+# -*- coding: utf-8 -*-
+
+import dbmongo
+import dbmemory
+import fslocal
+import msglocal
+import msgkafka
+import tarfile
+import yaml
+import json
+import logging
+from random import choice as random_choice
+from uuid import uuid4
+from hashlib import sha256, md5
+from dbbase import DbException
+from fsbase import FsException
+from msgbase import MsgException
+from http import HTTPStatus
+from time import time
+from copy import deepcopy
+
+__author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
+
+
+class EngineException(Exception):
+
+ def __init__(self, message, http_code=HTTPStatus.BAD_REQUEST):
+ self.http_code = http_code
+ Exception.__init__(self, message)
+
+
+class Engine(object):
+
+ def __init__(self):
+ self.tokens = {}
+ self.db = None
+ self.fs = None
+ self.msg = None
+ self.config = None
+ self.logger = logging.getLogger("nbi.engine")
+
+ def start(self, config):
+ """
+ Connect to database, filesystem storage, and messaging
+ :param config: two level dictionary with configuration. Top level should contain 'database', 'storage',
+ :return: None
+ """
+ self.config = config
+ try:
+ if not self.db:
+ if config["database"]["driver"] == "mongo":
+ self.db = dbmongo.DbMongo()
+ self.db.db_connect(config["database"])
+ elif config["database"]["driver"] == "memory":
+ self.db = dbmemory.DbMemory()
+ self.db.db_connect(config["database"])
+ else:
+ raise EngineException("Invalid configuration param '{}' at '[database]':'driver'".format(
+ config["database"]["driver"]))
+ if not self.fs:
+ if config["storage"]["driver"] == "local":
+ self.fs = fslocal.FsLocal()
+ self.fs.fs_connect(config["storage"])
+ else:
+ raise EngineException("Invalid configuration param '{}' at '[storage]':'driver'".format(
+ config["storage"]["driver"]))
+ if not self.msg:
+ if config["message"]["driver"] == "local":
+ self.msg = msglocal.MsgLocal()
+ self.msg.connect(config["message"])
+ elif config["message"]["driver"] == "kafka":
+ self.msg = msgkafka.MsgKafka()
+ self.msg.connect(config["message"])
+ else:
+ raise EngineException("Invalid configuration param '{}' at '[message]':'driver'".format(
+ config["storage"]["driver"]))
+ except (DbException, FsException, MsgException) as e:
+ raise EngineException(str(e), http_code=e.http_code)
+
+ def stop(self):
+ try:
+ if self.db:
+ self.db.db_disconnect()
+ if self.fs:
+ self.fs.fs_disconnect()
+ if self.fs:
+ self.fs.fs_disconnect()
+ except (DbException, FsException, MsgException) as e:
+ raise EngineException(str(e), http_code=e.http_code)
+
+ def authorize(self, token):
+ try:
+ if not token:
+ raise EngineException("Needed a token or Authorization http header",
+ http_code=HTTPStatus.UNAUTHORIZED)
+ if token not in self.tokens:
+ raise EngineException("Invalid token or Authorization http header",
+ http_code=HTTPStatus.UNAUTHORIZED)
+ session = self.tokens[token]
+ now = time()
+ if session["expires"] < now:
+ del self.tokens[token]
+ raise EngineException("Expired Token or Authorization http header",
+ http_code=HTTPStatus.UNAUTHORIZED)
+ return session
+ except EngineException:
+ if self.config["global"].get("test.user_not_authorized"):
+ return {"id": "fake-token-id-for-test",
+ "project_id": self.config["global"].get("test.project_not_authorized", "admin"),
+ "username": self.config["global"]["test.user_not_authorized"]}
+ else:
+ raise
+
+ def new_token(self, session, indata, remote):
+ now = time()
+ user_content = None
+
+ # Try using username/password
+ if indata.get("username"):
+ user_rows = self.db.get_list("users", {"username": indata.get("username")})
+ user_content = None
+ if user_rows:
+ user_content = user_rows[0]
