def get_random_ncbi_ids_set(count, db, keyword_search):
"""Get random NCBI ids"""
logging.info('Fetching {} NCBI IDs for the {} database'.format(count, db))
if not config.ENTREZ_EMAIL:
msg = (
"ENTREZ_EMAIL environnment variable undefined. "
"You must define one with a valid email to use this program."
)
logging.error(msg)
raise ConfigurationError(msg)
Entrez.email = config.ENTREZ_EMAIL
retstart = random.randint(1, 10000)
retmax = count * 10
handle = Entrez.esearch(
db=db, retmax=retmax, retstart=retstart, term=keyword_search
)
pub_search = Entrez.read(handle)
handle.close()
return get_random_ids(pub_search['IdList'], count)
def search_info(self, term, options=''):
Entrez.email = self.email
search_handle = Entrez.esearch(db="nucleotide",
term=term+options,
usehistory="y")
search_results = Entrez.read(search_handle)
search_handle.close()
webenv = search_results["WebEnv"]
query_key = search_results["QueryKey"]
gi_list = search_results["IdList"]
retmax = int(search_results["RetMax"])
count = int(search_results["Count"])
assert retmax == len(gi_list)
dict = {"Count": count, "IdList": gi_list, "ReturnMax": retmax,
"WebEnv": webenv, "QueryKey": query_key}
return dict
def fetch_ncbi(ID, db, fmt='fasta', output_path='.'):
"""Fetch a ncbi entity
Args:
ID: NCBI ID
fmt: file format
output_path: path to output downloaded files
"""
logging.info('Fetching NCBI ID {} with format {}...'.format(ID, fmt))
filename = '{id}.{fmt}'.format(id=ID, fmt=fmt)
db_fmt_path = os.path.join(output_path, fmt, db)
output_file = os.path.join(db_fmt_path, filename)
os.makedirs(db_fmt_path, exist_ok=True)
handle = Entrez.efetch(db=db, id=ID, rettype=fmt, retmode="text")
response = handle.read()
with open(output_file, 'w') as f:
f.write(response)
def fetch_ncbi(ID, db, fmt='fasta', output_path='.'):
"""Fetch a ncbi entity
Args:
ID: NCBI ID
fmt: file format
output_path: path to output downloaded files
"""
logging.info('Fetching NCBI ID {} with format {}...'.format(ID, fmt))
filename = '{id}.{fmt}'.format(id=ID, fmt=fmt)
db_fmt_path = os.path.join(output_path, fmt, db)
output_file = os.path.join(db_fmt_path, filename)
os.makedirs(db_fmt_path, exist_ok=True)
handle = Entrez.efetch(db=db, id=ID, rettype=fmt, retmode="text")
response = handle.read()
with open(output_file, 'w') as f:
f.write(response)
def search(self, organism='', options='', batch_size=50, progress=True):
Entrez.email = self.email
search_handle = Entrez.esearch(db="nucleotide",
term=organism+options,
usehistory="y")
search_results = Entrez.read(search_handle)
search_handle.close()
webenv = search_results["WebEnv"]
query_key = search_results["QueryKey"]
gi_list = search_results["IdList"]
retmax = int(search_results["RetMax"])
count = int(search_results["Count"])
if count == 0:
return
assert retmax == len(gi_list)
### Download data referred to in the previous search in batches
tinyseqxml = organism + '.tseqxml'
if not os.path.isfile(tinyseqxml):
widgets = [tinyseqxml + "\t", Percentage(), ' ',
Bar(marker=RotatingMarker()),
' ', ETA(), ' ', FileTransferSpeed(unit='r')]
out_handle = open(tinyseqxml, "w")
pbar = ProgressBar(widgets=widgets,
maxval=count,
term_width=int(self.columns) - 20)
for start in range(0, count, batch_size):
#end = min(count, start + batch_size)
#print("Going to download record %i to %i" % (start+1, end))
fetch_handle = Entrez.efetch(db="nucleotide",
rettype="fasta",
retmode="xml",
retstart=start,
retmax=batch_size,
webenv=webenv,
query_key=query_key)
data = fetch_handle.read()
fetch_handle.close()
out_handle.write(data)
status = (start + 1) / float(count)
if progress and pbar.seconds_elapsed == 0:
pbar.start()
if status > 0.001 and progress:
pbar.term_width = int(self.columns) - 20
pbar.update(status * count)
if progress:
pbar.finish()
out_handle.close()
## At this point, file may be a stream of multiple XML documents.
### Do not parse as one single XML document.
### Beautiful Soup PUNCH! (Think Donkey Kong)
start = CURRENT_MILLI_TIME()
soup = BeautifulSoup(open(tinyseqxml, "r"), "lxml")
end = CURRENT_MILLI_TIME()
print "Finished Parsing XML in " + str(end - start) + " ms"
return soup.find_all('tseq')
def server_info(self):
Entrez.email = self.email
handle = Entrez.einfo(db="nucleotide")
record = Entrez.read(handle)
handle.close()
return record
def fetch_count_from_api(term):
try:
handle = Entrez.esearch(db="pubmed", term=term, rettype="count")
search_result = Entrez.read(handle)
except Exception, e:
raise e
# -*- coding: utf-8 -*-
"""
Created on Fri Mar 18 11:18:38 2016
@author: tanfan.zjh
"""
from Bio_Eutils import Entrez, Medline
Entrez.email = "*****@*****.**"
# Search for PMIDs from author text based search
handle = Entrez.esearch(db="pubmed", retmax=100000, term="Arabidopsis Thaliana")
pub_search = Entrez.read(handle)
handle.close()
print pub_search
'''
# Fetch matching entries
handle = Entrez.efetch(db='pubmed', id=pub_search['IdList'], retmax=20, rettype="medline", retmode="text")
pub_items = Medline.parse(handle)
# Work with it
for pub_item in pub_items:
print "*" * 10
print "%s - %s." % (
pub_item.get("TI","?"),
", ".join(pub_item.get("AB","?"))
)
handle.close()
'''
