Phantomjs returns 404 in R when attempting webscraping
0
I am trying to collect some data from the OTC Markets (within the confines of their robots.txt) and I cannot connect to the webpage.
- The first step I tried was just to scrape the HTML right off the page, but the page requires javascript to load.
- So I downloaded phantomjs and connected that way. However, this leads to a 404 error page
- I then changed the user-agent to something resembling a user to see if it would let me connect and still, no luck! What is going on here
Here is a reproducible version of my code, any help would be appreciated. Phantomjs can be downloaded here: http://phantomjs.org/
library(rvest)
library(xml2)
library(V8)
# example website, I have no correlation to this stock
url <- 'https://www.otcmarkets.com/stock/YTROF/profile'
# create javascript file that phantomjs can process
writeLines(sprintf("var page = require('webpage').create();
page.settings.userAgent = 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.120 Safari/537.36';
page.open('%s', function () {
console.log(page.content); //page source
phantom.exit();
});", url), con="scrape.js")
html <- system("phantomjs.exe_PATH scrape.js", intern = TRUE)
page_html <- read_html(html)
r web-scraping phantomjs
asked Nov 12 '18 at 18:11
RobertLD
112
add a comment |
0
I am trying to collect some data from the OTC Markets (within the confines of their robots.txt) and I cannot connect to the webpage.
- The first step I tried was just to scrape the HTML right off the page, but the page requires javascript to load.
- So I downloaded phantomjs and connected that way. However, this leads to a 404 error page
- I then changed the user-agent to something resembling a user to see if it would let me connect and still, no luck! What is going on here
Here is a reproducible version of my code, any help would be appreciated. Phantomjs can be downloaded here: http://phantomjs.org/
library(rvest)
library(xml2)
library(V8)
# example website, I have no correlation to this stock
url <- 'https://www.otcmarkets.com/stock/YTROF/profile'
# create javascript file that phantomjs can process
writeLines(sprintf("var page = require('webpage').create();
page.settings.userAgent = 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.120 Safari/537.36';
page.open('%s', function () {
console.log(page.content); //page source
phantom.exit();
});", url), con="scrape.js")
html <- system("phantomjs.exe_PATH scrape.js", intern = TRUE)
page_html <- read_html(html)
r web-scraping phantomjs
asked Nov 12 '18 at 18:11
RobertLD
112
backend.otcmarkets.com/otcapi/stock/trade/inside/… && backend.otcmarkets.com/otcapi/company/profile/full/… && backend.otcmarkets.com/otcapi/stock/trade/inside/… (Developer Tools is ur bff; those return lovely JSON; the parameters seem sane and repeatable with other stocks; i.e. you don't need any scary phantoms) + 👍 for checking 🤖
– hrbrmstr
Nov 12 '18 at 18:20
Woah! I didn't know that was even an option. I appreciate the help, should I leave the original up for an answer for this problem regardless? @hrbrmstr
– RobertLD
Nov 12 '18 at 18:22
totally up to you. This is a regularly occurring thing on SO (esp in the R tag). For some reason folks haven't picked up on async XHR requests yet.
– hrbrmstr
Nov 12 '18 at 18:25
add a comment |
0
0
0
I am trying to collect some data from the OTC Markets (within the confines of their robots.txt) and I cannot connect to the webpage.
- The first step I tried was just to scrape the HTML right off the page, but the page requires javascript to load.
- So I downloaded phantomjs and connected that way. However, this leads to a 404 error page
- I then changed the user-agent to something resembling a user to see if it would let me connect and still, no luck! What is going on here
Here is a reproducible version of my code, any help would be appreciated. Phantomjs can be downloaded here: http://phantomjs.org/
library(rvest)
library(xml2)
library(V8)
# example website, I have no correlation to this stock
url <- 'https://www.otcmarkets.com/stock/YTROF/profile'
# create javascript file that phantomjs can process
writeLines(sprintf("var page = require('webpage').create();
page.settings.userAgent = 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.120 Safari/537.36';
page.open('%s', function () {
console.log(page.content); //page source
phantom.exit();
});", url), con="scrape.js")
html <- system("phantomjs.exe_PATH scrape.js", intern = TRUE)
page_html <- read_html(html)
r web-scraping phantomjs
asked Nov 12 '18 at 18:11
RobertLD
112
I am trying to collect some data from the OTC Markets (within the confines of their robots.txt) and I cannot connect to the webpage.
- The first step I tried was just to scrape the HTML right off the page, but the page requires javascript to load.