+ salt = user_content["_admin"]["salt"]
+ shadow_password = sha256(indata.get("password", "").encode('utf-8') + salt.encode('utf-8')).hexdigest()
+ if shadow_password != user_content["password"]:
+ user_content = None
+ if not user_content:
+ raise EngineException("Invalid username/password", http_code=HTTPStatus.UNAUTHORIZED)
+ elif session:
+ user_rows = self.db.get_list("users", {"username": session["username"]})
+ if user_rows:
+ user_content = user_rows[0]
+ else:
+ raise EngineException("Invalid token", http_code=HTTPStatus.UNAUTHORIZED)
+ else:
+ raise EngineException("Provide credentials: username/password or Authorization Bearer token",
+ http_code=HTTPStatus.UNAUTHORIZED)
+
+ token_id = ''.join(random_choice('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789')
+ for _ in range(0, 32))
+ if indata.get("project_id"):
+ project_id = indata.get("project_id")
+ if project_id not in user_content["projects"]:
+ raise EngineException("project {} not allowed for this user".format(project_id),
+ http_code=HTTPStatus.UNAUTHORIZED)
+ else:
+ project_id = user_content["projects"][0]
+ if project_id == "admin":
+ session_admin = True
+ else:
+ project = self.db.get_one("projects", {"_id": project_id})
+ session_admin = project.get("admin", False)
+ new_session = {"issued_at": now, "expires": now+3600,
+ "_id": token_id, "id": token_id, "project_id": project_id, "username": user_content["username"],
+ "remote_port": remote.port, "admin": session_admin}
+ if remote.name:
+ new_session["remote_host"] = remote.name
+ elif remote.ip:
+ new_session["remote_host"] = remote.ip
+
+ self.tokens[token_id] = new_session
+ return deepcopy(new_session)
+
+ def get_token_list(self, session):
+ token_list = []
+ for token_id, token_value in self.tokens.items():
+ if token_value["username"] == session["username"]:
+ token_list.append(deepcopy(token_value))
+ return token_list
+
+ def get_token(self, session, token_id):
+ token_value = self.tokens.get(token_id)
+ if not token_value:
+ raise EngineException("token not found", http_code=HTTPStatus.NOT_FOUND)
+ if token_value["username"] != session["username"] and not session["admin"]:
+ raise EngineException("needed admin privileges", http_code=HTTPStatus.UNAUTHORIZED)
+ return token_value
+
+ def del_token(self, token_id):
+ try:
+ del self.tokens[token_id]
+ return "token '{}' deleted".format(token_id)
+ except KeyError:
+ raise EngineException("Token '{}' not found".format(token_id), http_code=HTTPStatus.NOT_FOUND)
+
+ @staticmethod
+ def _remove_envelop(item, indata=None):
+ """
+ Obtain the useful data removing the envelop. It goes throw the vnfd or nsd catalog and returns the
+ vnfd or nsd content
+ :param item: can be vnfds, nsds, users, projects,
+ :param indata: Content to be inspected
+ :return: the useful part of indata
+ """
+ clean_indata = indata
+ if not indata:
+ return {}
+ if item == "vnfds":
+ if clean_indata.get('vnfd:vnfd-catalog'):
+ clean_indata = clean_indata['vnfd:vnfd-catalog']
+ elif clean_indata.get('vnfd-catalog'):
+ clean_indata = clean_indata['vnfd-catalog']
+ if clean_indata.get('vnfd'):
+ if not isinstance(clean_indata['vnfd'], list) or len(clean_indata['vnfd']) != 1:
+ raise EngineException("'vnfd' must be a list only one element")
+ clean_indata = clean_indata['vnfd'][0]
+ elif item == "nsds":
+ if clean_indata.get('nsd:nsd-catalog'):
+ clean_indata = clean_indata['nsd:nsd-catalog']
+ elif clean_indata.get('nsd-catalog'):
+ clean_indata = clean_indata['nsd-catalog']
+ if clean_indata.get('nsd'):
+ if not isinstance(clean_indata['nsd'], list) or len(clean_indata['nsd']) != 1:
