File size: 5,078 Bytes
c5aa5a6 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 | import logging
import os
from typing import Optional
def is_float(value: str):
"""Check if the input value is float.
:param value: value
:return: True / False based on whether the value is float or not
"""
try:
float(value)
except (TypeError, ValueError):
return False
else:
return True
def is_int(value: str):
"""Check if the input value is int.
:param value: value
:return: True / False based on whether the value is int or not
"""
try:
float_value = float(value)
int_value = int(value)
except (TypeError, ValueError):
return False
else:
return float_value == int_value
def is_list(value: str):
"""Check if the input value is list.
Currently, we support list in the following format -
1. "a,b,c,d"
2. "1,2,3,4"
:param value: value
:return: True / False based on whether the value is list or not
"""
return "," in value
def is_boolean(value: str):
"""Check if the input value is boolean.
:param value: value
:return: True / False based on whether the value is boolean or not
"""
return value.lower() in ["true", "false"]
def parse_boolean(value: str):
"""Parse the boolean value.
:param value: value
:return: Parsed boolean values
"""
return True if value.lower() == "true" else False
def parse_list(value: str):
"""Parse the list value.
Currently, we support list in the following format -
1. "a,b,c,d"
2. "1,2,3,4"
:param value: value
:return: Parsed list
"""
values = value.split(",")
clean_values = [v.strip(" \"'") for v in values]
return [infer_type_and_cast_value(v) for v in clean_values]
def infer_type_and_cast_value(value: Optional[str]):
"""Infer the type of value and casts it accordingly.
:param value: value
:return: casted value
"""
if value is None:
return value
elif is_int(value):
return int(value)
elif is_float(value):
return float(value)
elif is_boolean(value):
return parse_boolean(value)
elif is_list(value):
return parse_list(value)
else:
return value
def __setup_fault_handler(file_path: str = None):
"""Set up fault handler.
:param file_path: path to the error file
:return:
"""
try:
import faulthandler
if not faulthandler.is_enabled():
if file_path is not None:
faulthandler.enable(os.open(file_path, os.O_APPEND), all_threads=True)
else:
faulthandler.enable()
except ImportError:
logging.warn("No faulthandler found")
def get_error_logger():
"""Return the logger from logging for id ERROR_LOGGER_ID ."""
return logging.getLogger("error")
def setup_trusted_log(error_volume: str, error_file_path: str):
"""Set up trusted logs for the script.
:param error_volume: volume where the errors should be written
:param error_file_path: path to the error_file
:return: trusted logger
"""
trusted_log_formatter = logging.Formatter(
"[%(asctime)s %(levelname)s %(thread)d %(filename)s:%(lineno)d] %(message)s",
datefmt="%m/%d/%Y %H:%M:%S",
)
os.makedirs(error_volume, exist_ok=True)
trusted_log_handler = logging.FileHandler(error_file_path)
__setup_fault_handler(file_path=error_file_path)
trusted_log_handler.setFormatter(trusted_log_formatter)
trusted_log_handler.setLevel(logging.INFO)
error_logger = get_error_logger()
error_logger.addHandler(trusted_log_handler)
error_logger.propagate = False
def write_trusted_log_info(private_info_message):
"""Write private info message to the trusted log channel.
:param private_info_message: private trusted log message
:return:
"""
trusted_logger = get_error_logger()
trusted_logger.info(private_info_message)
def write_failure_reason(failure_reason_text, file_path):
"""Write failure reason to failure file.
:param failure_reason_text: reason for failure
:param file_path: path to the failure file
:return:
"""
if not os.path.exists(os.path.dirname(file_path)):
os.makedirs(os.path.dirname(file_path))
with open(file_path, "w") as f:
f.write(failure_reason_text)
def write_trusted_log_exception(
error_message, caused_by, failure_file_path, failure_prefix="Algorithm Error"
):
"""Write private exception message to the trusted error channel.
:param error_message: error_message
:param caused_by: cause for the error
:param failure_file_path: failure file path. Usually /opt/ml/output/failure
:param failure_prefix: prefix to attach to the error message
:return:
"""
message = "{}: {}".format(failure_prefix, error_message)
error_detail = "Caused by: {}".format(caused_by)
message += "\n\n{}".format(error_detail)
err_logger = get_error_logger()
err_logger.exception(message)
write_failure_reason(message, failure_file_path)
return message
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