ECLFile IO and Filelikes

[mcgreen-origen]

I'm trying to open an ECLFile using the byte stream I have on RAM.

However, it looks like ECLFile is forcing me to save this to disk first and then provide a filepath. I suggest that filelike objects be added to acceptable inputs for ECLFile to avoid saving to disk only to load back into RAM.

Here is example code:

from io import BytesIO
from ecl.eclfile import EclFile

byte_stream = BytesIO()
# any cloud based client would suffice here
_client().download_fileobj(Bucket=bucket, Key=key, Fileobj=byte_stream)

# fails on this line currently, expecting a filepath, not a filelike object
timestep_file = EclFile(byte_stream)
swat_kw = timestep_file.iget_named_kw("SWAT", 0)

[pinkwah]

ecl currently does not support anything that can't get converted into a C FILE *. We already have an issue on this: #732

You can try to write files to /dev/shm on Linux, which a filesystem located entirely in memory.