+ raise EngineException("'nsd' must be a list only one element")
+ clean_indata = clean_indata['nsd'][0]
+ return clean_indata
+
+ def _validate_new_data(self, session, item, indata):
+ if item == "users":
+ if not indata.get("username"):
+ raise EngineException("missing 'username'", HTTPStatus.UNPROCESSABLE_ENTITY)
+ if not indata.get("password"):
+ raise EngineException("missing 'password'", HTTPStatus.UNPROCESSABLE_ENTITY)
+ if not indata.get("projects"):
+ raise EngineException("missing 'projects'", HTTPStatus.UNPROCESSABLE_ENTITY)
+ # check username not exist
+ if self.db.get_one(item, {"username": indata.get("username")}, fail_on_empty=False, fail_on_more=False):
+ raise EngineException("username '{}' exist".format(indata["username"]), HTTPStatus.CONFLICT)
+ elif item == "projects":
+ if not indata.get("name"):
+ raise EngineException("missing 'name'")
+ # check name not exist
+ if self.db.get_one(item, {"name": indata.get("name")}, fail_on_empty=False, fail_on_more=False):
+ raise EngineException("name '{}' exist".format(indata["name"]), HTTPStatus.CONFLICT)
+ elif item == "vnfds" or item == "nsds":
+ filter = {"id": indata["id"]}
+ # TODO add admin to filter, validate rights
+ self._add_read_filter(session, item, filter)
+ if self.db.get_one(item, filter, fail_on_empty=False):
+ raise EngineException("{} with id '{}' already exist for this tenant".format(item[:-1], indata["id"]),
+ HTTPStatus.CONFLICT)
+
+ # TODO validate with pyangbind
+ elif item == "nsrs":
+ pass
+
+ def _format_new_data(self, session, item, indata, admin=None):
+ now = time()
+ if not "_admin" in indata:
+ indata["_admin"] = {}
+ indata["_admin"]["created"] = now
+ indata["_admin"]["modified"] = now
+ if item == "users":
+ _id = indata["username"]
+ salt = uuid4().hex
+ indata["_admin"]["salt"] = salt
+ indata["password"] = sha256(indata["password"].encode('utf-8') + salt.encode('utf-8')).hexdigest()
+ elif item == "projects":
+ _id = indata["name"]
+ else:
+ _id = None
+ storage = None
+ if admin:
+ _id = admin.get("_id")
+ storage = admin.get("storage")
+ if not _id:
+ _id = str(uuid4())
+ if item == "vnfds" or item == "nsds":
+ if not indata["_admin"].get("projects_read"):
+ indata["_admin"]["projects_read"] = [session["project_id"]]
+ if not indata["_admin"].get("projects_write"):
+ indata["_admin"]["projects_write"] = [session["project_id"]]
+ if storage:
+ indata["_admin"]["storage"] = storage
+ indata["_id"] = _id
+
+ def _new_item_partial(self, session, item, indata, headers):
+ """
+ Used for recieve content by chunks (with a transaction_id header and/or gzip file. It will store and extract
+ :param session: session
+ :param item:
+ :param indata: http body request
+ :param headers: http request headers
+ :return: a dict with::
+ _id: <transaction_id>
+ storage: <path>: where it is saving
+ desc: <dict>: descriptor: Only present when all the content is received, extracted and read the descriptor
+ """
+ content_range_text = headers.get("Content-Range")
+ transaction_id = headers.get("Transaction-Id")
+ filename = headers.get("Content-Filename", "pkg")
+ # TODO change to Content-Disposition filename https://tools.ietf.org/html/rfc6266
+ expected_md5 = headers.get("Content-File-MD5")
+ compressed = None
+ if "application/gzip" in headers.get("Content-Type") or "application/x-gzip" in headers.get("Content-Type") or \
+ "application/zip" in headers.get("Content-Type"):
+ compressed = "gzip"
+ file_pkg = None
+ error_text = ""
+ try:
+ if content_range_text:
+ content_range = content_range_text.replace("-", " ").replace("/", " ").split()
+ if content_range[0] != "bytes": # TODO check x<y not negative < total....
