def parse_time_variables(input_string, parse_time=None):
"""Parses an input string and uses the Tron-style dateparsing
to replace time variables. Currently supports only the date/time
variables listed in the tron documentation:
https://pythonhosted.org/tron/command_context.html#built-in-command-context-variables
:param input_string: input string to be parsed
:param parse_time: Reference Datetime object to parse the date and time strings, defaults to now.
:returns: A string with the date and time variables replaced
"""
if parse_time is None:
parse_time = datetime.datetime.now()
# We build up a tron context object that has the right
# methods to parse tron-style time syntax
job_context = tron_command_context.JobRunContext(tron_command_context.CommandContext())
# The tron context object needs the run_time attibute set so it knows
# how to interpret the date strings
job_context.job_run.run_time = parse_time
# The job_context object works like a normal dictionary for string replacement
return input_string % job_context
def parse_time_variables(command: str,
parse_time: datetime.datetime = None) -> str:
"""Parses an input string and uses the Tron-style dateparsing
to replace time variables. Currently supports only the date/time
variables listed in the tron documentation:
http://tron.readthedocs.io/en/latest/command_context.html#built-in-cc
:param input_string: input string to be parsed
:param parse_time: Reference Datetime object to parse the date and time strings, defaults to now.
:returns: A string with the date and time variables replaced
"""
if parse_time is None:
parse_time = datetime.datetime.now()
# We build up a tron context object that has the right
# methods to parse tron-style time syntax
job_context = tron_command_context.JobRunContext(
tron_command_context.CommandContext())
# The tron context object needs the run_time attribute set so it knows
# how to interpret the date strings
job_context.job_run.run_time = parse_time
return StringFormatter(job_context).format(command)
