def fidsToSequences(fidlist, config):
''' Given a list of feature IDs, returns a dictionary from FID to its amino acid sequence.
@note Features with no amino acid sequence are discarded.
@param List of feature IDs
@param config Dictionary of configuration variables
@return Dictionary keyed by feature ID of amino acid sequence for feature
'''
cdmi = CDMI_API(config["cdmi_url"])
fidlist = list(set(fidlist))
start = 0
increment = 5000
end = start + increment
counter = len(fidlist)
seqs = {}
while counter > 0:
try:
ps = cdmi.fids_to_protein_sequences(fidlist[start:end])
except HTTPError as e:
if increment > 1:
increment = increment / 2
end = start + increment
sys.stderr.write("caught '%s' error, increment is now %d\n" %(e.reason, increment))
continue
seqs.update(ps)
# Move to next sub-list
start += increment
end += increment
if end >= len(fidlist):
end = len(fidlist)
counter -= increment
return seqs
