old_contents: #!/usr/bin/python
  # -*- coding: utf-8 -*-
  
  from time import sleep
  
  from cachetools import LRUCache
  from kids.cache import cache
  
  from http_cache import http_get
  
  
  # examples
  # https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=PMC3039489&resulttype=core&format=json&tool=oadoi
  # https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=PMC3606428&resulttype=core&format=json&tool=oadoi
  # https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=10.1093/jisesa/iex068&resulttype=core&format=json&tool=oadoi
  
  
  @cache(use=LRUCache(maxsize=32))
  def query_pmc(query_text):
      if not query_text:
          return None
  
      # TODO: remove sleep once europe pmc pages are backfilled
      #  (pmh_version_first_available is populated for records from endpoint b5e840539009389b1a6)
      sleep(3)
  
      url_template = u"https://www.ebi.ac.uk/europepmc/webservices/rest/search?query={}&resulttype=core&format=json&tool=oadoi"
      url = url_template.format(query_text)
  
      r = http_get(url)
      data = r.json()
      result_list = data["resultList"]["result"]
      return result_list
  
new_contents: #!/usr/bin/python
  # -*- coding: utf-8 -*-
  
  from cachetools import LRUCache
  from kids.cache import cache
  
  from http_cache import http_get
  
  
  # examples
  # https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=PMC3039489&resulttype=core&format=json&tool=oadoi
  # https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=PMC3606428&resulttype=core&format=json&tool=oadoi
  # https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=10.1093/jisesa/iex068&resulttype=core&format=json&tool=oadoi
  
  
  @cache(use=LRUCache(maxsize=32))
  def query_pmc(query_text):
      if not query_text:
          return None
  
      url_template = u"https://www.ebi.ac.uk/europepmc/webservices/rest/search?query={}&resulttype=core&format=json&tool=oadoi"
      url = url_template.format(query_text)
  
      r = http_get(url)
      data = r.json()
      result_list = data["resultList"]["result"]
      return result_list
  
subject: Revert "apply caveman rate limiting to europe pmc api calls"