[wp-hackers] Blog Import/Export Idea - Google Summer of Code 2010

Manu Krishnan T.V tvmanukrishnan at gmail.com
Tue Mar 23 03:09:54 UTC 2010

I have been explaining my idea on the same topic in a different
thread, but not much comments or feedbacks so far. Have a look at it,
so that you can include the better ideas there, if you find it so.

On 3/23/10, Mike Schinkel <mikeschinkel at newclarity.net> wrote:
> On Mar 22, 2010, at 5:30 PM, Jue Wang wrote:
>> On Mon, Mar 22, 2010 at 5:25 PM, Mike Schinkel
>> <mikeschinkel at newclarity.net>wrote:
>>> On Mar 22, 2010, at 5:20 PM, Andrew Gray wrote:
>>>> 4. Change the URLs in the config table
>>> As I'm working on a domain-switcher plugin for my own use (and possibly
>>> to
>>> release if there is significant interest in other's testing it) I'm
>>> curious
>>> for you to elaborate on this step?
>> I think he means the 'blog_url' and 'blog_home' entries in the wp_options
>> table.
> Thanks.
> FYI switching domain goes beyond just 'blog_url' and 'blog_home' entries.
> For example, the TwentyTen theme in wp3.0 stores URLs for header and
> background.  Many other themes do the same.  Embedded images in posts
> contain URLs that need to be updated.  Custom menu items in wp3.0 have a
> menu_link and if they reference local files they need to be updated.
> And many plugins have the same issues where they store local URLs. Then
> there are the domain-related problems, i.e. any plugin that leverages the
> Google Maps API needs to have the api key switched when the domain changes.
> I've built functionality that I can use when I dump SQL from a local site
> and then import it to another site.  My plugin handles the cases I've
> identified in core and then exposes a "switch_domain" hook to allow any
> plugin to handle their special cases. Of course no plugins will support this
> but I can build the support for any plugins I might need it for. However
> I've not yet nailed the best way to "bootstrap" from one domain to another
> and could really use help with brainstorming the best way to do it robustly.
>  It would also be great if said functionality made it into core so that
> plugin authors would start thinking about addressing this concern.
> If there is sufficient interest in this from others I can share the current
> code and/or add a ticket to trac.
> On Mar 22, 2010, at 5:47 PM, Andrew Gray wrote:
>> I could see a system where you install a plugin in on both sites, copy an
>> access key from one to the other, click a button and it moves everything
>> for you.  I just do not think that remotely accessing mysql would be the
>> way to do it.
> Agreed.
>> This is probably better suited as a plugin, then in the core however.
> The problem is with plugins that persist the local domain in some manner, or
> with the Google Maps api key. There's a need for plugin authors to have a
> best practice of including a "switch domain" hook to fixup anything that
> breaks when the domain is switched (or for others to fix in their
> negligence) and if its not in the core there won't be enough critical mass
> for people to do it.
> -Mike
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