calibre-template.py

python:
import re
def evaluate(book, context):
	filename = ""
	if book.series:
		book.series = book.series.replace('+','and')
		book.series = re.sub('[,:]', " -", book.series)
	book.title = book.title.replace('+','and')
	book.title = book.title.replace('"','')
	book.title = book.title.replace('!','')
	book.title = re.sub('[,:]', " -", book.title)

	if not book.series: # If the book doesn't have a series (one-shots, etc)
		filename = book.title
	elif book.series == book.title: # Mangas, magazines, comics, etc
		filename = book.series + "/" + book.series + ' - Vol. ' + str(int(book.series_index)).zfill(2) 
	else: # Named books
		filename = book.series + "/" + book.series +  ' - Vol. ' + str(int(book.series_index)).zfill(2) + ' - ' + book.title
#		filename = book.series + "/" + book.series + ' - Vol. ' + str(int(book.series_index)).zfill(2) + ' - ' + book.title

	return filename
#{series}/{series}{series_index:0>2s| - Vol. |} {series:contains({title},,- {title})}