module tarantool.utils

This module provides utility functions for the package.

class tarantool.utils.Greeting(version_id: Optional = 0, protocol: Optional[str] = None, uuid: Optional[str] = None, salt: Optional[str] = None)

Connection greeting info.

protocol: Optional[str] = None

Type:

str, optional

salt: Optional[str] = None

Type:

str, optional

uuid: Optional[str] = None

Type:

str, optional

version_id: Optional = 0

Type:

tuple or list

tarantool.utils.greeting_decode(greeting_buf)

Decode Tarantool server greeting.

Parameters:

greeting_buf (bytes) – Binary greetings data.

Return type:

Greeting dataclass with version_id, protocol, uuid, salt fields

Raise:

Exception

tarantool.utils.strxor(rhs, lhs)

XOR two strings.

Parameters:

• rhs (str or bytes) – String to XOR.

• lhs (str or bytes) – Another string to XOR.

Return type:

bytes

tarantool.utils.version_id(major, minor, patch)

Parameters:

• major (int) – Version major number.

• minor (int) – Version minor number.

• patch (int) – Version patch number.

Returns:

Unique version identificator for 8-bytes major, minor, patch numbers.

Return type:

int

tarantool.utils.wrap_key(*args, first=True, select=False)

Wrap request key in list, if needed.

Parameters:

• args (tuple) – Method args.

• first (bool) – True if this is the first recursion iteration.

• select (bool) – True if wrapping SELECT request key.

Return type:

list