+ raise IndexError()
+ start = int(content_range[1])
+ end = int(content_range[2]) + 1
+ total = int(content_range[3])
+ if len(indata) != end-start:
+ raise EngineException("Mismatch between Content-Range header {}-{} and body length of {}".format(
+ start, end-1, len(indata)), HTTPStatus.BAD_REQUEST)
+ else:
+ start = 0
+ total = end = len(indata)
+ if not transaction_id:
+ # generate transaction
+ transaction_id = str(uuid4())
+ self.fs.mkdir(transaction_id)
+ # control_file = open(self.storage["path"] + transaction_id + "/.osm.yaml", 'wb')
+ # control = {"received": 0}
+ elif not self.fs.file_exists(transaction_id):
+ raise EngineException("invalid Transaction-Id header", HTTPStatus.NOT_FOUND)
+ else:
+ pass
+ # control_file = open(self.storage["path"] + transaction_id + "/.osm.yaml", 'rw')
+ # control = yaml.load(control_file)
+ # control_file.seek(0, 0)
+ storage = self.fs.get_params()
+ storage["folder"] = transaction_id
+ storage["file"] = filename
+
+ file_path = (transaction_id, filename)
+ if self.fs.file_exists(file_path):
+ file_size = self.fs.file_size(file_path)
+ else:
+ file_size = 0
+ if file_size != start:
+ raise EngineException("invalid upload transaction sequence, expected '{}' but received '{}'".format(
+ file_size, start), HTTPStatus.BAD_REQUEST)
+ file_pkg = self.fs.file_open(file_path, 'a+b')
+ file_pkg.write(indata)
+ if end != total:
+ return {"_id": transaction_id, "storage": storage}
+ if expected_md5:
+ file_pkg.seek(0, 0)
+ file_md5 = md5()
+ chunk_data = file_pkg.read(1024)
+ while chunk_data:
+ file_md5.update(chunk_data)
+ chunk_data = file_pkg.read(1024)
+ if expected_md5 != file_md5.hexdigest():
+ raise EngineException("Error, MD5 mismatch", HTTPStatus.CONFLICT)
+ file_pkg.seek(0, 0)
+ if compressed == "gzip":
+ # TODO unzip,
+ storage["tarfile"] = filename
+ tar = tarfile.open(mode='r', fileobj=file_pkg)
+ descriptor_file_name = None
+ for tarinfo in tar:
+ tarname = tarinfo.name
+ tarname_path = tarname.split("/")
+ if not tarname_path[0] or ".." in tarname_path: # if start with "/" means absolute path
+ raise EngineException("Absolute path or '..' are not allowed for package descriptor tar.gz")
+ if len(tarname_path) == 1 and not tarinfo.isdir():
+ raise EngineException("All files must be inside a dir for package descriptor tar.gz")
+ if tarname.endswith(".yaml") or tarname.endswith(".json") or tarname.endswith(".yml"):
+ storage["file"] = tarname_path[0]
+ if len(tarname_path) == 2:
+ if descriptor_file_name:
+ raise EngineException("Found more than one descriptor file at package descriptor tar.gz")
+ descriptor_file_name = tarname
+ if not descriptor_file_name:
+ raise EngineException("Not found any descriptor file at package descriptor tar.gz")
+ self.fs.file_extract(tar, transaction_id)
+ with self.fs.file_open((transaction_id, descriptor_file_name), "r") as descriptor_file:
+ content = descriptor_file.read()
+ else:
+ content = file_pkg.read()
+ tarname = ""
+
+ if tarname.endswith(".json"):
+ error_text = "Invalid json format "
+ indata = json.load(content)
+ else:
+ error_text = "Invalid yaml format "
+ indata = yaml.load(content)
+ return {"_id": transaction_id, "storage": storage, "desc": indata}
+ except EngineException:
+ raise
+ except IndexError:
+ raise EngineException("invalid Content-Range header format. Expected 'bytes start-end/total'",
+ HTTPStatus.BAD_REQUEST)
+ except IOError as e:
+ raise EngineException("invalid upload transaction sequence: '{}'".format(e), HTTPStatus.BAD_REQUEST)
+ except (ValueError, yaml.YAMLError) as e:
+ raise EngineException(error_text + str(e))
+ finally:
+ if file_pkg:
+ file_pkg.close()
+
+ def new_nsr(self, session, ns_request):
+ """
+ Creates a new nsr into database
+ :param session: contains the used login username and working project
+ :param ns_request: params to be used for the nsr
+ :return: nsr descriptor to be stored at database and the _id
+ """
+
+ # look for nsr
+ nsd = self.get_item(session, "nsds", ns_request["nsdId"])
+ _id = str(uuid4())
+ nsr_descriptor = {
+ "name": ns_request["nsName"],
+ "name-ref": ns_request["nsName"],
+ "short-name": ns_request["nsName"],
+ "admin-status": "ENABLED",
+ "nsd": nsd,
+ "datacenter": ns_request["vimAccountId"],
+ "resource-orchestrator": "osmopenmano",
+ "description": ns_request.get("nsDescription", ""),
+ "constituent-vnfr-ref": ["TODO datacenter-id, vnfr-id"],
+
+ "operational-status": "init", # typedef ns-operational-
+ "config-status": "init", # typedef config-states
+ "detailed-status": "scheduled",
+
+ "orchestration-progress": {}, # {"networks": {"active": 0, "total": 0}, "vms": {"active": 0, "total": 0}},
+
+ "crete-time": time(),
+ "nsd-name-ref": nsd["name"],
+ "operational-events": [], # "id", "timestamp", "description", "event",
+ "nsd-ref": nsd["id"],
+ "ns-instance-config-ref": _id,
+ "id": _id,
+
+ # "input-parameter": xpath, value,
+ "ssh-authorized-key": ns_request.get("key-pair-ref"),
+ }
+ ns_request["nsr_id"] = _id
+ return nsr_descriptor, _id
+
+ def new_item(self, session, item, indata={}, kwargs=None, headers={}):
+ """
+ Creates a new entry into database
+ :param session: contains the used login username and working project
+ :param item: it can be: users, projects, vnfds, nsds, ...
