ncbi_acc_download.errors.DownloadError: Download failed with return code: 400

[shimingtan]

Hello there,

I came to an error when I was trying to download the Genbank file with an accession ID.

(tsm-py3) tanshiming@S620100019205:~/databases/mam_genes/combined-mam/fna$ ncbi-acc-download -m nucleotide AAL09996
Failed to download file with id AAL09996 from NCBI
Traceback (most recent call last):
  File "/home/tanshiming/anaconda3/envs/tsm-py3/bin/ncbi-acc-download", line 10, in <module>
    sys.exit(main())
  File "/home/tanshiming/anaconda3/envs/tsm-py3/lib/python3.6/site-packages/ncbi_acc_download/__main__.py", line 54, in main
    download_to_file(dl_id, config, filename, append)
  File "/home/tanshiming/anaconda3/envs/tsm-py3/lib/python3.6/site-packages/ncbi_acc_download/core.py", line 110, in download_to_file
    r = get_stream(url, params)
  File "/home/tanshiming/anaconda3/envs/tsm-py3/lib/python3.6/site-packages/ncbi_acc_download/download.py", line 90, in get_stream
    raise DownloadError("Download failed with return code: {}".format(r.status_code))
ncbi_acc_download.errors.DownloadError: Download failed with return code: 400

Could you please advice? Appreciate your input!

[kblin]

Hi. I think the issue is that AAL09996 seems to be a protein record and you're requesting a nucleotide entry. This causes the Entrez server to return the error code 400.

I think I need to make the error message more clear for this, sorry about that.

[kblin]

Just to follow up ncbi-acc-download -m protein AAL09996 works just fine and grabs the protein FASTA file for AAL09996.

[kblin]

I just realised this is a duplicate #1 for the "enhancement" part. I'll just go ahead and close the issue, but feel free to ask again if you still have questions.