Hi Thomas -
Thanks for the clarification on cmd.extend() and the difference between how
commands and functions are made available. I hadn't thought to just add the
function to cmd directly. This will come in handy!
Cheers,
Jared
--
Jared Sampson
Columbia University
On Feb 18, 2016, at 1:14 PM, Thomas Holder
<thomas.hol...@schrodinger.com<mailto:thomas.hol...@schrodinger.com>> wrote:
Hi Jared,
The plugin system isn't really tuned for API extension. As Tsjerk pointed out,
cmd.extend only registers a command, not a cmd.xxxx function. Also, scripts
which are installed as plugins get loaded asynchronously from the external GUI.
I suggest you do the following:
1) Inside your plugin (Python module), do:
from pymol import cmd
def my_func(): ...
cmd.my_func = my_func
cmd.extend('my_func', my_func)
2) The plugin's __init_plugin__ (or __init__) function should only be
responsible for adding Plugin menu entries, not for anything else.
3) Inside your test file, do:
from pymol import cmd
import pmg_tk.startup.my_plugin
# (now cmd.my_func should be available immediately)
Hope that helps.
Cheers,
Thomas
On 17 Feb 2016, at 11:32, Sampson, Jared M.
<jms2...@cumc.columbia.edu<mailto:jms2...@cumc.columbia.edu>> wrote:
Hi Tsjerk -
Thanks for the suggestion. I tried this with:
import time
from pymol import cmd
while not hasattr(cmd, 'my_func'):
time.sleep(0.5)
Unfortunately that also causes everything to hang. I think I might need to do
this in a separate thread. I'll have to look into how to do that.
Cheers,
Jared
--
Jared Sampson
Columbia University
On Feb 16, 2016, at 2:47 PM, Tsjerk Wassenaar
<tsje...@gmail.com<mailto:tsje...@gmail.com>> wrote:
Hi Jared,
The extend function must set an attribute "my_func" on cmd. You can test for
that with hasattr:
while not hasattr(cmd, "my_func"):
# wait some more
Hope it helps,
Tsjerk
On Feb 16, 2016 20:07, "Sampson, Jared M."
<jms2...@cumc.columbia.edu<mailto:jms2...@cumc.columbia.edu>> wrote:
To my previous message I should add that it works fine if I do:
```
import pmg_tk.startup.my_plugin as mp
mp.my_func()
```
but I'd like to use the `cmd.my_func()` version, so that `my_func` will work in
a .pml script.
>From `help(cmd)` I found `cmd.kw_list`, but this apparently doesn't include
>"extended" functions, even after the function is loaded.
```
PyMOL>print 'ray' in cmd.kw_list
True
PyMOL>print 'my_func' in cmd.kw_list
False
```
Looking forward to any suggestions. Thanks!
Cheers,
Jared
--
Jared Sampson
Columbia University
On Feb 16, 2016, at 1:50 PM, Sampson, Jared M.
<jms2...@cumc.columbia.edu<mailto:jms2...@cumc.columbia.edu>> wrote:
Hi PyMOLers -
Maybe some more experienced users/developers can help me out here. I'm trying
to write some automated test scripts for the plugin I'm writing, but the test
functions end up running before the plugin is loaded. Is there a way to tell
if a plugin has been loaded from within a .pml or .py script? For example, if
the plugin makes commands available via `cmd.extend('my_func', my_func)`, how
can I run `cmd.myfunc()` from a script and not have it execute before the
plugin finishes loading?
I've tried something like this:
```
import time
from pymol import cmd
loaded = 0
while not loaded:
try:
cmd.my_func() # if it's loaded no exception will be raised
loaded = 1
except:
time.sleep(0.5)
```
But this just hangs, as apparently `time.sleep()` halts the execution of all
threads, so the plugin won't ever be loaded.
Thanks,
Jared
--
Jared Sampson
Columbia University
--
Thomas Holder
PyMOL Principal Developer
Schrödinger, Inc.
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