diff --git a/snscrape/modules/telegram.py b/snscrape/modules/telegram.py index 0f093eea..ab445613 100644 --- a/snscrape/modules/telegram.py +++ b/snscrape/modules/telegram.py @@ -13,7 +13,7 @@ _logger = logging.getLogger(__name__) _SINGLE_MEDIA_LINK_PATTERN = re.compile(r'^https://t\.me/[^/]+/\d+\?single$') - +_STYLE_MEDIA_URL_PATTERN = re.compile(r'url\(\'(.*?)\'\)') @dataclasses.dataclass class LinkPreview: @@ -24,29 +24,12 @@ class LinkPreview: image: typing.Optional[str] = None -@dataclasses.dataclass -class TelegramPost(snscrape.base.Item): - url: str - date: datetime.datetime - content: str - outlinks: list - images: list - videos: list - forwarded: str - linkPreview: typing.Optional[LinkPreview] = None - - outlinksss = snscrape.base._DeprecatedProperty('outlinksss', lambda self: ' '.join(self.outlinks), 'outlinks') - - def __str__(self): - return self.url - - @dataclasses.dataclass class Channel(snscrape.base.Entity): username: str - title: str - verified: bool - photo: str + title: typing.Optional[str] = None + verified: typing.Optional[bool] = None + photo: typing.Optional[str] = None description: typing.Optional[str] = None members: typing.Optional[int] = None photos: typing.Optional[snscrape.base.IntWithGranularity] = None @@ -63,6 +46,55 @@ def __str__(self): return f'https://t.me/s/{self.username}' +@dataclasses.dataclass +class TelegramPost(snscrape.base.Item): + url: str + date: datetime.datetime + content: str + outlinks: typing.List[str] = None + mentions: typing.List[str] = None + hashtags: typing.List[str] = None + forwarded: typing.Optional['Channel'] = None + forwardedUrl: typing.Optional[str] = None + media: typing.Optional[typing.List['Medium']] = None + views: typing.Optional[int] = None + linkPreview: typing.Optional[LinkPreview] = None + + outlinksss = snscrape.base._DeprecatedProperty('outlinksss', lambda self: ' '.join(self.outlinks), 'outlinks') + + def __str__(self): + return self.url + + +class Medium: + pass + + +@dataclasses.dataclass +class Photo(Medium): + url: str + + +@dataclasses.dataclass +class Video(Medium): + thumbnailUrl: str + duration: float + url: typing.Optional[str] = None + + +@dataclasses.dataclass +class VoiceMessage(Medium): + url: str + duration: str + bars:typing.List[float] + + +@dataclasses.dataclass +class Gif(Medium): + thumbnailUrl: str + url: typing.Optional[str] = None + + class TelegramChannelScraper(snscrape.base.Scraper): name = 'telegram-channel' @@ -93,48 +125,85 @@ def _soup_to_items(self, soup, pageUrl, onlyUsername = False): _logger.warning(f'Possibly incorrect URL: {rawUrl!r}') url = rawUrl.replace('//t.me/', '//t.me/s/') date = datetime.datetime.strptime(dateDiv.find('time', datetime = True)['datetime'].replace('-', '', 2).replace(':', ''), '%Y%m%dT%H%M%S%z') - images = [] - videos = [] + media = [] + outlinks = [] + mentions = [] + hashtags = [] forwarded = None + forwardedUrl = None + + if (forwardTag := post.find('a', class_ = 'tgme_widget_message_forwarded_from_name')): + forwardedUrl = forwardTag['href'] + forwardedName = forwardedUrl.split('t.me/')[1].split('/')[0] + forwarded = Channel(username = forwardedName) + if (message := post.find('div', class_ = 'tgme_widget_message_text')): content = message.get_text(separator="\n") + else: + content = None - for video_tag in post.find_all('video'): - videos.append(video_tag['src']) + for link in post.find_all('a'): + if any(x in link.parent.attrs.get('class', []) for x in ('tgme_widget_message_user', 'tgme_widget_message_author')): + # Author