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#!/usr/bin/env python
# Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+
import os
import sys
import re
if len(sys.argv) < 2:
print "Syntax: %s <md-files>" % sys.argv[0]
print ""
print "Updates inter-chapter links in the specified Markdown files."
sys.exit(1)
anchors = {}
for file in sys.argv[1:]:
text = open(file).read()
for match in re.finditer(r"<a id=\"(?P<id>.*?)\">", text):
id = match.group("id")
if id in anchors:
print "Error: Anchor '%s' is used multiple times: in %s and %s" % (id, file, anchors[id])
anchors[match.group("id")] = file
def update_anchor(match):
id = match.group("id")
try:
file = os.path.basename(anchors[id])
except KeyError:
print "Error: Unmatched anchor: %s" % (id)
file = ""
return "[%s](%s#%s)" % (match.group("text"), file, id)
for file in sys.argv[1:]:
text = open(file).read()
print "> Processing file '%s'..." % (file)
new_text = re.sub(r"\[(?P<text>.*?)\]\((?P<file>[0-9-a-z\.]+)?#(?P<id>[^#\)]+)\)", update_anchor, text)
open(file, "w").write(new_text)
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