Created
May 29, 2020 00:20
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#install.packages("RSelenium") | |
library(RSelenium) | |
rd <- rsDriver(browser="firefox", check = F) | |
browser <- rd$client | |
browser$navigate("https://twitter.com/explore") | |
input <- browser$findElement(using = "xpath", "//input[@enterkeyhint='search']") | |
input$sendKeysToElement(list("$python", key = 'enter')) | |
# $python since:2020-05-20 until:2020-05-25 | |
keyword <- "$python" | |
since <- "2020-05-20" | |
until <- "2020-05-25" | |
query <- sprintf("%s since:%s until:%s", keyword, since, until) | |
query | |
input$clearElement() | |
input$sendKeysToElement(list(query, key = 'enter')) | |
tws <- browser$findElements(using = "xpath", "//div[@data-testid = 'tweet']") | |
tw0 <- tws[[1]] | |
str(tw0) | |
tw0$getElementText() | |
tw0$getElementAttribute('innerHTML') | |
html <- tw0$getElementAttribute('innerHTML') | |
library(rvest) | |
date <- read_html(html[[1]]) %>% html_node("time") %>% html_attr("datetime") %>% head(1) | |
reply <- read_html(html[[1]]) %>% html_nodes(xpath="//div[@data-testid = 'reply']") %>% | |
html_text() | |
retweet <- read_html(html[[1]]) %>% html_nodes(xpath="//div[@data-testid = 'retweet']") %>% | |
html_text() | |
like <- read_html(html[[1]]) %>% html_nodes(xpath="//div[@data-testid = 'like']") %>% | |
html_text() | |
text <- tw0$getElementText()[[1]] | |
get_tweet <- function(tw0){ | |
html <- tw0$getElementAttribute('innerHTML') | |
date <- read_html(html[[1]]) %>% html_nodes("time") %>% html_attr("datetime") | |
reply <- read_html(html[[1]]) %>% html_nodes(xpath="//div[@data-testid = 'reply']") %>% | |
html_text() | |
retweet <- read_html(html[[1]]) %>% html_nodes(xpath="//div[@data-testid = 'retweet']") %>% | |
html_text() | |
like <- read_html(html[[1]]) %>% html_nodes(xpath="//div[@data-testid = 'like']") %>% | |
html_text() | |
text <- tw0$getElementText()[[1]] | |
L <- c(date = date, reply = reply, retweet = retweet, like = like, | |
text = text) | |
return(L) | |
} | |
lapply(tws, get_tweet) | |
twee <- lapply(tws, get_tweet) %>% as.data.frame %>% t %>% as.data.frame | |
rownames(twee) <- 1:nrow(twee) | |
browser$executeScript("window.scrollTo(0, 3200)") | |
browser$executeScript("return document.body.scrollHeight") | |
last_height <- browser$executeScript("return document.body.scrollHeight")[[1]] | |
all_tweets <- c() | |
while (TRUE){ | |
browser$executeScript("window.scrollTo(0, document.body.scrollHeight)") | |
Sys.sleep(4) | |
new_height <- browser$executeScript("return document.body.scrollHeight")[[1]] | |
tweets <- browser$findElements(using = "xpath", "//div[@data-testid = 'tweet']") | |
twee <- lapply(tweets, get_tweet) | |
all_tweets <- c(all_tweets, twee) | |
if (new_height == last_height){break} | |
last_height <- new_height | |
} | |
all_tweets | |
my_check <- function(v){ | |
if (length(v) !=5){v <- v[-2]}else{v} | |
return(v) | |
} | |
res <- lapply(all_tweets, my_check) | |
final <- res %>% as.data.frame %>% t %>% as.data.frame | |
rownames(final) <- 1:nrow(final) | |
str(final) | |
final$reply <- as.numeric(as.character(final$reply)) | |
final$like <- as.numeric(as.character(final$like)) | |
final$retweet <- as.numeric(as.character(final$retweet)) | |
final[is.na(final)] <- 0 | |
library(tidyverse) | |
str_extract(final$text, pattern = "@.+") | |
final <- final %>% mutate(user = str_extract(text, pattern = "@.+")) | |
str_extract(final$text, "·\\s[0-9]{1,2}\\s.+\\s") | |
str_split(final$text, "·\\s[0-9]{1,2}\\s.+\\s") |
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