Re: [Rdkit-discuss] PyMOL-Integration

2013-06-30 Thread Greg Landrum
On Mon, Jul 1, 2013 at 6:59 AM,  wrote:

> Dear RDKitters,
>
> when testing the PyMOL integration (given the iPython notebook from the
> tutorial):
>
> "
> from rdkit import Chem
> from rdkit.Chem import AllChem
> from rdkit import RDConfig
> import os
> from rdkit.Chem.Draw import IPythonConsole
> from rdkit.Chem import Draw
> cdk2mols = [x for x in Chem.SDMolSupplier('data/cdk2.sdf',removeHs=True)
> if x is not None]
> from rdkit.Chem import PyMol
> v = PyMol.MolViewer()
> v.ShowMol(cdk2mols[0])
> v.GetPNG(h=300)
> "
>
> I run into an error:
> "
> > 2 v.GetPNG(h=300)
>
> C:\RDKit_2013_03_1\rdkit\Chem\PyMol.py in GetPNG(self, h, w)
> 214   except IOError:
> 215 time.sleep(0.1)
> --> 216 os.unlink(fd.name)
> 217 fd=None
> 218 if h is not None or w is not None:
>
> WindowsError: [Error 32]"
>

I  these cross-platform things.
The easiest solution (for now) would be to comment out line 216; it's not
actually needed.
I'll robustify the code for the next release.

-greg
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[Rdkit-discuss] PyMOL-Integration

2013-06-30 Thread Paul . Czodrowski
Dear RDKitters,

when testing the PyMOL integration (given the iPython notebook from the 
tutorial):

"
from rdkit import Chem
from rdkit.Chem import AllChem
from rdkit import RDConfig
import os
from rdkit.Chem.Draw import IPythonConsole
from rdkit.Chem import Draw
cdk2mols = [x for x in Chem.SDMolSupplier('data/cdk2.sdf',removeHs=True) 
if x is not None]
from rdkit.Chem import PyMol
v = PyMol.MolViewer()
v.ShowMol(cdk2mols[0])
v.GetPNG(h=300)
"

I run into an error:
"
> 2 v.GetPNG(h=300)

C:\RDKit_2013_03_1\rdkit\Chem\PyMol.py in GetPNG(self, h, w)
214   except IOError:
215 time.sleep(0.1)
--> 216 os.unlink(fd.name)
217 fd=None
218 if h is not None or w is not None:

WindowsError: [Error 32]"

The actual error message is in German: there is already a temporary PNG 
written, that cannot be over-written.


Cheers & Thanks,
Paul


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