f3fa438018
Conflicts: common/lib/xmodule/xmodule/tests/test_combined_open_ended.py common/lib/xmodule/xmodule/tests/test_self_assessment.py common/lib/xmodule/xmodule/timeparse.py
48 lines
1.2 KiB
Python
48 lines
1.2 KiB
Python
"""
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Helper functions for handling time in the format we like.
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"""
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import time
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import re
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from datetime import timedelta
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TIME_FORMAT = "%Y-%m-%dT%H:%M"
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TIMEDELTA_REGEX = re.compile(r'^((?P<days>\d+?) day(?:s?))?(\s)?((?P<hours>\d+?) hour(?:s?))?(\s)?((?P<minutes>\d+?) minute(?:s)?)?(\s)?((?P<seconds>\d+?) second(?:s)?)?$')
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def parse_time(time_str):
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"""
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Takes a time string in TIME_FORMAT
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Returns it as a time_struct.
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Raises ValueError if the string is not in the right format.
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"""
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return time.strptime(time_str, TIME_FORMAT)
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def stringify_time(time_struct):
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"""
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Convert a time struct to a string
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"""
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return time.strftime(TIME_FORMAT, time_struct)
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def parse_timedelta(time_str):
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"""
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time_str: A string with the following components:
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<D> day[s] (optional)
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<H> hour[s] (optional)
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<M> minute[s] (optional)
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<S> second[s] (optional)
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Returns a datetime.timedelta parsed from the string
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"""
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parts = TIMEDELTA_REGEX.match(time_str)
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if not parts:
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return
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parts = parts.groupdict()
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time_params = {}
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for (name, param) in parts.iteritems():
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if param:
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time_params[name] = int(param)
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return timedelta(**time_params)
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