get jpg file list and make link html

make_jpg_file_list.py

#!/home/bin/python

import os
import os.path

def getJpgList(aDir):
	list = os.listdir(aDir)
	jpg_list  = []
	for each in list:
		if each.count('.') == 2:
			continue
		if each.find('.jpg') == -1:
			continue
		jpg_list.append(each)
	return jpg_list

def makeJpgListFile(aDir, aList):
	file = open( os.path.join('../download_picture/'+aDir+'.html'), "w")
	for each in aList:
		link = '<a href="%s">%s</a>' % ( os.path.join('http://the-host-url.net/albums/',aDir, each), each)
		file.write(link+'\n')
	file.close()

if __name__ == "__main__":
	import sys
	if len(sys.argv) != 2:
		print 'insufficient argument'
        if sys.argv[1][-1] == '/':
		print 'omit the /'
		sys.exit(0)
        if os.path.isdir(sys.argv[1]) !=1 :
		print 'directory doesn\'t exist'
		sys.exit(0)
	list = getJpgList(sys.argv[1])
	makeJpgListFile(sys.argv[1], list)
	print 'done'