1 files changed, 92 insertions, 21 deletions

diff --git a/src/gns_wiki.py b/src/gns_wiki.py
index aee41ac..dba0102 100644
--- a/src/gns_wiki.py
+++ b/src/gns_wiki.py
@@ -7,8 +7,28 @@
 
 import xmlrpclib as xmlrpc
 from xmlrpclib import Fault
+import filecmp
+import os.path as path
 
-def update(table):
+def get_topsecret(src_dir):
+    """
+    Returns the username, password & wikiurl
+
+    They are stored in src/config/ directory in the topsecret.txt
+    file.
+    """
+
+    secrets = open(path.join(src_dir,
+                             "config",
+                             "topsecret.txt"), "r").readlines()
+
+    username = secrets[0].strip()
+    password = secrets[1].strip()
+    wikiurl  = secrets[2].strip()
+
+    return username, password, wikiurl
+
+def update(table, src_dir):
     """
     Generates wiki page using table and pushes it to the wiki using XML-RPC.
     """
@@ -16,42 +36,93 @@ def update(table):
     # Code below adapted from
     # http://moinmo.in/MoinAPI/Examples#xmlrpc.putPage.28.29
 
-    name = raw_input("username> ")
-    password = raw_input("pass> ")
-    wikiurl = "http://localhost/m"
+    name, password, wikiurl = get_topsecret(src_dir)
     homewiki = xmlrpc.ServerProxy(wikiurl + "?action=xmlrpc2",
                                   allow_none=True)
     auth_token = homewiki.getAuthToken(name, password)
     mc = xmlrpc.MultiCall(homewiki)
     mc.applyAuthToken(auth_token)
     pagename = "Documentation/3/DifferencesWithDebian"
-    page_content = generate_wiki_page(table)
-    mc.putPage(pagename, page_content)
-    result = mc()
+    wiki_page_content, update = generate_wiki_page(table, src_dir)
+
+    if(update):
+        # Send the updated wiki page to moin wiki:
+        mc.putPage(pagename, wiki_page_content)
+        result = mc()
 
-    try:
-        sucess, raw = tuple(result)
+        try:
+            success, raw = tuple(result)
 
-        if sucess:
-            print "Updated %s" % pagename
-        else:
-            print "Something went wrong. Please report this issue."
+            if success:
+                print "Updated %s" % pagename
+            else:
+                print "Something went wrong. Please report this issue."
 
-    except Fault:
-        print "Nothing new. %s/%s was not updated" % (wikiurl,
-                                                      pagename)
+        except Fault, e:
+            print e
+    else:
+        print "Nothing new! %s/%s was not updated" % (wikiurl,
+                                                     pagename)
 
-def generate_wiki_page(table):
+def generate_wiki_page(table, src_dir):
     """
     Generates the wiki page using the table.
 
-    `differences-with-debian.txt' file, used by this function,
+    `differences-with-debian-head.txt' file, used by this function,
     contains text that precedes the table.
     """
 
-    page_content = open("src/differences-with-debian.txt", "r").read() + "\n"
+    # generate wikipage
+    diff_with_deb_head = path.join(src_dir,
+                                   "wiki-files",
+                                   "differences-with-debian-head.txt")
+    wiki_page_content = open(diff_with_deb_head, "r").read() + "\n"
 
     for row in table:
-        page_content += row + "\n"
+        wiki_page_content += row + "\n"
+
+    update = wiki_page_updated(wiki_page_content, src_dir)
+
+    return wiki_page_content, update
+
+
+def wiki_page_updated(wiki_page_content, src_dir):
+    """
+    Returns True if the wiki page is updated
+    """
+
+    # write wikipage to temp file
+    temp_file = open("/tmp/diff-with-deb-tmp.txt", "w")
+    temp_file.write(wiki_page_content)
+    temp_file.close()
+
+    # this file contains the wiki page last generated by the script.
+    diff_with_deb = path.join(src_dir,
+                              "wiki-files",
+                              "differences-with-debian.txt")
+
+    # first check if the file exists
+    if(path.isfile(diff_with_deb)):
+        # filecmp.cmp returns True if both the file are same.
+        update = (filecmp.cmp(temp_file.name,
+                              diff_with_deb, 1) == False)
+    else:
+        # This is the first time the page is generated,
+        # so update the wiki.
+        update = True
+
+    if(update):
+        update_wiki_page_locally(wiki_page_content, diff_with_deb)
+
+    return update
+
+
+def update_wiki_page_locally(wiki_page_content, filename):
+    """
+    Writes the wiki page locally to `filename'
+    """
+
+    wiki_file = open(filename, "w")
+    wiki_file.write(wiki_page_content)
+    wiki_file.close()
 
-    return page_content