Files
amq-adapter-python/amqp/router/serializer.py
T
2025-02-20 15:45:26 +08:00

62 lines
1.6 KiB
Python

import struct
from io import BytesIO
from typing import List, Union, Dict
def long_to_bytes(x: int) -> bytes:
return struct.pack('q', x)
def bytes_to_long(b: bytes) -> int:
return struct.unpack('q', b)[0]
def read_long(bis: BytesIO) -> int:
try:
return struct.unpack('q', bis.read(8))[0]
except IOError:
return 0
def object_or_list_as_string(value: Union[str, List[str]]) -> str:
if isinstance(value, list):
return f"[{','.join(value)}]"
return str(value)
def map_as_string(map_: Dict[str, str]) -> str:
return ','.join(f"{k}={object_or_list_as_string(v)}" for k, v in map_.items())
def map_with_list_as_string(map_: Dict[str, List[str]]) -> str:
return ','.join(f"{k}={object_or_list_as_string(v)}" for k, v in map_.items())
def parse_map_string(input_str: str) -> Dict[str, str]:
map_ = {}
if input_str.startswith('{') and input_str.endswith('}'):
for entry in input_str[1:-1].split(','):
if len(entry) > 1:
key, value = entry.split('=')
map_[key] = value
return map_
def csv_as_list(input_str: str) -> List[str]:
return [item.strip() for item in input_str.strip('[]').split(',')]
def add_to_map(map_: Dict[str, List[str]], token: str) -> None:
eq_idx = token.index('=')
if eq_idx > 0:
key = token[:eq_idx]
map_[key] = csv_as_list(token[eq_idx+1:])
def parse_map_list_string(input_str: str) -> Dict[str, List[str]]:
map_ = {}
if input_str.startswith('{') and input_str.endswith('}'):
for token in input_str[1:-1].split('],'):
add_to_map(map_, token)
return map_