ImportError: No module named _snappy_cffi

[snashraf]

Hi All,

$ python vcf2db.py --help
Traceback (most recent call last):
File "vcf2db.py", line 12, in
import snappy
File "/gpfs/home/nsyed/bcbio/anaconda/envs/vcf2db/lib/python2.7/site-packages/snappy/init.py", line 3, in
from .snappy import (
File "/gpfs/home/nsyed/bcbio/anaconda/envs/vcf2db/lib/python2.7/site-packages/snappy/snappy.py", line 51, in
from .snappy_cffi import UncompressError, compress, decompress,
File "/gpfs/home/nsyed/bcbio/anaconda/envs/vcf2db/lib/python2.7/site-packages/snappy/snappy_cffi.py", line 3, in
from ._snappy_cffi import ffi, lib
ImportError: No module named _snappy_cffi

I made a seperate env for vcf2db but still getiing the same error. Any idea what could be reason for this.

Thanks
Najeeb

[sormond]

Hi,

I am also having this issue.

I have tried working in another environment also. Python3 is able to import snappy but not python2.

I have python installed through anaconda.

Thanks
Shannon

[wibom]

I have the same issue...

[wibom]

I have the same issue...

A workaround appears to be to grab snappy from conda-forge...

[aurelBZH]

hi,
I tried inside or outside of a docker container in python 2 and 3 and every time i have this problem. Is there a workaround ?

[snashraf]

I installed bcbio-nextgen from bcbio and then I can use vcf2db after loading bcbio-nextgen module.

…

On Tue, Jan 29, 2019 at 1:37 PM Aurélien Béliard ***@***.***> wrote: hi, I tried inside or outside of a docker container in python 2 and 3 and every time i have this problem. Is there a workaround ? — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#46 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AEJUN9GhxqJJLd6njcsMoH0x20o1UUUkks5vICR6gaJpZM4VRHg1> .

-- Syed Najeeb Ashraf

[jeffverboon]

Any fixes for this??

[brentp]

did you run the commands in the readme?

conda install -y gcc snappy # install the C library for snappy
conda install -c conda-forge python-snappy 

[jeffverboon]

Yeah.

1. installed miniconda
2. made conda environment/activated
3. ran the following commands:
   git clone https://github.com/quinlan-lab/vcf2db
   cd vcf2db
   conda install -y gcc snappy # install the C library for snappy
   conda install -c conda-forge python-snappy
   conda install -c bioconda cyvcf2 peddy
   pip install -r requirements.txt

I tried making the environment both python 3.7 and 2.7, same error

[udp3f]

Same issue here Brent. Is there a solution?

[brentp]

can you install snappy from conda-forge?

[udp3f]

I did install. I did
conda install -y gcc snappy # install the C library for snappy
conda install -c conda-forge python-snappy
conda install -c bioconda cyvcf2 peddy
pip install -r requirements.txt

and also
conda install -c conda-forge snappy
Everything seemed to go smooth but while running vcf2db an import error for _snappy_cffi happened, similar to post 1. Has this got anything to do with the below issue?

intake/python-snappy#69

[brentp]

I mean: conda install -c conda-forge snappy instead of conda install snappy

[udp3f]

Yes brent! This is what I have run "conda install -c conda-forge snappy"

[udp3f]

I redid everything on a different server, this time using the gemini executables, gemini_conda and gemini_pip and also "gemini_conda install -c conda-forge snappy". I did not have the above mentioned error anymore while running vcf2db but this time I have a new one for the gene impacts module - "AttributeError: 'module' object has no attribute 'BCFT'"

[brentp]

the BCFT error is because you have an old version of geneimpacts. If you update that it should go away.

[udp3f]

Thanks! That seems to work now.