class DbException(Exception):
-
def __init__(self, message, http_code=HTTPStatus.NOT_FOUND):
self.http_code = http_code
Exception.__init__(self, "database exception " + str(message))
class DbBase(object):
-
- def __init__(self, logger_name='db', lock=False):
+ def __init__(self, logger_name="db", lock=False):
"""
Constructor of dbBase
:param logger_name: logging name
"""
raise DbException("Method 'create_list' not implemented")
- def set_one(self, table, q_filter, update_dict, fail_on_empty=True, unset=None, pull=None, push=None,
- push_list=None, pull_list=None):
+ def set_one(
+ self,
+ table,
+ q_filter,
+ update_dict,
+ fail_on_empty=True,
+ unset=None,
+ pull=None,
+ push=None,
+ push_list=None,
+ pull_list=None,
+ ):
"""
Modifies an entry at database
:param table: collection or table
"""
raise DbException("Method 'set_one' not implemented")
- def set_list(self, table, q_filter, update_dict, unset=None, pull=None, push=None, push_list=None, pull_list=None):
+ def set_list(
+ self,
+ table,
+ q_filter,
+ update_dict,
+ unset=None,
+ pull=None,
+ push=None,
+ push_list=None,
+ pull_list=None,
+ ):
"""
Modifies al matching entries at database
:param table: collection or table
else:
update_key_bytes = update_key
- new_secret_key = bytearray(self.secret_key) if self.secret_key else bytearray(32)
+ new_secret_key = (
+ bytearray(self.secret_key) if self.secret_key else bytearray(32)
+ )
for i, b in enumerate(update_key_bytes):
new_secret_key[i % 32] ^= b
return bytes(new_secret_key)
:return: Encrypted content of value
"""
self.get_secret_key()
- if not self.secret_key or not schema_version or schema_version == '1.0':
+ if not self.secret_key or not schema_version or schema_version == "1.0":
return value
else:
secret_key = self._join_secret_key(salt)
cipher = AES.new(secret_key)
- padded_private_msg = value + ('\0' * ((16-len(value)) % 16))
+ padded_private_msg = value + ("\0" * ((16 - len(value)) % 16))
encrypted_msg = cipher.encrypt(padded_private_msg)
encoded_encrypted_msg = b64encode(encrypted_msg)
return encoded_encrypted_msg.decode("ascii")
:return: Plain content of value
"""
self.get_secret_key()
- if not self.secret_key or not schema_version or schema_version == '1.0':
+ if not self.secret_key or not schema_version or schema_version == "1.0":
return value
else:
secret_key = self._join_secret_key(salt)
cipher = AES.new(secret_key)
decrypted_msg = cipher.decrypt(encrypted_msg)
try:
- unpadded_private_msg = decrypted_msg.decode().rstrip('\0')
+ unpadded_private_msg = decrypted_msg.decode().rstrip("\0")
except UnicodeDecodeError:
- raise DbException("Cannot decrypt information. Are you using same COMMONKEY in all OSM components?",
- http_code=HTTPStatus.INTERNAL_SERVER_ERROR)
+ raise DbException(
+ "Cannot decrypt information. Are you using same COMMONKEY in all OSM components?",
+ http_code=HTTPStatus.INTERNAL_SERVER_ERROR,
+ )
return unpadded_private_msg
- def encrypt_decrypt_fields(self, item, action, fields=None, flags=None, schema_version=None, salt=None):
+ def encrypt_decrypt_fields(
+ self, item, action, fields=None, flags=None, schema_version=None, salt=None
+ ):
if not fields:
return
self.get_secret_key()
- actions = ['encrypt', 'decrypt']
+ actions = ["encrypt", "decrypt"]
if action.lower() not in actions:
- raise DbException("Unknown action ({}): Must be one of {}".format(action, actions),
- http_code=HTTPStatus.INTERNAL_SERVER_ERROR)
- method = self.encrypt if action.lower() == 'encrypt' else self.decrypt
+ raise DbException(
+ "Unknown action ({}): Must be one of {}".format(action, actions),
+ http_code=HTTPStatus.INTERNAL_SERVER_ERROR,
+ )
+ method = self.encrypt if action.lower() == "encrypt" else self.decrypt
if flags is None:
flags = re.I
_item[key] = method(val, schema_version, salt)
else:
process(val)
+
process(item)
:param key_list: This is used internally for recursive calls. Do not fill this parameter.