+ :param indata: data to be inserted
+ :param kwargs: used to override the indata descriptor
+ :param headers: http request headers
+ :return: _id, transaction_id: identity of the inserted data. or transaction_id if Content-Range is used
+ """
+ # TODO validate input. Check not exist at database
+ # TODO add admin and status
+
+ transaction = None
+ if headers.get("Content-Range") or "application/gzip" in headers.get("Content-Type") or \
+ "application/x-gzip" in headers.get("Content-Type") or "application/zip" in headers.get("Content-Type"):
+ if not indata:
+ raise EngineException("Empty payload")
+ transaction = self._new_item_partial(session, item, indata, headers)
+ if "desc" not in transaction:
+ return transaction["_id"], False
+ indata = transaction["desc"]
+
+ content = self._remove_envelop(item, indata)
+
+ # Override descriptor with query string kwargs
+ if kwargs:
+ try:
+ for k, v in kwargs.items():
+ update_content = content
+ kitem_old = None
+ klist = k.split(".")
+ for kitem in klist:
+ if kitem_old is not None:
+ update_content = update_content[kitem_old]
+ if isinstance(update_content, dict):
+ kitem_old = kitem
+ elif isinstance(update_content, list):
+ kitem_old = int(kitem)
+ else:
+ raise EngineException(
+ "Invalid query string '{}'. Descriptor is not a list nor dict at '{}'".format(k, kitem))
+ update_content[kitem_old] = v
+ except KeyError:
+ raise EngineException(
+ "Invalid query string '{}'. Descriptor does not contain '{}'".format(k, kitem_old))
+ except ValueError:
+ raise EngineException("Invalid query string '{}'. Expected integer index list instead of '{}'".format(
+ k, kitem))
+ except IndexError:
+ raise EngineException(
+ "Invalid query string '{}'. Index '{}' out of range".format(k, kitem_old))
+ if not indata:
+ raise EngineException("Empty payload")
+
+ if item == "nsrs":
+ # in this case the imput descriptor is not the data to be stored
+ ns_request = content
+ content, _id = self.new_nsr(session, ns_request)
+ transaction = {"_id": _id}
+
+ self._validate_new_data(session, item, content)
+ self._format_new_data(session, item, content, transaction)
+ _id = self.db.create(item, content)
+ if item == "nsrs":
+ self.msg.write("ns", "create", _id)
+ return _id, True
+
+ def _add_read_filter(self, session, item, filter):
+ if session["project_id"] == "admin": # allows all
+ return filter
+ if item == "users":
+ filter["username"] = session["username"]
+ elif item == "vnfds" or item == "nsds":
+ filter["_admin.projects_read.cont"] = ["ANY", session["project_id"]]
+
+ def _add_delete_filter(self, session, item, filter):
+ if session["project_id"] != "admin" and item in ("users", "projects"):
+ raise EngineException("Only admin users can perform this task", http_code=HTTPStatus.FORBIDDEN)
+ if item == "users":
+ if filter.get("_id") == session["username"] or filter.get("username") == session["username"]:
+ raise EngineException("You cannot delete your own user", http_code=HTTPStatus.CONFLICT)
+ elif item == "project":
+ if filter.get("_id") == session["project_id"]:
+ raise EngineException("You cannot delete your own project", http_code=HTTPStatus.CONFLICT)
+ elif item in ("vnfds", "nsds") and session["project_id"] != "admin":
+ filter["_admin.projects_write.cont"] = ["ANY", session["project_id"]]
+
+ def get_item_list(self, session, item, filter={}):
+ """
+ Get a list of items
+ :param session: contains the used login username and working project
+ :param item: it can be: users, projects, vnfds, nsds, ...
+ :param filter: filter of data to be applied
+ :return: The list, it can be empty if no one match the filter.
+ """
+ # TODO add admin to filter, validate rights
+ self._add_read_filter(session, item, filter)
+ return self.db.get_list(item, filter)
+
+ def get_item(self, session, item, _id):
+ """
+ Get complete information on an items
+ :param session: contains the used login username and working project
+ :param item: it can be: users, projects, vnfds, nsds, ...
