YQL request returning Connection refused

问题

The following PHP code (on Laravel) has been working for months until today, where I am now receiving a 502 error indicating connection refused:

$url = "https://query.yahooapis.com/v1/public/yql?q=select+%2A+from+yahoo.finance.quotes+where+symbol+in+%28%27YHOO%27%29&format=json&env=%20store%3A%2F%2Fdatatables.org%2Falltableswithkeys&callback=";

$data = file_get_contents($url);
dd($data);

When I login to the Yahoo Developer Console to test, I'm able to query the public datatables just fine. However, when I attempt to use the console to access any of the community datatables like this, I am returned the following (this error occurs with all community datatables):

{
 "error": {
  "lang": "en-US",
  "diagnostics": {
   "url": {
    "execution-start-time": "0",
    "execution-stop-time": "7",
    "execution-time": "7",
    "http-status-code": "502",
    "http-status-message": "Connection refused",
    "content": "http://www.datatables.org/yahoo/finance/yahoo.finance.quotes.xml"
   }
  },
  "description": "No definition found for Table yahoo.finance.quotes"
 }
}

Using a different machine/IP address, I am able to access these community tables just fine as long as I remain anonymous. Once I login to the Yahoo Developer Console, the Connection refused message appears again.

I suspect it has something to do with Yahoo possibly blacklisting my IP address or throttling my account as I run this script for every stock (3,000) once per day.

I attempted to access the URL referenced in the error message content node and it appears this site is down. I'm not sure if this content node matters to the API, as I am able to access it from a different IP address.

I'm open to suggestions and recommendations on how I can determine/fix this problem.

回答1:

Yahoo Community tables are stored in datatables.org, and datatables.org is down; that's why there's a querying problem.

http://www.datatables.org

回答2:

In one of the forum posts, a Yahoo employee has confirmed that the free EOD data has been terminated, and will not be reintroduced. Check out this thread and look for reply from Nixon. Yahoo is recently acquired by Verizon, and it must be the new direction.

However, if you check the Yahoo financial page, the CSV download link works, though differently now. It is through a new API that uses an authentication token "crumb" that is linked to a cookie when you access the page.

I have put together some quick Python3 code to download the same CSV as before through this new API. Please check out the GitHub project yahoo_quote_download.

来源：https://stackoverflow.com/questions/36027014/yql-request-returning-connection-refused

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php

yql

yahoo-api