template_removals = []

for lineno, line in blib.iter_items_from_file(direcfile, start, end):

m = re.match(r"\* \[\[(.*?)]]: Removed (.*?)=.*?: <nowiki>(.*?)</nowiki>$",

line)

if not m:

msg("Line %s: WARNING: Unable to parse line: [%s]" % (lineno, line))

else:

template_removals.append(m.groups())

for index, (pagename, removed_param, template_text) in blib.iter_items(

template_removals, get_name = lambda x: x[0]):

def undo_one_page_greek_removal(page, index, text):

def pagemsg(txt):

msg("Page %s %s: %s" % (index, str(page.title()), txt))

template = blib.parse_text(template_text).filter_templates()[0]

orig_template = str(template)

if getparam(template, "sc") == "polytonic":

template.remove("sc")

to_template = str(template)

param_value = getparam(template, removed_param)

template.remove(removed_param)

from_template = str(template)

text = str(text)

found_orig_template = orig_template in text

newtext = text.replace(from_template, to_template)

changelog = ""

if newtext == text:

if not found_orig_template:

pagemsg("WARNING: Unable to locate 'from' template when undoing Greek param removal: %s"

% from_template)

else:

pagemsg("Original template found, taking no action")

else:

if found_orig_template:

pagemsg("WARNING: Undid removal, but original template %s already present!" %

orig_template)

if len(newtext) - len(text) != len(to_template) - len(from_template):

pagemsg("WARNING: Length mismatch when undoing Greek param removal, may have matched multiple templates: from=%s, to=%s" % (

from_template, to_template))

changelog = "Undid removal of %s=%s in %s" % (removed_param,

param_value, to_template)

pagemsg("Change log = %s" % changelog)

return newtext, changelog

page = pywikibot.Page(site, pagename)

if not page.exists():

msg("Page %s %s: WARNING, something wrong, does not exist" % (

index, pagename))

else:

blib.do_edit(page, index, undo_one_page_greek_removal, save=save,