[Bf-committers] Running Blender from Command Line skips Auto Execution of Driver Scripts

Wed Jul 9 07:22:06 CEST 2014

As I am not a programmer I do not know if adding "-y" to the command line,
or using "use_scripts_auto_execute" in the python script is the preferred
solution.
I did seem to get the result I need from using "-y".

Kind Regards,
Chris "*Chips*" Lee
Mobile: 0410155111

Infin8eye <http://infin8eye.carbonmade.com/>
Knight of the DLF
IGDA Sydney founding member

On 9 July 2014 15:19, Chris Lee <infin8eye at gmail.com> wrote:

> Thank you for the advice, both on CLI and concrete info to be supplied for
> a help request. I am new here.
> Hi, by the way.
>
>    1. What I did on Monday does appear to be the solution I need.
>    2. What I supplied in my post was a breakdown of what I did.
>    3. What I am looking for input regarding the solution I found, in case
>    I have missed something.
>    4. Also, is it a bug? That the Auto Execute scripts are not running
>    from command line, when the option is selected and saved in the file, to
>    run Auto Execute scripts on start.
>
> For exact reference:
>
>    - I was running this command: "C:\Program Files\Blender
>    Foundation\Blender\blender.exe"  F:\mport\scanimport\avatar.blend -P
>    "F:\mport\scanimport\new avatar.py" "F:\mport\scanimport\\".  Adding '-y'
>    at the end solved the issue. I have yet to get confirmation from my
>    programmer that it runs well in his system for what he is trying to do, but
>    it worked on my machine. The script he is running will move control points
>    on a human avatar to match body scan data. What I set up in drivers will
>    adjust the head size and height based on the neck height.
>    - The output I was getting that was messed up by the drivers not auto
>    running it's script was to have the head scaled down:
>    https://www.dropbox.com/s/mu7hex3r0rb2hkd/Screenshot%202014-07-09%2015.14.02.png
>    - The correct output, which I got from adding '-y' is:
>    https://www.dropbox.com/s/mu7hex3r0rb2hkd/Screenshot%202014-07-09%2015.14.02.png
>
>
> Kind Regards,
> Chris "*Chips*" Lee
> Mobile: 0410155111
>
> Infin8eye <http://infin8eye.carbonmade.com/>
> Knight of the DLF
> IGDA Sydney founding member
>
>
> On 9 July 2014 14:43, Campbell Barton <ideasman42 at gmail.com> wrote:
>
>> When asking for help its good to give some concrete info.
>>
>> - the exact commands you tried.
>> - the output you got.
>> - the output you want/expected.
>>
>>
>> On Wed, Jul 9, 2014 at 2:06 PM, Chris Lee <infin8eye at gmail.com> wrote:
>> > I was advised I may be able to get a definitive answer here. I was
>> trying
>> > to solve this issue on Monday and I think I did. I would like input
>> about
>> > what I found and whether or not this is a bug in Blender or intended
>> > behaviour.
>> >
>> >
>> -----------------------------------------------------------------------------------
>> >
>> > Basically Blender normally allows you to have drivers that contain auto
>> run
>> > scripts, such as what I have done.
>> >
>> > Recently it was pointed out as a security vulnerability, that opening an
>> > untrusted file from the web, could run a hidden python script on the
>> user's
>> > machine without them knowing.
>> >
>> http://blender.45788.x6.nabble.com/Please-turn-off-Auto-Run-Python-Scripts-by-default-td108971.html
>> >
>> > So by default it is now disabled, but there is an option in the user
>> > preferences to enable it by default.
>> > Here, under Auto Execution:
>> >
>> https://www.dropbox.com/s/vtxkg5f48mmfy40/Screenshot%202014-07-09%2013.25.34.png
>> >
>> > It appears though that there is an oversight, and running a command line
>> > blender instance, will do so before the auto execute option is enabled.
>> > Which means the script my programmer wrote will open Blender and run
>> > through it's process, but the drivers will not work, that I had put in
>> > place to control an object related to another object, controlled by the
>> > script.
>> >
>> > So as mentioned here, you can force scripts to run using -y at the end
>> of
>> > the command prompt:
>> >
>> http://blender.stackexchange.com/questions/7673/auto-run-scripts-security-options
>> >
>> > I had also followed the link within Blender regarding Auto Execution.
>> > I followed the link to here:
>> >
>> http://www.blender.org/documentation/blender_python_api_2_70_release/bpy.types.UserPreferencesSystem.html#bpy.types.UserPreferencesSystem.use_scripts_auto_execute
>> >
>> > So I don't know if this may help within a command line run blender
>> python
>> > script if -y is not used:
>> > "use_scripts_auto_execute"
>> >
>> >
>> -----------------------------------------------------------------------------------
>> >
>> > On Monday absolutely nobody I talked to online could advise me (apart
>> from
>> > the kind chap who suggested I check the mailing list, and that it had
>> come
>> > up in another thread here). Partly because I am in Sydney Australia and
>> all
>> > of Europe would have been asleep, so irc was quiet. I am hoping that
>> > somebody here actually knows how this works.
>> >
>> > Please get back to me with your thoughts.
>> >
>> > Kind Regards,
>> > Chris "*Chips*" Lee
>> > Mobile: 0410155111
>> >
>> > Infin8eye <http://infin8eye.carbonmade.com/>
>> > Knight of the DLF
>> > IGDA Sydney founding member
>> > _______________________________________________
>> > Bf-committers mailing list
>> > Bf-committers at blender.org
>> > http://lists.blender.org/mailman/listinfo/bf-committers
>>
>>
>>
>> --
>> - Campbell
>> _______________________________________________
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>
>