init commit

pull/232/head
peng.xu 2019-09-17 12:46:29 +08:00
commit ce23e6c77c
8 changed files with 299 additions and 0 deletions

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.gitignore vendored Normal file
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.env
__pycache__/

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__init__.py Normal file
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import settings

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connections.py Normal file
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import logging
from milvus import Milvus
from functools import wraps
from contextlib import contextmanager
import exceptions
logger = logging.getLogger(__name__)
class Connection:
def __init__(self, name, uri, max_retry=1, error_handlers=None, **kwargs):
self.name = name
self.uri = uri
self.max_retry = max_retry
self.retried = 0
self.conn = Milvus()
self.error_handlers = [] if not error_handlers else error_handlers
self.on_retry_func = kwargs.get('on_retry_func', None)
def __str__(self):
return 'Connection:name=\"{}\";uri=\"{}\"'.format(self.name, self.uri)
def _connect(self):
try:
self.conn.connect(uri=self.uri)
except Exception as e:
if not self.error_handlers:
raise exceptions.ConnectionConnectError(message='')
for handler in self.error_handlers:
handler(e)
@property
def can_retry(self):
return self.retried <= self.max_retry
@property
def connected(self):
return self.conn.connected()
def on_retry(self):
if self.on_retry_func:
self.on_retry_func(self)
else:
logger.warn('{} is retrying {}'.format(self, self.retried))
def on_connect(self):
while not self.connected and self.can_retry:
self.retried += 1
self.on_retry()
self._connect()
if not self.can_retry and not self.connected:
raise exceptions.ConnectionConnectError(message='Max retry {} reached!'.format(self.max_retry))
self.retried = 0
def connect(self, func, exception_handler=None):
@wraps(func)
def inner(*args, **kwargs):
self.on_connect()
try:
return func(*args, **kwargs)
except Exception as e:
if exception_handler:
exception_handler(e)
else:
raise e
return inner
if __name__ == '__main__':
class Conn:
def __init__(self, state):
self.state = state
def connect(self, uri):
return self.state
def connected(self):
return self.state
fail_conn = Conn(False)
success_conn = Conn(True)
class Retry:
def __init__(self):
self.times = 0
def __call__(self, conn):
self.times += 1
print('Retrying {}'.format(self.times))
retry_obj = Retry()
c = Connection('client', uri='localhost', on_retry_func=retry_obj)
c.conn = fail_conn
def f():
print('ffffffff')
# m = c.connect(func=f)
# m()
c.conn = success_conn
m = c.connect(func=f)
m()

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exception_codes.py Normal file
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INVALID_CODE = -1
CONNECT_ERROR_CODE = 10001

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exceptions.py Normal file
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import exception_codes as codes
class BaseException(Exception):
code = codes.INVALID_CODE
message = 'BaseException'
def __init__(self, message='', code=None):
self.message = self.__class__.__name__ if not message else message
self.code = self.code if code is None else code
class ConnectionConnectError(BaseException):
code = codes.CONNECT_ERROR_CODE

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settings.py Normal file
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import sys
import os
from environs import Env
env = Env()
env.read_env()
DEBUG = env.bool('DEBUG', False)
TESTING = env.bool('TESTING', False)
METADATA_URI = env.str('METADATA_URI', '')
LOG_LEVEL = env.str('LOG_LEVEL', 'DEBUG' if DEBUG else 'INFO')
LOG_PATH = env.str('LOG_PATH', '/tmp/mishards')
LOG_NAME = env.str('LOG_NAME', 'logfile')
TIMEZONE = env.str('TIMEZONE', 'UTC')
from utils.logger_helper import config
config(LOG_LEVEL, LOG_PATH, LOG_NAME, TIMEZONE)
TIMEOUT = env.int('TIMEOUT', 60)
if __name__ == '__main__':
import logging
logger = logging.getLogger(__name__)
logger.debug('DEBUG')
logger.info('INFO')
logger.warn('WARN')
logger.error('ERROR')

