X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/0bee92347020e3034faea5d3cc045ca443e4221c..c0c74937a60ec3a9e5e1c3b9cf7e8af15768f711:/doc/tips/convert_mediawiki_to_ikiwiki.mdwn?ds=sidebyside

diff --git a/doc/tips/convert_mediawiki_to_ikiwiki.mdwn b/doc/tips/convert_mediawiki_to_ikiwiki.mdwn
index 4a750882b..38de01109 100644
--- a/doc/tips/convert_mediawiki_to_ikiwiki.mdwn
+++ b/doc/tips/convert_mediawiki_to_ikiwiki.mdwn
@@ -8,6 +8,9 @@ converting some of the Mediawiki conventions into Ikiwiki ones.
 The following instructions describe ways of obtaining the current version of
 the wiki. We do not yet cover importing the history of edits.
 
+Another set of instructions and conversion tools (which imports the full history)
+can be found at <http://github.com/mithro/media2iki>
+
 ## Step 1: Getting a list of pages
 
 The first bit of information you require is a list of pages in the Mediawiki.
@@ -27,25 +30,54 @@ that this script is sensitive to the specific markup used on the page, so if
 you have tweaked your mediawiki theme a lot from the original, you will need
 to adjust this script too:
 
+    import sys
     from xml.dom.minidom import parse, parseString
     
-    dom = parse(argv[1])
+    dom = parse(sys.argv[1])
     tables = dom.getElementsByTagName("table")
     pagetable = tables[-1]
     anchors = pagetable.getElementsByTagName("a")
     for a in anchors:
         print a.firstChild.toxml().\
-            replace('&amp;,'&').\
+            replace('&amp;','&').\
             replace('&lt;','<').\
             replace('&gt;','>')
 
 Also, if you have pages with titles that need to be encoded to be represented
 in HTML, you may need to add further processing to the last line.
 
+Note that by default, `Special:Allpages` will only list pages in the main
+namespace. You need to add a `&namespace=XX` argument to get pages in a
+different namespace. (See below for the default list of namespaces)
+
+Note that the page names obtained this way will not include any namespace
+specific prefix: e.g. `Category:` will be stripped off.
+
 ### Querying the database
 
 If you have access to the relational database in which your mediawiki data is
-stored, it is possible to derive a list of page names from this.
+stored, it is possible to derive a list of page names from this. With mediawiki's
+MySQL backend, the page table is, appropriately enough, called `table`:
+
+    SELECT page_namespace, page_title FROM page;
+
+As with the previous method, you will need to do some filtering based on the
+namespace.
+
+### namespaces
+
+The list of default namespaces in mediawiki is available from <http://www.mediawiki.org/wiki/Manual:Namespace#Built-in_namespaces>. Here are reproduced the ones you are most likely to encounter if you are running a small mediawiki install for your own purposes:
+
+[[!table data="""
+Index   | Name         | Example
+0       | Main         | Foo
+1       | Talk         | Talk:Foo
+2       | User         | User:Jon
+3       | User talk    | User_talk:Jon
+6       | File         | File:Barack_Obama_signature.svg
+10      | Template     | Template:Prettytable
+14      | Category     | Category:Pages_needing_review
+"""]]
 
 ## Step 2: fetching the page data
 
@@ -67,6 +99,12 @@ mediawiki's `index.php` file:
 You may need to add more conversions here depending on the precise page titles
 used in your wiki.
 
+If you are trying to fetch pages from a different namespace to the default,
+you will need to prefix the page title with the relevant prefix, e.g.
+`Category:` for category pages. You probably don't want to prefix it to the
+output page, but you may want to vary the destination path (i.e. insert an
+extra directory component corresponding to your ikiwiki's `tagbase`).
+
 ### Method 2: via HTTP and `Special:Export`
 
 Mediawiki also has a special page `Special:Export` which can be used to obtain
@@ -84,7 +122,7 @@ the result.
 It is possible to extract the page data from the database with some
 well-crafted queries.
 
-## Step 2: format conversion
+## Step 3: format conversion
 
 The next step is to convert Mediawiki conventions into Ikiwiki ones.
 
@@ -98,7 +136,7 @@ into an ikiwiki tag name using a script such as
     pattern =  r'\[\[Category:([^\]]+)\]\]'
     
     def manglecat(mo):
-            return '[[!tag %s]]' % mo.group(1).strip().replace(' ','_')
+            return '\[[!tag %s]]' % mo.group(1).strip().replace(' ','_')
             
     for line in sys.stdin.readlines():
             res = re.match(pattern, line)
@@ -106,7 +144,7 @@ into an ikiwiki tag name using a script such as
                     sys.stdout.write(re.sub(pattern, manglecat, line))
             else: sys.stdout.write(line)
 
-## Step 3: Mediawiki plugin
+## Step 4: Mediawiki plugin
 
 The [[plugins/contrib/mediawiki]] plugin can be used by ikiwiki to interpret
 most of the Mediawiki syntax.
@@ -115,5 +153,7 @@ most of the Mediawiki syntax.
 
 [[sabr]] used to explain how to [import MediaWiki content into
 git](http://u32.net/Mediawiki_Conversion/index.html?updated), including full
-edit history, but as of 2009/10/16 that site is not available.
+edit history, but as of 2009/10/16 that site is not available. A copy of the 
+information found on this website is stored at <http://github.com/mithro/media2iki>
+