links at the top (avatar and name) + continue + if link['href'] == rawUrl or link['href'] == url: + style = link.attrs.get('style', '') + # Generic filter of links to the post itself, catches videos, photos, and the date link + if style != '': + imageUrls = _STYLE_MEDIA_URL_PATTERN.findall(style) + if len(imageUrls) == 1: + media.append(Photo(url = imageUrls[0])) + continue + if _SINGLE_MEDIA_LINK_PATTERN.match(link['href']): + style = link.attrs.get('style', '') + imageUrls = _STYLE_MEDIA_URL_PATTERN.findall(style) + if len(imageUrls) == 1: + media.append(Photo(url = imageUrls[0])) + # resp = self._get(image[0]) + # encoded_string = base64.b64encode(resp.content) + # Individual photo or video link + continue + if link.text.startswith('@'): + mentions.append(link.text.strip('@')) + continue + if link.text.startswith('#'): + hashtags.append(link.text.strip('#')) + continue + href = urllib.parse.urljoin(pageUrl, link['href']) + if (href not in outlinks) and (href != rawUrl) and (href != forwardedUrl): + outlinks.append(href) - if (forward_tag := post.find('a', class_ = 'tgme_widget_message_forwarded_from_name')): - forwarded = forward_tag['href'].split('t.me/')[1].split('/')[0] + for voicePlayer in post.find_all('a', {'class': 'tgme_widget_message_voice_player'}): + audioUrl = voicePlayer.find('audio')['src'] + durationStr = voicePlayer.find('time').text + duration = durationStrToSeconds(durationStr) + barHeights = [float(s['style'].split(':')[-1].strip(';%')) for s in voicePlayer.find('div', {'class': 'bar'}).find_all('s')] + + media.append(VoiceMessage(url = audioUrl, duration = duration, bars = barHeights)) + + for videoPlayer in post.find_all('a', {'class': 'tgme_widget_message_video_player'}): + iTag = videoPlayer.find('i') + if iTag is None: + videoUrl = None + videoThumbnailUrl = None + else: + style = iTag['style'] + videoThumbnailUrl = _STYLE_MEDIA_URL_PATTERN.findall(style)[0] + videoTag = videoPlayer.find('video') + videoUrl = None if videoTag is None else videoTag['src'] + mKwargs = { + 'thumbnailUrl': videoThumbnailUrl, + 'url': videoUrl, + } + timeTag = videoPlayer.find('time') + if timeTag is None: + cls = Gif + else: + cls = Video + durationStr = videoPlayer.find('time').text + mKwargs['duration'] = durationStrToSeconds(durationStr) + media.append(cls(**mKwargs)) - outlinks = [] - for link in post.find_all('a'): - if any(x in link.parent.attrs.get('class', []) for x in ('tgme_widget_message_user', 'tgme_widget_message_author')): - # Author links at the top (avatar and name) - continue - if link['href'] == rawUrl or link['href'] == url: - style = link.attrs.get('style', '') - # Generic filter of links to the post itself, catches videos, photos, and the date link - if style != '': - image = re.findall('url\(\'(.*?)\'\)', style) - if len(image) == 1: - images.append(image[0]) - continue - if _SINGLE_MEDIA_LINK_PATTERN.match(link['href']): - style = link.attrs.get('style', '') - image = re.findall('url\(\'(.*?)