Comments (5)
Thanks a lot, I indeed have reached the maximum already 😅
ChemSpider Response Error Details: "429: Too Many Requests. Send fewer requests, or use rate-limiting to slow them down, then try again.".
yes, those 1k are probably the monthly query max.
Thanks again, I'll try a workaround with chemspider.
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Alright, I'll close the issue now.
If there are any other troubles, feel free to open a new issue!
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Hi @giovp,
Before using the functionalities of the package you will need the compound API key, which will be a 32 character string. The API secret does not have to be provided to the package.
Unfortunately, the ChemSpider API does not support the direct conversion from InChIKey
to SMILES
. However, you can go for a two-step processes, first converting your InChIKey
s to InChI
strings, then converting the InChI
strings to SMILES
.
The possible conversion options are also named in the help file that you can access via help(post_convert)
.
Please let me know if this works for you!
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Hi @RaoulWolf ,
thanks a lot for the prompt reply, I did a test run and it works. Couple of more questions on the matter:
- do you think I can lower the 4seconds sleeptime for the query? Or is that sort of best practice settings that usually works?
- in the chemspider api key application it mentions something like 1000 compounds limit. What does that mean>? That I can only send 1k query in total with my key,and then Iwould have to use another one?
Thank you again for the help, and btw the documentation+package is really great, for somebody who has zero knowledge on the topic it was very intuitive and practical.
Thank you!
Giovanni
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The 4 second example is based on one of the common query restrictions for ChemSpider's API services. You always have an upper monthly limit (for example 1000 queries per month, depending on your subscription), but also a limit on how many requests per minute can be submitted (for example 15 queries per minute). This minute-limitation is achieved by introducing the rate limits as shown in the vignette; for 15 queries per minute this translates to the 4 second sleep time per query. Those limitations are based on your API subscription, and if in doubt I suggest contacting ChemSpider directly.
The 1000 compounds you mention probably are in the context of monthly queries? Or do you mean in a particular function of the package?
Thanks for the kind words 😃 Glad you find it useful!
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