stacktach/stacktach/utils.py

62 lines
1.9 KiB
Python

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
import datetime
import uuid
from stacktach import datetime_to_decimal as dt
def str_time_to_unix(when):
if 'Z' in when:
when = _try_parse(when, ["%Y-%m-%dT%H:%M:%SZ", "%Y-%m-%dT%H:%M:%S.%fZ"])
elif 'T' in when:
when = _try_parse(when, ["%Y-%m-%dT%H:%M:%S.%f", "%Y-%m-%dT%H:%M:%S"])
else:
when = _try_parse(when, ["%Y-%m-%d %H:%M:%S.%f", "%Y-%m-%d %H:%M:%S"])
return dt.dt_to_decimal(when)
def _try_parse(when, formats):
last_exception = None
for format in formats:
try:
when = datetime.datetime.strptime(when, format)
parsed = True
except Exception, e:
parsed = False
last_exception = e
if parsed:
return when
print "Bad DATE ", last_exception
def is_uuid_like(val):
try:
converted = str(uuid.UUID(val))
if '-' not in val:
converted = converted.replace('-', '')
return converted == val
except (TypeError, ValueError, AttributeError):
return False
def is_request_id_like(val):
if val[0:4] == 'req-':
val = val[4:]
return is_uuid_like(val)