views</span>
+
+
+ <time datetime="$datetime">Uploaded $upload_date</time>
+
+ <span class="description">$description</span>
+ </div>
+'''
+
+
+
+# Sort: 1
+ # Upload date: 2
+ # View count: 3
+ # Rating: 1
+# Offset: 9
+# Filters: 2
+ # Upload date: 1
+ # Type: 2
+ # Duration: 3
+
+
+features = {
+ '4k': 14,
+ 'hd': 4,
+ 'hdr': 25,
+ 'subtitles': 5,
+ 'creative_commons': 6,
+ '3d': 7,
+ 'live': 8,
+ 'purchased': 9,
+ '360': 15,
+ 'location': 23,
+}
+
+def page_number_to_sp_parameter(page):
+ offset = (int(page) - 1)*20 # 20 results per page
+ first_byte = 255 & offset
+ second_byte = 255 & (offset >> 7)
+ second_byte = second_byte | 1
+
+ # 0b01001000 is required, and is always the same.
+ # The next 2 bytes encode the offset in little endian order,
+ # BUT, it's done in a strange way. The least significant bit (LSB) of the second byte is not part
+ # of the offset. Instead, to get the number which the two bytes encode, that LSB
+ # of the second byte is combined with the most significant bit (MSB) of the first byte
+ # in a logical AND. Replace the two bits with the result of the AND to get the two little endian
+ # bytes that represent the offset.
+ # I figured this out by trial and error on the sp parameter. I don't know why it's done like this;
+ # perhaps it's just obfuscation.
+ param_bytes = bytes((0b01001000, first_byte, second_byte))
+ param_encoded = urllib.parse.quote(base64.urlsafe_b64encode(param_bytes))
+ return param_encoded
+
+def get_search_json(query, page):
+ url = "https://www.youtube.com/results?search_query=" + urllib.parse.quote_plus(query)
+ headers = {
+ 'Host': 'www.youtube.com',
+ 'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64)',
+ 'Accept': '*/*',
+ 'Accept-Language': 'en-US,en;q=0.5',
+ 'X-YouTube-Client-Name': '1',
+ 'X-YouTube-Client-Version': '2.20180418',
+ }
+ url += "&pbj=1&sp=" + page_number_to_sp_parameter(page)
+ content = common.fetch_url(url, headers=headers)
+ info = json.loads(content)
+ return info
+
+"""def get_search_info(query, page):
+ result_info = dict()
+ info = get_bloated_search_info(query, page)
+
+ estimated_results = int(info[1]['response']['estimatedResults'])
+ estimated_pages = ceil(estimated_results/20)
+ result_info['estimated_results'] = estimated_results
+ result_info['estimated_pages'] = estimated_pages
+
+ result_info['results'] = []
+ # this is what you get when you hire H-1B's
+ video_list = info[1]['response']['contents']['twoColumnSearchResultsRenderer']['primaryContents']['sectionListRenderer']['contents'][0]['itemSectionRenderer']['contents']
+
+
+ for video_json_crap in video_list:
+ # they have a dictionary whose only content is another dictionary...
