Script writer for PDBe PISA downloads and example to create the first output file: interfaces1-1.xml, and the download script to initiate proceedings once scripts were written.

download.py

#!/usr/bin/python

with open("interfaces.txt") as urllist:
	sect = int(outputfile.name.split('-')[0][-1:])
	subsect = int(outputfile.name.split('-')[1].split('.')[0])
	pdbcodes = re.findall('pdb_code>(.*)<', outputfile.read())
	num = len(pdbcodes)
	print str(num)+" interfaces have been written to file"
	startline = num/50 + (sect-1)*500  + (subsect-1)*50 + 1
	subsectendline = (sect-1)*500  + (subsect-1)*50 + 50
	now = datetime.now()
	if num/50 < 50:
		print str(now.hour)+":"+str(now.minute)+" - Starting at line "+str(startline)
		urltup = tuple(urllist)
		for line in urltup:
			if urltup.index(line)+1 >= startline and urltup.index(line)+1 <= subsectendline:
				url = line.rstrip()
				try:
					s = urllib2.urlopen(url)
				except urllib2.HTTPError, err:
					import sys
					from subprocess import call
					if sys.platform == 'linux2':
						call(["mpg123","Pause-Mario.mp3"])
					elif sys.platform == 'darwin':
						call(["afplay","Pause-Mario.mp3"])
					break
				contents = s.read()
				outputfile.write(contents)
				now = datetime.now()
				print str(now.hour)+":"+str(now.minute)+" - "+str(urltup.index(line)+1)+" Downloaded "+url.split('?')[1]
			elif urltup.index(line) == subsectendline:
				import sys
				from subprocess import call
				if sys.platform == 'linux2':
					call(["mpg123","Coin-Mario.mp3"])
				elif sys.platform == 'darwin':
					call(["afplay","Coin-Mario.mp3"])

	else:
		print "All interfaces downloaded."

getxml1-1.py

#!/usr/bin/python

try:
	import urllib2
	import re
	from datetime import datetime
	with open("interfaces1-1.xml","r+") as outputfile:
		execfile("download.py")
except KeyboardInterrupt:
	pass

scriptwriter.py

import os
for filename in os.listdir('.'):
	if len(filename.split('getxml'))>1:
		with open(filename,'w') as outputfile:
			spl = filename.split('-')
			sect = spl[0][-1:]
			subsect = spl[1].split('.')[0]
			interfacefile = 'interfaces'+sect+'-'+subsect+'.xml'
			scriptout = '#!/usr/bin/python\n\ntry:\n\timport urllib2\n\timport re\n\tfrom datetime import datetime\n\twith open("'+interfacefile+'","r+") as outputfile:\n\t\texecfile("download.py")\nexcept KeyboardInterrupt:\n\tpass\n'
			outputfile.write(scriptout)