I was wondering whether it is possible to download data that I extracedt using Tick History v2 directly ont a linux server with, for example, linux command "wget".
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Is it possible to download data that I extracted using Tick History v2 directly onto a Linux server
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You can use the "wget" command to download extracted file from TRTH V2. However, you need to specify "Authorization: <Token>" in the header. Below is the sample of command.
wget -d --header="Authorization:Token_<token>" https://hosted.datascopeapi.reuters.com/RestApi/v1/Extractions/RawExtractionResults\(\'0x05c81050d50b3036\'\)/\$value -O "output.csv.gz"
@veerapath : Client has come back asking Could you please explain what the <Token> refers to. For example if my username is "Dominik" and my password is "Password" what would be the wget command?
@Beera.Rajesh: The authentication token is required by all API calls. A generated token is valid for 24 hours and can be requested from API endpoint RequestToken; passing in userID and password.
On linux you can use CURL to get a token by invoking the command:
curl -i -X POST -k -H "Content-Type: application/json" -H "Prefer: respond-async" -d "{\"Credentials\": { \"Username\": \"***\", \"Password\": \"***\"}}" https://hosted.datascopeapi.reuters.com/RestApi/v1/Authentication/RequestToken
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The token is an authentication token returned from authentication request. It needs to be added to each subsequent API request. For more informaiton, please see this tutorial.
The wget command I provided is a part of REST API which retreives extracted data from TRTH. Please see the "Retrieve the data from the server" step in this tutorial for the Schedule extraction and "Retrieve data - HTTP request" in this tutorial for the On Demand extraction.
However, to extract data , the client still needs to use TRTH REST API to create On Demand and Scehdule extraction or Web GUI to create Schedule extraction.
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invalid user name password error is occuring when usingg curl command with the syntax recommended
curl -i -X POST -k -H "Content-Type: application/json" -H "Prefer: respond-async" -d "{\"Credentials\": { \"Username\": \"******\", \"Password\": \"*******\"}}" https://<Internal ip>/RestApi/v1/Authentication/RequestToken
Response
HTTP/1.1 401 Unauthorized Set-Cookie: DSSAPI-COOKIE=R1530954311; path=/
Cache-Control: no-cache
Pragma: no-cache Content-Type: application/json; charset=utf-8
Expires: -1
Server: Microsoft-IIS/7.5
WWW-Authenticate: Basic
X-Request-Execution-Correlation-Id: a36a4bfa-4fff-425e-b0cb-aedb573883e0
X-App-Id: Custom.RestApi
X-App-Version: 11.1.534.64 Date: Wed, 12 Jul 2017 13:46:48 GMT
Content-Length: 52
{"error":{"message":"Invalid username or password"}}