:return: none or raises and exception only at array modification when there is a bad format or conflict.
"""
+
def _deep_update_array(array_to_change, _dict_reference, _key_list):
to_append = {}
to_insert_at_index = {}
_key_list[-1] = str(k)
if not isinstance(k, str) or not k.startswith("$"):
if array_edition is True:
- raise DbException("Found array edition (keys starting with '$') and pure dictionary edition in the"
- " same dict at '{}'".format(":".join(_key_list[:-1])))
+ raise DbException(
+ "Found array edition (keys starting with '$') and pure dictionary edition in the"
+ " same dict at '{}'".format(":".join(_key_list[:-1]))
+ )
array_edition = False
continue
else:
if array_edition is False:
- raise DbException("Found array edition (keys starting with '$') and pure dictionary edition in the"
- " same dict at '{}'".format(":".join(_key_list[:-1])))
+ raise DbException(
+ "Found array edition (keys starting with '$') and pure dictionary edition in the"
+ " same dict at '{}'".format(":".join(_key_list[:-1]))
+ )
array_edition = True
insert = False
indexes = [] # indexes to edit or insert
kitem = k[1:]
- if kitem.startswith('+'):
+ if kitem.startswith("+"):
insert = True
kitem = kitem[1:]
if _dict_reference[k] is None:
- raise DbException("A value of None has not sense for insertions at '{}'".format(
- ":".join(_key_list)))
+ raise DbException(
+ "A value of None has not sense for insertions at '{}'".format(
+ ":".join(_key_list)
+ )
+ )
- if kitem.startswith('[') and kitem.endswith(']'):
+ if kitem.startswith("[") and kitem.endswith("]"):
try:
index = int(kitem[1:-1])
if index < 0:
index = 0 # skip outside index edition
indexes.append(index)
except Exception:
- raise DbException("Wrong format at '{}'. Expecting integer index inside quotes".format(
- ":".join(_key_list)))
+ raise DbException(
+ "Wrong format at '{}'. Expecting integer index inside quotes".format(
+ ":".join(_key_list)
+ )
+ )
elif kitem:
# match_found_skip = False
try:
filter_in = yaml.safe_load(kitem)
except Exception:
- raise DbException("Wrong format at '{}'. Expecting '$<yaml-format>'".format(":".join(_key_list)))
+ raise DbException(
+ "Wrong format at '{}'. Expecting '$<yaml-format>'".format(
+ ":".join(_key_list)
+ )
+ )
if isinstance(filter_in, dict):
for index, item in enumerate(array_to_change):
for filter_k, filter_v in filter_in.items():
- if not isinstance(item, dict) or filter_k not in item or item[filter_k] != filter_v:
+ if (
+ not isinstance(item, dict)
+ or filter_k not in item
+ or item[filter_k] != filter_v
+ ):
break
else: # match found
if insert:
# if match_found_skip:
# continue
elif not insert:
- raise DbException("Wrong format at '{}'. Expecting '$+', '$[<index]' or '$[<filter>]'".format(
- ":".join(_key_list)))
+ raise DbException(
+ "Wrong format at '{}'. Expecting '$+', '$[<index]' or '$[<filter>]'".format(
+ ":".join(_key_list)
+ )
+ )
for index in indexes:
if insert:
- if index in to_insert_at_index and to_insert_at_index[index] != _dict_reference[k]:
+ if (
+ index in to_insert_at_index
+ and to_insert_at_index[index] != _dict_reference[k]
+ ):
# Several different insertions on the same item of the array
- raise DbException("Conflict at '{}'. Several insertions on same array index {}".format(
- ":".join(_key_list), index))
+ raise DbException(
+ "Conflict at '{}'. Several insertions on same array index {}".format(
+ ":".join(_key_list), index
+ )
+ )
