PubmedSpreadsheet Generation Code

From GersteinInfo

Revision as of 11:11, 16 September 2011

parse_pmids.py

#!/usr/bin/python
import os, sys
from GoogleSpreadsheet import GoogleSpreadsheet
from datetime import datetime

master_spreadsheet_id = "******************"
worksheet_id = "od6"
master_spreadsheet = GoogleSpreadsheet(master_spreadsheet_id, worksheet_id)

ncbiquery = "/home/mpw6/new_papers/ncbiquery.txt"
ncbiFile = open(ncbiquery,'w')

def buildQuery(master_spreadsheet, ncbiFile):
       start = "http://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pubmed&id="
       pmids = 
       end = "&rettype=xml&retmode=file"
       for row in master_spreadsheet:
               if row['pmid']:
                       pmids += row['pmid'].lstrip('\) + ','
       pmids = pmids[:-1]
       out = start + pmids + end + '\n'
       ncbiFile.write(out)

buildQuery(master_spreadsheet, ncbiFile)

PubmedHandler.py

#!/usr/bin/python
# -*- coding: utf-8 -*-
from datetime import date
from xml.sax import ContentHandler
import xml.sax.saxutils

class PubmedHandler(ContentHandler):
   def __init__(self,output_file = 'export.tab'):
       self.file = file(output_file,'w')
       self.sep = '\t'
       self.data = {}
       self.key = 
       self.pmid = False
       self.authors = []
       self.handling = False
       self.elements = ['Initials',    #multiple, name unique
                        'LastName',    #multiple, name unique
                        'MedlineTA',   #unique
                        'PMID',        #unique
                        'OtherID',     #unique
                        'MedlinePgn',  #unique
                        'Volume',      #unique
                        'Issue',       #unique
                        'Year',        #inside PubDate
                        'Month',       #inside PubDate
                        'Day',         #inside PubDate
                        'ArticleTitle', #unique
                        'CollectiveName',#unique
                        'ArticleId',
                        'PubDate',
                        ]
       self.file.write(self.get_header())
     
   def __del__(self):
       self.file.close()

   def startElement(self,name,attrs):
       if name == 'PubmedArticle':
           self.data = {'PMID':}
           self.authors = []
           self.is_articledate = False
           self.is_pubdate = False
           self.pmid = 0
           self.handling = False
      elif name == 'PubDate':
       	self.is_pubdate = True
       	self.data['Year'] = 
       	self.data['Month']= 
       	self.data['Day'] =                 
       elif name in self.elements:
           if name == 'ArticleId':
               if attrs.getValue('IdType') == 'pmc':
                   self.key = 'PMCID'
                   self.data['PMCID'] = 
                   self.handling = True
           else:    
               self.key = name
               self.handling = True
           if name == 'PMID':
               self.pmid += 1
           if name not in ['Year','Month','Day','PMID']:
               self.data[name] = 
          
   def endElement(self,name):       
       if name == 'PubmedArticle':
           self.write_to_file()
       elif name == 'PubDate':
           self.is_pubdate = False
       elif name == 'Author': #merge author
           if self.get_data('Initials'):
               self.authors.append(self.get_data('Initials') + ' ' + self.get_data('LastName'))
           if self.get_data('CollectiveName'):
               self.authors.append(self.get_data('CollectiveName'))
           self.data['CollectiveName'] = 
       self.handling = False
        
   def characters(self,content):       
       if self.handling:
           if self.key in ['Year','Month','Day']:
               if self.is_pubdate:
                   self.data[self.key] += content
           elif self.key == 'PMID':
               if self.pmid == 1:
                   self.data[self.key] += content
           else:
               self.data[self.key] += xml.sax.saxutils.escape(content)

       def write_to_file(self):
       try:
           self.file.write(self.get_row().encode('utf-8'))
       except UnicodeEncodeError as anomerr:
           print anomerr
           print self.get_row()
           return[]

      def get_row(self):
       return self.sep.join([', '.join(self.authors),
               self.get_data('MedlineTA'),
               self.get_data('PMID'),
               self.get_data('MedlinePgn'),
               self.get_data('Volume'),
               self.get_data('Year'),
               self.get_citation(),
               self.get_data('ArticleTitle'),
               self.get_data('PMCID')]) + '\n'

       def get_citation(self):

       citation += '' + self.get_data('MedlineTA') + '' + ' '
       date_str = 
       ref_str = 
       #build date string
       if self.get_data('Year'):
           date_str += self.get_data('Year')
       if self.get_data('Month'):
           date_str += ' ' + self.get_data('Month')
       if self.get_int_data('Day'):
           date_str += ' %d' % self.get_int_data('Day')
       date_str = date_str.strip()
       
       #build ref string
       if self.get_data('Volume'):
           ref_str += self.get_data('Volume')
       #if self.get_data('Issue'):
       #    ref_str += '('+self.get_data('Issue')+')'
       if self.get_data('MedlinePgn'):
           ref_str += ':' + self.get_data('MedlinePgn')
           
       ref_str = ref_str.strip()
       
       #if date_str:
           #citation += date_str
       if ref_str:
           #if date_str:
               #citation += ';'
           citation += ref_str
       if citation[-1] != '.':
           citation += '.'
       return citation
               
   def get_data(self,key):
       if self.data.has_key(key):
           return self.data[key]
       return 
   
   def get_int_data(self,key):
       val = self.get_data(key)
       try:
           val = int(val)
           return val
       except ValueError:
           pass
       return 0
       
   def get_header(self):
       return self.sep.join(['Authors','Journal','PMID','Pages','Volume','Year','Citation','Title','PMCID']) + '\n'