[development] Using Batch API in hook_install

Carl Wiedemann carl.wiedemann at gmail.com
Wed Sep 29 19:20:24 UTC 2010

Alternatively you could have post-install drupal_set_message() that prompts
the user to visit call the batch operation manually (similar to when content
access permissions need to be rebuilt via admin/content/node-settings). Use
variable_get()/variable_set() once the batch has run to disable the message.

On Wed, Sep 29, 2010 at 12:44 PM, Lin Clark <lin.w.clark at gmail.com> wrote:

> Hi all,
> Is using Batch API from hook_install discouraged?
> On installation, my module retrieves 9 files from the Web, parses them, and
> enters some information into the database. I wanted to use Batch API to do
> this.
> It is working in the Web interface, but when I try to enable my module with
> Drush, I get the following error
> WD php: Warning: Cannot modify header information - headers already sent by
> (output started at /drush/includes/drush.inc:797) in
> drupal_goto() (line 677 of /drupal-head/includes/common.inc).
> I wanted to use Batch API because some people with slower connections might
> have timeout problems when retrieving the files and because it is a neat way
> to tell the user what is happening.
> Is there another way I should be doing this?
> Thanks,
> Lin
> --
> Lin Clark
> DERI, NUI Galway <http://www.deri.ie/>
> lin-clark.com
> twitter.com/linclark
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