+ :param _id: server id of the item
+ :return: dictionary, raise exception if not found.
+ """
+ filter = {"_id": _id}
+ # TODO add admin to filter, validate rights
+ self._add_read_filter(session, item, filter)
+ return self.db.get_one(item, filter)
+
+ def del_item_list(self, session, item, filter={}):
+ """
+ Delete a list of items
+ :param session: contains the used login username and working project
+ :param item: it can be: users, projects, vnfds, nsds, ...
+ :param filter: filter of data to be applied
+ :return: The deleted list, it can be empty if no one match the filter.
+ """
+ # TODO add admin to filter, validate rights
+ self._add_read_filter(session, item, filter)
+ return self.db.del_list(item, filter)
+
+ def del_item(self, session, item, _id):
+ """
+ Get complete information on an items
+ :param session: contains the used login username and working project
+ :param item: it can be: users, projects, vnfds, nsds, ...
+ :param _id: server id of the item
+ :return: dictionary, raise exception if not found.
+ """
+ # TODO add admin to filter, validate rights
+ # data = self.get_item(item, _id)
+ filter = {"_id": _id}
+ self._add_delete_filter(session, item, filter)
+
+ if item == "nsrs":
+ desc = self.db.get_one(item, filter)
+ desc["_admin"]["to_delete"] = True
+ self.db.replace(item, _id, desc) # TODO change to set_one
+ self.msg.write("ns", "delete", _id)
+ return {"deleted": 1}
+
+ v = self.db.del_one(item, filter)
+ self.fs.file_delete(_id, ignore_non_exist=True)
+ if item == "nsrs":
+ self.msg.write("ns", "delete", _id)
+ return v
+
+ def prune(self):
+ """
+ Prune database not needed content
+ :return: None
+ """
+ return self.db.del_list("nsrs", {"_admin.to_delete": True})
+
+ def create_admin(self):
+ """
+ Creates a new user admin/admin into database. Only allowed if database is empty. Useful for initialization
+ :return: _id identity of the inserted data.
+ """
+ users = self.db.get_one("users", fail_on_empty=False, fail_on_more=False)
+ if users:
+ raise EngineException("Unauthorized. Database users is not empty", HTTPStatus.UNAUTHORIZED)
+ indata = {"username": "admin", "password": "admin", "projects": ["admin"]}
+ fake_session = {"project_id": "admin", "username": "admin"}
+ self._format_new_data(fake_session, "users", indata)
+ _id = self.db.create("users", indata)
+ return _id
+
+ def edit_item(self, session, item, id, indata={}, kwargs=None):
+ """
+ Update an existing entry at database
+ :param session: contains the used login username and working project
+ :param item: it can be: users, projects, vnfds, nsds, ...
+ :param id: identity of entry to be updated
+ :param indata: data to be inserted
+ :param kwargs: used to override the indata descriptor
+ :return: dictionary, raise exception if not found.
+ """
+
+ content = self.get_item(session, item, id)
+ if indata:
+ indata = self._remove_envelop(item, indata)
+ # TODO update content with with a deep-update
+
+ # Override descriptor with query string kwargs
+ if kwargs:
+ try:
+ for k, v in kwargs.items():
+ update_content = content
+ kitem_old = None
+ klist = k.split(".")
+ for kitem in klist:
+ if kitem_old is not None:
+ update_content = update_content[kitem_old]
+ if isinstance(update_content, dict):
+ kitem_old = kitem
+ elif isinstance(update_content, list):
+ kitem_old = int(kitem)
+ else:
+ raise EngineException(
+ "Invalid query string '{}'. Descriptor is not a list nor dict at '{}'".format(k, kitem))
+ update_content[kitem_old] = v
+ except KeyError:
+ raise EngineException(
+ "Invalid query string '{}'. Descriptor does not contain '{}'".format(k, kitem_old))
+ except ValueError:
+ raise EngineException("Invalid query string '{}'. Expected integer index list instead of '{}'".format(
+ k, kitem))
+ except IndexError:
+ raise EngineException(
+ "Invalid query string '{}'. Index '{}' out of range".format(k, kitem_old))
+
+ self._validate_new_data(session, item, content)
+ # self._format_new_data(session, item, content)
+ self.db.replace(item, id, content)
+ return id
+
+
projects / osm / NBI.git / commitdiff
