def date_from_ISO8601(d_str):
"""Returns a date instance parsed from the ISO 8601 format
(the date part of the format).
@param d_str: A string representing a date.
@return A datetime.date instance
"""
return date(*time_strptime(d_str, DATE_ISO8601_FMT)[:3])
def date_from_str(d_str):
"Returns a datetime.date from filled formats in settings, or None."
for fmt in formats.get_format('DATE_INPUT_FORMATS'):
try:
return date(*time_strptime(d_str, fmt)[:3])
except ValueError:
continue
except TypeError:
break
def dt_from_str(dt_str):
"""Returns a datetime from filled formats in settings, or None.
Doesn't handle microseconds.
"""
dt = parse_datetime(dt_str)
if dt:
return make_aware_dt(dt) if is_naive(dt) else dt
for fmt in formats.get_format('DATETIME_INPUT_FORMATS'):
try:
return make_aware_dt(datetime(*time_strptime(dt_str, fmt)[:6]))
except ValueError:
continue
except TypeError:
break
def timeformat(source, format):
#
# Convert the function source input parameter into its relevant couterpart
excepted = "failed to convert specified source time into a time structure"
if isinstance(source, (int, float)):
try: object = time_localtime(source)
except Exception as reason: raise Exception(excepted) from reason
elif isinstance(source, str):
try: object = time_strptime(source, format)
except Exception as reason: raise Exception(excepted) from reason
#
# Determine the Unix epoch time and format the timestamp using time object
excepted = "failed to calculate base Unix epoch time using time structure"
try: epoch = round(time_mktime(object), 3)
except Exception as reason: raise Exception(excepted) from reason
excepted = "failed to construct the timestamp string using time structure"
try: timestamp = time_strftime(format, object)
except Exception as reason: raise Exception(excepted) from reason
#
# Returns Unix epoch and timestamp string for the provided input parameter
return (epoch, timestamp)
def strptime_time(value, format="%H:%M"):
return time(*time_strptime(value, format)[3:6])
def strptime(value, format):
return datetime(*time_strptime(value, format)[:6])
def strptime_time(value, format='%H:%M'):
return time(*time_strptime(value, format)[3:6])
def strptime(value, format):
return datetime(*time_strptime(value, format)[:6])
def strToDatetime(datestr):
try:
return dt.strptime(datestr, "%Y%m%d%H%M%S")
except TypeError:
return dt(*(time_strptime(datestr, "%Y%m%d%H%M%S")[0:6]))