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Add parser utils to parserutils.nim
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3 changed files with 161 additions and 77 deletions
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@ -12,6 +12,7 @@ Inspired by the [invidio.us](https://github.com/omarroth/invidious) project.
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- Dark theme
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## Installation
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```bash
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git clone https://github.com/zedeus/nitter
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cd nitter
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@ -23,6 +24,9 @@ like the title, this will change as the project matures a bit. For now the focus
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is on implementing missing features.
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## Todo (roughly in this order)
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- Line connecting posts in threads
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- "Show Thread" button
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- Twitter "Cards" (link previews)
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- Nitter link previews
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- Search (+ hashtag search)
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@ -39,6 +43,7 @@ is on implementing missing features.
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- Nitter logo
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## Why?
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It's basically impossible to use Twitter without JavaScript enabled. If you try,
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you're redirected to the legacy mobile version which is awful both functionally
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and aesthetically. For privacy-minded folks, preventing JavaScript analytics and
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122
src/parser.nim
122
src/parser.nim
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@ -1,103 +1,71 @@
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import xmltree, sequtils, strtabs, strutils, strformat, json, times
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import nimquery, regex
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import xmltree, sequtils, strtabs, strutils, strformat
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import nimquery
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import ./types, ./formatters
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proc getAttr(node: XmlNode; attr: string; default=""): string =
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if node.isNil or node.attrs.isNil: return default
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return node.attrs.getOrDefault(attr)
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proc selectAttr(node: XmlNode; selector: string; attr: string; default=""): string =
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let res = node.querySelector(selector)
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if res == nil: "" else: res.getAttr(attr, default)
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proc selectText(node: XmlNode; selector: string): string =
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let res = node.querySelector(selector)
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result = if res == nil: "" else: res.innerText()
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import ./types, ./parserutils
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proc parsePopupProfile*(node: XmlNode): Profile =
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let profile = node.querySelector(".profile-card")
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if profile.isNil: return
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result = Profile(
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fullname: profile.selectText(".fullname").strip(),
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username: profile.selectText(".username").strip(chars={'@', ' '}),
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description: profile.selectText(".bio"),
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verified: profile.selectText(".Icon.Icon--verified").len > 0,
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protected: profile.selectText(".Icon.Icon--protected").len > 0,
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userpic: profile.selectAttr(".ProfileCard-avatarImage", "src").getUserpic(),
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banner: profile.selectAttr("svg > image", "xlink:href").replace("600x200", "1500x500")
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fullname: profile.getName(".fullname"),
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username: profile.getUsername(".username"),
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description: profile.getBio(".bio"),
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userpic: profile.getAvatar(".ProfileCard-avatarImage"),
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verified: isVerified(profile),
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protected: isProtected(profile),
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banner: getBanner(profile)
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)
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if result.banner.len == 0:
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result.banner = profile.selectAttr(".ProfileCard-bg", "style")
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let stats = profile.querySelectorAll(".ProfileCardStats-statLink")
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for s in stats:
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let text = s.getAttr("title").split(" ")[0]
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case s.getAttr("href").split("/")[^1]
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of "followers": result.followers = text
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of "following": result.following = text
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else: result.tweets = text
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result.getPopupStats(profile)
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proc parseIntentProfile*(profile: XmlNode): Profile =
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result = Profile(
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fullname: profile.selectText("a.fn.url.alternate-context").strip(),
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username: profile.selectText(".nickname").strip(chars={'@', ' '}),
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userpic: profile.querySelector(".profile.summary").selectAttr("img.photo", "src").getUserPic(),
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description: profile.selectText("p.note").strip(),
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verified: not profile.querySelector("li.verified").isNil,
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protected: not profile.querySelector("li.protected").isNil,
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banner: "background-color: #161616",
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tweets: "?"
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fullname: profile.getName("a.fn.url.alternate-context"),
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username: profile.getUsername(".nickname"),
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description: profile.getBio("p.note"),
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userpic: profile.querySelector(".profile.summary").getAvatar("img.photo"),
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verified: not profile.querySelector("li.verified").isNil,
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protected: not profile.querySelector("li.protected").isNil,
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banner: getBanner(profile)
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)
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for stat in profile.querySelectorAll("dd.count > a"):
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case stat.getAttr("href").split("/")[^1]
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of "followers": result.followers = stat.innerText()
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of "following": result.following = stat.innerText()
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result.getIntentStats(profile)
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proc parseTweetProfile*(profile: XmlNode): Profile =
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result = Profile(
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fullname: profile.getAttr("data-name"),
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username: profile.getAttr("data-screen-name"),
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userpic: profile.selectAttr(".avatar", "src").getUserpic(),
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verified: profile.selectText(".Icon.Icon--verified").len > 0
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userpic: profile.getAvatar(".avatar"),
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verified: isVerified(profile)
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)
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proc parseQuote*(tweet: XmlNode): Tweet =
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let tweet = tweet.querySelector(".QuoteTweet-innerContainer")
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result = Tweet(
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id: tweet.getAttr("data-item-id"),
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link: tweet.getAttr("href"),
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text: tweet.selectText(".QuoteTweet-text")
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)
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result.profile = Profile(
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fullname: tweet.getAttr("data-screen-name"),
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username: tweet.selectText(".QuteTweet-fullname"),
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verified: isVerified(tweet)
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)
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proc parseTweet*(tweet: XmlNode): Tweet =
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let time = tweet.querySelector(".js-short-timestamp")
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result = Tweet(
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id: tweet.getAttr("data-item-id"),
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link: tweet.getAttr("data-permalink-path"),
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text: tweet.selectText(".tweet-text").stripTwitterUrls(),
