60 lines
1.5 KiB
Python
60 lines
1.5 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
from zlib import decompress, MAX_WBITS
|
|
from base64 import b64decode
|
|
from gzip import GzipFile
|
|
from io import BytesIO
|
|
import time
|
|
import datetime
|
|
|
|
|
|
def inflate(data):
|
|
return decompress(data, -MAX_WBITS)
|
|
|
|
|
|
def inflate64(data):
|
|
return inflate(b64decode(data))
|
|
|
|
|
|
def gunzip(data):
|
|
return GzipFile('', 'rb', 9, BytesIO(data)).read().decode('utf-8')
|
|
|
|
|
|
# Tmp : added methods below to avoid circular imports between exchange.py and aiohttp.py
|
|
|
|
def milliseconds():
|
|
return int(time.time() * 1000)
|
|
|
|
|
|
def iso8601(timestamp=None):
|
|
if timestamp is None:
|
|
return timestamp
|
|
if not isinstance(timestamp, int):
|
|
return None
|
|
if int(timestamp) < 0:
|
|
return None
|
|
try:
|
|
utc = datetime.datetime.fromtimestamp(timestamp // 1000, datetime.timezone.utc)
|
|
return utc.strftime('%Y-%m-%dT%H:%M:%S.%f')[:-6] + "{:03d}".format(int(timestamp) % 1000) + 'Z'
|
|
except (TypeError, OverflowError, OSError):
|
|
return None
|
|
|
|
|
|
def is_json_encoded_object(input):
|
|
return (isinstance(input, str) and
|
|
(len(input) >= 2) and
|
|
((input[0] == '{') or (input[0] == '[')))
|
|
|
|
|
|
def deep_extend(*args):
|
|
result = None
|
|
for arg in args:
|
|
if isinstance(arg, dict):
|
|
if not isinstance(result, dict):
|
|
result = {}
|
|
for key in arg:
|
|
result[key] = deep_extend(result[key] if key in result else None, arg[key])
|
|
else:
|
|
result = arg
|
|
return result
|