+ try:
+ type = list(video_json_crap.keys())[0]
+ except KeyError:
+ continue #channelRenderer or playlistRenderer
+ '''description = ""
+ for text_run in video_json_crap["descriptionSnippet"]["runs"]:
+ if text_run.get("bold", False):
+ description += "<b>" + html.escape'''
+ try:
+ result_info['results'].append({
+ "title": video_json_crap["title"]["simpleText"],
+ "video_id": video_json_crap["videoId"],
+ "description": video_json_crap.get("descriptionSnippet",dict()).get('runs',[]), # a list of text runs (formmated), rather than plain text
+ "thumbnail": get_thumbnail_url(video_json_crap["videoId"]),
+ "views_text": video_json_crap['viewCountText'].get('simpleText', None) or video_json_crap['viewCountText']['runs'][0]['text'],
+ "length_text": default_multi_get(video_json_crap, 'lengthText', 'simpleText', default=''), # livestreams dont have a length
+ "uploader": video_json_crap['longBylineText']['runs'][0]['text'],
+ "uploader_url": URL_ORIGIN + video_json_crap['longBylineText']['runs'][0]['navigationEndpoint']['commandMetadata']['webCommandMetadata']['url'],
+ "published_time_text": default_multi_get(video_json_crap, 'publishedTimeText', 'simpleText', default=''),
+
+ })
+ except KeyError:
+ print(video_json_crap)
+ raise
+ return result_info"""
+
+
+def page_buttons_html(page_start, page_end, current_page, query):
+ result = ""
+ for page in range(page_start, page_end+1):
+ if page == current_page:
+ template = current_page_button_template
+ else:
+ template = page_button_template
+ result += template.substitute(page=page, href=URL_ORIGIN + "/search?query=" + urllib.parse.quote_plus(query) + "&page=" + str(page))
+ return result
+
+showing_results_for = Template('''
+ <div>Showing results for <a>$corrected_query</a></div>
+ <div>Search instead for <a href="$original_query_url">$original_query</a></div>
+''')
+did_you_mean = Template('''
+ <div>Did you mean <a href="$corrected_query_url">$corrected_query</a></div>
+''')
+def get_search_page(query_string, parameters=()):
+ qs_query = urllib.parse.parse_qs(query_string)
+ if len(qs_query) == 0:
+ return yt_search_template
+ query = qs_query["query"][0]
+ page = qs_query.get("page", "1")[0]
+
+ info = get_search_json(query, page)
+
+ estimated_results = int(info[1]['response']['estimatedResults'])
+ estimated_pages = ceil(estimated_results/20)
+ results = info[1]['response']['contents']['twoColumnSearchResultsRenderer']['primaryContents']['sectionListRenderer']['contents'][0]['itemSectionRenderer']['contents']
+
+ corrections = ''
+ result_list_html = ""
+ for renderer in results:
+ type = list(renderer.keys())[0]
+ if type == 'shelfRenderer':
+ continue
+ if type == 'didYouMeanRenderer':
+ renderer = renderer[type]
+ corrected_query_string = urllib.parse.parse_qs(query_string)
+ corrected_query_string['query'] = [renderer['correctedQueryEndpoint']['searchEndpoint']['query']]
+ corrected_query_url = URL_ORIGIN + '/search?' + common.make_query_string(corrected_query_string)
+ corrections = did_you_mean.substitute(
+ corrected_query_url = corrected_query_url,
+ corrected_query = common.format_text_runs(renderer['correctedQuery']['runs']),
+ )
+ continue
+ if type == 'showingResultsForRenderer':
+ renderer = renderer[type]
+ no_autocorrect_query_string = urllib.parse.parse_qs(query_string)
+ no_autocorrect_query_string['autocorrect'] = ['0']
+ no_autocorrect_query_url = URL_ORIGIN + '/search?' + common.make_query_string(no_autocorrect_query_string)
+ corrections = showing_results_for.substitute(
+ corrected_query = common.format_text_runs(renderer['correctedQuery']['runs']),
+ original_query_url = no_autocorrect_query_url,
+ original_query = html.escape(renderer['originalQuery']['simpleText']),
+ )
+ continue
+ result_list_html += common.renderer_html(renderer, current_query_string=query_string)
+ '''type = list(result.keys())[0]
+ result = result[type]
+ if type == "showingResultsForRenderer":
+ url = URL_ORIGIN + "/search"
+ if len(parameters) > 0:
+ url += ';' + ';'.join(parameters)
+ url += '?' + '&'.join(key + '=' + ','.join(values) for key,values in qs_query.items())
+
+ result_list_html += showing_results_for_template.substitute(
+ corrected_query=common.format_text_runs(result['correctedQuery']['runs']),
+
+ )
+ else:
+ result_list_html += common.html_functions[type](result)'''
+
+ page = int(page)
+ if page <= 5:
+ page_start = 1
+ page_end = min(9, estimated_pages)
+ else:
+ page_start = page - 4
+ page_end = min(page + 4, estimated_pages)
+
+
+ result = Template(yt_search_results_template).substitute(
+ results = result_list_html,
+ page_title = query + " - Search",
+ search_box_value = html.escape(query),
+ number_of_results = '{:,}'.format(estimated_results),
+ number_of_pages = '{:,}'.format(estimated_pages),
+ page_buttons = page_buttons_html(page_start, page_end, page, query),
+ corrections = corrections
+ )
+ return result
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