conn_initial_timout = 120
conn_timout = 10
- def __init__(self, logger_name='db', master_password=None):
- super().__init__(logger_name, master_password)
+ def __init__(self, logger_name='db', lock=False):
+ super().__init__(logger_name, lock)
self.client = None
self.db = None
try:
if "logger_name" in config:
self.logger = logging.getLogger(config["logger_name"])
- self.client = MongoClient(config["host"], config["port"])
+ master_key = config.get("commonkey") or config.get("masterpassword")
+ if master_key:
+ self.set_secret_key(master_key)
+ if config.get("uri"):
+ self.client = MongoClient(config["uri"])
+ else:
+ self.client = MongoClient(config["host"], config["port"])
+ # TODO add as parameters also username=config.get("user"), password=config.get("password"))
+ # when all modules are ready
self.db = self.client[config["name"]]
if "loglevel" in config:
self.logger.setLevel(getattr(logging, config['loglevel']))
"""
try:
result = []
- collection = self.db[table]
- db_filter = self._format_filter(q_filter)
- rows = collection.find(db_filter)
+ with self.lock:
+ collection = self.db[table]
+ db_filter = self._format_filter(q_filter)
+ rows = collection.find(db_filter)
for row in rows:
result.append(row)
return result
except Exception as e: # TODO refine
raise DbException(e)
+ def count(self, table, q_filter=None):
+ """
+ Count the number of entries matching q_filter
+ :param table: collection or table
+ :param q_filter: Filter
+ :return: number of entries found (can be zero)
+ :raise: DbException on error
+ """
+ try:
+ with self.lock:
+ collection = self.db[table]
+ db_filter = self._format_filter(q_filter)
+ count = collection.count(db_filter)
+ return count
+ except DbException:
+ raise
+ except Exception as e: # TODO refine
+ raise DbException(e)
+
def get_one(self, table, q_filter=None, fail_on_empty=True, fail_on_more=True):
"""
Obtain one entry matching q_filter
"""
try:
db_filter = self._format_filter(q_filter)
- collection = self.db[table]
- if not (fail_on_empty and fail_on_more):
- return collection.find_one(db_filter)
- rows = collection.find(db_filter)
+ with self.lock:
+ collection = self.db[table]
+ if not (fail_on_empty and fail_on_more):
+ return collection.find_one(db_filter)
+ rows = collection.find(db_filter)
if rows.count() == 0:
if fail_on_empty:
raise DbException("Not found any {} with filter='{}'".format(table[:-1], q_filter),
:return: Dict with the number of entries deleted
"""
try:
- collection = self.db[table]
- rows = collection.delete_many(self._format_filter(q_filter))
+ with self.lock:
+ collection = self.db[table]
+ rows = collection.delete_many(self._format_filter(q_filter))
return {"deleted": rows.deleted_count}
except DbException:
raise
:return: Dict with the number of entries deleted
"""
try:
- collection = self.db[table]
- rows = collection.delete_one(self._format_filter(q_filter))
+ with self.lock:
+ collection = self.db[table]
+ rows = collection.delete_one(self._format_filter(q_filter))
if rows.deleted_count == 0:
if fail_on_empty:
raise DbException("Not found any {} with filter='{}'".format(table[:-1], q_filter),
:return: database id of the inserted element. Raises a DbException on error
"""
try:
- collection = self.db[table]
- data = collection.insert_one(indata)
+ with self.lock:
+ collection = self.db[table]
+ data = collection.insert_one(indata)
return data.inserted_id
except Exception as e: # TODO refine
raise DbException(e)
- def set_one(self, table, q_filter, update_dict, fail_on_empty=True):
+ def set_one(self, table, q_filter, update_dict, fail_on_empty=True, unset=None, pull=None, push=None):
"""
Modifies an entry at database
:param table: collection or table
:param update_dict: Plain dictionary with the content to be updated. It is a dot separated keys and a value
:param fail_on_empty: If nothing matches filter it returns None unless this flag is set tu True, in which case
it raises a DbException
+ :param unset: Plain dictionary with the content to be removed if exist. It is a dot separated keys, value is
+ ignored. If not exist, it is ignored
+ :param pull: Plain dictionary with the content to be removed from an array. It is a dot separated keys and value
+ if exist in the array is removed. If not exist, it is ignored
+ :param push: Plain dictionary with the content to be appended to an array. It is a dot separated keys and value
+ is appended to the end of the array
:return: Dict with the number of entries modified. None if no matching is found.
"""
try:
- collection = self.db[table]
- rows = collection.update_one(self._format_filter(q_filter), {"$set": update_dict})
+ db_oper = {}
+ if update_dict:
+ db_oper["$set"] = update_dict
+ if unset:
+ db_oper["$unset"] = unset
+ if pull:
+ db_oper["$pull"] = pull
+ if push:
+ db_oper["$push"] = push
+
+ with self.lock:
+ collection = self.db[table]
+ rows = collection.update_one(self._format_filter(q_filter), db_oper)
if rows.matched_count == 0:
if fail_on_empty:
raise DbException("Not found any {} with filter='{}'".format(table[:-1], q_filter),
:return: Dict with the number of entries modified
"""
try:
- collection = self.db[table]
- rows = collection.update_many(self._format_filter(q_filter), {"$set": update_dict})
+ with self.lock:
+ collection = self.db[table]
+ rows = collection.update_many(self._format_filter(q_filter), {"$set": update_dict})
return {"modified": rows.modified_count}
except Exception as e: # TODO refine
raise DbException(e)
"""
try:
db_filter = {"_id": _id}
- collection = self.db[table]
- rows = collection.replace_one(db_filter, indata)
+ with self.lock:
+ collection = self.db[table]
+ rows = collection.replace_one(db_filter, indata)
if rows.matched_count == 0:
if fail_on_empty:
raise DbException("Not found any {} with _id='{}'".format(table[:-1], _id), HTTPStatus.NOT_FOUND)