Updated DB_Helper by adding firebase methods.

venv/Lib/site-packages/pyasn1/compat/octets.py

@@ -0,0 +1,46 @@
+#
+# This file is part of pyasn1 software.
+#
+# Copyright (c) 2005-2019, Ilya Etingof <etingof@gmail.com>
+# License: http://snmplabs.com/pyasn1/license.html
+#
+from sys import version_info
+
+if version_info[0] <= 2:
+    int2oct = chr
+    # noinspection PyPep8
+    ints2octs = lambda s: ''.join([int2oct(x) for x in s])
+    null = ''
+    oct2int = ord
+    # TODO: refactor to return a sequence of ints
+    # noinspection PyPep8
+    octs2ints = lambda s: [oct2int(x) for x in s]
+    # noinspection PyPep8
+    str2octs = lambda x: x
+    # noinspection PyPep8
+    octs2str = lambda x: x
+    # noinspection PyPep8
+    isOctetsType = lambda s: isinstance(s, str)
+    # noinspection PyPep8
+    isStringType = lambda s: isinstance(s, (str, unicode))
+    # noinspection PyPep8
+    ensureString = str
+else:
+    ints2octs = bytes
+    # noinspection PyPep8
+    int2oct = lambda x: ints2octs((x,))
+    null = ints2octs()
+    # noinspection PyPep8
+    oct2int = lambda x: x
+    # noinspection PyPep8
+    octs2ints = lambda x: x
+    # noinspection PyPep8
+    str2octs = lambda x: x.encode('iso-8859-1')
+    # noinspection PyPep8
+    octs2str = lambda x: x.decode('iso-8859-1')
+    # noinspection PyPep8
+    isOctetsType = lambda s: isinstance(s, bytes)
+    # noinspection PyPep8
+    isStringType = lambda s: isinstance(s, str)
+    # noinspection PyPep8
+    ensureString = bytes