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utils/__init__.py Normal file
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utils/logger_helper.py Normal file
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import os
import datetime
from pytz import timezone
from logging import Filter
import logging.config
class InfoFilter(logging.Filter):
def filter(self, rec):
return rec.levelno == logging.INFO
class DebugFilter(logging.Filter):
def filter(self, rec):
return rec.levelno == logging.DEBUG
class WarnFilter(logging.Filter):
def filter(self, rec):
return rec.levelno == logging.WARN
class ErrorFilter(logging.Filter):
def filter(self, rec):
return rec.levelno == logging.ERROR
class CriticalFilter(logging.Filter):
def filter(self, rec):
return rec.levelno == logging.CRITICAL
COLORS = {
'HEADER': '\033[95m',
'INFO': '\033[92m',
'DEBUG': '\033[94m',
'WARNING': '\033[93m',
'ERROR': '\033[95m',
'CRITICAL': '\033[91m',
'ENDC': '\033[0m',
}
class ColorFulFormatColMixin:
def format_col(self, message_str, level_name):
if level_name in COLORS.keys():
message_str = COLORS.get(level_name) + message_str + COLORS.get(
'ENDC')
return message_str
class ColorfulFormatter(logging.Formatter, ColorFulFormatColMixin):
def format(self, record):
message_str = super(ColorfulFormatter, self).format(record)
return self.format_col(message_str, level_name=record.levelname)
def config(log_level, log_path, name, tz='UTC'):
def build_log_file(level, log_path, name, tz):
utc_now = datetime.datetime.utcnow()
utc_tz = timezone('UTC')
local_tz = timezone(tz)
tznow = utc_now.replace(tzinfo=utc_tz).astimezone(local_tz)
return '{}-{}-{}.log'.format(os.path.join(log_path, name), tznow.strftime("%m-%d-%Y-%H:%M:%S"),
level)
if not os.path.exists(log_path):
os.makedirs(log_path)
LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'formatters': {
'default': {
'format': '[%(asctime)s-%(levelname)s-%(name)s]: %(message)s (%(filename)s:%(lineno)s)'
},
'colorful_console': {
'format': '[%(asctime)s-%(levelname)s-%(name)s]: %(message)s (%(filename)s:%(lineno)s)',
'()': ColorfulFormatter,
},
},
'filters': {
'InfoFilter': {
'()': InfoFilter,
},
'DebugFilter': {
'()': DebugFilter,
},
'WarnFilter': {
'()': WarnFilter,
},
'ErrorFilter': {
'()': ErrorFilter,
},
'CriticalFilter': {
'()': CriticalFilter,
},
},
'handlers': {
'milvus_celery_console': {
'class': 'logging.StreamHandler',
'formatter': 'colorful_console',
},
'milvus_debug_file': {
'level': 'DEBUG',
'filters': ['DebugFilter'],
'class': 'logging.handlers.RotatingFileHandler',
'formatter': 'default',
'filename': build_log_file('debug', log_path, name, tz)
},
'milvus_info_file': {
'level': 'INFO',
'filters': ['InfoFilter'],
'class': 'logging.handlers.RotatingFileHandler',
'formatter': 'default',
'filename': build_log_file('info', log_path, name, tz)
},
'milvus_warn_file': {
'level': 'WARN',
'filters': ['WarnFilter'],
'class': 'logging.handlers.RotatingFileHandler',
'formatter': 'default',
'filename': build_log_file('warn', log_path, name, tz)
},
'milvus_error_file': {
'level': 'ERROR',
'filters': ['ErrorFilter'],
'class': 'logging.handlers.RotatingFileHandler',
'formatter': 'default',
'filename': build_log_file('error', log_path, name, tz)
},
'milvus_critical_file': {
'level': 'CRITICAL',
'filters': ['CriticalFilter'],
'class': 'logging.handlers.RotatingFileHandler',
'formatter': 'default',
'filename': build_log_file('critical', log_path, name, tz)
},
},
'loggers': {
'': {
'handlers': ['milvus_celery_console', 'milvus_info_file', 'milvus_debug_file', 'milvus_warn_file', \
'milvus_error_file', 'milvus_critical_file'],
'level': log_level,
'propagate': False
},
},
'propagate': False,
}
logging.config.dictConfig(LOGGING)