getWidth.py

import BeautifulSoup
import re
import urllib2

import csv

DataBase = []

DataBaseCSV = []
DataBaseCSV.append(['PDG-LinkID', 'Type', 'Width'])

ParticleTypeLinks = [ ['M', ['005', '020', '035', '040', '045', '046', '049', '025', '030']] ,['B', ['005', '010', '020', '025', '030', '035', '040', '043', '045', '012']] ]

for PtypeLink in ParticleTypeLinks:
	typeLink = PtypeLink[0]
	Lists = PtypeLink[1]
	for pageID in Lists:
		print("\n New  List.")
		print(typeLink + pageID)
		print("*************")
		url = "http://pdglive.lbl.gov/ParticleGroup.action?init=0&node=" + typeLink + "XXX" + pageID
		requestingURL = urllib2.Request(url, headers={'User-Agent' : "Magic Browser"}) 
		page = urllib2.urlopen(requestingURL).read()

		linksRegex = r'node=(.*?)"'
		linkIDs = re.findall(linksRegex, page)
		print(linkIDs)
		del linkIDs[0]
		# print(linkIDs)

		

		for link in linkIDs:
			DataBlock = {}
			print(link)
			DataBlock['linkID'] = link
			
			if typeLink == 'M':
				particleType = 'Meson'
			if typeLink == 'B':
				particleType = 'Baryon'

			print("Width.")
			try:
				url = "http://pdglive.lbl.gov/DataBlock.action?node=" + link + "W"
				requestingURL = urllib2.Request(url, headers={'User-Agent' : "Magic Browser"}) 
				page = urllib2.urlopen(requestingURL).read()

				# print(page)
				if page.find('($ 10^{8} $ s${}^{-1}$)') == -1:
					soup = BeautifulSoup.BeautifulSoup(page)
					table = soup.find('table')
					# print(table)
					rows = table.findAll('tr')
					# print(rows)
					datas = rows[0].findAll('td')
					# for data in datas:
					if datas[1].text.find('We do not') == -1:
						# print(datas[1].text)
						DataBlock['Width'] = datas[1].text
					else:
						DataBlock['Width'] = datas[2].text
						# print(datas[2].text)
				else:
					# print "Mass not found"
					DataBlock['Width'] = 'NAN'
			except:
				# print "Mass not found"
				DataBlock['Width'] = 'NAN'

			print(DataBlock['Width'])

			DataBaseCSV.append([link, particleType, DataBlock['Width']])
			DataBase.append(DataBlock)


print(DataBase)

myFile = open('PDG-Width-Data.csv', 'w')
	
with myFile:
	writer = csv.writer(myFile)
	writer.writerows(DataBaseCSV)