nrt-time-utils 1.0.1

Time utilities in Python

Time Utilities

Time utilities in Python.

TimeUtil class

Methods

Method	Description	Parameters	Returns
date_ms_to_date_str	Converts a date in milliseconds to a date string.	date_ms (int) The date in milliseconds to convert to a date string. format_str (str, Default: YMD_HMSF_DATE_FORMAT) The format string to convert the date to.	str The date string.
date_ms_to_date_time	Converts a date in milliseconds to a date time object.	date_ms (int) The date in milliseconds to convert to a date time object.	datetime The date time object.
date_str_to_date_time	Converts a date string to a date time object.	date_str (str) The date string to convert to a date time object. format_str (str, Default: YMD_HMSF_DATE_FORMAT) The format string to convert the date to.	datetime The date time object.
date_time_to_date_ms	Converts a date time object to a date in milliseconds.	dt (datetime) The date time object to convert to a date in milliseconds.	int The date in milliseconds.
get_current_date_ms	Returns the current date in milliseconds.		int The current date in milliseconds.
get_timezone_offset_hours	Returns the timezone offset in hours.	timezone_str (str) A string representing the timezone	int The timezone offset in hours.
is_leap_year	Checks if a year is a leap year.	year (int) The year to check if it is a leap year.	bool True if the year is a leap year, False otherwise.
is_timeout_ms	Checks if a timeout in milliseconds has passed.	start_time_ms (int) The start time in milliseconds. timeout_ms (int) The timeout in milliseconds.	bool True if the timeout has passed, False otherwise.
is_date_in_format	Checks if a date string is in a specific format.	date_str (str) The date string to check. format_str (str) The format string to check.	bool True if the date string is in the format, False otherwise.

Examples:

• TimeUtil.date_ms_to_date_str

  Code

  from time_utils import TimeUtil
  
  # Convert a date in milliseconds to a date string
  date_str = TimeUtil.date_ms_to_date_str(1617223200000)
  
  print(date_str)
  

  Output

  2021-03-31 00:00:00.000
  

• TimeUtil.date_ms_to_date_time

  Code

  from time_utils import TimeUtil
  
  # Convert a date in milliseconds to a date time object
  dt = TimeUtil.date_ms_to_date_time(1617223200000)
  
  print(dt)
  

  Output

  2021-03-31 00:00:00
  

• TimeUtil.date_str_to_date_time

  Code

  from time_utils import TimeUtil
  
  # Convert a date string to a date time object
  dt = TimeUtil.date_str_to_date_time('2021-03-31 00:00:00.000')
  
  print(dt)
  

  Output

  2021-03-31 00:00:00
  

• TimeUtil.date_time_to_date_ms

  Code

  from time_utils import TimeUtil
  from datetime import datetime
  
  # Convert a date time object to a date in milliseconds
  date_ms = TimeUtil.date_time_to_date_ms(datetime(2021, 3, 31, 0, 0, 0))
  
  print(date_ms)
  

  Output

  1617223200000
  

• TimeUtil.get_current_date_ms

  Code

  from time_utils import TimeUtil
  
  # Get the current date in milliseconds
  current_date_ms = TimeUtil.get_current_date_ms()
  
  print(current_date_ms)
  

  Output

  1617223200000
  

• TimeUtil.get_timezone_offset_hours

  Code

  from time_utils import TimeUtil
  
  # Get the timezone offset in hours
  timezone_offset = TimeUtil.get_timezone_offset_hours('PDT')
  
  print(timezone_offset)
  

  Output

  -7
  

• TimeUtil.is_leap_year

  Code

  from time_utils import TimeUtil
  
  # Check if a year is a leap year
  is_leap_year = TimeUtil.is_leap_year(2020)
  
  print(is_leap_year)
  

  Output

  True
  

• TimeUtil.is_timeout_ms

  Code

  from time_utils import TimeUtil
  from time import sleep
  
  current_date_ms = TimeUtil.get_current_date_ms()
  is_timeout = TimeUtil.is_timeout_ms(current_date_ms, 1000)
  print(is_timeout)
  sleep(2)
  is_timeout = TimeUtil.is_timeout_ms(current_date_ms, 1000)
  print(is_timeout)
  

  Output

  False
  True
  

• TimeUtil.is_date_in_format

  Code

  from time_utils import TimeUtil
  from time_utils import YMD_HMSF_DATE_FORMAT
  
  # Check if a date string is in a specific format
  is_date_in_format = \
      TimeUtil.is_date_in_format('2021-03-31 00:00:00.000', YMD_HMSF_DATE_FORMAT)
  
  print(is_date_in_format)
  

  Output

  True
  

Timer methods

Record the time it takes to execute a method or a block of code.

Methods

Method	Description	Parameters	Returns
method_timer	Measure method execution time.	function The method to measure it's time. *args The method's arguments. **kwargs The method's keyword arguments.	Timer Object that contains method execution time and results.
timer decorator	Timer decorator that measure the method execution time, and add the results to parameter, that can be accessed by the method get_timer_results()	is_enabled (bool, Default: True) If True, the timer is enabled, otherwise it is disabled.	any Method result.
get_timer_results	Returns the timer results.		dict[list[Timer]] The timer results. {'FILE_PATH:Class.Method: [Timer]}'.
reset_timer_results	Resets the timer results.
get_max_keys	Returns the maximum amount of allowed keys in the timer results.		int The maximum amount of allowed keys in the timer results.
set_max_keys	Sets the maximum amount of allowed keys in the timer results.	max_keys (int) The maximum amount of allowed keys in the timer results.
get_max_results_per_key	Returns the maximum amount of allowed results per key in the timer results.		int The maximum amount of allowed results per key in the timer results.
set_max_results_per_key	Sets the maximum amount of allowed results per key in the timer results.	max_results_per_key (int) The maximum amount of allowed results per key in the timer results.
with Timer() as t:	Context manager that times a block of code.		Timer Object that contains block execution time and results.

Timer class

Parameters	Description	Type	Default
start_date_ms	The start date in milliseconds.	int
end_date_ms	The end date in milliseconds.	int	None
execution_time_ms	The execution time in milliseconds.	int	None
result	The result of the method.	any	None
exception	The exception that occurred during the method execution.	Exception	None
stack_trace	The stack trace of the exception that occurred during the method execution.	str	None
__enter__ and __exit__	Context manager methods (with Timer() as t:).

Examples:

• method_timer

  Code

  from from nrt_time_utils.timer import method_timer
  
  def my_method(a, b):
      return a + b
  
  timer = method_timer(my_method, 1, 2)
  
  print(timer.execution_time_ms)
  

  Output

  1
  

• timer decorator

  Code

  from time import sleep  
  from from nrt_time_utils.timer import timer, get_timer_results
  
  @timer()
  def my_method(a, b):
      sleep(1)
      return a + b
  
  my_method(1, 2)
  
  timer_results = get_timer_results()
  
  for timer_result_list in timer_results.values():
      print(timer_result_list[0].execution_time_ms)
  

  Output

  1001
  

• with Timer() as t:

  Code

  from time import sleep
  from from nrt_time_utils.timer import Timer
  
  with Timer() as t:
      sleep(1)
  
  print(t.execution_time_ms)
  

  Output

  1000