Files
obitools3/python/obitools3/commands/less.pyx
2020-04-12 17:31:58 +02:00

51 lines
1.1 KiB
Cython
Executable File

#cython: language_level=3
from obitools3.apps.progress cimport ProgressBar # @UnresolvedImport
from obitools3.uri.decode import open_uri
from obitools3.dms import DMS
from obitools3.utils cimport tobytes
from obitools3.dms.capi.obiview cimport QUALITY_COLUMN
from obitools3.apps.optiongroups import addMinimalInputOption
import sys
import io
from subprocess import Popen, PIPE
from cpython.exc cimport PyErr_CheckSignals
__title__="Less equivalent"
def addOptions(parser):
addMinimalInputOption(parser)
def run(config):
DMS.obi_atexit()
# Open the input
input = open_uri(config['obi']['inputURI'])
if input is None:
raise Exception("Could not read input")
iview = input[1]
process = Popen(["less"], stdin=PIPE)
for seq in iview :
PyErr_CheckSignals()
try:
process.stdin.write(tobytes(repr(seq)))
process.stdin.write(b"\n")
except (StopIteration, BrokenPipeError, IOError):
break
sys.stderr.close()
process.stdin.close()
process.wait()
iview.close()
input[0].close(force=True)