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#cython: language_level=3
from obitools3.uri.decode import open_uri
from obitools3.apps.config import logger
from obitools3.dms import DMS
from obitools3.apps.optiongroups import addMinimalInputOption
from obitools3.dms.view.view cimport View
from obitools3.utils cimport tostr
import os
import shutil
__title__="Delete a view"
def addOptions(parser):
addMinimalInputOption(parser)
def run(config):
DMS.obi_atexit()
logger("info", "obi rm")
# Open the input
input = open_uri(config['obi']['inputURI'])
if input is None:
raise Exception("Could not read input")
# Check that it's a view
if isinstance(input[1], View) :
view = input[1]
else:
raise NotImplementedError()
dms = input[0]
# Get the path to the view file to remove
path = dms.full_path # dms path
view_path=path+b"/VIEWS/"
view_path+=view.name
view_path+=b".obiview"
to_remove = {}
# For each column:
for col_alias in view.keys():
col = view[col_alias]
col_name = col.original_name
col_version = col.version
col_type = col.data_type
col_ref = (col_name, col_version)
# build file name and AVL file names
col_file_name = f"{tostr(path)}/{tostr(col.original_name)}.obicol/{tostr(col.original_name)}@{col.version}.odc"
if col_type in [b'OBI_CHAR', b'OBI_QUAL', b'OBI_STR', b'OBI_SEQ']:
avl_file_name = f"{tostr(path)}/OBIBLOB_INDEXERS/{tostr(col.original_name)}_{col.version}_indexer"
else:
avl_file_name = None
to_remove[col_ref] = [col_file_name, avl_file_name]
# For each view:
do_not_remove = []
for vn in dms:
v = dms[vn]
# ignore the one being deleted
if v.name != view.name:
# check that none of the column is referenced, if referenced, remove from list to remove
cols = [(v[c].original_name, v[c].version) for c in v.keys()]
for col_ref in to_remove:
if col_ref in cols:
do_not_remove.append(col_ref)
for nr in do_not_remove:
to_remove.pop(nr)
# Close the view and the DMS
view.close()
input[0].close(force=True)
#print(to_remove)
# rm AFTER view and DMS close
os.remove(view_path)
for col in to_remove:
os.remove(to_remove[col][0])
if to_remove[col][1] is not None:
shutil.rmtree(to_remove[col][1])
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