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1 import time 2 from urllib2 import urlopen 3 import shelve 4 from threading import Lock 5 import sys 68 ''' 9 10 ''' 11 12 _last_request=0 13 _interval=3 14 1737 3819 now=time.time() 20 delta = now - EUtils._last_request 21 while delta < EUtils._interval: 22 time.sleep(delta) 23 now=time.time() 24 delta = now - EUtils._last_request2527 self.wait() 28 EUtils._last_request=time.time() 29 t = EUtils._last_request 30 print >>sys.stderr,"Sending request to NCBI @ %f" % t 31 data = urlopen(url).read() 32 print >>sys.stderr,"Data red from NCBI @ %f (%f)" % (t,time.time()-t) 33 return data3440 ''' 41 42 '''5443 - def __init__(self,db,tool='OBITools', 44 retmode='text',rettype="native", 45 server='eutils.ncbi.nlm.nih.gov'):46 EUtils.__init__(self) 47 self._url = "http://%s/entrez/eutils/efetch.fcgi?db=%s&tool=%s&retmode=%s&rettype=%s" 48 self._url = self._url % (server,db,tool,retmode,rettype)49 5052 key = "&".join(['%s=%s' % x for x in args.items()]) 53 return self._sendRequest(self._url +"&" + key)
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