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pinned: "pinned" in tweet.getAttr("class"),
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profile: parseTweetProfile(tweet),
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time: fromUnix(parseInt(time.getAttr("data-time", "0"))),
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shortTime: time.innerText(),
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replies: "0",
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likes: "0",
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retweets: "0"
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id: tweet.getAttr("data-item-id"),
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link: tweet.getAttr("data-permalink-path"),
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profile: parseTweetProfile(tweet),
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text: getTweetText(tweet),
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time: getTimestamp(tweet),
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shortTime: getShortTime(tweet),
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pinned: "pinned" in tweet.getAttr("class")
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)
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for action in tweet.querySelectorAll(".ProfileTweet-actionCountForAria"):
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let text = action.innerText.split()
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case text[1]
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of "replies": result.replies = text[0]
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of "likes": result.likes = text[0]
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of "retweets": result.retweets = text[0]
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else: discard
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for photo in tweet.querySelectorAll(".AdaptiveMedia-photoContainer"):
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result.photos.add photo.attrs["data-image-url"]
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let player = tweet.selectAttr(".PlayableMedia-player", "style")
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if player.len > 0:
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let thumb = player.replace(re".+:url\('([^']+)'\)", "$1")
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if "tweet_video" in thumb:
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result.gif = some(thumb.replace(re".+thumb/([^\.']+)\.jpg.*", "$1"))
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else:
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result.videoThumb = some(thumb)
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result.getTweetStats(tweet)
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result.getTweetMedia(tweet)
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let by = tweet.selectText(".js-retweet-text > a > b")
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if by.len > 0:
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111
src/parserutils.nim
Normal file
111
src/parserutils.nim
Normal file
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@ -0,0 +1,111 @@
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import xmltree, strtabs, times
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import nimquery, regex
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import ./types, ./formatters
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const
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thumbRegex = re".+:url\('([^']+)'\)"
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gifRegex = re".+thumb/([^\.']+)\.jpg.*"
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proc getAttr*(node: XmlNode; attr: string; default=""): string =
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if node.isNil or node.attrs.isNil: return default
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return node.attrs.getOrDefault(attr)
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proc selectAttr*(node: XmlNode; selector: string; attr: string; default=""): string =
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let res = node.querySelector(selector)
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if res == nil: "" else: res.getAttr(attr, default)
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proc selectText*(node: XmlNode; selector: string): string =
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let res = node.querySelector(selector)
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result = if res == nil: "" else: res.innerText()
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proc isVerified*(profile: XmlNode): bool =
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profile.selectText(".Icon.Icon--verified").len > 0
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proc isProtected*(profile: XmlNode): bool =
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profile.selectText(".Icon.Icon--protected").len > 0
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proc getName*(profile: XmlNode; selector: string): string =
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profile.selectText(selector).strip()
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proc getUsername*(profile: XmlNode; selector: string): string =
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profile.selectText(selector).strip(chars={'@', ' '})
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proc getTweetText*(tweet: XmlNode): string =
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let selector = ".tweet-text > a.twitter-timeline-link.u-hidden"
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let link = tweet.selectAttr(selector, "data-expanded-url")
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var text =tweet.selectText(".tweet-text")
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if link.len > 0 and link in text:
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text = text.replace(link, " " & link)
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stripTwitterUrls(text)
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proc getTime(tweet: XmlNode): XmlNode =
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tweet.querySelector(".js-short-timestamp")
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proc getTimestamp*(tweet: XmlNode): Time =
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let time = getTime(tweet).getAttr("data-time", "0")
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fromUnix(parseInt(time))
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proc getShortTime*(tweet: XmlNode): string =
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getTime(tweet).innerText()
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proc getBio*(profile: XmlNode; selector: string): string =
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profile.selectText(selector).strip()
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proc getAvatar*(profile: XmlNode; selector: string): string =
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profile.selectAttr(selector, "src").getUserpic()
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proc getBanner*(tweet: XmlNode): string =
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let url = tweet.selectAttr("svg > image", "xlink:href")
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if url.len > 0:
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result = url.replace("600x200", "1500x500")
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else:
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result = tweet.selectAttr(".ProfileCard-bg", "style")
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if result.len == 0:
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result = "background-color: #161616"
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proc getPopupStats*(profile: var Profile; node: XmlNode) =
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for s in node.querySelectorAll( ".ProfileCardStats-statLink"):
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let text = s.getAttr("title").split(" ")[0]
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case s.getAttr("href").split("/")[^1]
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of "followers": profile.followers = text
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of "following": profile.following = text
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else: profile.tweets = text
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proc getIntentStats*(profile: var Profile; node: XmlNode) =
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profile.tweets = "?"
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for s in node.querySelectorAll( "dd.count > a"):
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let text = s.innerText()
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case s.getAttr("href").split("/")[^1]
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of "followers": profile.followers = text
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of "following": profile.following = text
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proc getTweetStats*(tweet: var Tweet; node: XmlNode) =
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tweet.replies = "0"
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tweet.retweets = "0"
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tweet.likes = "0"
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for action in node.querySelectorAll(".ProfileTweet-actionCountForAria"):
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let text = action.innerText.split()
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case text[1]
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of "replies": tweet.replies = text[0]
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of "likes": tweet.likes = text[0]
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of "retweets": tweet.retweets = text[0]
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proc getTweetMedia*(tweet: var Tweet; node: XmlNode) =
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for photo in node.querySelectorAll(".AdaptiveMedia-photoContainer"):
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tweet.photos.add photo.attrs["data-image-url"]
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let player = node.selectAttr(".PlayableMedia-player", "style")
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if player.len == 0:
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return
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let thumb = player.replace(thumbRegex, "$1")
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if "tweet_video" in thumb:
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tweet.gif = some(thumb.replace(gifRegex, "$1"))
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else:
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tweet.videoThumb = some(thumb)
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