\'\)', style) - if len(image) == 1: - images.append(image[0]) - # resp = self._get(image[0]) - # encoded_string = base64.b64encode(resp.content) - # Individual photo or video link - continue - href = urllib.parse.urljoin(pageUrl, link['href']) - if href not in outlinks: - outlinks.append(href) - else: - content = None - outlinks = [] - images = [] - videos = [] linkPreview = None if (linkPreviewA := post.find('a', class_ = 'tgme_widget_message_link_preview')): kwargs = {} @@ -151,20 +220,40 @@ def _soup_to_items(self, soup, pageUrl, onlyUsername = False): else: _logger.warning(f'Could not process link preview image on {url}') linkPreview = LinkPreview(**kwargs) - yield TelegramPost(url = url, date = date, content = content, outlinks = outlinks, linkPreview = linkPreview, images = images, videos = videos, forwarded = forwarded) + if kwargs['href'] in outlinks: + outlinks.remove(kwargs['href']) + + viewsSpan = post.find('span', class_ = 'tgme_widget_message_views') + views = None if viewsSpan is None else parse_num(viewsSpan.text) + + yield TelegramPost(url = url, date = date, content = content, outlinks = outlinks, mentions = mentions, hashtags = hashtags, linkPreview = linkPreview, media = media, forwarded = forwarded, forwardedUrl = forwardedUrl, views = views) def get_items(self): r, soup = self._initial_page() if '/s/' not in r.url: _logger.warning('No public post list for this user') return + nextPageUrl = '' while True: yield from self._soup_to_items(soup, r.url) + try: + if soup.find('a', attrs = {'class': 'tgme_widget_message_date'}, href = True)['href'].split('/')[-1] == '1': + # if message 1 is the first message in the page, terminate scraping + break + except: + pass pageLink = soup.find('a', attrs = {'class': 'tme_messages_more', 'data-before': True}) if not pageLink: - break + # some pages are missing a "tme_messages_more" tag, causing early termination + if '=' not in nextPageUrl: + nextPageUrl = soup.find('link', attrs = {'rel': 'canonical'}, href = True)['href'] + nextPostIndex = int(nextPageUrl.split('=')[-1]) - 20 + if nextPostIndex > 20: + pageLink = {'href': nextPageUrl.split('=')[0] + f'={nextPostIndex}'} + else: + break nextPageUrl = urllib.parse.urljoin(r.url, pageLink['href']) - r = self._get(nextPageUrl, headers = self._headers) + r = self._get(nextPageUrl, headers = self._headers, responseOkCallback = telegramResponseOkCallback) if r.status_code != 200: raise snscrape.base.ScraperException(f'Got status code {r.status_code}') soup = bs4.BeautifulSoup(r.text, 'lxml') @@ -204,15 +293,6 @@ def _get_entity(self): if (descriptionDiv := channelInfoDiv.find('div', class_ = 'tgme_channel_info_description')): kwargs['description'] = descriptionDiv.text - def parse_num(s): - s = s.replace(' ', '') - if s.endswith('M'): - return int(float(s[:-1]) * 1e6), 10 ** (6 if '.' not in s else 6 - len(s[:-1].split('.')[1])) - elif s.endswith('K'): - return int(float(s[:-1]) * 1000), 10 ** (3 if '.' not in s else 3 - len(s[:-1].split('.')[1])) - else: - return int(s), 1 - for div in channelInfoDiv.find_all('div', class_ = 'tgme_channel_info_counter'): value, granularity = parse_num(div.find('span', class_ = 'counter_value').text) type_ = div.find('span', class_ = 'counter_type').text @@ -231,3 +311,21 @@ def _cli_setup_parser(cls, subparser): @classmethod def _cli_from_args(cls, args): return cls._cli_construct(args, args.channel) + +def parse_num(s): + s = s.replace(' ', '') + if s.endswith('M'): + return int(float(s[:-1]) * 1e6), 10 ** (6 if '.' not in s else 6 - len(s[:-1].split('.')[1])) + elif s.endswith('K'): + return int(float(s[:-1]) * 1000), 10 ** (3 if '.' not in s else 3 - len(s[:-1].split('.')[1])) + return int(s), 1 + +def durationStrToSeconds(durationStr): + durationList = durationStr.split(':') + return sum([int(s) * int(g) for s, g in zip([1, 60, 360], reversed(durationList))]) + +def telegramResponseOkCallback(r): + if r.status_code == 200: + return (True, None) + return (False, f'{r.status_code=}') + \ No newline at end of file