- So I downloaded phantomjs and connected that way. However, this leads to a 404 error page
- I then changed the user-agent to something resembling a user to see if it would let me connect and still, no luck! What is going on here
Here is a reproducible version of my code, any help would be appreciated. Phantomjs can be downloaded here: http://phantomjs.org/
library(rvest)
library(xml2)
library(V8)
# example website, I have no correlation to this stock
url <- 'https://www.otcmarkets.com/stock/YTROF/profile'
# create javascript file that phantomjs can process
writeLines(sprintf("var page = require('webpage').create();
page.settings.userAgent = 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.120 Safari/537.36';
page.open('%s', function () {
console.log(page.content); //page source
phantom.exit();
});", url), con="scrape.js")
html <- system("phantomjs.exe_PATH scrape.js", intern = TRUE)
page_html <- read_html(html)
r web-scraping phantomjs
r web-scraping phantomjs
asked Nov 12 '18 at 18:11
RobertLD
112
asked Nov 12 '18 at 18:11
RobertLD
112
asked Nov 12 '18 at 18:11
RobertLD
112
asked Nov 12 '18 at 18:11
RobertLD
112
asked Nov 12 '18 at 18:11
RobertLD
112
112
backend.otcmarkets.com/otcapi/stock/trade/inside/… && backend.otcmarkets.com/otcapi/company/profile/full/… && backend.otcmarkets.com/otcapi/stock/trade/inside/… (Developer Tools is ur bff; those return lovely JSON; the parameters seem sane and repeatable with other stocks; i.e. you don't need any scary phantoms) + 👍 for checking 🤖
– hrbrmstr
Nov 12 '18 at 18:20
Woah! I didn't know that was even an option. I appreciate the help, should I leave the original up for an answer for this problem regardless? @hrbrmstr
– RobertLD
Nov 12 '18 at 18:22
totally up to you. This is a regularly occurring thing on SO (esp in the R tag). For some reason folks haven't picked up on async XHR requests yet.
– hrbrmstr
Nov 12 '18 at 18:25
add a comment |
backend.otcmarkets.com/otcapi/stock/trade/inside/… && backend.otcmarkets.com/otcapi/company/profile/full/… && backend.otcmarkets.com/otcapi/stock/trade/inside/… (Developer Tools is ur bff; those return lovely JSON; the parameters seem sane and repeatable with other stocks; i.e. you don't need any scary phantoms) + 👍 for checking 🤖
– hrbrmstr
Nov 12 '18 at 18:20
Woah! I didn't know that was even an option. I appreciate the help, should I leave the original up for an answer for this problem regardless? @hrbrmstr
– RobertLD
Nov 12 '18 at 18:22
totally up to you. This is a regularly occurring thing on SO (esp in the R tag). For some reason folks haven't picked up on async XHR requests yet.
– hrbrmstr
Nov 12 '18 at 18:25
backend.otcmarkets.com/otcapi/stock/trade/inside/… && backend.otcmarkets.com/otcapi/company/profile/full/… && backend.otcmarkets.com/otcapi/stock/trade/inside/… (Developer Tools is ur bff; those return lovely JSON; the parameters seem sane and repeatable with other stocks; i.e. you don't need any scary phantoms) + 👍 for checking 🤖
– hrbrmstr
Nov 12 '18 at 18:20
backend.otcmarkets.com/otcapi/stock/trade/inside/… && backend.otcmarkets.com/otcapi/company/profile/full/… && backend.otcmarkets.com/otcapi/stock/trade/inside/… (Developer Tools is ur bff; those return lovely JSON; the parameters seem sane and repeatable with other stocks; i.e. you don't need any scary phantoms) + 👍 for checking 🤖
– hrbrmstr
Nov 12 '18 at 18:20
Woah! I didn't know that was even an option. I appreciate the help, should I leave the original up for an answer for this problem regardless? @hrbrmstr
– RobertLD
Nov 12 '18 at 18:22
Woah! I didn't know that was even an option. I appreciate the help, should I leave the original up for an answer for this problem regardless? @hrbrmstr
– RobertLD
Nov 12 '18 at 18:22
totally up to you. This is a regularly occurring thing on SO (esp in the R tag). For some reason folks haven't picked up on async XHR requests yet.
– hrbrmstr
Nov 12 '18 at 18:25
totally up to you. This is a regularly occurring thing on SO (esp in the R tag). For some reason folks haven't picked up on async XHR requests yet.
– hrbrmstr
Nov 12 '18 at 18:25
add a comment |
0
active
oldest
votes
Your Answer
StackExchange.ifUsing("editor", function () {
StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
});
});
}, "code-snippets");
StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});
function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});
}
});
draft saved
draft discarded
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53267813%2fphantomjs-returns-404-in-r-when-attempting-webscraping%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
0
active
oldest
votes
0
active
oldest
votes
active
oldest
votes
active
oldest
votes
draft saved
draft discarded
Thanks for contributing an answer to Stack Overflow!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
Some of your past answers have not been well-received, and you're in danger of being blocked from answering.
Please pay close attention to the following guidance:
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
draft saved
draft discarded
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53267813%2fphantomjs-returns-404-in-r-when-attempting-webscraping%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
backend.otcmarkets.com/otcapi/stock/trade/inside/… && backend.otcmarkets.com/otcapi/company/profile/full/… && backend.otcmarkets.com/otcapi/stock/trade/inside/… (Developer Tools is ur bff; those return lovely JSON; the parameters seem sane and repeatable with other stocks; i.e. you don't need any scary phantoms) + 👍 for checking 🤖
– hrbrmstr
Nov 12 '18 at 18:20
Woah! I didn't know that was even an option. I appreciate the help, should I leave the original up for an answer for this problem regardless? @hrbrmstr
– RobertLD
Nov 12 '18 at 18:22
totally up to you. This is a regularly occurring thing on SO (esp in the R tag). For some reason folks haven't picked up on async XHR requests yet.
– hrbrmstr
Nov 12 '18 at 18:25