add title variable and apply it to script too

SUMMARY.adoc

@@ -1,4 +1,4 @@
-= Summary
+= {{book.title}}
 
  . link:topics/overview.adoc[Overview]
  .. link:topics/overview/recommended-reading.adoc[Recommended Reading]

book.json

@@ -9,6 +9,7 @@
     "splitter"
   ],
   "variables": {
+    "title": "Keycloak Installation and Configuration Guide",
     "community": true,
     "product": false,
     "images": "keycloak-images",

gitlab-conversion.py

@@ -2,12 +2,16 @@ import sys, os, re, json, shutil, errno
 
 def transform(root, f, targetdir):
     full = os.path.join(root, f)
-    print full
     input = open(full, 'r').read()
     dir = os.path.join(targetdir, root)
     if not os.path.exists(dir):
         os.makedirs(dir)
     output = open(os.path.join(dir, f), 'w')
+    input = applyTransformation(input)
+    output.write(input)
+
+
+def applyTransformation(input):
     for variable in re.findall(r"\{\{(.*?)\}\}", input):
         tmp = variable.replace('.', '_')
         input = input.replace(variable, tmp)
@@ -19,7 +23,8 @@ def transform(root, f, targetdir):
     exp = re.compile("[ ]*{% if (.*?) %}(.*?)[ ]*{% endif %}", re.DOTALL)
     input = re.sub(exp, "ifeval::[{\g<1>}==true]\g<2>endif::[]", input)
     input = re.sub(r"image:(\.\./)*", "image:", input)
-    output.write(input)
+    return input
+
 
 indir = 'topics'
 targetdir = 'target'
@@ -55,11 +60,7 @@ include::document-attributes.adoc[]
 """)
 
 input = re.sub(r"[ ]*\.+\s*link:(.*)\[(.*)\]", "include::\g<1>[]", input)
-for variable in re.findall(r"[ ]*{% if (.*?) %}", input):
-    tmp = variable.replace('.', '_')
-    input = input.replace(variable, tmp)
-exp = re.compile("[ ]*{% if (.*?) %}(.*?)[ ]*{% endif %}", re.DOTALL)
-input = re.sub(exp, "ifeval::[{\g<1>}==true]\g<2>endif::[]", input)
+input = applyTransformation(input)
 output.write(input)
 
 # parse book.json file and create document attributes
@@ -93,6 +94,8 @@ for attribute in attributeList:
     for k in attribute.keys():
         output.write(':book_' + k + ": " + attribute[k] + "\n")
 
+print "Transformation complete!"
+