nav[aria-label="Primary Navigation"] { padding: 0; & ul { list-style: none; width: 100%; display: flex; flex-direction: row; justify-content: start; align-items: start; gap: 30px; padding: 0; & li { margin: 0; } & ul li { list-style: none; } } }

ld.discovery.search for multiple instruments

jonathan.legrand0

Is it possible to use `ld.discovery.search` for multiple instruments? When I try:

```

ld.discovery.search( # view="EquityInstruments", query=["PA1436583006", "US5128071082"], select='ExchangeCode')
```

I get:

`LDError: Error code 400 | Validation error: json.Query in body must be of type string: "array"`

even though

```
ld.discovery.search( # view="EquityInstruments", query="PA1436583006", # ,US5128071082", select='ExchangeCode')
```

works fine…

Is there away to make this work using the backend API and RDP? And if there is, does it help in reducing the number of API calls made? I'm asking because otherwise I'm better off writing a loop with `ld.discovery.search`, but I'm afraid that I'll reach my API limit quickly…

Find more posts tagged with

python

rdp

workspace

#technology

#product

lseg-data-library

rdp search

Accepted answers

Jirapongse

@jonathan.legrand0

You can use the filter argument instead. For example:

ld.discovery.search(
    view = ld.discovery.Views.SEARCH_ALL,
    top = 1000,
    filter = "OldQuoteISINs in ('PA1436583006' 'US5128071082')",
    select = "OldQuoteISINs, RIC, ExchangeCode, BusinessEntity, DocumentTitle, AssetState"
)

All comments

wasin.w V3

Hello @jonathan.legrand0

Thank you for reaching out. I have checked the library search() method with the Python help command. The method parameters are mostly supporting string input type as follow.

I also checked the backend Data Platform APIs /discovery/search/v1/lookup and /discovery/searchlight/v1/lookup endpoints via the RDP API Playground page. The endpoints support the query parameter as a "free text" which is basically string.

I strongly suggest you check with the Data Platform /discovery/search Support team to verify the endpoint rate limit and adjust you code to reduce your data request to match the endpoint rate limit and data limit.

Jirapongse

@jonathan.legrand0

You can use the filter argument instead. For example:

ld.discovery.search(
    view = ld.discovery.Views.SEARCH_ALL,
    top = 1000,
    filter = "OldQuoteISINs in ('PA1436583006' 'US5128071082')",
    select = "OldQuoteISINs, RIC, ExchangeCode, BusinessEntity, DocumentTitle, AssetState"
)

jonathan.legrand0

Thank you @wasin.w V3! @Jirapongse !

EXPLORE OUR SITES