to_insert_at_index[index] = _dict_reference[k]
else:
- if index in indexes_to_edit_delete and values_to_edit_delete[index] != _dict_reference[k]:
+ if (
+ index in indexes_to_edit_delete
+ and values_to_edit_delete[index] != _dict_reference[k]
+ ):
# Several different editions on the same item of the array
- raise DbException("Conflict at '{}'. Several editions on array index {}".format(
- ":".join(_key_list), index))
+ raise DbException(
+ "Conflict at '{}'. Several editions on array index {}".format(
+ ":".join(_key_list), index
+ )
+ )
indexes_to_edit_delete.append(index)
values_to_edit_delete[index] = _dict_reference[k]
if not indexes:
try:
if values_to_edit_delete[index] is None: # None->Anything
try:
- del (array_to_change[index])
+ del array_to_change[index]
except IndexError:
pass # it is not consider an error if this index does not exist
- elif not isinstance(values_to_edit_delete[index], dict): # NotDict->Anything
+ elif not isinstance(
+ values_to_edit_delete[index], dict
+ ): # NotDict->Anything
array_to_change[index] = deepcopy(values_to_edit_delete[index])
elif isinstance(array_to_change[index], dict): # Dict->Dict
- deep_update_rfc7396(array_to_change[index], values_to_edit_delete[index], _key_list)
+ deep_update_rfc7396(
+ array_to_change[index], values_to_edit_delete[index], _key_list
+ )
else: # Dict->NotDict
- if isinstance(array_to_change[index], list): # Dict->List. Check extra array edition
- if _deep_update_array(array_to_change[index], values_to_edit_delete[index], _key_list):
+ if isinstance(
+ array_to_change[index], list
+ ): # Dict->List. Check extra array edition
+ if _deep_update_array(
+ array_to_change[index],
+ values_to_edit_delete[index],
+ _key_list,
+ ):
continue
array_to_change[index] = deepcopy(values_to_edit_delete[index])
# calling deep_update_rfc7396 to delete the None values
- deep_update_rfc7396(array_to_change[index], values_to_edit_delete[index], _key_list)
+ deep_update_rfc7396(
+ array_to_change[index], values_to_edit_delete[index], _key_list
+ )
except IndexError:
- raise DbException("Array edition index out of range at '{}'".format(":".join(_key_list)))
+ raise DbException(
+ "Array edition index out of range at '{}'".format(
+ ":".join(_key_list)
+ )
+ )
# insertion with indexes
to_insert_indexes = list(to_insert_at_index.keys())
key_list.append("")
for k in dict_reference:
key_list[-1] = str(k)
- if dict_reference[k] is None: # None->Anything
+ if dict_reference[k] is None: # None->Anything
if k in dict_to_change:
del dict_to_change[k]
elif not isinstance(dict_reference[k], dict): # NotDict->Anything
deep_update_rfc7396(dict_to_change[k], dict_reference[k], key_list)
elif isinstance(dict_to_change[k], dict): # Dict->Dict
deep_update_rfc7396(dict_to_change[k], dict_reference[k], key_list)
- else: # Dict->NotDict
- if isinstance(dict_to_change[k], list): # Dict->List. Check extra array edition
+ else: # Dict->NotDict
+ if isinstance(
+ dict_to_change[k], list
+ ): # Dict->List. Check extra array edition
if _deep_update_array(dict_to_change[k], dict_reference[k], key_list):
continue
dict_to_change[k] = deepcopy(dict_reference[k])
def deep_update(dict_to_change, dict_reference):
- """ Maintained for backward compatibility. Use deep_update_rfc7396 instead"""
+ """Maintained for backward compatibility. Use deep_update_rfc7396 instead"""
return deep_update_rfc7396(dict_to_change, dict_reference)
projects / osm / common.git / blobdiff